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No files matched your search
@@ -1,34 +0,0 @@
|
||||
@echo off
|
||||
setlocal
|
||||
|
||||
:: Check for permissions
|
||||
>nul 2>&1 "%SYSTEMROOT%\system32\icacls.exe" "%SYSTEMROOT%\system32\config\system"
|
||||
|
||||
if %errorlevel% NEQ 0 goto NoAdmin
|
||||
goto gotAdmin
|
||||
|
||||
:NoAdmin
|
||||
echo You do not have administrator rights, please run this script as administrator.
|
||||
pause
|
||||
exit /B
|
||||
|
||||
:gotAdmin
|
||||
if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs"
|
||||
|
||||
set "script_dir=%~dp0"
|
||||
set "script_dir=%script_dir:~0,-1%"
|
||||
|
||||
bcdedit -debug on
|
||||
bcdedit /set testsigning on
|
||||
bcdedit /deletevalue {current} safeboot
|
||||
|
||||
powershell.exe -ExecutionPolicy Bypass -Command ^
|
||||
"$endDate = (Get-Date).AddYears(100); ^
|
||||
$cert = New-SelfSignedCertificate -DnsName PYAS -CertStoreLocation cert:\LocalMachine\My -Type CodeSigning -NotAfter $endDate; ^
|
||||
$pwd = ConvertTo-SecureString -String 'PYAS' -Force -AsPlainText; ^
|
||||
Export-PfxCertificate -Cert $cert -FilePath '%script_dir%\PYAS.pfx' -Password $pwd;"
|
||||
"%script_dir%\signtool.exe" sign /f "%script_dir%\PYAS.pfx" /p PYAS "%script_dir%\PYAS_Driver.sys"
|
||||
sc create PYAS_Driver type= kernel start= demand binPath= "%script_dir%\PYAS_Driver.sys"
|
||||
|
||||
shutdown -r -t 0
|
||||
endlocal
|
||||
Whitespace-only changes.
Binary file not shown.
@@ -1,25 +0,0 @@
|
||||
@echo off
|
||||
setlocal
|
||||
|
||||
:: Check for permissions
|
||||
>nul 2>&1 "%SYSTEMROOT%\system32\icacls.exe" "%SYSTEMROOT%\system32\config\system"
|
||||
|
||||
if %errorlevel% NEQ 0 goto NoAdmin
|
||||
goto gotAdmin
|
||||
|
||||
:NoAdmin
|
||||
echo You do not have administrator rights, please run this script as administrator.
|
||||
pause
|
||||
exit /B
|
||||
|
||||
:gotAdmin
|
||||
if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs"
|
||||
|
||||
sc stop PYAS_Driver
|
||||
sc delete PYAS_Driver
|
||||
|
||||
bcdedit /set testsigning off
|
||||
bcdedit -debug off
|
||||
|
||||
shutdown -r -t 0
|
||||
endlocal
|
||||
Binary file not shown.
@@ -0,0 +1,68 @@
|
||||
from PIL import Image
|
||||
import numpy, pefile, os
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def preprocess_image(file_data, size, channels=1):
|
||||
width, height = size
|
||||
wah = int(numpy.ceil(numpy.sqrt(len(file_data) / channels)))
|
||||
arr = numpy.frombuffer(file_data, dtype=numpy.uint8)
|
||||
img = numpy.zeros(wah*wah*channels, dtype=numpy.uint8)
|
||||
img[:len(file_data)] = arr
|
||||
image = Image.fromarray(img.reshape((wah, wah)), 'L')
|
||||
return image.resize((width, height), Image.Resampling.NEAREST)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def is_text_file(content, sample_size=1024):
|
||||
raw = content[:sample_size]
|
||||
if not raw:
|
||||
return False
|
||||
text_char = set(range(32, 127)) | {9, 10, 13}
|
||||
nontext = sum(b not in text_char for b in raw)
|
||||
return nontext / len(raw) < 0.15
|
||||
|
||||
def get_type(file_path):
|
||||
suffix = {".com", ".dll", ".drv", ".exe", ".ocx", ".scr", ".sys", ".mui", ".cpl"}
|
||||
|
||||
match_data = {}
|
||||
if not os.path.splitext(file_path)[-1].lower() in suffix:
|
||||
return match_data
|
||||
try:
|
||||
with pefile.PE(file_path, fast_load=True) as pe:
|
||||
for section in pe.sections:
|
||||
name = section.Name.rstrip(b'\x00').decode('latin1').lower()
|
||||
data = section.get_data()
|
||||
if data:
|
||||
match_data[name] = section.get_data()
|
||||
except pefile.PEFormatError:
|
||||
with open(file_path, 'rb') as f:
|
||||
file_content = f.read()
|
||||
if is_text_file(file_content):
|
||||
match_data[os.path.splitext(file_path)[-1].lower()] = file_content
|
||||
return match_data
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def file_to_images(input_dir, output_dir):
|
||||
for root, dirs, files in os.walk(input_dir):
|
||||
for file in files:
|
||||
try:
|
||||
file_path = os.path.join(root, file)
|
||||
for name, data in get_type(file_path).items():
|
||||
print(name, file_path)
|
||||
relative_path = os.path.relpath(root, input_dir)
|
||||
output_path_dir = os.path.join(output_dir, relative_path)
|
||||
if not os.path.exists(output_path_dir):
|
||||
os.makedirs(output_path_dir)
|
||||
image = preprocess_image(data, (224, 224))
|
||||
image.save(os.path.join(output_path_dir, f"{name}_{file}.png"))
|
||||
except Exception as e:
|
||||
print(e)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
input_directory = input('Enter the folder path: ')
|
||||
output_directory = "./Image_Output"
|
||||
file_to_images(input_directory, output_directory)
|
||||
input('Conversion Complete')
|
||||
@@ -0,0 +1,34 @@
|
||||
import os, hashlib
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def calc_sha256(path):
|
||||
with open(path, "rb") as f:
|
||||
return hashlib.sha256(f.read()).digest()
|
||||
|
||||
def dedup_realtime(root):
|
||||
seen = set()
|
||||
deleted = 0
|
||||
for dirpath, _, files in os.walk(root):
|
||||
for name in files:
|
||||
p = os.path.join(dirpath, name)
|
||||
try:
|
||||
h = calc_sha256(p)
|
||||
except Exception:
|
||||
continue
|
||||
if h in seen:
|
||||
try:
|
||||
os.remove(p)
|
||||
print(p)
|
||||
deleted += 1
|
||||
except Exception:
|
||||
pass
|
||||
else:
|
||||
seen.add(h)
|
||||
print(f"deleted {deleted}")
|
||||
|
||||
####################################################################################################
|
||||
|
||||
if __name__ == "__main__":
|
||||
dedup_realtime(input("Input file path: "))
|
||||
input('Deduplicate Complete')
|
||||
@@ -0,0 +1,163 @@
|
||||
import tensorflow as tf
|
||||
import os, tf2onnx, numpy, random
|
||||
from PIL import Image
|
||||
from tensorflow.keras import *
|
||||
from collections import Counter
|
||||
|
||||
####################################################################################################
|
||||
|
||||
Image.MAX_IMAGE_PIXELS = None
|
||||
tf.keras.mixed_precision.set_global_policy('mixed_float16')
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def load_dataset(data_dir, image_size=(224, 224), val_split=0.00001, batch_size=256, color_mode="grayscale"):
|
||||
channels = 1 if color_mode == "grayscale" else 3
|
||||
file_paths, labels, class_indices = get_file_list(data_dir)
|
||||
|
||||
combined = list(zip(file_paths, labels))
|
||||
random.shuffle(combined)
|
||||
file_paths[:], labels[:] = zip(*combined)
|
||||
|
||||
num_val = int(val_split * len(file_paths))
|
||||
train_files = file_paths[num_val:]
|
||||
train_labels = labels[num_val:]
|
||||
val_files = file_paths[:num_val]
|
||||
val_labels = labels[:num_val]
|
||||
num_classes = len(class_indices)
|
||||
|
||||
train_ds = tf.data.Dataset.from_tensor_slices((train_files, train_labels))
|
||||
train_ds = train_ds.map(lambda f, l: parse_fn(f, l, image_size, channels, num_classes), num_parallel_calls=tf.data.AUTOTUNE)
|
||||
train_ds = train_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
|
||||
|
||||
val_ds = tf.data.Dataset.from_tensor_slices((val_files, val_labels))
|
||||
val_ds = val_ds.map(lambda f, l: parse_fn(f, l, image_size, channels, num_classes), num_parallel_calls=tf.data.AUTOTUNE)
|
||||
val_ds = val_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
|
||||
|
||||
train_ds.class_indices = class_indices
|
||||
return train_ds, val_ds
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def parse_fn(filename, label, image_size, channels, num_classes):
|
||||
img = tf.io.read_file(filename)
|
||||
img = tf.image.decode_image(img, channels=channels, expand_animations=False)
|
||||
img = tf.cond(tf.reduce_all(tf.equal(tf.shape(img)[:2], image_size)), lambda: tf.cast(img, tf.float32), lambda: tf.image.resize(img, image_size))
|
||||
img = tf.cast(img, tf.float32) / 255.0
|
||||
label = tf.one_hot(label, depth=num_classes)
|
||||
return img, label
|
||||
|
||||
def get_file_list(directory):
|
||||
file_paths, labels, class_indices = [], [], {}
|
||||
for i, cls in enumerate(sorted([d for d in os.listdir(directory) if os.path.isdir(os.path.join(directory, d))])):
|
||||
class_indices[cls] = i
|
||||
cls_dir = os.path.join(directory, cls)
|
||||
|
||||
for root, _, files in os.walk(cls_dir):
|
||||
for file in files:
|
||||
if file.lower().endswith(('.jpg', '.jpeg', '.png', '.bmp', '.gif')):
|
||||
file_paths.append(os.path.join(root, file))
|
||||
labels.append(i)
|
||||
return file_paths, labels, class_indices
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def multi_conv(x, strides):
|
||||
convs = []
|
||||
for k in [(1, 7), (1, 1), (3, 3), (5, 5)]:
|
||||
c = layers.DepthwiseConv2D(kernel_size=k, strides=strides, padding='same', activation='gelu')(x)
|
||||
convs.append(c)
|
||||
|
||||
x = layers.Concatenate()(convs)
|
||||
x = layers.BatchNormalization()(x)
|
||||
return layers.Activation('gelu')(x)
|
||||
|
||||
def gated_conv(x, strides):
|
||||
c = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='gelu')(x)
|
||||
g = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='sigmoid')(x)
|
||||
return layers.Multiply()([c, g])
|
||||
|
||||
def coordinate_attention(x, reduction):
|
||||
input_shape = tf.shape(x)
|
||||
h, w = input_shape[1], input_shape[2]
|
||||
filters = x.shape[-1]
|
||||
mip = max(8, filters // reduction)
|
||||
|
||||
x_h = layers.Lambda(lambda t: tf.reduce_mean(t, axis=2, keepdims=True))(x)
|
||||
x_w = layers.Lambda(lambda t: tf.reduce_mean(t, axis=1, keepdims=True))(x)
|
||||
x_w_t = layers.Permute((2, 1, 3))(x_w)
|
||||
|
||||
x_cat = layers.Concatenate(axis=1)([x_h, x_w_t])
|
||||
x_cat = layers.Conv2D(mip, 1, padding='valid', use_bias=False)(x_cat)
|
||||
x_cat = layers.BatchNormalization()(x_cat)
|
||||
x_cat = layers.Activation('gelu')(x_cat)
|
||||
|
||||
x_cat_h, x_cat_w = layers.Lambda(lambda t: tf.split(t[0], [t[1], t[2]], axis=1))([x_cat, h, w])
|
||||
x_h_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_h)
|
||||
x_cat_w = layers.Permute((2, 1, 3))(x_cat_w)
|
||||
x_w_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_w)
|
||||
|
||||
return layers.Multiply()([x, x_h_sigmoid, x_w_sigmoid])
|
||||
|
||||
def build_model(input_shape, num_classes):
|
||||
i = layers.Input(shape=input_shape)
|
||||
x = multi_conv(i, strides=1)
|
||||
x = gated_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
x = multi_conv(x, strides=2)
|
||||
|
||||
x = coordinate_attention(x, reduction=4)
|
||||
x = layers.GlobalMaxPooling2D()(x)
|
||||
|
||||
x = layers.Dense(x.shape[-1] // 2, activation='gelu', dtype='float32')(x)
|
||||
o = layers.Dense(num_classes, activation='softmax', dtype='float32')(x)
|
||||
return models.Model(i, o)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def calculate_lr_cosine_sq(epoch, total_epochs=25, lr_start=5e-4, lr_end=1e-6):
|
||||
cos_val = 0.5 * (1 + numpy.cos(epoch / total_epochs * numpy.pi))
|
||||
return lr_end + (lr_start - lr_end) * (cos_val ** 2)
|
||||
|
||||
def lr_scheduler(epoch):
|
||||
return calculate_lr_cosine_sq(epoch)
|
||||
|
||||
def categorical_focal_loss(gamma=2.0, alpha=0.25):
|
||||
def focal_loss(y_true, y_pred):
|
||||
y_pred = tf.clip_by_value(y_pred, tf.keras.backend.epsilon(), 1.0 - tf.keras.backend.epsilon())
|
||||
cross_entropy = -y_true * tf.math.log(y_pred)
|
||||
loss = alpha * tf.math.pow(1.0 - y_pred, gamma) * cross_entropy
|
||||
return tf.reduce_sum(loss, axis=-1)
|
||||
return focal_loss
|
||||
|
||||
class CustomModelCheckpoint(callbacks.Callback):
|
||||
def on_epoch_end(self, epoch, logs=False):
|
||||
models.save_model(self.model, f"PYAS_Model_Epoch_{epoch + 1}.h5")
|
||||
spec = (tf.TensorSpec((None,) + train_ds.image_shape, tf.float32),)
|
||||
model_proto, _ = tf2onnx.convert.from_keras(self.model, input_signature=spec, opset=17)
|
||||
with open(f"PYAS_Model_Epoch_{epoch + 1}.onnx", "wb") as f:
|
||||
f.write(model_proto.SerializeToString())
|
||||
|
||||
####################################################################################################
|
||||
|
||||
train_ds, val_ds = load_dataset(r'.\Image_File_Pefile')
|
||||
for imgs, _ in train_ds.take(1):
|
||||
train_ds.image_shape = imgs.shape[1:]
|
||||
break
|
||||
|
||||
try:
|
||||
model = models.load_model('PYAS_Model_Epoch_0.h5')
|
||||
print("Load model from disk")
|
||||
except:
|
||||
print("Creating a new model")
|
||||
model = build_model(train_ds.image_shape, len(train_ds.class_indices))
|
||||
|
||||
print(f"Total parameters: {model.count_params()}")
|
||||
model.compile(optimizer='adam', loss=categorical_focal_loss(gamma=2.0, alpha=0.25),
|
||||
metrics=['accuracy', metrics.Precision(name='precision'), metrics.Recall(name='recall'),
|
||||
metrics.FalsePositives(name='fp'), metrics.TrueNegatives(name='tn')])
|
||||
|
||||
model.fit(train_ds, epochs=25, callbacks=[CustomModelCheckpoint(), callbacks.LearningRateScheduler(lr_scheduler)], validation_data=val_ds)
|
||||
input('Training Complete')
|
||||
@@ -1,8 +1,8 @@
|
||||
import "pe"
|
||||
|
||||
rule PYAS_Rules_A_1 {
|
||||
rule General_1 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_1"
|
||||
description = "1"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -57,9 +57,9 @@ rule PYAS_Rules_A_1 {
|
||||
1 of ($x*) and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_2 {
|
||||
rule General_2 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_2"
|
||||
description = "2"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -82,9 +82,9 @@ rule PYAS_Rules_A_2 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_3 {
|
||||
rule General_3 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_3"
|
||||
description = "3"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -106,7 +106,7 @@ rule PYAS_Rules_A_3 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_4 {
|
||||
rule General_4 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A4"
|
||||
author = "PYAS Security"
|
||||
@@ -124,9 +124,9 @@ rule PYAS_Rules_A_4 {
|
||||
($x1 and $x2) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_5 {
|
||||
rule General_5 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_5"
|
||||
description = "5"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -147,9 +147,9 @@ rule PYAS_Rules_A_5 {
|
||||
$x1 and 3 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_6 {
|
||||
rule General_6 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_6"
|
||||
description = "6"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -214,9 +214,9 @@ rule PYAS_Rules_A_6 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_7 {
|
||||
rule General_7 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_462"
|
||||
description = "7"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -247,9 +247,9 @@ rule PYAS_Rules_A_7 {
|
||||
10 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_8 {
|
||||
rule General_8 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_8"
|
||||
description = "8"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -278,9 +278,9 @@ rule PYAS_Rules_A_8 {
|
||||
2 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_9 {
|
||||
rule General_9 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_9"
|
||||
description = "9"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -303,9 +303,9 @@ rule PYAS_Rules_A_9 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_10 {
|
||||
rule General_10 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_10"
|
||||
description = "10"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -329,9 +329,9 @@ rule PYAS_Rules_A_10 {
|
||||
($x1 and $x2) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_11 {
|
||||
rule General_11 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_11"
|
||||
description = "11"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -349,9 +349,9 @@ rule PYAS_Rules_A_11 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_12 {
|
||||
rule General_12 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_12"
|
||||
description = "12"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -376,9 +376,9 @@ rule PYAS_Rules_A_12 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_13 {
|
||||
rule General_13 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_13"
|
||||
description = "13"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -404,9 +404,9 @@ rule PYAS_Rules_A_13 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_14 {
|
||||
rule General_14 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_14"
|
||||
description = "14"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -430,9 +430,9 @@ rule PYAS_Rules_A_14 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_15 {
|
||||
rule General_15 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_15"
|
||||
description = "15"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -459,9 +459,9 @@ rule PYAS_Rules_A_15 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_16 {
|
||||
rule General_16 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_16"
|
||||
description = "16"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -485,9 +485,9 @@ rule PYAS_Rules_A_16 {
|
||||
($x1 and $x2) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_17 {
|
||||
rule General_17 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_17"
|
||||
description = "17"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -508,9 +508,9 @@ rule PYAS_Rules_A_17 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_18 {
|
||||
rule General_18 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_18"
|
||||
description = "18"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -531,9 +531,9 @@ rule PYAS_Rules_A_18 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_19 {
|
||||
rule General_19 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_19"
|
||||
description = "19"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -560,9 +560,9 @@ rule PYAS_Rules_A_19 {
|
||||
($x1 and $x2) and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_20 {
|
||||
rule General_20 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_20"
|
||||
description = "20"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -589,9 +589,9 @@ rule PYAS_Rules_A_20 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_21 {
|
||||
rule General_21 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_21"
|
||||
description = "21"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -616,9 +616,9 @@ rule PYAS_Rules_A_21 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_22 {
|
||||
rule General_22 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_22"
|
||||
description = "22"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -635,10 +635,9 @@ rule PYAS_Rules_A_22 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
import "pe"
|
||||
rule PYAS_Rules_A_23 {
|
||||
rule General_23 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_23"
|
||||
description = "23"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -658,10 +657,9 @@ rule PYAS_Rules_A_23 {
|
||||
7 of them
|
||||
}
|
||||
|
||||
import "pe"
|
||||
rule PYAS_Rules_A_24 {
|
||||
rule General_24 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_24"
|
||||
description = "24"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -688,9 +686,9 @@ rule PYAS_Rules_A_24 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_25 {
|
||||
rule General_25 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_25"
|
||||
description = "25"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -716,9 +714,9 @@ rule PYAS_Rules_A_25 {
|
||||
$x1 and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_26 {
|
||||
rule General_26 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_26"
|
||||
description = "26"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -742,9 +740,9 @@ rule PYAS_Rules_A_26 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_27 {
|
||||
rule General_27 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_27"
|
||||
description = "27"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -768,42 +766,37 @@ rule PYAS_Rules_A_27 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_28 {
|
||||
rule General_28 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_28"
|
||||
description = "28"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
$s1 = "GNU C11 6.3.0" ascii
|
||||
$s2 = "GCC: (MinGW.org GCC-6.3.0-1) 6.3.0" fullword ascii
|
||||
$s3 = "___mingw_readdir" fullword ascii
|
||||
$s4 = "___mingw_closedir" fullword ascii
|
||||
$s5 = "___mingw_seekdir" fullword ascii
|
||||
$s6 = "%d is not a prime number." fullword ascii
|
||||
$s7 = "___mingw_rewinddir" fullword ascii
|
||||
$s8 = "__mingw32_init_mainargs" fullword ascii
|
||||
$s9 = "___mingw_telldir" fullword ascii
|
||||
$s10 = "Enter an integer: " fullword ascii
|
||||
$s11 = "___mingw_opendir" fullword ascii
|
||||
$s12 = "/home/keith/" ascii
|
||||
$s13 = "../../../src/gcc-6.3.0/libgcc" ascii
|
||||
$s14 = "___mingw_dirname" fullword ascii
|
||||
$s15 = "_isPrime`" fullword ascii
|
||||
$s16 = "%d is a prime number." fullword ascii
|
||||
$s17 = ".weak.__Jv_RegisterClasses.___EH_FRAME_BEGIN__" fullword ascii
|
||||
$s18 = "-mtune=generic" ascii
|
||||
$s19 = "-march=i586" ascii
|
||||
$s20 = "-g -g -g -O2 -O2 -O2" ascii
|
||||
$s21 = "-fbuilding-libgcc" ascii
|
||||
$s22 = "-fno-stack-protector" ascii
|
||||
$x1 = "schemas.microsoft.com" wide
|
||||
$x2 = "Client Worker Thread" ascii
|
||||
$s1 = "A6BFEA43-501F-456F-A845-983D3AD7B8F0" wide
|
||||
$s2 = "upgrader" wide
|
||||
$s3 = "rtvscan.exe" wide
|
||||
$s4 = "Enable-WindowsOptionalFeature -FeatureName" wide
|
||||
$s5 = "remupd.exe" fullword wide
|
||||
$s6 = "Mcshield.exe" fullword wide
|
||||
$s7 = "mssecess.exe" fullword wide
|
||||
$s8 = "RavMonD.exe" fullword wide
|
||||
$s9 = "KvMonXP.exe" fullword wide
|
||||
$s10 = "baiduSafeTray.exe" fullword wide
|
||||
$s11 = "Qavanijeb.exe" fullword wide
|
||||
$s12 = "%s --> Error: %d, EC: %d" fullword ascii
|
||||
$s13 = "wscript.exe //E:vbscript" wide
|
||||
$s14 = "upgrader_64" wide
|
||||
$s15 = "Process Data Error" fullword wide
|
||||
condition:
|
||||
uint16(0) == 0x5a4d and filesize < 500KB and
|
||||
8 of them
|
||||
uint16(0) == 0x5a4d and filesize < 1000KB and
|
||||
1 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_29 {
|
||||
rule General_29 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_29"
|
||||
description = "29"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -837,9 +830,9 @@ rule PYAS_Rules_A_29 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_30 {
|
||||
rule General_30 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_30"
|
||||
description = "30"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -858,9 +851,9 @@ rule PYAS_Rules_A_30 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_31 {
|
||||
rule General_31 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_31"
|
||||
description = "31"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -878,9 +871,9 @@ rule PYAS_Rules_A_31 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_32 {
|
||||
rule General_32 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_32"
|
||||
description = "32"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -909,9 +902,9 @@ rule PYAS_Rules_A_32 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_33 {
|
||||
rule General_33 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_33"
|
||||
description = "33"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -937,9 +930,9 @@ rule PYAS_Rules_A_33 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_34 {
|
||||
rule General_34 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_30"
|
||||
description = "34"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -965,9 +958,9 @@ rule PYAS_Rules_A_34 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_35 {
|
||||
rule General_35 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_35"
|
||||
description = "35"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -996,9 +989,9 @@ rule PYAS_Rules_A_35 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_36 {
|
||||
rule General_36 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_36"
|
||||
description = "36"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1023,9 +1016,9 @@ rule PYAS_Rules_A_36 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_37 {
|
||||
rule General_37 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_37"
|
||||
description = "37"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1053,9 +1046,9 @@ rule PYAS_Rules_A_37 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_38 {
|
||||
rule General_38 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_38"
|
||||
description = "38"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1083,9 +1076,9 @@ rule PYAS_Rules_A_38 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_39 {
|
||||
rule General_39 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_39"
|
||||
description = "39"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1104,9 +1097,9 @@ rule PYAS_Rules_A_39 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_40 {
|
||||
rule General_40 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_40"
|
||||
description = "40"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1136,9 +1129,9 @@ rule PYAS_Rules_A_40 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_41 {
|
||||
rule General_41 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_41"
|
||||
description = "41"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1160,9 +1153,9 @@ rule PYAS_Rules_A_41 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_42 {
|
||||
rule General_42 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_42"
|
||||
description = "42"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1182,9 +1175,9 @@ rule PYAS_Rules_A_42 {
|
||||
6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_43 {
|
||||
rule General_43 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_43"
|
||||
description = "43"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1209,9 +1202,9 @@ rule PYAS_Rules_A_43 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_44 {
|
||||
rule General_44 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_44"
|
||||
description = "44"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1239,9 +1232,9 @@ rule PYAS_Rules_A_44 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_45 {
|
||||
rule General_45 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_45"
|
||||
description = "45"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1268,9 +1261,9 @@ rule PYAS_Rules_A_45 {
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_46 {
|
||||
rule General_46 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_46"
|
||||
description = "46"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1298,9 +1291,9 @@ rule PYAS_Rules_A_46 {
|
||||
$x1 and 8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_47 {
|
||||
rule General_47 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_47"
|
||||
description = "47"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1329,9 +1322,9 @@ rule PYAS_Rules_A_47 {
|
||||
1 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_48 {
|
||||
rule General_48 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_48"
|
||||
description = "48"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1350,9 +1343,9 @@ rule PYAS_Rules_A_48 {
|
||||
2 of ($x*) and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_49 {
|
||||
rule General_49 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_49"
|
||||
description = "49"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1378,9 +1371,9 @@ rule PYAS_Rules_A_49 {
|
||||
3 of ($x*) and 5 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_50 {
|
||||
rule General_50 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_50"
|
||||
description = "50"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1400,9 +1393,9 @@ rule PYAS_Rules_A_50 {
|
||||
$x1 and 6 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_51 {
|
||||
rule General_51 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_51"
|
||||
description = "51"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
@@ -1420,9 +1413,9 @@ rule PYAS_Rules_A_51 {
|
||||
1 of ($x*) and 4 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_52 {
|
||||
rule General_52 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_52"
|
||||
description = "52"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-13"
|
||||
strings:
|
||||
@@ -1444,31 +1437,3 @@ rule PYAS_Rules_A_52 {
|
||||
uint16(0) == 0x5a4d and filesize < 2000KB and
|
||||
8 of them
|
||||
}
|
||||
|
||||
rule PYAS_Rules_A_53 {
|
||||
meta:
|
||||
description = "PYAS_Rules_A_53"
|
||||
author = "PYAS Security"
|
||||
date = "2024-06-12"
|
||||
strings:
|
||||
$x1 = "schemas.microsoft.com" wide
|
||||
$x2 = "Client Worker Thread" ascii
|
||||
$s1 = "A6BFEA43-501F-456F-A845-983D3AD7B8F0" wide
|
||||
$s2 = "upgrader" wide
|
||||
$s3 = "rtvscan.exe" wide
|
||||
$s4 = "Enable-WindowsOptionalFeature -FeatureName" wide
|
||||
$s5 = "remupd.exe" fullword wide
|
||||
$s6 = "Mcshield.exe" fullword wide
|
||||
$s7 = "mssecess.exe" fullword wide
|
||||
$s8 = "RavMonD.exe" fullword wide
|
||||
$s9 = "KvMonXP.exe" fullword wide
|
||||
$s10 = "baiduSafeTray.exe" fullword wide
|
||||
$s11 = "Qavanijeb.exe" fullword wide
|
||||
$s12 = "%s --> Error: %d, EC: %d" fullword ascii
|
||||
$s13 = "wscript.exe //E:vbscript" wide
|
||||
$s14 = "upgrader_64" wide
|
||||
$s15 = "Process Data Error" fullword wide
|
||||
condition:
|
||||
uint16(0) == 0x5a4d and filesize < 1000KB and
|
||||
1 of ($x*) and 6 of them
|
||||
}
|
||||
File diff suppressed because it is too large.
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@@ -1,15 +0,0 @@
|
||||
ExcludeXMD =
|
||||
Extensions = exe;com;dll;ocx;scr;bin;dat;386;vxd;sys;wdm;cla;class;ovl;ole;hlp;doc;dot;xls;ppt;wbk;wiz;pot;ppa;xla;xlt;vbs;vbe;mdb;rtf;htm;hta;html;xml;xtp;php;asp;js;shs;chm;lnk;pif;prc;url;smm;pfd;msi;ini;csc;cmd;bas;nws;
|
||||
ExcludeExtensions =
|
||||
ConfigFile = bdc.ini
|
||||
HttpProxy =
|
||||
InfectedFolder = Infected
|
||||
SuspectedFolder = Suspected
|
||||
LogMaxSize = 1024
|
||||
RenameExtension = vir
|
||||
PluginsPaths = Plugins
|
||||
LogName = bdc.log
|
||||
UpdateHttpLocation = http://upgrade.bitdefender.com/av32bit-eps
|
||||
XMD = *
|
||||
LastUpdate = Wed Feb 18 16:39:59 2009
|
||||
ProductID = {AAD1516D-28AB-4EB5-B7C8-DF54FE4442E9}
|
||||
Binary file not shown.
@@ -1,14 +0,0 @@
|
||||
<p>AVCORE v2.2 Windows/i386 11.0.1.21 (August 15, 2021)</p>
|
||||
<p>disp.xmd - Dispatcher (0.00) 0x1[997] (r)</p>
|
||||
<p>pyinstaller.xmd - PYInstaller unpacker (1.0) 0x8[12] (r)</p>
|
||||
<p>rar.xmd - RAR5 unpacker (0.5) 0xA[12] (r)</p>
|
||||
<p>thebat.xmd - TheBat Engine (0.03a) 0x4010[12] (r) +</p>
|
||||
<p>html.xmd - HTML Parser (1.0) 0x4008[11] (r) +</p>
|
||||
<p>mdx.xmd - Macro Defense Expert (3.57b) 0x1[11] 1[0] (r)</p>
|
||||
<p>cevakrnl.xmd - CEVA (0.03a) 0x1[10] (r)</p>
|
||||
<p>pdf.xmd - PDF Engine (2.0) 0x4009[10] (r) +</p>
|
||||
<p>imp.xmd - IMP (1.4.2) 0x2[9] (r)</p>
|
||||
<p>sfx.xmd - Sfx Engine (1.8.6) 0xA[9] (r)</p>
|
||||
<p>sdx.xmd - SDX () 0x1[5] 191729[0] (r)</p>
|
||||
<p>jpeg.xmd - JPEG Engine (0.05) 0x1[1] 14[1] (r)</p>
|
||||
<p>rtf.xmd - RTF (1.0) 0x4008[0] (r) +</p>
|
||||
Binary file not shown.
-21
@@ -1,21 +0,0 @@
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020-2024 87owo (PYAS Security)
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
+31
@@ -0,0 +1,31 @@
|
||||
87owo Publicly Available Source Code License Agreement
|
||||
Last updated: 2025-12-19
|
||||
|
||||
1. License and Ownership
|
||||
- This software and its source code are source available for public view.
|
||||
- Access or execution of certain features may require an activation key.
|
||||
- 87owo reserves all legal rights, no intellectual property is transferred.
|
||||
- All project archives, source code, and binaries remain fully proprietary.
|
||||
|
||||
2. Use and Prohibitions
|
||||
- You may view, download, and modify the code for local and personal use.
|
||||
- Redistribution of any original or modified code requires prior consent.
|
||||
- Commercial hosting or SaaS deployment is prohibited without permission.
|
||||
- Reverse engineering, license removal, or illegal use is strictly barred.
|
||||
|
||||
3. Data and Privacy
|
||||
- This project may collect operational data for optimization and analysis.
|
||||
- All collected data is strictly anonymized to ensure the user's privacy.
|
||||
- Transmission of information is encrypted to prevent unauthorized access.
|
||||
|
||||
4. Updates and Terms
|
||||
- New releases may include critical patches, enhancements, or UI changes.
|
||||
- Continued use of these services constitutes acceptance of updated terms.
|
||||
- The author reserves the right to modify these license terms at any time.
|
||||
|
||||
5. Warranty and Liability
|
||||
- All services and assets are provided "as is" without any form of warranty.
|
||||
- 87owo is not liable for any direct or indirect damages from software use.
|
||||
- Users assume all risks regarding performance, data, and system integrity.
|
||||
|
||||
© 2020-2026 87owo (PYAS Security). All rights reserved.
|
||||
@@ -1 +0,0 @@
|
||||
{"Unknown": [38413146381396798812836662586219087594480760119241756145287379993031670453973, 96759775057307603829199050115151442660431386536877578909394799687553144825391], "White": [92860071170291586757870565976957954052649178883790647665503983139114277816413, 50625869624179221836524636484722091669820057030729734765256925026245308185143, 79303266820014134748061006437377483029320717142203104125806969476209010566146, 50391760446499089493384482654016917630509060287507523223191455177998253781572, 34733894651460458125941968926483828168477919119649839915356573816494375383659, 16447578251589668808184123721615810667991570306415913809506896532563163557975, 18668853151306203943053249777678854424409647574074706653144503993068509738028, 16447129799599854768187525514242197965987640167415805965954293039200573272151, 42965648781535883376480003940402366467478625051031283341289116138472520399484, 45637511530246203537935382208327538642024163565740899790237852717178844340385, 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85036278951571446667616241901438186945472743486751871120301019617002115253240, 14623491695050192413097067629676318500123044497134202517578785087180871258165, 2022308710750553104057453378681448926020203033444470910346149752954363011822, 16435447118324352510213480738895714506136417806014749563314727656196027207884, 20110908101408861236178371339075650317185505287106087252378028881915405550816, 97262306467112548995108413358594977802790545321935863056096364390382492643957, 96614497885586867524036482497010189662872359368622249290846422070379022959337, 1895288773648887609359329471072769468085207279473521707976899919066265183340, 2651591106060448314208209841614702280337184080195391257416359882876000875095, 114619913163036058498985801603082782363327281628924544162718017899237779173997, 2481883953883130814217575190747389944608730963897863224598923997640828351014, 45000300637061336566799421885334051647634671537987073940268834014403441552901, 79047998258892679051555952202178856054614923426747250310189496005785954516966, 92887093185298651693450115442544102614083847612212241647641096093293220418098, 7140769773119319253009453104401896171570019200295580355390762162793695491644, 17012496707Line truncated
|
||||
+130
@@ -0,0 +1,130 @@
|
||||
translate_dict = {
|
||||
"traditional_switch": {"开启":"開啟","关闭":"關閉","On":"開啟","Off":"關閉"},
|
||||
|
||||
"simplified_switch": {"開啟":"开启","關閉":"关闭","On":"开启","Off":"关闭",
|
||||
"錯誤":"错误","發現":"发现","關閉":"关闭","裝置":"设备","記憶體":"内存",
|
||||
"軟體":"软件","檔案":"文件","確定":"确认","設定":"设置","關於":"关于",
|
||||
"總數":"总数","註冊":"注册","圖標":"图标","路徑":"路径","網路":"网络",
|
||||
"位元":"字节","靈敏":"敏感","複製":"复制","開啟":"开启","靜態":"静态",
|
||||
"訊":"讯","項":"项","掃":"扫","試":"试","黃":"黄","嗎":"吗","防":"保",
|
||||
"鑰":"钥","當":"当","後":"后","護":"护","導":"导","區":"区","復":"复",
|
||||
"攔":"拦","請":"请","統":"统","刪":"删","進":"进","個":"个","選":"选",
|
||||
"啟":"启","監":"监","並":"并","徑":"径","盤":"盘","隱":"隐","動":"动",
|
||||
"狀":"状","誌":"志","這":"这","會":"会","題":"题","擇":"择","語":"语",
|
||||
"無":"无","顯":"显","變":"变","戶":"户","碼":"码","雲":"云","介":"界",
|
||||
"稱":"称","類":"类","輸":"输","執":"执","數":"数","尋":"寻","網":"网",
|
||||
"詢":"询","製":"制","員":"员","許":"许","條":"条","藍":"蓝","紅":"红",
|
||||
"綠":"绿","態":"态","務":"务","連":"连","檢":"检","測":"测","關":"关",
|
||||
"強":"强","驅":"驱","為":"为","腳":"脚","單":"单","開":"开","擴":"扩",
|
||||
"惡":"恶","據":"据","庫":"库","經":"经","敗":"败","謝":"谢","別":"别",
|
||||
"載":"载","誤":"误","報":"报","鏈":"链","竄":"窜","蹤":"踪","與":"与",
|
||||
"異":"异","實":"实","時":"时","彈":"弹","窗":"窗","暫":"暂","訂":"订",
|
||||
"資":"资","產":"产","金":"密","離":"离","規":"规","則":"则","來":"来",
|
||||
"殼":"壳","碼":"码","線":"线","餘":"余",},
|
||||
|
||||
"english_switch": {"開啟":"On","關閉":"Off","开启":"On","关闭":"Off",",":", ",
|
||||
"立即刪除":"Delete Now","安全模式":"Safe Mode","官方網站":"Official Website ",
|
||||
"腳本":"Script ","鏈式":"Chain ","記憶體":"Memory ","加載":"Load ",
|
||||
"行為":"Behavior ","可疑":"Suspicious ","勒索":"Ransom ","主要":"Main ",
|
||||
"許可條款":"License Terms ","惡意":"Malicious", "開發":"Developers ",
|
||||
"啟用":"Enable ","禁用":"Disable ","正在初始化中":"Initializing ",
|
||||
"正在掃描":"Scanning ","正在刪除":"Deleting ","正在追蹤":"Tracking ",
|
||||
"最小化到":"Minimize To ","靈敏度":"Sensitivity ","正在檢查":"Checking ",
|
||||
"確定要":"Sure Want To ","引擎靈敏度":"Sensitivity ","更新":"Update ",
|
||||
"白色主題":"White","黃色主題":"Yellow","紅色主題":"Red","語言":"Language ",
|
||||
"藍色主題":"Blue","綠色主題":"Green","自訂主題":"Custom","黑色主題":"Black",
|
||||
"特別感謝":"Contributors ","版本資訊":"Information","通訊":"Connect ",
|
||||
"註冊":"Registry ","退出":"Quit ","檔案":"File ","當前":"Currently ",
|
||||
"狀態":"State ","掃描":"Scan ","工具":"Tools ","防護":"Protect ",
|
||||
"失敗":"Failed ","請":"Please ","路徑":"Path ","方式":"Method ",
|
||||
"需要":"Need ","病毒":"Virus ","選擇":"Select ","返回":"Back",
|
||||
"受到":"Been ","錯誤":"Error","完成":"Complete ","引擎":"Engine ",
|
||||
"托盤":"Tray ","圖標":"Icon ","不安全":"Unsafe","增強":"Enhance ",
|
||||
"系統":"System ","雲端":"Cloud ","重啟":"Reboot ","修復":"Repair ",
|
||||
"裝置":"Device ","發現":"Found ","成功":"Success ","清理":"Cleanup ",
|
||||
"確定":"OK","執行":"Execute ","警告":"Warning ","使用":"Use ",
|
||||
"網路":"Network ","變更":"Change ","總數":"Total","結束":"End ",
|
||||
"選項":"Options ","監控":"Monitor ","連接":"Connect ","可以":"Can ",
|
||||
"進程":"Process ","攔截":"Block ","引導":"Boot ","刪除":"Delete ",
|
||||
"分區":"Partition ","設定":"Setting ","關於":"About","模式":"Mode ",
|
||||
"提高":"Improve ","安全":"Security ","顯色":"Color ","顏色":"Color ",
|
||||
"主題":"Theme ", "回收":"Collect ", "無用":"Useless ","導入":"Import ",
|
||||
"風險":"Risk ","介面":"UI ","核心":"Core ","服務":"Services ",
|
||||
"管理":"Manage","所有":"All ","您":"You ","取消":"Cancel ","未":"Not ",
|
||||
"垃圾":"Junk ","位元":"byte ","本機":"Computer ","停止":"Stop ",
|
||||
"到":"To ","白名單":"White List ","軟體":"Software ","正在":"",
|
||||
"增加":"Add ","移除":"Delete ","項目":"Items ","生成":"Create ","稱":"",
|
||||
"複製":"Copy ","此":"This ","並":"And ","全盤":"Full ","最新":"Latest ",
|
||||
"已存在":"Already ","數據庫":"Database ","誤報":"False Positive ",
|
||||
"高":"High ","新":"New ","和":"And ","可能會":"Possible ","會":"Can ",
|
||||
"日誌":"Log","已":"Has ","彈窗":"Window ","要":"To ","驅動":"Driver ",
|
||||
"的":"","顯示":"","個":"","嗎":"","了":"","行":"","立即":"","規則":"Rule ",
|
||||
"密鑰":"Key ","檢測":"Detect ","製作":"Maker ","運行":"Running",
|
||||
"擴展":"Extension ","套件":"Kit ","自動":"Auto ","上報":"Report ",
|
||||
"分析":"Analysis ","自身":"Self ","其他":"Other ","配置":"Config ",
|
||||
"丟失":"Lost ","網站":"Website ","不兼容":"Not Compatible ","列表":"List ",
|
||||
"竄改":"Tamper ","第三方":"Other ","實時":"Real Time ","查看":"View ",
|
||||
"指定":"Specify ","清空":"Empty ","資源回收桶":"Recycle Bin ", "無法":"Cannot ",
|
||||
"與":"With ","當":"When ","功能":"Function ","異常":"Abnormal ", "來":"To ",
|
||||
"重置":"Reset ","窗口":"Window ","暫存":"Temp ","自訂":"Custom ",
|
||||
"不支持":"Not Support ","共":"Total ","秒":"Seconds ","耗時":"Takes ",
|
||||
"沙箱":"Sandbox ", "虛擬":"Virtual ", "隔離":"Quarantine ", "時":"",
|
||||
"建立":"Create ","環境":"Environment ","沙箱":"Sandbox ","化":"", "表":"",
|
||||
"達":"Reached ", "上限":"Limit ", "區":"", "金鑰":"Key ", "產品":"Product ",
|
||||
"運行庫":".NET CLR ","殼碼":"Shellcode ","線程":"Thread ","注入":"Inject ",
|
||||
"前往":"Go ","檢查":"Check ","可用":"Available ","靜態":"Static ",
|
||||
"版本":"Version ","是":"","剩餘":"Remain ","遠控":"Remote ","監控":"Monitor ",
|
||||
" ":" "},
|
||||
|
||||
"white_switch": {
|
||||
"_white": "_black",},
|
||||
"red_switch": {
|
||||
"235, 235, 235": "255, 235, 235",
|
||||
"245, 245, 245": "255, 225, 225",
|
||||
"255, 255, 255": "255, 245, 245",
|
||||
"240, 240, 240": "255, 220, 220",
|
||||
"250, 250, 250": "255, 210, 210",
|
||||
"220, 255, 220": "255, 220, 220",
|
||||
"210, 255, 210": "255, 210, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"yellow_switch": {
|
||||
"235, 235, 235": "255, 255, 235",
|
||||
"245, 245, 245": "255, 255, 225",
|
||||
"255, 255, 255": "255, 255, 245",
|
||||
"240, 240, 240": "255, 255, 220",
|
||||
"250, 250, 250": "255, 255, 210",
|
||||
"220, 255, 220": "255, 255, 220",
|
||||
"210, 255, 210": "255, 255, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"green_switch": {
|
||||
"235, 235, 235": "235, 255, 235",
|
||||
"245, 245, 245": "225, 255, 225",
|
||||
"255, 255, 255": "245, 255, 245",
|
||||
"240, 240, 240": "220, 255, 220",
|
||||
"250, 250, 250": "210, 255, 210",
|
||||
"_white": "_black"
|
||||
},
|
||||
"blue_switch": {
|
||||
"235, 235, 235": "235, 235, 255",
|
||||
"245, 245, 245": "225, 225, 255",
|
||||
"255, 255, 255": "245, 245, 255",
|
||||
"240, 240, 240": "220, 220, 255",
|
||||
"250, 250, 250": "210, 210, 255",
|
||||
"220, 255, 220": "220, 220, 255",
|
||||
"210, 255, 210": "210, 210, 255",
|
||||
"_white": "_black"
|
||||
},
|
||||
"black_switch": {
|
||||
"255, 255, 255": "20, 20, 20",
|
||||
"245, 245, 245": "40, 40, 40",
|
||||
"235, 235, 235": "30, 30, 30",
|
||||
"240, 240, 240": "70, 70, 70",
|
||||
"250, 250, 250": "80, 80, 80",
|
||||
"220, 255, 220": "70, 70, 70",
|
||||
"210, 255, 210": "80, 80, 80",
|
||||
"0, 0, 0": "255, 255, 255",
|
||||
"_black": "_white"
|
||||
}
|
||||
}
|
||||
+196
-72
@@ -1,84 +1,208 @@
|
||||
import time, json, hashlib, numpy
|
||||
from collections import Counter
|
||||
import os, yara, numpy, base64, onnxruntime
|
||||
import ctypes, ctypes.wintypes, pefile
|
||||
from PIL import Image
|
||||
from io import BytesIO
|
||||
|
||||
class ListSimHash:
|
||||
####################################################################################################
|
||||
|
||||
class GUID(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("Data1", ctypes.wintypes.DWORD),
|
||||
("Data2", ctypes.wintypes.WORD),
|
||||
("Data3", ctypes.wintypes.WORD),
|
||||
("Data4", ctypes.c_ubyte * 8)]
|
||||
|
||||
class WINTRUST_FILE_INFO(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pcwszFilePath", ctypes.wintypes.LPCWSTR),
|
||||
("hFile", ctypes.wintypes.HANDLE),
|
||||
("pgKnownSubject", ctypes.wintypes.LPVOID)]
|
||||
|
||||
class WINTRUST_DATA(ctypes.Structure):
|
||||
_fields_ = [
|
||||
("cbStruct", ctypes.wintypes.DWORD),
|
||||
("pPolicyCallbackData", ctypes.wintypes.LPVOID),
|
||||
("pSIPClientData", ctypes.wintypes.LPVOID),
|
||||
("dwUIChoice", ctypes.wintypes.DWORD),
|
||||
("fdwRevocationChecks", ctypes.wintypes.DWORD),
|
||||
("dwUnionChoice", ctypes.wintypes.DWORD),
|
||||
("pFile", ctypes.POINTER(WINTRUST_FILE_INFO)),
|
||||
("dwStateAction", ctypes.wintypes.DWORD),
|
||||
("hWVTStateData", ctypes.wintypes.HANDLE),
|
||||
("pwszURLReference", ctypes.wintypes.LPCWSTR),
|
||||
("dwProvFlags", ctypes.wintypes.DWORD),
|
||||
("dwUIContext", ctypes.wintypes.DWORD),
|
||||
("pSignatureSettings", ctypes.wintypes.LPVOID)]
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class sign_scanner:
|
||||
def __init__(self):
|
||||
self.model = {}
|
||||
self.verify = GUID(0x00AAC56B, 0xCD44, 0x11D0, (0x8C, 0xC2, 0x00, 0xC0, 0x4F, 0xC2, 0x95, 0xEE))
|
||||
|
||||
def save_model(self, file_name):
|
||||
with open(file_name, 'w') as f:
|
||||
json.dump(self.model, f)
|
||||
print(f"\nModel Is Saved In {file_name}")
|
||||
def init_windll(self, path):
|
||||
for name in path:
|
||||
try:
|
||||
setattr(self, name.lower(), ctypes.WinDLL(name, use_last_error=True))
|
||||
except Exception as e:
|
||||
self.send_message(e, "warn", False)
|
||||
|
||||
def load_model(self, model_data):
|
||||
if isinstance(model_data, str):
|
||||
with open(model_data, 'r') as f:
|
||||
model_data = json.load(f)
|
||||
self.model = model_data
|
||||
self.WinVerifyTrust = self.wintrust.WinVerifyTrust
|
||||
self.WinVerifyTrust.restype = ctypes.wintypes.LONG
|
||||
self.WinVerifyTrust.argtypes = [ctypes.wintypes.HWND, ctypes.POINTER(GUID), ctypes.c_void_p]
|
||||
|
||||
def get_model(self, label):
|
||||
return self.model[label]
|
||||
def is_sign(self, file_path):
|
||||
with pefile.PE(file_path, fast_load=True) as pe:
|
||||
sec_dir = pe.OPTIONAL_HEADER.DATA_DIRECTORY[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_SECURITY']]
|
||||
return sec_dir.VirtualAddress != 0 and sec_dir.Size > 0
|
||||
|
||||
def train_model(self, label, data):
|
||||
start = time.time()
|
||||
print(f"Convert {label}")
|
||||
if label not in self.model:
|
||||
self.model[label] = []
|
||||
for i, x in enumerate(data, 1):
|
||||
self.model[label].append(self.build_text(x))
|
||||
used = "{0:.2f}".format(time.time()-start)
|
||||
prefix, suffix = f'{i}/{len(data)}:', f'{used}s'
|
||||
self.progress_bar(i, len(data), prefix, suffix)
|
||||
def sign_verify(self, file_path):
|
||||
fi = WINTRUST_FILE_INFO(ctypes.sizeof(WINTRUST_FILE_INFO), file_path, None, None)
|
||||
data = WINTRUST_DATA(ctypes.sizeof(WINTRUST_DATA), None, None, 2, 0, 1,
|
||||
ctypes.pointer(fi), 1, None, None, 0, 0, None)
|
||||
s = self.WinVerifyTrust(None, ctypes.byref(self.verify), ctypes.byref(data))
|
||||
data.dwStateAction = 2
|
||||
self.WinVerifyTrust(None, ctypes.byref(self.verify), ctypes.byref(data))
|
||||
return s == 0
|
||||
|
||||
def build_text(self, content):
|
||||
sums, batch, count = [], [], 0
|
||||
features = dict(Counter(sorted(content)))
|
||||
for f, w in features.items():
|
||||
count += w
|
||||
batch.append(hashlib.sha256(json.dumps(f).encode('utf-8')).digest() * w)
|
||||
if len(batch) >= 10000:
|
||||
sums.append(self.sum_hashes(batch))
|
||||
batch = []
|
||||
if batch:
|
||||
sums.append(self.sum_hashes(batch))
|
||||
combined_sums = numpy.sum(sums, 0)
|
||||
v = numpy.packbits(combined_sums > count / 2).tobytes()
|
||||
return int.from_bytes(v, 'big')
|
||||
####################################################################################################
|
||||
|
||||
def sum_hashes(self, digests):
|
||||
bitarray = numpy.unpackbits(numpy.frombuffer(b''.join(digests), dtype='>B'))
|
||||
return numpy.sum(numpy.reshape(bitarray, (-1, 256)), 0)
|
||||
class rule_scanner:
|
||||
def __init__(self):
|
||||
self.rules = {}
|
||||
self.network = []
|
||||
|
||||
def progress_bar(self, items, total, prefix='', suffix='', length=50, fill='█'):
|
||||
percent = min(100.0, max(0.0, 100 * (items / float(total))))
|
||||
end_char = '\n' if percent >= 100 else '\r'
|
||||
percent_string = "{0:.2f}".format(percent)
|
||||
filled_length = int(length * items // total)
|
||||
bar = fill * filled_length + ' ' * (length - filled_length)
|
||||
print(f'\r{prefix: <15} |{bar}| {percent_string}% {suffix}', end=end_char)
|
||||
def load_path(self, path):
|
||||
for root, _, files in os.walk(path):
|
||||
for file in files:
|
||||
self.load_file(os.path.join(root, file))
|
||||
|
||||
def predict_all(self, query):
|
||||
label_similarities = {}
|
||||
query_hash = self.build_text(query)
|
||||
for label in self.model:
|
||||
max_similarity = 0
|
||||
for data_point in self.model[label]:
|
||||
similarity = self.similar(data_point, query_hash)
|
||||
if similarity > max_similarity:
|
||||
max_similarity = similarity
|
||||
label_similarities[label] = max_similarity
|
||||
return label_similarities
|
||||
def load_file(self, file):
|
||||
ext = os.path.splitext(file)[1].lower()
|
||||
try:
|
||||
if ext in ('.yara', '.yar'):
|
||||
self.rules[file] = yara.compile(file)
|
||||
elif ext in ('.yc', '.yrc'):
|
||||
self.rules[file] = yara.load(file)
|
||||
elif ext in ('.ip', '.txt'):
|
||||
with open(file, "r", encoding="utf-8", errors="ignore") as f:
|
||||
self.network.extend(line.strip() for line in f if line.strip())
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
def predict(self, query):
|
||||
max_similarity, max_label = 0, None
|
||||
query_hash = self.build_text(query)
|
||||
for label in self.model:
|
||||
for data_point in self.model[label]:
|
||||
similarity = self.similar(data_point, query_hash)
|
||||
if similarity > max_similarity:
|
||||
max_similarity, max_label = similarity, label
|
||||
return max_label, max_similarity
|
||||
def yara_scan(self, file_path):
|
||||
try:
|
||||
for rules in self.rules.values():
|
||||
matches = rules.match(filepath=file_path)
|
||||
if matches:
|
||||
rule_name = str(matches[0])
|
||||
label = rule_name.split("_")[0]
|
||||
level = rule_name.split("_")[-1]
|
||||
return f"Rules/{label}", level
|
||||
return False, False
|
||||
except Exception:
|
||||
return False, False
|
||||
|
||||
def similar(self, x, y):
|
||||
hamming_distance = bin(x ^ y).count('1')
|
||||
return 1 - hamming_distance / 256
|
||||
####################################################################################################
|
||||
|
||||
class model_scanner:
|
||||
def __init__(self):
|
||||
self.model = None
|
||||
self.suffix = {".com", ".dll", ".drv", ".exe", ".ocx", ".scr", ".sys"}
|
||||
self.labels = ["Pefile/White", "Pefile/General"]
|
||||
self.detect_set = {"Pefile/General"}
|
||||
self.resize = (224, 224)
|
||||
|
||||
def load_path(self, path):
|
||||
for root, _, files in os.walk(path):
|
||||
for file in files:
|
||||
self.load_file(os.path.join(root, file))
|
||||
|
||||
def load_file(self, file):
|
||||
if file.lower().endswith('.onnx'):
|
||||
try:
|
||||
self.model = onnxruntime.InferenceSession(file)
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
def model_scan(self, file_path, full_output=False):
|
||||
if not self.model:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
sections = self.extract_sections(file_path)
|
||||
if not sections:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
images = [self.preprocess_image(data, self.resize) for data in sections.values()]
|
||||
if not images:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
arr = numpy.stack([numpy.asarray(img).astype('float32') / 255.0 for img in images])
|
||||
if arr.ndim == 3:
|
||||
arr = numpy.expand_dims(arr, axis=-1)
|
||||
|
||||
input_meta = self.model.get_inputs()[0]
|
||||
input_name = input_meta.name
|
||||
input_shape = input_meta.shape
|
||||
|
||||
if len(input_shape) == 4:
|
||||
if input_shape[1] in (1, 3) and input_shape[3] not in (1, 3):
|
||||
arr = arr.transpose(0, 3, 1, 2)
|
||||
try:
|
||||
probs = self.model.run(None, {input_name: arr})[0]
|
||||
except Exception:
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
results = []
|
||||
best_malicious = None
|
||||
|
||||
for name, pred, img in zip(sections.keys(), probs, images):
|
||||
idx = int(numpy.argmax(pred))
|
||||
label = self.labels[idx] if idx < len(self.labels) else f"Class_{idx}"
|
||||
conf = round(float(pred[idx]) * 100, 2)
|
||||
print(f"Section: {name} | Label: {label} | Confidence: {conf}%")
|
||||
|
||||
if full_output:
|
||||
results.append((name, label, conf, self.pil_to_base64(img)))
|
||||
if label in self.detect_set:
|
||||
if best_malicious is None or conf > best_malicious[1]:
|
||||
best_malicious = (label, int(conf))
|
||||
|
||||
if full_output:
|
||||
results.sort(key=lambda x: (x[1] not in self.detect_set, -x[2]))
|
||||
malicious_count = sum(1 for _, lbl, _, _ in results if lbl in self.detect_set)
|
||||
total = len(results)
|
||||
return results, str(file_path), f"{malicious_count}/{total}"
|
||||
|
||||
return best_malicious if best_malicious else (False, False)
|
||||
|
||||
def pil_to_base64(self, img):
|
||||
buf = BytesIO()
|
||||
img.save(buf, format='PNG')
|
||||
return base64.b64encode(buf.getvalue()).decode()
|
||||
|
||||
def preprocess_image(self, data, size, channels=1):
|
||||
width, height = size
|
||||
wah = int(numpy.ceil(numpy.sqrt(len(data) / channels)))
|
||||
arr = numpy.frombuffer(data, dtype=numpy.uint8)
|
||||
imgbuf = numpy.zeros(wah * wah * channels, dtype=numpy.uint8)
|
||||
imgbuf[:len(arr)] = arr
|
||||
image = Image.fromarray(imgbuf.reshape((wah, wah)), 'L')
|
||||
return image.resize((width, height), Image.Resampling.NEAREST)
|
||||
|
||||
def extract_sections(self, file_path):
|
||||
match_data = {}
|
||||
fpath_str = str(file_path)
|
||||
ext = os.path.splitext(fpath_str)[-1].lower()
|
||||
if ext in self.suffix:
|
||||
try:
|
||||
with pefile.PE(fpath_str, fast_load=True) as pe:
|
||||
for section in pe.sections:
|
||||
name = section.Name.rstrip(b'\x00').decode('latin1', errors='ignore').lower()
|
||||
data = section.get_data()
|
||||
if data:
|
||||
match_data[name] = data
|
||||
except Exception:
|
||||
pass
|
||||
return match_data
|
||||
@@ -1,24 +0,0 @@
|
||||
from subprocess import *
|
||||
import os, re, sys
|
||||
|
||||
class ExtenRules:
|
||||
def __init__(self):
|
||||
self.exten = {}
|
||||
self.pyas = sys.argv[0].replace("\\", "/")
|
||||
self.dir = os.path.dirname(self.pyas)
|
||||
self.exten = os.path.join(self.dir, "Exten")
|
||||
|
||||
def bdc_scan(self, file):
|
||||
if self.exten.replace("\\", "/") not in file.replace("\\", "/"):
|
||||
cmd = f'"{self.exten}\\Bitdefender\\bdc.exe" "{file}"'
|
||||
p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True, universal_newlines=True)
|
||||
for matchs in re.finditer(r'(?P<filename>[^\s]+)\s+infected:\s+(?P<virusname>.+)', p.communicate()[0]):
|
||||
return matchs
|
||||
return False
|
||||
|
||||
def mem_scan(self, p):
|
||||
if self.exten.replace("\\", "/") not in p.exe().replace("\\", "/"):
|
||||
cmd = f'"{self.exten}\\hollows_hunter\\hollows_hunter.exe" /ofilter 2 /pid "{p.pid}"'
|
||||
p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True, universal_newlines=True)
|
||||
return 'Detected' in p.communicate()[0]
|
||||
return False
|
||||
+1543
-1877
File diff suppressed because it is too large.
Load diff
@@ -1,59 +0,0 @@
|
||||
translate_dict = {
|
||||
"zh_TW": {"已开启":"已開啟","已关闭":"已關閉","On":"已開啟","Off":"已關閉"},
|
||||
"zh_CN": {"已開啟":"已开启","已關閉":"已关闭","On":"已开启","Off":"已关闭",
|
||||
"軟體":"软件","檔案":"文件","確定":"确认","設定":"设置","關於":"关于",
|
||||
"錯誤":"错误","實時":"实时","發現":"发现","關閉":"关闭","裝置":"设备",
|
||||
"總數":"总数","註冊":"注册","圖標":"图标","路徑":"路径","網路":"网络",
|
||||
"位元":"字节","彈窗":"弹窗","靈敏":"敏感","複製":"复制","開啟":"开启",
|
||||
"訊":"讯","項":"项","掃":"扫","試":"试","黃":"黄","嗎":"吗","防":"保",
|
||||
"鑰":"钥","當":"当","後":"后","護":"护","導":"导","區":"区","復":"复",
|
||||
"攔":"拦","請":"请","統":"统","刪":"删","進":"进","個":"个","選":"选",
|
||||
"啟":"启","監":"监","並":"并","徑":"径","盤":"盘","隱":"隐","動":"动",
|
||||
"狀":"状","誌":"志","這":"这","會":"会","題":"题","擇":"择","語":"语",
|
||||
"無":"无","顯":"显","變":"变","戶":"户","碼":"码","雲":"云","介":"界",
|
||||
"稱":"称","類":"类","輸":"输","執":"执","數":"数","尋":"寻","網":"网",
|
||||
"詢":"询","製":"制","員":"员","許":"许","條":"条","藍":"蓝","紅":"红",
|
||||
"綠":"绿","態":"态","務":"务","連":"连","檢":"检","測":"测","關":"关",
|
||||
"強":"强","驅":"驱","為":"为","腳":"脚","單":"单","開":"开","擴":"扩",
|
||||
"惡":"恶","據":"据","庫":"库","經":"经","敗":"败","謝":"谢","別":"别",
|
||||
"載":"载","誤":"误","報":"报","鏈":"链","竄":"窜","記憶體":"内存",},
|
||||
"en_US": {"已開啟":"On","已關閉":"Off","已开启":"On","已关闭":"Off",",":", ",
|
||||
"立即刪除":"Delete Now","安全模式":"Safe Mode","官方網站":"Website ",
|
||||
"腳本":"Script ","鏈式":"Chain ","記憶體":"Memory ","加載":"Load ",
|
||||
"行為":"Behavior ","可疑":"Suspicious ","勒索":"Ransom ",
|
||||
"許可條款":"License Terms ","惡意":"Malicious","可疑":"Suspicious",
|
||||
"啟用":"Enable ","禁用":"Disable ","正在初始化中":"Initializing ",
|
||||
"正在掃描":"Scanning ","正在刪除":"Deleting ","最小化到":"Minimize To ",
|
||||
"確定要":"Sure Want To ","靈敏度":"Sensitivity ","更新":"Update ",
|
||||
"白色主題":"White","黃色主題":"Yellow","紅色主題":"Red","語言":"Language ",
|
||||
"藍色主題":"Blue","綠色主題":"Green","自定主題":"Custom","最新":"Latest ",
|
||||
"特別感謝":"Contributors ","版本資訊":"Information","通訊":"Connect ",
|
||||
"註冊表":"Registry ","退出":"Quit ","檔案":"File ","當前":"Currently ",
|
||||
"狀態":"State ","掃描":"Scan ","工具":"Tools ","防護":"Protect ",
|
||||
"失敗":"Failed ","請":"Please ","路徑":"Path ","方式":"Method ",
|
||||
"需要":"Need ","病毒":"Virus ","選擇":"Select ","返回":"Back",
|
||||
"受到":"Been ","錯誤":"Error","完成":"Complete ","引擎":"Engine ",
|
||||
"托盤":"Tray ","圖標":"Icon ","不安全":"Unsafe","增強":"Enhance ",
|
||||
"系統":"System ","雲端":"Cloud ","重啟":"Reboot ","修復":"Repair ",
|
||||
"裝置":"Device ","發現":"Found ","成功":"Success ","清理":"Cleanup ",
|
||||
"確定":"OK","執行":"Execute ","警告":"Warning ","使用":"Use ",
|
||||
"網路":"Network ","變更":"Change ","總數":"Total","結束":"End ",
|
||||
"選項":"Options ","監控":"Monitor ","連接":"Connect ","可以":"To ",
|
||||
"進程":"Process ","攔截":"Block ","引導":"Boot ","刪除":"Delete ",
|
||||
"分區":"Partition ","設定":"Settings","關於":"About","模式":"Mode ",
|
||||
"提高":"Improve ","安全":"Security ","顯色":"Color ","主題":"Themes ",
|
||||
"風險":"Risk ","介面":"GUI ","核心":"Core ","服務":"Services ",
|
||||
"管理":"Manage","所有":"All ","您":"You ","取消":"Cancel ","未":"Not ",
|
||||
"垃圾":"Junk ","位元":"byte ","本機":"Computer ","停止":"Stop ",
|
||||
"增加到":"Add To ","白名單":"White List ","軟體":"Software ","正在":"Start ",
|
||||
"增加":"Add ","移除":"Delete","項目":"Items ","生成":"Create ","稱":"",
|
||||
"複製":"Copy ","開啟":"Open ","此":"This ","並":"And ","全盤":"Full ",
|
||||
"已經在":"Already ","數據庫":"Database ","誤報":"False Positive ",
|
||||
"高":"High ","新":"New ","和":"And ","可能會":"Possible ","會":"Can ",
|
||||
"日誌":"Log","已":"Has ","彈窗":"Window ","要":"To ","驅動":"Driver ",
|
||||
"的":"","顯示":"","個":"","嗎":"","中":"","了":"","行":"","立即":"",
|
||||
"密鑰":"Key ","檢測":"Detect ","製作":"Maker ","運行":"Running",
|
||||
"擴展套件":"Extension Kit ","自動":"Auto ","上報":"Report ","與":"With ",
|
||||
"分析":"Analysis ","自身":"Self ","其他":"Other ","配置":"Config ",
|
||||
"丟失":"Lost ","網站":"Website ","不兼容":"Not Compatible ","追蹤":"Tracking ",
|
||||
"竄改":"Tamper "," ":" "}}
|
||||
+14450
-9866
File diff suppressed because it is too large.
Load diff
@@ -1,11 +0,0 @@
|
||||
slist = [".exe",".dll",".com",".msi",".scr",
|
||||
".js",".bat",".cmd",".ps1",".vbs"]
|
||||
|
||||
alist = [".exe",".dll",".zip",".7z",".rar",
|
||||
".js",".bat",".cmd",".ps1",".vbs",
|
||||
".ppt",".pptx",".wps",".txt",".rtf",
|
||||
".pdf",".xls",".xlsx",".doc",".docx",
|
||||
".jpg",".jpeg",".png",".webp",".gif",
|
||||
".mp3",".wav",".aac",".ogg",".flac",
|
||||
".mp4",".avi",".mov",".wmv",".mkv",
|
||||
".aux",".cur",".mui",".ttf",".efi"]
|
||||
+1
-1
@@ -2,7 +2,7 @@ import pyinstaller_versionfile
|
||||
|
||||
pyinstaller_versionfile.create_versionfile(
|
||||
output_file="versionfile.txt",
|
||||
version='3.1.4',
|
||||
version='3.3.7',
|
||||
company_name="PYAS Security",
|
||||
file_description="Python Antivirus Software",
|
||||
internal_name="PYAS",
|
||||
|
||||
@@ -0,0 +1,265 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectRules.h"
|
||||
|
||||
LARGE_INTEGER g_CmRegHandle;
|
||||
PDEVICE_OBJECT g_ControlDeviceObject;
|
||||
KSPIN_LOCK g_ProtectLock;
|
||||
FAST_MUTEX HookMutex;
|
||||
PDRIVER_OBJECT DiskDrvObj = NULL;
|
||||
KEVENT g_LogDrainEvent;
|
||||
BOOLEAN g_Unloading = FALSE;
|
||||
BOOLEAN g_CmRegActive = FALSE;
|
||||
EX_RUNDOWN_REF g_Rundown;
|
||||
PDEVICE_OBJECT g_GuardDevice = NULL;
|
||||
PDRIVER_OBJECT g_DriverObject = NULL;
|
||||
|
||||
PDEVICE_OBJECT g_MbrFilterTargets[MAX_MBR_TARGETS] = { 0 };
|
||||
ULONG g_MbrFilterCount = 0;
|
||||
|
||||
volatile LONG g_LogWorkCount = 0;
|
||||
static UNICODE_STRING g_DeviceName;
|
||||
static WCHAR g_DeviceNameBuf[64];
|
||||
static UNICODE_STRING g_SymLink = RTL_CONSTANT_STRING(L"\\??\\PYAS_Driver");
|
||||
static BOOLEAN g_SymLinkCreated = FALSE;
|
||||
|
||||
static NTSTATUS CombinedDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
|
||||
{
|
||||
if (DeviceObject == g_ControlDeviceObject) {
|
||||
PIO_STACK_LOCATION s = IoGetCurrentIrpStackLocation(Irp);
|
||||
if (s->MajorFunction == IRP_MJ_CREATE || s->MajorFunction == IRP_MJ_CLOSE || s->MajorFunction == IRP_MJ_CLEANUP) {
|
||||
Irp->IoStatus.Status = STATUS_SUCCESS;
|
||||
Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
|
||||
Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_INVALID_DEVICE_REQUEST;
|
||||
}
|
||||
|
||||
PIO_STACK_LOCATION s = IoGetCurrentIrpStackLocation(Irp);
|
||||
if (s->MajorFunction == IRP_MJ_PNP) {
|
||||
PDEVICE_OBJECT lower = (PDEVICE_OBJECT)DeviceObject->DeviceExtension;
|
||||
if (s->MinorFunction == IRP_MN_REMOVE_DEVICE) {
|
||||
NTSTATUS st;
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
st = lower ? IoCallDriver(lower, Irp) : STATUS_SUCCESS;
|
||||
if (lower) IoDetachDevice(lower);
|
||||
IoDeleteDevice(DeviceObject);
|
||||
return st;
|
||||
}
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
return IoCallDriver((PDEVICE_OBJECT)DeviceObject->DeviceExtension, Irp);
|
||||
}
|
||||
|
||||
return BootProtectDispatch(DeviceObject, Irp);
|
||||
}
|
||||
|
||||
static NTSTATUS AttachDiskFilters(PDRIVER_OBJECT DriverObject)
|
||||
{
|
||||
UNICODE_STRING name = RTL_CONSTANT_STRING(L"\\Driver\\Disk");
|
||||
UNICODE_STRING sym = RTL_CONSTANT_STRING(L"IoDriverObjectType");
|
||||
POBJECT_TYPE* pType = (POBJECT_TYPE*)MmGetSystemRoutineAddress(&sym);
|
||||
|
||||
if (!pType || !*pType)
|
||||
return STATUS_NOT_SUPPORTED;
|
||||
|
||||
NTSTATUS status = ObReferenceObjectByName(&name, OBJ_CASE_INSENSITIVE, NULL, 0, *pType, KernelMode, NULL, (PVOID*)&DiskDrvObj);
|
||||
if (!NT_SUCCESS(status))
|
||||
return status;
|
||||
|
||||
ULONG done = 0;
|
||||
status = IoEnumerateDeviceObjectList(DiskDrvObj, NULL, 0, &done);
|
||||
if (status != STATUS_BUFFER_TOO_SMALL && status != STATUS_SUCCESS) {
|
||||
ObDereferenceObject(DiskDrvObj);
|
||||
DiskDrvObj = NULL;
|
||||
return status;
|
||||
}
|
||||
|
||||
PDEVICE_OBJECT* list = ExAllocatePool2(POOL_FLAG_NON_PAGED, done * sizeof(PDEVICE_OBJECT), 'dskT');
|
||||
if (!list) {
|
||||
ObDereferenceObject(DiskDrvObj);
|
||||
DiskDrvObj = NULL;
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
status = IoEnumerateDeviceObjectList(DiskDrvObj, list, done * sizeof(PDEVICE_OBJECT), &done);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
ExFreePool2(list, 'dskT', NULL, 0);
|
||||
ObDereferenceObject(DiskDrvObj);
|
||||
DiskDrvObj = NULL;
|
||||
return status;
|
||||
}
|
||||
|
||||
for (ULONG i = 0; i < done && g_MbrFilterCount < MAX_MBR_TARGETS; ++i) {
|
||||
PDEVICE_OBJECT lower = list[i], filter, attached = NULL;
|
||||
|
||||
status = IoCreateDevice(DriverObject, 0, NULL, lower->DeviceType, lower->Characteristics, FALSE, &filter);
|
||||
if (!NT_SUCCESS(status))
|
||||
continue;
|
||||
|
||||
filter->Flags |= (lower->Flags & (DO_BUFFERED_IO | DO_DIRECT_IO | DO_POWER_PAGABLE));
|
||||
|
||||
status = IoAttachDeviceToDeviceStackSafe(filter, lower, &attached);
|
||||
if (!NT_SUCCESS(status) || !attached) {
|
||||
IoDeleteDevice(filter);
|
||||
continue;
|
||||
}
|
||||
|
||||
filter->StackSize = lower->StackSize + 1;
|
||||
filter->AlignmentRequirement = lower->AlignmentRequirement;
|
||||
filter->DeviceExtension = attached;
|
||||
filter->Flags &= ~DO_DEVICE_INITIALIZING;
|
||||
g_MbrFilterTargets[g_MbrFilterCount++] = filter;
|
||||
}
|
||||
|
||||
for (ULONG i = 0; i < done; ++i)
|
||||
ObDereferenceObject(list[i]);
|
||||
ExFreePool2(list, 'dskT', NULL, 0);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(RegistryPath);
|
||||
|
||||
g_DriverObject = DriverObject;
|
||||
|
||||
KeInitializeSpinLock(&g_ProtectLock);
|
||||
ExInitializeFastMutex(&HookMutex);
|
||||
KeInitializeEvent(&g_LogDrainEvent, NotificationEvent, TRUE);
|
||||
g_Unloading = FALSE;
|
||||
g_CmRegActive = FALSE;
|
||||
|
||||
InterlockedExchange(&g_LogWorkCount, 0);
|
||||
ExInitializeRundownProtection(&g_Rundown);
|
||||
|
||||
{
|
||||
UNICODE_STRING guardName = RTL_CONSTANT_STRING(L"\\Device\\PYAS_Driver_Guard");
|
||||
NTSTATUS gs = IoCreateDevice(DriverObject, 0, &guardName, FILE_DEVICE_UNKNOWN, 0, FALSE, &g_GuardDevice);
|
||||
if (!NT_SUCCESS(gs))
|
||||
return STATUS_DEVICE_BUSY;
|
||||
}
|
||||
|
||||
{
|
||||
LARGE_INTEGER t = KeQueryPerformanceCounter(NULL);
|
||||
g_DeviceName.Buffer = g_DeviceNameBuf;
|
||||
g_DeviceName.MaximumLength = sizeof(g_DeviceNameBuf);
|
||||
RtlStringCchPrintfW(g_DeviceName.Buffer, RTL_NUMBER_OF(g_DeviceNameBuf), L"\\Device\\PYAS_Driver_%p_%I64x", DriverObject, t.QuadPart);
|
||||
g_DeviceName.Length = (USHORT)(wcslen(g_DeviceName.Buffer) * sizeof(WCHAR));
|
||||
}
|
||||
|
||||
NTSTATUS status = IoCreateDevice(DriverObject, 0, &g_DeviceName, FILE_DEVICE_UNKNOWN, 0, FALSE, &g_ControlDeviceObject);
|
||||
if (!NT_SUCCESS(status))
|
||||
return status;
|
||||
|
||||
DriverObject->DriverUnload = DriverUnload;
|
||||
for (ULONG i = 0; i < IRP_MJ_MAXIMUM_FUNCTION; ++i)
|
||||
DriverObject->MajorFunction[i] = CombinedDispatch;
|
||||
|
||||
DriverObject->Flags |= 0x20;
|
||||
g_ControlDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
|
||||
|
||||
IoDeleteSymbolicLink(&g_SymLink);
|
||||
{
|
||||
UINT i = 0;
|
||||
for (; i < 50; ++i) {
|
||||
status = IoCreateSymbolicLink(&g_SymLink, &g_DeviceName);
|
||||
if (NT_SUCCESS(status))
|
||||
break;
|
||||
LARGE_INTEGER d = { 0 };
|
||||
d.QuadPart = -10LL * 1000LL * 10LL;
|
||||
KeDelayExecutionThread(KernelMode, FALSE, &d);
|
||||
IoDeleteSymbolicLink(&g_SymLink);
|
||||
}
|
||||
if (!NT_SUCCESS(status)) {
|
||||
IoDeleteDevice(g_ControlDeviceObject);
|
||||
g_ControlDeviceObject = NULL;
|
||||
if (g_GuardDevice) { IoDeleteDevice(g_GuardDevice); g_GuardDevice = NULL; }
|
||||
return status;
|
||||
}
|
||||
}
|
||||
g_SymLinkCreated = TRUE;
|
||||
|
||||
{
|
||||
static WCHAR regAltBuf[32];
|
||||
static UNICODE_STRING regAlt;
|
||||
LARGE_INTEGER t = KeQueryPerformanceCounter(NULL);
|
||||
RtlStringCchPrintfW(regAltBuf, RTL_NUMBER_OF(regAltBuf), L"385100.%I64x", t.QuadPart);
|
||||
RtlInitUnicodeString(®Alt, regAltBuf);
|
||||
|
||||
status = CmRegisterCallbackEx(RegistryProtectCallback, ®Alt, DriverObject, NULL, &g_CmRegHandle, NULL);
|
||||
if (NT_SUCCESS(status))
|
||||
g_CmRegActive = TRUE;
|
||||
}
|
||||
|
||||
InitImageProtect();
|
||||
InitInjectProtect();
|
||||
InitRemoteProtect();
|
||||
InitScreenProtect();
|
||||
InitProcessProtect();
|
||||
|
||||
InitFileProtect();
|
||||
AttachDiskFilters(DriverObject);
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
VOID DriverUnload(PDRIVER_OBJECT DriverObject)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(DriverObject);
|
||||
|
||||
g_Unloading = TRUE;
|
||||
|
||||
if (g_SymLinkCreated) {
|
||||
IoDeleteSymbolicLink(&g_SymLink);
|
||||
g_SymLinkCreated = FALSE;
|
||||
}
|
||||
|
||||
if (g_CmRegActive) {
|
||||
CmUnRegisterCallback(g_CmRegHandle);
|
||||
g_CmRegActive = FALSE;
|
||||
}
|
||||
|
||||
UninitFileProtect();
|
||||
UninitInjectProtect();
|
||||
UninitImageProtect();
|
||||
UninitRemoteProtect();
|
||||
UninitScreenProtect();
|
||||
UninitProcessProtect();
|
||||
|
||||
ExWaitForRundownProtectionRelease(&g_Rundown);
|
||||
|
||||
if (InterlockedCompareExchange((volatile LONG*)&g_LogWorkCount, 0, 0) != 0) {
|
||||
KeWaitForSingleObject(&g_LogDrainEvent, Executive, KernelMode, FALSE, NULL);
|
||||
}
|
||||
if (InterlockedCompareExchange(&g_LogWorkCount, 0, 0) != 0) {
|
||||
KeResetEvent(&g_LogDrainEvent);
|
||||
while (InterlockedCompareExchange(&g_LogWorkCount, 0, 0) != 0)
|
||||
KeWaitForSingleObject(&g_LogDrainEvent, Executive, KernelMode, FALSE, NULL);
|
||||
}
|
||||
|
||||
for (ULONG i = 0; i < g_MbrFilterCount; ++i) {
|
||||
if (g_MbrFilterTargets[i]) {
|
||||
IoDetachDevice((PDEVICE_OBJECT)g_MbrFilterTargets[i]->DeviceExtension);
|
||||
IoDeleteDevice(g_MbrFilterTargets[i]);
|
||||
g_MbrFilterTargets[i] = NULL;
|
||||
}
|
||||
}
|
||||
g_MbrFilterCount = 0;
|
||||
|
||||
if (DiskDrvObj) {
|
||||
ObDereferenceObject(DiskDrvObj);
|
||||
DiskDrvObj = NULL;
|
||||
}
|
||||
if (g_ControlDeviceObject) {
|
||||
IoDeleteDevice(g_ControlDeviceObject);
|
||||
g_ControlDeviceObject = NULL;
|
||||
}
|
||||
if (g_GuardDevice) {
|
||||
IoDeleteDevice(g_GuardDevice);
|
||||
g_GuardDevice = NULL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,187 @@
|
||||
#pragma once
|
||||
#include <ntifs.h>
|
||||
#include <ntstrsafe.h>
|
||||
#include <ntdddisk.h>
|
||||
#include <ntddscsi.h>
|
||||
#include <fltKernel.h>
|
||||
|
||||
#define PIPE_NAME L"\\??\\pipe\\PYAS_Output_Pipe"
|
||||
|
||||
#ifndef POOL_FLAG_NON_PAGED
|
||||
#define POOL_FLAG_NON_PAGED 0x00000001
|
||||
#endif
|
||||
#ifndef PROCESS_TERMINATE
|
||||
#define PROCESS_TERMINATE 0x0001
|
||||
#endif
|
||||
#ifndef PROCESS_CREATE_THREAD
|
||||
#define PROCESS_CREATE_THREAD 0x0002
|
||||
#endif
|
||||
#ifndef PROCESS_VM_OPERATION
|
||||
#define PROCESS_VM_OPERATION 0x0008
|
||||
#endif
|
||||
#ifndef PROCESS_VM_WRITE
|
||||
#define PROCESS_VM_WRITE 0x0020
|
||||
#endif
|
||||
#ifndef PROCESS_VM_READ
|
||||
#define PROCESS_VM_READ 0x0010
|
||||
#endif
|
||||
#ifndef PROCESS_DUP_HANDLE
|
||||
#define PROCESS_DUP_HANDLE 0x0040
|
||||
#endif
|
||||
#ifndef PROCESS_CREATE_PROCESS
|
||||
#define PROCESS_CREATE_PROCESS 0x0080
|
||||
#endif
|
||||
#ifndef PROCESS_SET_QUOTA
|
||||
#define PROCESS_SET_QUota 0x0100
|
||||
#endif
|
||||
#ifndef PROCESS_SET_INFORMATION
|
||||
#define PROCESS_SET_INFORMATION 0x0200
|
||||
#endif
|
||||
#ifndef PROCESS_SUSPEND_RESUME
|
||||
#define PROCESS_SUSPEND_RESUME 0x0800
|
||||
#endif
|
||||
#ifndef PROCESS_QUERY_LIMITED_INFORMATION
|
||||
#define PROCESS_QUERY_LIMITED_INFORMATION 0x1000
|
||||
#endif
|
||||
#ifndef PROCESS_SET_LIMITED_INFORMATION
|
||||
#define PROCESS_SET_LIMITED_INFORMATION 0x2000
|
||||
#endif
|
||||
#ifndef THREAD_TERMINATE
|
||||
#define THREAD_TERMINATE 0x0001
|
||||
#endif
|
||||
#ifndef THREAD_SUSPEND_RESUME
|
||||
#define THREAD_SUSPEND_RESUME 0x0002
|
||||
#endif
|
||||
#ifndef THREAD_SET_CONTEXT
|
||||
#define THREAD_SET_CONTEXT 0x0010
|
||||
#endif
|
||||
#ifndef THREAD_IMPERSONATE
|
||||
#define THREAD_IMPERSONATE 0x0100
|
||||
#endif
|
||||
#ifndef THREAD_DIRECT_IMPERSONATION
|
||||
#define THREAD_DIRECT_IMPERSONATION 0x0200
|
||||
#endif
|
||||
#ifndef JOB_OBJECT_ASSIGN_PROCESS
|
||||
#define JOB_OBJECT_ASSIGN_PROCESS 0x0001
|
||||
#endif
|
||||
#ifndef JOB_OBJECT_TERMINATE
|
||||
#define JOB_OBJECT_TERMINATE 0x0008
|
||||
#endif
|
||||
#ifndef FILE_DISPOSITION_DELETE
|
||||
#define FILE_DISPOSITION_DELETE 0x00000001
|
||||
#endif
|
||||
#ifndef UINT
|
||||
typedef unsigned int UINT;
|
||||
#endif
|
||||
#define MAX_MBR_TARGETS 64
|
||||
|
||||
extern POBJECT_TYPE* PsJobType;
|
||||
extern volatile LONG g_LogWorkCount;
|
||||
extern BOOLEAN g_Unloading;
|
||||
extern KEVENT g_LogDrainEvent;
|
||||
extern KSPIN_LOCK g_ProtectLock;
|
||||
extern LARGE_INTEGER g_CmRegHandle;
|
||||
extern POBJECT_TYPE* IoDriverObjectType;
|
||||
extern POBJECT_TYPE* IoFileObjectType;
|
||||
extern FAST_MUTEX HookMutex;
|
||||
extern EX_RUNDOWN_REF g_Rundown;
|
||||
extern PDEVICE_OBJECT g_GuardDevice;
|
||||
extern PDRIVER_OBJECT g_DriverObject;
|
||||
extern PFLT_FILTER g_FilterHandle;
|
||||
|
||||
NTSYSAPI PCSTR NTAPI PsGetProcessImageFileName(PEPROCESS Process);
|
||||
|
||||
typedef PVOID(NTAPI* _pyas_ExAllocatePool2)(ULONG, SIZE_T, ULONG);
|
||||
typedef VOID(NTAPI* _pyas_ExFreePool2)(PVOID, ULONG, PVOID, ULONG);
|
||||
typedef PVOID(NTAPI* _pyas_ExAllocatePoolWithTag)(POOL_TYPE, SIZE_T, ULONG);
|
||||
typedef VOID(NTAPI* _pyas_ExFreePoolWithTag)(PVOID, ULONG);
|
||||
|
||||
static __forceinline PVOID PYAS_ExAllocatePool2(ULONG f, SIZE_T s, ULONG t) {
|
||||
static _pyas_ExAllocatePool2 p2 = 0;
|
||||
if (!p2) {
|
||||
UNICODE_STRING n = RTL_CONSTANT_STRING(L"ExAllocatePool2");
|
||||
p2 = (_pyas_ExAllocatePool2)MmGetSystemRoutineAddress(&n);
|
||||
}
|
||||
if (p2)
|
||||
return p2(f, s, t);
|
||||
static _pyas_ExAllocatePoolWithTag p1 = 0;
|
||||
if (!p1) {
|
||||
UNICODE_STRING n = RTL_CONSTANT_STRING(L"ExAllocatePoolWithTag");
|
||||
p1 = (_pyas_ExAllocatePoolWithTag)MmGetSystemRoutineAddress(&n);
|
||||
}
|
||||
if (p1)
|
||||
return p1((f & POOL_FLAG_NON_PAGED) ? NonPagedPoolNx : PagedPool, s, t);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static __forceinline VOID PYAS_ExFreePool2(PVOID a, ULONG t, PVOID h, ULONG f) {
|
||||
UNREFERENCED_PARAMETER(h);
|
||||
UNREFERENCED_PARAMETER(f);
|
||||
|
||||
static _pyas_ExFreePool2 p2 = 0;
|
||||
if (!p2) {
|
||||
UNICODE_STRING n = RTL_CONSTANT_STRING(L"ExFreePool2");
|
||||
p2 = (_pyas_ExFreePool2)MmGetSystemRoutineAddress(&n);
|
||||
}
|
||||
if (p2) {
|
||||
p2(a, t, h, f);
|
||||
return;
|
||||
}
|
||||
static _pyas_ExFreePoolWithTag p1 = 0;
|
||||
if (!p1) {
|
||||
UNICODE_STRING n = RTL_CONSTANT_STRING(L"ExFreePoolWithTag");
|
||||
p1 = (_pyas_ExFreePoolWithTag)MmGetSystemRoutineAddress(&n);
|
||||
}
|
||||
if (p1) {
|
||||
p1(a, t);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
#define ExAllocatePool2 PYAS_ExAllocatePool2
|
||||
#define ExFreePool2 PYAS_ExFreePool2
|
||||
|
||||
VOID DriverUnload(PDRIVER_OBJECT DriverObject);
|
||||
VOID SendPipeLog(PCSTR msg, SIZE_T len);
|
||||
VOID UninitImageProtect(VOID);
|
||||
VOID UninitInjectProtect(VOID);
|
||||
VOID UninitRemoteProtect(VOID);
|
||||
VOID UninitScreenProtect(VOID);
|
||||
VOID UninitProcessProtect(VOID);
|
||||
VOID UninitFileProtect(VOID);
|
||||
|
||||
VOID LogAnsi3(PCSTR tag, ULONG upid, PUNICODE_STRING s1, PUNICODE_STRING s2);
|
||||
|
||||
NTSYSAPI NTSTATUS NTAPI ZwQueryInformationProcess(
|
||||
_In_ HANDLE ProcessHandle,
|
||||
_In_ PROCESSINFOCLASS ProcessInformationClass,
|
||||
_Out_writes_bytes_opt_(ProcessInformationLength) PVOID ProcessInformation,
|
||||
_In_ ULONG ProcessInformationLength,
|
||||
_Out_opt_ PULONG ReturnLength
|
||||
);
|
||||
|
||||
NTSTATUS ObReferenceObjectByName(
|
||||
IN PUNICODE_STRING ObjectName,
|
||||
IN ULONG Attributes,
|
||||
IN PACCESS_STATE PassedAccessState OPTIONAL,
|
||||
IN ACCESS_MASK DesiredAccess OPTIONAL,
|
||||
IN POBJECT_TYPE ObjectType,
|
||||
IN KPROCESSOR_MODE AccessMode,
|
||||
IN OUT PVOID ParseContext OPTIONAL,
|
||||
OUT PVOID* Object
|
||||
);
|
||||
|
||||
NTSTATUS BootProtectDispatch(
|
||||
PDEVICE_OBJECT DeviceObject,
|
||||
PIRP Irp
|
||||
);
|
||||
|
||||
NTSTATUS RegistryProtectCallback(PVOID ctx, PVOID arg1, PVOID arg2);
|
||||
NTSTATUS InitImageProtect(VOID);
|
||||
NTSTATUS InitInjectProtect(VOID);
|
||||
NTSTATUS InitRemoteProtect(VOID);
|
||||
NTSTATUS InitScreenProtect(VOID);
|
||||
NTSTATUS InitProcessProtect(VOID);
|
||||
NTSTATUS InitFileProtect(VOID);
|
||||
|
||||
BOOLEAN GetProcessImagePathByPid(HANDLE pid, PUNICODE_STRING ProcessImagePath);
|
||||
@@ -0,0 +1,80 @@
|
||||
#include <ntifs.h>
|
||||
#include <ntstrsafe.h>
|
||||
#include "DriverEntry.h"
|
||||
|
||||
extern PDEVICE_OBJECT g_ControlDeviceObject;
|
||||
|
||||
typedef struct _PIPE_LOG_CTX {
|
||||
PIO_WORKITEM Item;
|
||||
SIZE_T Len;
|
||||
PCHAR Buf;
|
||||
}PIPE_LOG_CTX, * PPIPE_LOG_CTX;
|
||||
|
||||
static VOID PipeLogWork(PDEVICE_OBJECT DeviceObject, PVOID Context)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(DeviceObject);
|
||||
PPIPE_LOG_CTX ctx = (PPIPE_LOG_CTX)Context;
|
||||
HANDLE h = NULL;
|
||||
UNICODE_STRING name;
|
||||
OBJECT_ATTRIBUTES oa = { 0 };
|
||||
IO_STATUS_BLOCK iosb;
|
||||
|
||||
RtlInitUnicodeString(&name, PIPE_NAME);
|
||||
InitializeObjectAttributes(&oa, &name, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
|
||||
if (NT_SUCCESS(ZwCreateFile(&h, FILE_GENERIC_WRITE, &oa, &iosb, NULL, 0, 0, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0))) {
|
||||
ZwWriteFile(h, NULL, NULL, NULL, &iosb, ctx->Buf, (ULONG)(ctx->Len > 0xFFFFFFFF ? 0xFFFFFFFF : ctx->Len), NULL, NULL);
|
||||
ZwClose(h);
|
||||
}
|
||||
IoFreeWorkItem(ctx->Item);
|
||||
ExFreePool2(ctx->Buf, 'golP', NULL, 0);
|
||||
ExFreePool2(ctx, 'golP', NULL, 0);
|
||||
|
||||
if (InterlockedDecrement(&g_LogWorkCount) == 0) {
|
||||
KeSetEvent(&g_LogDrainEvent, IO_NO_INCREMENT, FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
VOID SendPipeLog(PCSTR msg, SIZE_T len)
|
||||
{
|
||||
if (!msg || len == 0)
|
||||
return;
|
||||
if (!g_ControlDeviceObject)
|
||||
return;
|
||||
if (g_Unloading)
|
||||
return;
|
||||
PPIPE_LOG_CTX ctx = (PPIPE_LOG_CTX)ExAllocatePool2(POOL_FLAG_NON_PAGED, sizeof(PIPE_LOG_CTX), 'golP');
|
||||
if (!ctx)
|
||||
return;
|
||||
ctx->Len = len;
|
||||
ctx->Buf = (PCHAR)ExAllocatePool2(POOL_FLAG_NON_PAGED, ctx->Len, 'golP');
|
||||
if (!ctx->Buf) {
|
||||
ExFreePool2(ctx, 'golP', NULL, 0);
|
||||
return;
|
||||
}
|
||||
RtlCopyMemory(ctx->Buf, msg, ctx->Len);
|
||||
ctx->Item = IoAllocateWorkItem(g_ControlDeviceObject);
|
||||
if (!ctx->Item) {
|
||||
ExFreePool2(ctx->Buf, 'golP', NULL, 0);
|
||||
ExFreePool2(ctx, 'golP', NULL, 0);
|
||||
return;
|
||||
}
|
||||
InterlockedIncrement(&g_LogWorkCount);
|
||||
IoQueueWorkItem(ctx->Item, PipeLogWork, DelayedWorkQueue, ctx);
|
||||
}
|
||||
|
||||
VOID LogAnsi3(PCSTR tag, ULONG upid, PUNICODE_STRING s1, PUNICODE_STRING s2)
|
||||
{
|
||||
ANSI_STRING a1 = { 0 }, a2 = { 0 };
|
||||
CHAR buf[1024] = { 0 };
|
||||
|
||||
if (s1)
|
||||
RtlUnicodeStringToAnsiString(&a1, s1, TRUE);
|
||||
if (s2)
|
||||
RtlUnicodeStringToAnsiString(&a2, s2, TRUE);
|
||||
|
||||
RtlStringCchPrintfA(buf, RTL_NUMBER_OF(buf), "%s | %u | %s | %s", tag, upid, a1.Buffer ? a1.Buffer : "", a2.Buffer ? a2.Buffer : "");
|
||||
SendPipeLog(buf, strlen(buf));
|
||||
|
||||
RtlFreeAnsiString(&a1);
|
||||
RtlFreeAnsiString(&a2);
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
[Version]
|
||||
Signature = "$WINDOWS NT$"
|
||||
Class = System
|
||||
ClassGuid = {4d36e97d-e325-11ce-bfc1-08002be10318}
|
||||
Provider = %ManufacturerName%
|
||||
CatalogFile = PYAS_Driver.cat
|
||||
PnpLockdown = 1
|
||||
DriverVer =
|
||||
|
||||
[DestinationDirs]
|
||||
DefaultDestDir = 13
|
||||
|
||||
[DefaultInstall.ntamd64]
|
||||
CopyFiles = @PYAS_Driver.sys
|
||||
AddService = PYAS_Driver,0x00000002
|
||||
|
||||
[SourceDisksFiles]
|
||||
PYAS_Driver.sys = 1
|
||||
|
||||
[SourceDisksNames]
|
||||
1 = %DiskName%,,,""
|
||||
|
||||
[Strings]
|
||||
ManufacturerName = "PYAS_Driver"
|
||||
DiskName = "PYAS_Driver"
|
||||
ServiceName="PYAS_Driver"
|
||||
ServiceDisplayName="PYAS_Driver"
|
||||
@@ -0,0 +1,175 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
#define PROTECTED_BOOT_AREA_SIZE (34 * 512)
|
||||
|
||||
static VOID GetExeNameForLog(HANDLE pid, PUNICODE_STRING exe)
|
||||
{
|
||||
if (!exe || !exe->Buffer || exe->MaximumLength == 0)
|
||||
return;
|
||||
|
||||
exe->Length = 0;
|
||||
if (KeGetCurrentIrql() == PASSIVE_LEVEL) {
|
||||
if (GetProcessImagePathByPid(pid, exe))
|
||||
return;
|
||||
}
|
||||
PEPROCESS eproc = PsGetCurrentProcess();
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
|
||||
for (size_t i = 0; i < l && i < (exe->MaximumLength / sizeof(WCHAR)) - 1; i++)
|
||||
exe->Buffer[i] = (WCHAR)n[i];
|
||||
exe->Buffer[l] = 0;
|
||||
exe->Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
|
||||
static BOOLEAN QueryDevName(PDEVICE_OBJECT dev, PUNICODE_STRING out)
|
||||
{
|
||||
if (KeGetCurrentIrql() > APC_LEVEL)
|
||||
return FALSE;
|
||||
|
||||
if (!dev || !out || !out->Buffer || out->MaximumLength == 0)
|
||||
return FALSE;
|
||||
|
||||
ULONG need = 0;
|
||||
NTSTATUS s = ObQueryNameString(dev, NULL, 0, &need);
|
||||
if (s != STATUS_INFO_LENGTH_MISMATCH || need == 0)
|
||||
return FALSE;
|
||||
|
||||
POBJECT_NAME_INFORMATION oni = (POBJECT_NAME_INFORMATION)ExAllocatePool2(POOL_FLAG_NON_PAGED, need, 'nOmD');
|
||||
if (!oni)
|
||||
return FALSE;
|
||||
|
||||
BOOLEAN ok = FALSE;
|
||||
s = ObQueryNameString(dev, oni, need, &need);
|
||||
if (NT_SUCCESS(s) && oni->Name.Buffer && oni->Name.Length && oni->Name.Length < out->MaximumLength) {
|
||||
RtlCopyMemory(out->Buffer, oni->Name.Buffer, oni->Name.Length);
|
||||
out->Length = (USHORT)oni->Name.Length;
|
||||
out->Buffer[out->Length / sizeof(WCHAR)] = 0;
|
||||
ok = TRUE;
|
||||
}
|
||||
ExFreePool2(oni, 'nOmD', NULL, 0);
|
||||
return ok;
|
||||
}
|
||||
|
||||
static BOOLEAN IsDangerousDiskIo(PIO_STACK_LOCATION s)
|
||||
{
|
||||
if (!s) return FALSE;
|
||||
|
||||
if (s->MajorFunction == IRP_MJ_DEVICE_CONTROL || s->MajorFunction == IRP_MJ_INTERNAL_DEVICE_CONTROL) {
|
||||
ULONG code = s->Parameters.DeviceIoControl.IoControlCode;
|
||||
if (code == IOCTL_DISK_SET_DRIVE_LAYOUT || code == IOCTL_DISK_SET_DRIVE_LAYOUT_EX) return TRUE;
|
||||
if (code == IOCTL_DISK_DELETE_DRIVE_LAYOUT) return TRUE;
|
||||
if (code == IOCTL_DISK_FORMAT_TRACKS || code == IOCTL_DISK_FORMAT_TRACKS_EX) return TRUE;
|
||||
if (code == IOCTL_DISK_SET_PARTITION_INFO || code == IOCTL_DISK_SET_PARTITION_INFO_EX) return TRUE;
|
||||
if (code == IOCTL_SCSI_PASS_THROUGH || code == IOCTL_SCSI_PASS_THROUGH_DIRECT) return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsBootSectorWrite(PIO_STACK_LOCATION s)
|
||||
{
|
||||
if (s->MajorFunction == IRP_MJ_WRITE) {
|
||||
LARGE_INTEGER offset = s->Parameters.Write.ByteOffset;
|
||||
if (offset.QuadPart < PROTECTED_BOOT_AREA_SIZE) {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
NTSTATUS BootProtectDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
|
||||
{
|
||||
PDEVICE_OBJECT lower = (PDEVICE_OBJECT)DeviceObject->DeviceExtension;
|
||||
if (!lower) {
|
||||
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
|
||||
Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_INVALID_DEVICE_REQUEST;
|
||||
}
|
||||
|
||||
if (!ExAcquireRundownProtection(&g_Rundown)) {
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
return IoCallDriver(lower, Irp);
|
||||
}
|
||||
|
||||
if (g_Unloading) {
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
NTSTATUS rs = IoCallDriver(lower, Irp);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return rs;
|
||||
}
|
||||
|
||||
PIO_STACK_LOCATION s = IoGetCurrentIrpStackLocation(Irp);
|
||||
|
||||
if (s->MajorFunction == IRP_MJ_POWER) {
|
||||
PoStartNextPowerIrp(Irp);
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
NTSTATUS ps = PoCallDriver(lower, Irp);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return ps;
|
||||
}
|
||||
|
||||
HANDLE pid = PsGetCurrentProcessId();
|
||||
ULONG upid = (ULONG)(ULONG_PTR)pid;
|
||||
|
||||
if (upid == 0 || upid == 4) {
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
NTSTATUS ns = IoCallDriver(lower, Irp);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return ns;
|
||||
}
|
||||
|
||||
BOOLEAN blocked = FALSE;
|
||||
WCHAR eb[512] = { 0 };
|
||||
UNICODE_STRING exe = { 0 };
|
||||
exe.Buffer = eb;
|
||||
exe.MaximumLength = sizeof(eb);
|
||||
|
||||
if (KeGetCurrentIrql() == PASSIVE_LEVEL) {
|
||||
GetExeNameForLog(pid, &exe);
|
||||
if (IsWhitelist(&exe)) {
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
NTSTATUS ns2 = IoCallDriver(lower, Irp);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return ns2;
|
||||
}
|
||||
}
|
||||
|
||||
if (lower->DeviceType == FILE_DEVICE_DISK) {
|
||||
if (IsDangerousDiskIo(s)) {
|
||||
blocked = TRUE;
|
||||
}
|
||||
|
||||
if (!blocked && IsBootSectorWrite(s)) {
|
||||
blocked = TRUE;
|
||||
}
|
||||
|
||||
if (blocked) {
|
||||
if (KeGetCurrentIrql() <= APC_LEVEL) {
|
||||
WCHAR db[512] = { 0 };
|
||||
UNICODE_STRING dev = { 0 };
|
||||
dev.Buffer = db;
|
||||
dev.MaximumLength = sizeof(db);
|
||||
QueryDevName(lower, &dev);
|
||||
|
||||
LogAnsi3("BOOT_BLOCK", upid, &exe, dev.Length ? &dev : &exe);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (blocked) {
|
||||
Irp->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Irp->IoStatus.Information = 0;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return STATUS_ACCESS_DENIED;
|
||||
}
|
||||
|
||||
IoSkipCurrentIrpStackLocation(Irp);
|
||||
NTSTATUS rs2 = IoCallDriver(lower, Irp);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return rs2;
|
||||
}
|
||||
@@ -0,0 +1,322 @@
|
||||
#include <ntifs.h>
|
||||
#include <fltKernel.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
#pragma comment(lib, "FltMgr.lib")
|
||||
|
||||
PFLT_FILTER g_FilterHandle = NULL;
|
||||
extern PDRIVER_OBJECT g_DriverObject;
|
||||
EX_RUNDOWN_REF g_Rundown;
|
||||
|
||||
// 定義標誌以便在不同 IRQL 下安全操作
|
||||
#define MAX_PATH_LEN 512
|
||||
|
||||
// 獲取進程名稱 (僅在確定需要攔截時調用,減少性能開銷)
|
||||
static VOID GetExeNameSafe(HANDLE pid, PUNICODE_STRING exe)
|
||||
{
|
||||
if (!exe || !exe->Buffer || !exe->MaximumLength)
|
||||
return;
|
||||
|
||||
exe->Length = 0;
|
||||
|
||||
// 嘗試獲取短名稱 (最安全)
|
||||
PEPROCESS cur = PsGetCurrentProcess();
|
||||
PCSTR n = NULL;
|
||||
if (cur) n = PsGetProcessImageFileName(cur);
|
||||
|
||||
// 如果在 PASSIVE_LEVEL,嘗試獲取完整路徑 (用於精確白名單)
|
||||
// 注意:這裡依然有風險,但僅在攔截路徑執行
|
||||
if (KeGetCurrentIrql() == PASSIVE_LEVEL) {
|
||||
if (GetProcessImagePathByPid(pid, exe)) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// 降級方案:使用短名稱
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
for (size_t i = 0; i < l && i < (exe->MaximumLength / sizeof(WCHAR)) - 1; i++)
|
||||
exe->Buffer[i] = (WCHAR)n[i];
|
||||
exe->Buffer[l] = 0;
|
||||
exe->Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
|
||||
static BOOLEAN PreOpCheck(VOID)
|
||||
{
|
||||
if (g_Unloading)
|
||||
return FALSE;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return FALSE;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static VOID PostOpRelease(VOID)
|
||||
{
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
}
|
||||
|
||||
static BOOLEAN IsDeleteOrRename(PFLT_CALLBACK_DATA Data)
|
||||
{
|
||||
FILE_INFORMATION_CLASS infoClass = Data->Iopb->Parameters.SetFileInformation.FileInformationClass;
|
||||
|
||||
if (infoClass == FileDispositionInformation) {
|
||||
PFILE_DISPOSITION_INFORMATION di = (PFILE_DISPOSITION_INFORMATION)Data->Iopb->Parameters.SetFileInformation.InfoBuffer;
|
||||
return di && di->DeleteFile;
|
||||
}
|
||||
if (infoClass == FileDispositionInformationEx) {
|
||||
PFILE_DISPOSITION_INFORMATION_EX dx = (PFILE_DISPOSITION_INFORMATION_EX)Data->Iopb->Parameters.SetFileInformation.InfoBuffer;
|
||||
return dx && (dx->Flags & FILE_DISPOSITION_DELETE);
|
||||
}
|
||||
if (infoClass == FileRenameInformation || infoClass == FileRenameInformationEx)
|
||||
return TRUE;
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN IsWriteAccess(PFLT_CALLBACK_DATA Data)
|
||||
{
|
||||
// 如果是寫入操作,直接返回
|
||||
if (Data->Iopb->MajorFunction == IRP_MJ_WRITE)
|
||||
return TRUE;
|
||||
|
||||
// 如果是設置信息 (已經通過 IsDeleteOrRename 過濾),視為寫入(修改元數據)
|
||||
if (Data->Iopb->MajorFunction == IRP_MJ_SET_INFORMATION)
|
||||
return TRUE;
|
||||
|
||||
// 如果是創建/打開文件,檢查權限
|
||||
if (Data->Iopb->MajorFunction == IRP_MJ_CREATE) {
|
||||
ULONG access = Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess;
|
||||
// 檢查是否包含寫入數據、追加數據、刪除、修改屬性等權限
|
||||
if (access & (FILE_WRITE_DATA | FILE_APPEND_DATA | DELETE |
|
||||
WRITE_DAC | WRITE_OWNER | GENERIC_WRITE | GENERIC_ALL)) {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static FLT_PREOP_CALLBACK_STATUS FilePreOp(
|
||||
_Inout_ PFLT_CALLBACK_DATA Data,
|
||||
_In_ PCFLT_RELATED_OBJECTS FltObjects,
|
||||
_Flt_CompletionContext_Outptr_ PVOID* CompletionContext
|
||||
)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(CompletionContext);
|
||||
|
||||
// 1. 基礎檢查 (Paging IO 不攔截)
|
||||
if (FlagOn(Data->Iopb->IrpFlags, IRP_PAGING_IO)) {
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
if (!PreOpCheck())
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
// 2. 獲取 PID
|
||||
HANDLE pid = PsGetCurrentProcessId();
|
||||
ULONG upid = (ULONG)(ULONG_PTR)pid;
|
||||
|
||||
// 忽略 System (4) 和 Idle (0) 進程,避免系統崩潰
|
||||
if (upid == 0 || upid == 4) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// 3. 檢查操作類型 (僅關心 Create, Write, SetInfo)
|
||||
BOOLEAN checkFile = (Data->Iopb->MajorFunction == IRP_MJ_CREATE || Data->Iopb->MajorFunction == IRP_MJ_WRITE);
|
||||
BOOLEAN checkSetInfo = (Data->Iopb->MajorFunction == IRP_MJ_SET_INFORMATION);
|
||||
|
||||
if (!checkFile && !checkSetInfo) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
if (checkSetInfo && !IsDeleteOrRename(Data)) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// 4. 獲取文件名 (這一步最關鍵)
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
// 使用 QUERY_DEFAULT | NORMALIZED 確保獲取標準化路徑
|
||||
NTSTATUS status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
|
||||
if (!NT_SUCCESS(status)) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// 5. 邏輯判斷 (優化順序:文件名白名單 -> 黑名單 -> 操作檢查 -> 進程白名單)
|
||||
|
||||
// A. 全局文件白名單 (例如 Windows 目錄下的某些操作)
|
||||
if (IsWhitelist(&nameInfo->Name)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// B. 黑名單匹配
|
||||
BOOLEAN hitFile = MatchBlockFile(&nameInfo->Name);
|
||||
// 勒索防護:必須在敏感目錄 且 有敏感後綴 (如 .txt, .doc)
|
||||
// 註:Updater.bat 產生 .txt,應命中這裡
|
||||
BOOLEAN hitRansom = MatchBlockRansom(&nameInfo->Name) && HasBlockedSuffix(&nameInfo->Name);
|
||||
|
||||
// 如果沒有命中任何規則,直接放行,節省資源
|
||||
if (!hitFile && !hitRansom) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// C. 檢查是否為寫入行為 (讀取不攔截)
|
||||
if (!IsWriteAccess(Data)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// D. 到了這裡,說明命中規則且正在寫入,準備攔截
|
||||
// 這時候才去獲取進程名稱,檢查進程白名單
|
||||
WCHAR exe_buffer[MAX_PATH_LEN] = { 0 };
|
||||
UNICODE_STRING exe = { 0 };
|
||||
exe.Buffer = exe_buffer;
|
||||
exe.MaximumLength = sizeof(exe_buffer);
|
||||
|
||||
GetExeNameSafe(pid, &exe); // 獲取進程名
|
||||
|
||||
if (IsWhitelistExcept(&exe)) {
|
||||
// 進程在白名單中 (如 ntoskrnl, explorer 等)
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
// E. 執行攔截
|
||||
if (hitRansom) {
|
||||
LogAnsi3("RANSOM_BLOCK", upid, &exe, &nameInfo->Name);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Data->IoStatus.Information = 0;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
|
||||
if (hitFile) {
|
||||
LogAnsi3("FILE_BLOCK", upid, &exe, &nameInfo->Name);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Data->IoStatus.Information = 0;
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
|
||||
// 默認放行
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
static NTSTATUS FilterUnloadCallback(FLT_FILTER_UNLOAD_FLAGS Flags)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
g_Unloading = TRUE;
|
||||
ExWaitForRundownProtectionRelease(&g_Rundown);
|
||||
if (g_FilterHandle != NULL) {
|
||||
FltUnregisterFilter(g_FilterHandle);
|
||||
g_FilterHandle = NULL;
|
||||
}
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static NTSTATUS FilterInstanceSetup(
|
||||
_In_ PCFLT_RELATED_OBJECTS FltObjects,
|
||||
_In_ FLT_INSTANCE_SETUP_FLAGS Flags,
|
||||
_In_ DEVICE_TYPE VolumeDeviceType,
|
||||
_In_ FLT_FILESYSTEM_TYPE VolumeFilesystemType
|
||||
)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
UNREFERENCED_PARAMETER(VolumeDeviceType);
|
||||
UNREFERENCED_PARAMETER(VolumeFilesystemType);
|
||||
// 自動附加到所有卷
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static VOID FilterInstanceTeardownStart(
|
||||
_In_ PCFLT_RELATED_OBJECTS FltObjects,
|
||||
_In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags
|
||||
)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
}
|
||||
|
||||
static VOID FilterInstanceTeardownComplete(
|
||||
_In_ PCFLT_RELATED_OBJECTS FltObjects,
|
||||
_In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags
|
||||
)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(FltObjects);
|
||||
UNREFERENCED_PARAMETER(Flags);
|
||||
}
|
||||
|
||||
const FLT_OPERATION_REGISTRATION Callbacks[] = {
|
||||
{ IRP_MJ_CREATE, 0, FilePreOp, NULL },
|
||||
{ IRP_MJ_WRITE, 0, FilePreOp, NULL },
|
||||
{ IRP_MJ_SET_INFORMATION, 0, FilePreOp, NULL },
|
||||
{ IRP_MJ_OPERATION_END }
|
||||
};
|
||||
|
||||
const FLT_REGISTRATION FilterRegistration = {
|
||||
sizeof(FLT_REGISTRATION),
|
||||
FLT_REGISTRATION_VERSION,
|
||||
0,
|
||||
NULL,
|
||||
Callbacks,
|
||||
FilterUnloadCallback,
|
||||
FilterInstanceSetup,
|
||||
NULL,
|
||||
FilterInstanceTeardownStart,
|
||||
FilterInstanceTeardownComplete,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
NTSTATUS InitFileProtect(VOID)
|
||||
{
|
||||
ExInitializeRundownProtection(&g_Rundown);
|
||||
|
||||
if (!g_DriverObject)
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
|
||||
NTSTATUS status = FltRegisterFilter(g_DriverObject, &FilterRegistration, &g_FilterHandle);
|
||||
if (!NT_SUCCESS(status))
|
||||
return status;
|
||||
|
||||
status = FltStartFiltering(g_FilterHandle);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
FltUnregisterFilter(g_FilterHandle);
|
||||
g_FilterHandle = NULL;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
VOID UninitFileProtect(VOID)
|
||||
{
|
||||
g_Unloading = TRUE;
|
||||
ExWaitForRundownProtectionRelease(&g_Rundown);
|
||||
if (g_FilterHandle != NULL) {
|
||||
FltUnregisterFilter(g_FilterHandle);
|
||||
g_FilterHandle = NULL;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,124 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static BOOLEAN g_ImageNotifyEnabled = FALSE;
|
||||
|
||||
static BOOLEAN CheckVadExec(PVOID a)
|
||||
{
|
||||
MEMORY_BASIC_INFORMATION mbi = { 0 };
|
||||
SIZE_T ret = 0;
|
||||
NTSTATUS s = ZwQueryVirtualMemory(NtCurrentProcess(), a, MemoryBasicInformation, &mbi, sizeof(mbi), &ret);
|
||||
|
||||
if (!NT_SUCCESS(s))
|
||||
return FALSE;
|
||||
if (mbi.State != MEM_COMMIT)
|
||||
return FALSE;
|
||||
if (mbi.Type == SEC_IMAGE)
|
||||
return FALSE;
|
||||
if (mbi.Type != MEM_PRIVATE && mbi.Type != MEM_MAPPED)
|
||||
return FALSE;
|
||||
return (mbi.Protect & (PAGE_EXECUTE | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY)) != 0;
|
||||
}
|
||||
|
||||
static BOOLEAN WalkForShellcode(ULONG h)
|
||||
{
|
||||
#define MAXWALK 20
|
||||
PVOID frames[MAXWALK] = { 0 };
|
||||
ULONG c = RtlWalkFrameChain(frames, MAXWALK, 1);
|
||||
if (c == 0)
|
||||
return FALSE;
|
||||
|
||||
ULONG limit = RTL_NUMBER_OF(frames);
|
||||
ULONG count = c < limit ? c : limit;
|
||||
ULONG d = h < count ? h : count;
|
||||
|
||||
for (ULONG i = 0; i < d; i++) {
|
||||
PVOID p = frames[i];
|
||||
if (p && CheckVadExec(p))
|
||||
return TRUE;
|
||||
}
|
||||
for (ULONG i = 0; i < d; i++) {
|
||||
ULONG idx = count - 1 - i;
|
||||
if (idx >= d) {
|
||||
PVOID p = frames[idx];
|
||||
if (p && CheckVadExec(p))
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static VOID ImageLoadNotify(IN PUNICODE_STRING FullImageName, IN HANDLE ProcessId, IN PIMAGE_INFO ImageInfo)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(ImageInfo);
|
||||
if (g_Unloading)
|
||||
return;
|
||||
if (ProcessId == (HANDLE)0 || ProcessId == (HANDLE)4)
|
||||
return;
|
||||
if (KeGetCurrentIrql() != PASSIVE_LEVEL)
|
||||
return;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return;
|
||||
|
||||
WCHAR eb[512] = { 0 };
|
||||
UNICODE_STRING exe = { 0 };
|
||||
exe.Buffer = eb;
|
||||
exe.MaximumLength = sizeof(eb);
|
||||
exe.Length = 0;
|
||||
|
||||
if (!GetProcessImagePathByPid(ProcessId, &exe)) {
|
||||
PEPROCESS eproc = PsGetCurrentProcess();
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
for (size_t i = 0; i < l && i < RTL_NUMBER_OF(eb) - 1; i++)
|
||||
eb[i] = (WCHAR)n[i];
|
||||
eb[l] = 0;
|
||||
exe.Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
if (exe.Length & 1) exe.Length--;
|
||||
|
||||
{
|
||||
size_t elen = exe.Length / sizeof(WCHAR);
|
||||
if ((elen >= 14 && _wcsnicmp(exe.Buffer + elen - 14, L"powershell.exe", 14) == 0) ||
|
||||
(elen >= 8 && _wcsnicmp(exe.Buffer + elen - 8, L"pwsh.exe", 8) == 0) ||
|
||||
(elen >= 10 && _wcsnicmp(exe.Buffer + elen - 10, L"sppsvc.exe", 10) == 0)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (IsWhitelist(&exe)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
if (FullImageName && FullImageName->Buffer) {
|
||||
if (MatchClrFromNonFramework(FullImageName)) {
|
||||
LogAnsi3("CLR_BLOCK", (ULONG)(ULONG_PTR)ProcessId, &exe, FullImageName);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (WalkForShellcode(8)) {
|
||||
UNICODE_STRING none = RTL_CONSTANT_STRING(L"None");
|
||||
LogAnsi3("SHELLCODE_BLOCK", (ULONG)(ULONG_PTR)ProcessId, &exe, &none);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
}
|
||||
|
||||
NTSTATUS InitImageProtect(VOID)
|
||||
{
|
||||
NTSTATUS s = PsSetLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
if (NT_SUCCESS(s))
|
||||
g_ImageNotifyEnabled = TRUE;
|
||||
return s;
|
||||
}
|
||||
|
||||
VOID UninitImageProtect(VOID)
|
||||
{
|
||||
if (g_ImageNotifyEnabled) {
|
||||
PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
g_ImageNotifyEnabled = FALSE;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,177 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static PVOID g_ObRegHandle = NULL;
|
||||
static POB_OPERATION_REGISTRATION g_ObOps = NULL;
|
||||
static OB_CALLBACK_REGISTRATION g_ObReg = { 0 };
|
||||
|
||||
static OB_PREOP_CALLBACK_STATUS PreProcessCallback(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION Info)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(RegistrationContext);
|
||||
if (g_Unloading)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (!Info || Info->KernelHandle)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (!Info->Object)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (Info->Operation != OB_OPERATION_HANDLE_CREATE && Info->Operation != OB_OPERATION_HANDLE_DUPLICATE)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return OB_PREOP_SUCCESS;
|
||||
|
||||
HANDLE cur = PsGetCurrentProcessId();
|
||||
if (cur == (HANDLE)0 || cur == (HANDLE)4) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
HANDLE target = PsGetProcessId((PEPROCESS)Info->Object);
|
||||
if (target == cur) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
ACCESS_MASK* desired = (Info->Operation == OB_OPERATION_HANDLE_CREATE) ? &Info->Parameters->CreateHandleInformation.DesiredAccess : &Info->Parameters->DuplicateHandleInformation.DesiredAccess;
|
||||
ACCESS_MASK mask = PROCESS_CREATE_THREAD | PROCESS_VM_OPERATION | PROCESS_VM_WRITE;
|
||||
PCSTR tn = PsGetProcessImageFileName((PEPROCESS)Info->Object);
|
||||
if (tn && (_stricmp(tn, "lsass.exe") == 0))
|
||||
mask |= PROCESS_VM_READ;
|
||||
|
||||
if ((*desired & mask) == 0) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
BOOLEAN logok = (KeGetCurrentIrql() == PASSIVE_LEVEL);
|
||||
WCHAR cbuf[512] = { 0 }, tbuf[512] = { 0 };
|
||||
UNICODE_STRING cexe = { 0 }, texe = { 0 };
|
||||
cexe.Buffer = cbuf; cexe.MaximumLength = sizeof(cbuf);
|
||||
texe.Buffer = tbuf; texe.MaximumLength = sizeof(tbuf);
|
||||
|
||||
if (logok)
|
||||
GetProcessImagePathByPid(cur, &cexe);
|
||||
if (logok && IsWhitelist(&cexe)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
ACCESS_MASK old = *desired;
|
||||
*desired &= ~mask;
|
||||
if ((*desired) != old && logok) {
|
||||
GetProcessImagePathByPid(target, &texe);
|
||||
if (cexe.Length == 0) {
|
||||
PEPROCESS eproc = PsGetCurrentProcess();
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
for (size_t i = 0; i < l && i < RTL_NUMBER_OF(cbuf) - 1; i++)
|
||||
cbuf[i] = (WCHAR)n[i];
|
||||
cbuf[l] = 0;
|
||||
cexe.Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
LogAnsi3("INJECT_BLOCK", (ULONG)(ULONG_PTR)cur, &cexe, &texe);
|
||||
}
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
|
||||
static OB_PREOP_CALLBACK_STATUS PreThreadCallback(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION Info)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(RegistrationContext);
|
||||
if (!Info || Info->KernelHandle)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (Info->Object == NULL)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (Info->Operation != OB_OPERATION_HANDLE_CREATE && Info->Operation != OB_OPERATION_HANDLE_DUPLICATE)
|
||||
return OB_PREOP_SUCCESS;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return OB_PREOP_SUCCESS;
|
||||
|
||||
HANDLE cur = PsGetCurrentProcessId();
|
||||
if (cur == (HANDLE)0 || cur == (HANDLE)4) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
HANDLE owner = PsGetThreadProcessId((PETHREAD)Info->Object);
|
||||
if (owner == cur) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
ACCESS_MASK tmask = THREAD_SET_CONTEXT | THREAD_SUSPEND_RESUME | THREAD_IMPERSONATE | THREAD_DIRECT_IMPERSONATION;
|
||||
ACCESS_MASK* desired = (Info->Operation == OB_OPERATION_HANDLE_CREATE) ? &Info->Parameters->CreateHandleInformation.DesiredAccess : &Info->Parameters->DuplicateHandleInformation.DesiredAccess;
|
||||
if ((*desired & tmask) == 0) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
BOOLEAN logok = (KeGetCurrentIrql() == PASSIVE_LEVEL);
|
||||
WCHAR cbuf[512] = { 0 };
|
||||
UNICODE_STRING cexe = { 0 };
|
||||
cexe.Buffer = cbuf;
|
||||
cexe.MaximumLength = sizeof(cbuf);
|
||||
|
||||
if (logok)
|
||||
GetProcessImagePathByPid(cur, &cexe);
|
||||
if (logok && IsWhitelist(&cexe)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
ACCESS_MASK old = *desired;
|
||||
*desired &= ~tmask;
|
||||
if ((*desired) != old && logok) {
|
||||
if (cexe.Length == 0) {
|
||||
PEPROCESS eproc = PsGetCurrentProcess();
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
for (size_t i = 0; i < l && i < RTL_NUMBER_OF(cbuf) - 1; i++)
|
||||
cbuf[i] = (WCHAR)n[i];
|
||||
cbuf[l] = 0;
|
||||
cexe.Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
UNICODE_STRING tnone = RTL_CONSTANT_STRING(L"None");
|
||||
LogAnsi3("THREAD_BLOCK", (ULONG)(ULONG_PTR)cur, &cexe, &tnone);
|
||||
}
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS InitInjectProtect(VOID)
|
||||
{
|
||||
static UNICODE_STRING obAlt;
|
||||
RtlInitUnicodeString(&obAlt, L"385000");
|
||||
|
||||
g_ObOps = (POB_OPERATION_REGISTRATION)ExAllocatePool2(POOL_FLAG_NON_PAGED, sizeof(OB_OPERATION_REGISTRATION) * 2, 'bOpr');
|
||||
if (!g_ObOps)
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
|
||||
RtlZeroMemory(g_ObOps, sizeof(OB_OPERATION_REGISTRATION) * 2);
|
||||
g_ObOps[0].ObjectType = PsProcessType;
|
||||
g_ObOps[0].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
|
||||
g_ObOps[0].PreOperation = PreProcessCallback;
|
||||
g_ObOps[1].ObjectType = PsThreadType;
|
||||
g_ObOps[1].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
|
||||
g_ObOps[1].PreOperation = PreThreadCallback;
|
||||
|
||||
RtlZeroMemory(&g_ObReg, sizeof(g_ObReg));
|
||||
g_ObReg.Version = OB_FLT_REGISTRATION_VERSION;
|
||||
g_ObReg.OperationRegistrationCount = 2;
|
||||
g_ObReg.Altitude = obAlt;
|
||||
g_ObReg.RegistrationContext = NULL;
|
||||
g_ObReg.OperationRegistration = g_ObOps;
|
||||
|
||||
NTSTATUS s = ObRegisterCallbacks(&g_ObReg, &g_ObRegHandle);
|
||||
if (!NT_SUCCESS(s)) {
|
||||
ExFreePool2(g_ObOps, 'bOpr', NULL, 0);
|
||||
g_ObOps = NULL;
|
||||
RtlZeroMemory(&g_ObReg, sizeof(g_ObReg));
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
VOID UninitInjectProtect(VOID)
|
||||
{
|
||||
if (g_ObRegHandle) {
|
||||
ObUnRegisterCallbacks(g_ObRegHandle);
|
||||
g_ObRegHandle = NULL;
|
||||
}
|
||||
if (g_ObOps) {
|
||||
ExFreePool2(g_ObOps, 'bOpr', NULL, 0);
|
||||
g_ObOps = NULL;
|
||||
}
|
||||
RtlZeroMemory(&g_ObReg, sizeof(g_ObReg));
|
||||
}
|
||||
@@ -0,0 +1,348 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectRules.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static __forceinline BOOLEAN USOK(PUNICODE_STRING s)
|
||||
{
|
||||
return s && s->Buffer && s->Length;
|
||||
}
|
||||
|
||||
static BOOLEAN WildMatchN(const wchar_t* str, SIZE_T n, const wchar_t* pat)
|
||||
{
|
||||
if (*pat == 0)
|
||||
return n == 0;
|
||||
|
||||
if (*pat == L'*') {
|
||||
if (pat[1] == L'*') {
|
||||
for (SIZE_T i = 0; i <= n; ++i)
|
||||
if (WildMatchN(str + i, n - i, pat + 2))
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
SIZE_T i = 0;
|
||||
for (; i < n && str[i] != L'\\'; ++i)
|
||||
if (WildMatchN(str + i, n - i, pat + 1))
|
||||
return TRUE;
|
||||
return WildMatchN(str + i, n - i, pat + 1);
|
||||
}
|
||||
if (*pat == L'?')
|
||||
return n > 0 && str[0] != L'\\' && WildMatchN(str + 1, n - 1, pat + 1);
|
||||
if (n == 0)
|
||||
return FALSE;
|
||||
|
||||
WCHAR sc = str[0], pc = *pat;
|
||||
if (sc >= L'A' && sc <= L'Z')
|
||||
sc += 32;
|
||||
if (pc >= L'A' && pc <= L'Z')
|
||||
pc += 32;
|
||||
return sc == pc && WildMatchN(str + 1, n - 1, pat + 1);
|
||||
}
|
||||
|
||||
static BOOLEAN MatchList(PUNICODE_STRING s, wchar_t** list)
|
||||
{
|
||||
if (!USOK(s) || !list)
|
||||
return FALSE;
|
||||
|
||||
SIZE_T s_len = s->Length / sizeof(WCHAR);
|
||||
for (SIZE_T i = 0; list[i]; ++i) {
|
||||
wchar_t* pat = list[i];
|
||||
if (wcschr(pat, L'*') || wcschr(pat, L'?')) {
|
||||
if (WildMatchN(s->Buffer, s_len, pat))
|
||||
return TRUE;
|
||||
}
|
||||
else {
|
||||
SIZE_T pat_len = wcslen(pat);
|
||||
if (s_len >= pat_len && _wcsnicmp(s->Buffer, pat, pat_len) == 0) {
|
||||
if (s_len == pat_len || s->Buffer[s_len - pat_len - 1] == L'\\') {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
if (s_len >= pat_len && _wcsnicmp(s->Buffer + s_len - pat_len, pat, pat_len) == 0) {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static wchar_t* MatchListGetRule(PUNICODE_STRING s, wchar_t** list)
|
||||
{
|
||||
if (!USOK(s) || !list)
|
||||
return 0;
|
||||
|
||||
SIZE_T s_len = s->Length / sizeof(WCHAR);
|
||||
for (SIZE_T i = 0; list[i]; ++i) {
|
||||
wchar_t* pat = list[i];
|
||||
if (wcschr(pat, L'*') || wcschr(pat, L'?')) {
|
||||
if (WildMatchN(s->Buffer, s_len, pat))
|
||||
return pat;
|
||||
}
|
||||
else {
|
||||
SIZE_T pat_len = wcslen(pat);
|
||||
if (s_len >= pat_len && _wcsnicmp(s->Buffer, pat, pat_len) == 0) {
|
||||
if (s_len == pat_len || s->Buffer[s_len - pat_len - 1] == L'\\') {
|
||||
return pat;
|
||||
}
|
||||
}
|
||||
if (s_len >= pat_len && _wcsnicmp(s->Buffer + s_len - pat_len, pat, pat_len) == 0) {
|
||||
return pat;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static BOOLEAN StrStrIW(const wchar_t* s, const wchar_t* sub)
|
||||
{
|
||||
if (!s || !sub)
|
||||
return FALSE;
|
||||
|
||||
SIZE_T n = wcslen(s), m = wcslen(sub);
|
||||
if (m == 0 || n < m)
|
||||
return FALSE;
|
||||
|
||||
for (SIZE_T i = 0; i + m <= n; i++) {
|
||||
if (_wcsnicmp(s + i, sub, m) == 0)
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static BOOLEAN EndsWithNameUS(PUNICODE_STRING s, const wchar_t* name)
|
||||
{
|
||||
if (!USOK(s) || !name)
|
||||
return FALSE;
|
||||
|
||||
SIZE_T n = s->Length / sizeof(WCHAR);
|
||||
SIZE_T m = wcslen(name);
|
||||
return n >= m && _wcsnicmp(s->Buffer + (n - m), name, m) == 0;
|
||||
}
|
||||
|
||||
BOOLEAN IsRegistryBlock(PUNICODE_STRING key, PUNICODE_STRING valueName, PUNICODE_STRING exe)
|
||||
{
|
||||
if (USOK(key) && WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet001\\Services\\**"))
|
||||
return FALSE;
|
||||
|
||||
if (USOK(exe) && IsWhitelist(exe))
|
||||
return FALSE;
|
||||
|
||||
if (USOK(exe) && USOK(key)) {
|
||||
if ((EndsWithNameUS(exe, L"services.exe") || EndsWithNameUS(exe, L"svchost.exe") || EndsWithNameUS(exe, L"sc.exe")) &&
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\SYSTEM\\CurrentControlSet\\Services\\**"))
|
||||
return FALSE;
|
||||
|
||||
if ((EndsWithNameUS(exe, L"powershell.exe") || EndsWithNameUS(exe, L"pwsh.exe")) &&
|
||||
(WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Internet Settings\\ZoneMap\\**") ||
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Internet Settings\\ZoneMap") ||
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Notifications\\Data\\**") ||
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Notifications\\Data")))
|
||||
return FALSE;
|
||||
|
||||
if ((EndsWithNameUS(exe, L"msiexec.exe") || EndsWithNameUS(exe, L"TrustedInstaller.exe")) &&
|
||||
(WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Installer\\**") ||
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\CurrentVersion\\Uninstall\\**") ||
|
||||
WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\SYSTEM\\CurrentControlSet\\Services\\**")))
|
||||
return FALSE;
|
||||
|
||||
if (EndsWithNameUS(exe, L"schtasks.exe") && WildMatchN(key->Buffer, key->Length / sizeof(WCHAR), L"\\REGISTRY\\**\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\**"))
|
||||
return FALSE;
|
||||
}
|
||||
if (USOK(key) && MatchBlockReg(key))
|
||||
return TRUE;
|
||||
|
||||
if (USOK(valueName)) {
|
||||
for (SIZE_T i = 0; g_BlockReg[i]; ++i) {
|
||||
wchar_t* pat = g_BlockReg[i];
|
||||
if (!wcschr(pat, L'\\') && !wcschr(pat, L'*') && !wcschr(pat, L'?') && _wcsnicmp(valueName->Buffer, pat, wcslen(pat)) == 0)
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN GetProcessImagePathByPid(HANDLE pid, PUNICODE_STRING ProcessImagePath)
|
||||
{
|
||||
PEPROCESS process = NULL;
|
||||
PVOID buf = NULL;
|
||||
HANDLE h = NULL;
|
||||
NTSTATUS status;
|
||||
ULONG len = 0;
|
||||
|
||||
status = PsLookupProcessByProcessId(pid, &process);
|
||||
if (!NT_SUCCESS(status))
|
||||
return FALSE;
|
||||
|
||||
status = ObOpenObjectByPointer(process, OBJ_KERNEL_HANDLE, NULL, PROCESS_QUERY_LIMITED_INFORMATION, *PsProcessType, KernelMode, &h);
|
||||
if (!NT_SUCCESS(status))
|
||||
goto cleanup;
|
||||
|
||||
status = ZwQueryInformationProcess(h, ProcessImageFileName, NULL, 0, &len);
|
||||
if (status != STATUS_INFO_LENGTH_MISMATCH || len == 0)
|
||||
goto cleanup;
|
||||
|
||||
buf = ExAllocatePool2(POOL_FLAG_NON_PAGED, len, 'iPgN');
|
||||
if (!buf)
|
||||
goto cleanup;
|
||||
|
||||
status = ZwQueryInformationProcess(h, ProcessImageFileName, buf, len, &len);
|
||||
if (NT_SUCCESS(status)) {
|
||||
PUNICODE_STRING image = (PUNICODE_STRING)buf;
|
||||
if (image->Buffer && image->Length > 0 && ProcessImagePath->MaximumLength >= image->Length + sizeof(WCHAR)) {
|
||||
RtlCopyMemory(ProcessImagePath->Buffer, image->Buffer, image->Length);
|
||||
ProcessImagePath->Length = image->Length;
|
||||
ProcessImagePath->Buffer[image->Length / sizeof(WCHAR)] = 0;
|
||||
status = TRUE;
|
||||
}
|
||||
else {
|
||||
status = FALSE;
|
||||
}
|
||||
}
|
||||
else {
|
||||
status = FALSE;
|
||||
}
|
||||
cleanup:
|
||||
if (buf)
|
||||
ExFreePool2(buf, 'iPgN', NULL, 0);
|
||||
if (h)
|
||||
ZwClose(h);
|
||||
if (process)
|
||||
ObDereferenceObject(process);
|
||||
return NT_SUCCESS(status);
|
||||
}
|
||||
|
||||
BOOLEAN IsWhitelist(PUNICODE_STRING s)
|
||||
{
|
||||
if (MatchList(s, g_WhitelistExcept))
|
||||
return FALSE;
|
||||
return MatchList(s, g_Whitelist);
|
||||
}
|
||||
|
||||
BOOLEAN MatchBlockReg(PUNICODE_STRING s)
|
||||
{
|
||||
return MatchList(s, g_BlockReg);
|
||||
}
|
||||
|
||||
wchar_t* GetMatchedBlockRegRule(PUNICODE_STRING s)
|
||||
{
|
||||
return MatchListGetRule(s, g_BlockReg);
|
||||
}
|
||||
|
||||
BOOLEAN MatchBlockFile(PUNICODE_STRING s)
|
||||
{
|
||||
return MatchList(s, g_BlockFile);
|
||||
}
|
||||
|
||||
BOOLEAN MatchBlockRansom(PUNICODE_STRING s)
|
||||
{
|
||||
return MatchList(s, g_BlockRansom);
|
||||
}
|
||||
|
||||
wchar_t* GetMatchedBlockFileRule(PUNICODE_STRING s)
|
||||
{
|
||||
return MatchListGetRule(s, g_BlockFile);
|
||||
}
|
||||
|
||||
BOOLEAN HasBlockedSuffix(PUNICODE_STRING s)
|
||||
{
|
||||
if (!USOK(s)) {
|
||||
return FALSE;
|
||||
}
|
||||
for (SIZE_T i = 0; g_Blocksuffix[i]; ++i) {
|
||||
if (EndsWithNameUS(s, g_Blocksuffix[i])) {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN MatchRemoteSuspectBin(PUNICODE_STRING img)
|
||||
{
|
||||
if (!USOK(img))
|
||||
return FALSE;
|
||||
|
||||
for (SIZE_T i = 0; g_RemoteSuspectBins[i]; ++i)
|
||||
if (EndsWithNameUS(img, g_RemoteSuspectBins[i]))
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN MatchRemoteCommand(PUNICODE_STRING cmd, PUNICODE_STRING img)
|
||||
{
|
||||
if (!USOK(cmd))
|
||||
return FALSE;
|
||||
|
||||
const wchar_t* s = cmd->Buffer;
|
||||
for (SIZE_T i = 0; g_RemoteCmdIndicatorsHttp[i]; ++i)
|
||||
if (StrStrIW(s, g_RemoteCmdIndicatorsHttp[i]))
|
||||
return TRUE;
|
||||
|
||||
for (SIZE_T i = 0; g_RemoteCmdIndicatorsGeneric[i]; ++i)
|
||||
if (StrStrIW(s, g_RemoteCmdIndicatorsGeneric[i]))
|
||||
return TRUE;
|
||||
|
||||
if (USOK(img) && EndsWithNameUS(img, L"cmd.exe")) {
|
||||
for (SIZE_T i = 0; g_RemoteCmdFromCmdExe[i]; ++i)
|
||||
if (StrStrIW(s, g_RemoteCmdFromCmdExe[i]))
|
||||
return TRUE;
|
||||
}
|
||||
if (USOK(img) && EndsWithNameUS(img, L"rundll32.exe")) {
|
||||
for (SIZE_T i = 0; g_RemoteCmdFromRundll32Exe[i]; ++i)
|
||||
if (StrStrIW(s, g_RemoteCmdFromRundll32Exe[i]))
|
||||
return TRUE;
|
||||
}
|
||||
if (USOK(img) && EndsWithNameUS(img, L"regsvr32.exe") && StrStrIW(s, L"/i:") && StrStrIW(s, L"http"))
|
||||
return TRUE;
|
||||
|
||||
if (USOK(img) && EndsWithNameUS(img, L"mshta.exe")) {
|
||||
for (SIZE_T i = 0; g_RemoteCmdFromMshtaExe[i]; ++i)
|
||||
if (StrStrIW(s, g_RemoteCmdFromMshtaExe[i]))
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN MatchScreenCapModule(PUNICODE_STRING mod)
|
||||
{
|
||||
if (!USOK(mod))
|
||||
return FALSE;
|
||||
|
||||
for (SIZE_T i = 0; g_ScreenCapModules[i]; ++i)
|
||||
if (EndsWithNameUS(mod, g_ScreenCapModules[i]))
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN MatchSuspiciousProcPath(PUNICODE_STRING img)
|
||||
{
|
||||
if (!USOK(img))
|
||||
return FALSE;
|
||||
|
||||
const wchar_t* s = img->Buffer;
|
||||
if (StrStrIW(s, L"\\Users\\")) {
|
||||
for (SIZE_T i = 0; g_ScreenUserSubdirs[i]; ++i)
|
||||
if (StrStrIW(s, g_ScreenUserSubdirs[i]))
|
||||
return TRUE;
|
||||
}
|
||||
for (SIZE_T i = 0; g_ScreenOtherProcNeedles[i]; ++i)
|
||||
if (StrStrIW(s, g_ScreenOtherProcNeedles[i]))
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
BOOLEAN MatchClrFromNonFramework(PUNICODE_STRING fullImageName)
|
||||
{
|
||||
if (!USOK(fullImageName))
|
||||
return FALSE;
|
||||
|
||||
const wchar_t* s = fullImageName->Buffer;
|
||||
return (StrStrIW(s, L"\\clr.dll") || StrStrIW(s, L"\\mscorwks.dll")) && !StrStrIW(s, L"\\Windows\\Microsoft.NET\\") && !StrStrIW(s, L"\\Framework");
|
||||
}
|
||||
|
||||
BOOLEAN IsWhitelistExcept(PUNICODE_STRING img)
|
||||
{
|
||||
if (!USOK(img))
|
||||
return FALSE;
|
||||
|
||||
return MatchList(img, g_WhitelistExcept);
|
||||
}
|
||||
@@ -0,0 +1,23 @@
|
||||
#pragma once
|
||||
#include <ntifs.h>
|
||||
|
||||
wchar_t* GetMatchedBlockRegRule(PUNICODE_STRING s);
|
||||
wchar_t* GetMatchedBlockFileRule(PUNICODE_STRING s);
|
||||
BOOLEAN GetProcessImagePathByPid(HANDLE pid, PUNICODE_STRING ProcessImagePath);
|
||||
|
||||
BOOLEAN IsWhitelist(PUNICODE_STRING s);
|
||||
BOOLEAN IsWhitelistExcept(PUNICODE_STRING img);
|
||||
|
||||
BOOLEAN MatchBlockReg(PUNICODE_STRING s);
|
||||
BOOLEAN IsRegistryBlock(PUNICODE_STRING key, PUNICODE_STRING valueName, PUNICODE_STRING exe);
|
||||
|
||||
BOOLEAN MatchBlockFile(PUNICODE_STRING s);
|
||||
BOOLEAN MatchBlockRansom(PUNICODE_STRING s);
|
||||
BOOLEAN HasBlockedSuffix(PUNICODE_STRING s);
|
||||
|
||||
BOOLEAN MatchRemoteSuspectBin(PUNICODE_STRING img);
|
||||
BOOLEAN MatchRemoteCommand(PUNICODE_STRING cmd, PUNICODE_STRING img);
|
||||
|
||||
BOOLEAN MatchScreenCapModule(PUNICODE_STRING mod);
|
||||
BOOLEAN MatchSuspiciousProcPath(PUNICODE_STRING img);
|
||||
BOOLEAN MatchClrFromNonFramework(PUNICODE_STRING fullImageName);
|
||||
@@ -0,0 +1,125 @@
|
||||
#include <ntifs.h>
|
||||
#include <ntstrsafe.h>
|
||||
#include "DriverEntry.h"
|
||||
|
||||
typedef union _PS_PROTECTION {
|
||||
UCHAR Level;
|
||||
struct {
|
||||
UCHAR Type : 3;
|
||||
UCHAR Audit : 1;
|
||||
UCHAR Signer : 4;
|
||||
} Flags;
|
||||
} PS_PROTECTION, * PPS_PROTECTION;
|
||||
|
||||
static PVOID g_PsSetProcessProtection = NULL;
|
||||
static HANDLE g_ProtectedPid = NULL;
|
||||
static PVOID g_ObCookie = NULL;
|
||||
|
||||
static NTSTATUS SetPPL31(_In_ PEPROCESS proc)
|
||||
{
|
||||
if (!proc || !g_PsSetProcessProtection)
|
||||
return STATUS_PROCEDURE_NOT_FOUND;
|
||||
|
||||
PS_PROTECTION p = { 0 };
|
||||
p.Level = 0x31;
|
||||
((VOID(NTAPI*)(PEPROCESS, PS_PROTECTION))g_PsSetProcessProtection)(proc, p);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static OB_PREOP_CALLBACK_STATUS ObPreOperation(
|
||||
_In_ PVOID RegistrationContext,
|
||||
_Inout_ POB_PRE_OPERATION_INFORMATION info
|
||||
)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(RegistrationContext);
|
||||
|
||||
if (!info || info->KernelHandle)
|
||||
return OB_PREOP_SUCCESS;
|
||||
|
||||
if (info->ObjectType == *PsProcessType) {
|
||||
PEPROCESS proc = (PEPROCESS)info->Object;
|
||||
HANDLE pid = PsGetProcessId(proc);
|
||||
if (g_ProtectedPid && pid == g_ProtectedPid && PsGetCurrentProcessId() != g_ProtectedPid) {
|
||||
ACCESS_MASK* mask = (info->Operation == OB_OPERATION_HANDLE_CREATE)
|
||||
? &info->Parameters->CreateHandleInformation.DesiredAccess
|
||||
: &info->Parameters->DuplicateHandleInformation.DesiredAccess;
|
||||
|
||||
if (*mask & PROCESS_TERMINATE) {
|
||||
LogAnsi3("KILL_ATTEMPT",
|
||||
(ULONG)(ULONG_PTR)PsGetCurrentProcessId(),
|
||||
NULL, NULL);
|
||||
*mask &= ~(PROCESS_TERMINATE | PROCESS_VM_WRITE | PROCESS_CREATE_THREAD);
|
||||
}
|
||||
}
|
||||
}
|
||||
return OB_PREOP_SUCCESS;
|
||||
}
|
||||
|
||||
static VOID ProcessNotify(
|
||||
_In_opt_ PEPROCESS Process,
|
||||
_In_ HANDLE Pid,
|
||||
_In_opt_ PPS_CREATE_NOTIFY_INFO CreateInfo
|
||||
)
|
||||
{
|
||||
UNICODE_STRING target = RTL_CONSTANT_STRING(L"\\??\\C:\\PYAS.exe");
|
||||
if (CreateInfo) {
|
||||
if (Process && CreateInfo->ImageFileName &&
|
||||
RtlEqualUnicodeString(CreateInfo->ImageFileName, &target, TRUE)) {
|
||||
|
||||
NTSTATUS st = SetPPL31(Process);
|
||||
UNREFERENCED_PARAMETER(st);
|
||||
|
||||
InterlockedExchangePointer((PVOID*)&g_ProtectedPid, Pid);
|
||||
LogAnsi3("PROC_PPL", (ULONG)(ULONG_PTR)Pid, (PUNICODE_STRING)CreateInfo->ImageFileName, NULL);
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (g_ProtectedPid && Pid == g_ProtectedPid) {
|
||||
InterlockedExchangePointer((PVOID*)&g_ProtectedPid, NULL);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
NTSTATUS InitProcessProtect(VOID)
|
||||
{
|
||||
UNICODE_STRING n = RTL_CONSTANT_STRING(L"PsSetProcessProtection");
|
||||
g_PsSetProcessProtection = MmGetSystemRoutineAddress(&n);
|
||||
|
||||
static OB_OPERATION_REGISTRATION ops[1];
|
||||
RtlZeroMemory(ops, sizeof(ops));
|
||||
ops[0].ObjectType = PsProcessType;
|
||||
ops[0].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
|
||||
ops[0].PreOperation = ObPreOperation;
|
||||
ops[0].PostOperation = NULL;
|
||||
|
||||
UNICODE_STRING alt = RTL_CONSTANT_STRING(L"321000");
|
||||
OB_CALLBACK_REGISTRATION reg;
|
||||
RtlZeroMemory(®, sizeof(reg));
|
||||
reg.Version = OB_FLT_REGISTRATION_VERSION;
|
||||
reg.OperationRegistrationCount = 1;
|
||||
reg.OperationRegistration = ops;
|
||||
reg.RegistrationContext = NULL;
|
||||
reg.Altitude = alt;
|
||||
|
||||
NTSTATUS s = ObRegisterCallbacks(®, &g_ObCookie);
|
||||
if (!NT_SUCCESS(s)) {
|
||||
g_ObCookie = NULL;
|
||||
return s;
|
||||
}
|
||||
s = PsSetCreateProcessNotifyRoutineEx(ProcessNotify, FALSE);
|
||||
if (!NT_SUCCESS(s)) {
|
||||
ObUnRegisterCallbacks(g_ObCookie);
|
||||
g_ObCookie = NULL;
|
||||
return s;
|
||||
}
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
VOID UninitProcessProtect(VOID)
|
||||
{
|
||||
if (g_ObCookie) {
|
||||
ObUnRegisterCallbacks(g_ObCookie);
|
||||
g_ObCookie = NULL;
|
||||
}
|
||||
PsSetCreateProcessNotifyRoutineEx(ProcessNotify, TRUE);
|
||||
}
|
||||
@@ -0,0 +1,118 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static BOOLEAN QueryRegPathFromObject(PVOID KeyObject, PUNICODE_STRING OutPath, POBJECT_NAME_INFORMATION* OutInfo)
|
||||
{
|
||||
ULONG len = 0;
|
||||
NTSTATUS s = ObQueryNameString(KeyObject, NULL, 0, &len);
|
||||
if (s != STATUS_INFO_LENGTH_MISMATCH)
|
||||
return FALSE;
|
||||
|
||||
POBJECT_NAME_INFORMATION p = (POBJECT_NAME_INFORMATION)ExAllocatePool2(POOL_FLAG_NON_PAGED, len, 'rgeR');
|
||||
if (!p)
|
||||
return FALSE;
|
||||
|
||||
s = ObQueryNameString(KeyObject, p, len, &len);
|
||||
if (!NT_SUCCESS(s) || !p->Name.Buffer || p->Name.Length == 0) {
|
||||
ExFreePool2(p, 'rgeR', NULL, 0);
|
||||
return FALSE;
|
||||
}
|
||||
*OutInfo = p;
|
||||
OutPath->Buffer = p->Name.Buffer;
|
||||
OutPath->Length = p->Name.Length;
|
||||
OutPath->MaximumLength = p->Name.Length;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
NTSTATUS RegistryProtectCallback(PVOID ctx, PVOID arg1, PVOID arg2)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(ctx);
|
||||
if (g_Unloading)
|
||||
return STATUS_SUCCESS;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return STATUS_SUCCESS;
|
||||
|
||||
REG_NOTIFY_CLASS type = (REG_NOTIFY_CLASS)(ULONG_PTR)arg1;
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
UNICODE_STRING checkReg = { 0 };
|
||||
POBJECT_NAME_INFORMATION nameInfo = NULL;
|
||||
|
||||
UNICODE_STRING exe = { 0 };
|
||||
WCHAR exeBuf[260] = { 0 };
|
||||
exe.Buffer = exeBuf;
|
||||
exe.MaximumLength = sizeof(exeBuf);
|
||||
exe.Length = 0;
|
||||
|
||||
HANDLE pid = PsGetCurrentProcessId();
|
||||
if (pid == (HANDLE)0 || pid == (HANDLE)4) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
PUNICODE_STRING valueName = NULL;
|
||||
BOOLEAN need_log = FALSE;
|
||||
BOOLEAN canQuery = (KeGetCurrentIrql() == PASSIVE_LEVEL);
|
||||
|
||||
if (type == RegNtPreSetValueKey) {
|
||||
PREG_SET_VALUE_KEY_INFORMATION s = (PREG_SET_VALUE_KEY_INFORMATION)arg2;
|
||||
valueName = s->ValueName;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(s->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreDeleteValueKey) {
|
||||
PREG_DELETE_VALUE_KEY_INFORMATION d = (PREG_DELETE_VALUE_KEY_INFORMATION)arg2;
|
||||
valueName = d->ValueName;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(d->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreDeleteKey) {
|
||||
PREG_DELETE_KEY_INFORMATION d = (PREG_DELETE_KEY_INFORMATION)arg2;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(d->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreRenameKey) {
|
||||
PREG_RENAME_KEY_INFORMATION r = (PREG_RENAME_KEY_INFORMATION)arg2;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(r->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreCreateKeyEx) {
|
||||
PREG_CREATE_KEY_INFORMATION c = (PREG_CREATE_KEY_INFORMATION)arg2;
|
||||
if (c->CompleteName)
|
||||
checkReg = *c->CompleteName;
|
||||
}
|
||||
else if (type == RegNtPreReplaceKey) {
|
||||
PREG_REPLACE_KEY_INFORMATION rk = (PREG_REPLACE_KEY_INFORMATION)arg2;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(rk->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreSaveKey) {
|
||||
PREG_SAVE_KEY_INFORMATION sk = (PREG_SAVE_KEY_INFORMATION)arg2;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(sk->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreRestoreKey) {
|
||||
PREG_RESTORE_KEY_INFORMATION res = (PREG_RESTORE_KEY_INFORMATION)arg2;
|
||||
if (canQuery)
|
||||
QueryRegPathFromObject(res->Object, &checkReg, &nameInfo);
|
||||
}
|
||||
else if (type == RegNtPreLoadKey) {
|
||||
PREG_LOAD_KEY_INFORMATION lk = (PREG_LOAD_KEY_INFORMATION)arg2;
|
||||
if (lk->KeyName)
|
||||
checkReg = *lk->KeyName;
|
||||
}
|
||||
|
||||
if (checkReg.Buffer || (valueName && valueName->Buffer)) {
|
||||
if (canQuery)
|
||||
GetProcessImagePathByPid(pid, &exe);
|
||||
if (IsRegistryBlock(&checkReg, valueName, &exe)) {
|
||||
need_log = TRUE;
|
||||
status = STATUS_ACCESS_DENIED;
|
||||
}
|
||||
}
|
||||
if (nameInfo)
|
||||
ExFreePool2(nameInfo, 'rgeR', NULL, 0);
|
||||
if (need_log)
|
||||
LogAnsi3("REG_BLOCK", (ULONG)(ULONG_PTR)pid, &exe, &checkReg);
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return status;
|
||||
}
|
||||
@@ -0,0 +1,83 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static BOOLEAN g_RemoteNotifyEnabled = FALSE;
|
||||
|
||||
static VOID ProcessNotifyEx(PEPROCESS Process, HANDLE ProcessId, PPS_CREATE_NOTIFY_INFO CreateInfo)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(Process);
|
||||
UNREFERENCED_PARAMETER(ProcessId);
|
||||
|
||||
if (!CreateInfo)
|
||||
return;
|
||||
if (g_Unloading)
|
||||
return;
|
||||
if (KeGetCurrentIrql() != PASSIVE_LEVEL)
|
||||
return;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return;
|
||||
|
||||
HANDLE ppid = CreateInfo->CreatingThreadId.UniqueProcess;
|
||||
if (ppid == (HANDLE)0 || ppid == (HANDLE)4) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
UNICODE_STRING parent = { 0 };
|
||||
WCHAR pbuf[512] = { 0 };
|
||||
parent.Buffer = pbuf;
|
||||
parent.MaximumLength = sizeof(pbuf);
|
||||
|
||||
if (!GetProcessImagePathByPid(ppid, &parent)) {
|
||||
PEPROCESS eproc = PsGetCurrentProcess();
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
size_t l = n ? strlen(n) : 0;
|
||||
for (size_t i = 0; i < l && i < RTL_NUMBER_OF(pbuf) - 1; i++)
|
||||
pbuf[i] = (WCHAR)n[i];
|
||||
pbuf[l] = 0;
|
||||
parent.Length = (USHORT)(l * sizeof(WCHAR));
|
||||
}
|
||||
if (IsWhitelist(&parent)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
UNICODE_STRING img = { 0 };
|
||||
if (CreateInfo->ImageFileName)
|
||||
img = *CreateInfo->ImageFileName;
|
||||
UNICODE_STRING cmd = { 0 };
|
||||
if (CreateInfo->CommandLine)
|
||||
cmd = *CreateInfo->CommandLine;
|
||||
|
||||
BOOLEAN suspect = FALSE;
|
||||
if (MatchRemoteSuspectBin(&img) && MatchRemoteCommand(&cmd, &img))
|
||||
suspect = TRUE;
|
||||
|
||||
if (suspect) {
|
||||
CreateInfo->CreationStatus = STATUS_ACCESS_DENIED;
|
||||
if (cmd.Buffer && cmd.Length)
|
||||
LogAnsi3("REMOTE_BLOCK", (ULONG)(ULONG_PTR)ppid, &parent, &cmd);
|
||||
else if (img.Buffer && img.Length)
|
||||
LogAnsi3("REMOTE_BLOCK", (ULONG)(ULONG_PTR)ppid, &parent, &img);
|
||||
else {
|
||||
UNICODE_STRING none = RTL_CONSTANT_STRING(L"None");
|
||||
LogAnsi3("REMOTE_BLOCK", (ULONG)(ULONG_PTR)ppid, &parent, &none);
|
||||
}
|
||||
}
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
}
|
||||
|
||||
NTSTATUS InitRemoteProtect(VOID)
|
||||
{
|
||||
NTSTATUS s = PsSetCreateProcessNotifyRoutineEx(ProcessNotifyEx, FALSE);
|
||||
if (NT_SUCCESS(s))
|
||||
g_RemoteNotifyEnabled = TRUE;
|
||||
return s;
|
||||
}
|
||||
|
||||
VOID UninitRemoteProtect(VOID)
|
||||
{
|
||||
if (g_RemoteNotifyEnabled) {
|
||||
PsSetCreateProcessNotifyRoutineEx(ProcessNotifyEx, TRUE);
|
||||
g_RemoteNotifyEnabled = FALSE;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,266 @@
|
||||
#include <ntifs.h>
|
||||
#include "ProtectRules.h"
|
||||
|
||||
wchar_t* g_Whitelist[] = {
|
||||
L"\\Device\\HarddiskVolume*\\Program*\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\AppData\\**",
|
||||
L"**\\PYAS*.exe",
|
||||
L"Registry",
|
||||
L"vmmem*",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_WhitelistExcept[] = {
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\vds.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\bcdedit.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\schtasks.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\ntoskrnl.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\wbadmin.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\bcdboot.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\dism.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\bootsect.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\net1.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\msiexec.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\lsass.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\csrss.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\smss.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\wininit.exe",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_AttachDisk[] = {
|
||||
L"\\FileSystem\\Ntfs",
|
||||
L"\\FileSystem\\Refs",
|
||||
L"\\FileSystem\\Fastfat",
|
||||
L"\\FileSystem\\exfat",
|
||||
L"\\FileSystem\\Udfs",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_BlockFile[] = {
|
||||
L"\\Device\\Harddisk*\\DR*",
|
||||
L"\\Device\\Harddisk*\\Partition\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Boot\\**",
|
||||
L"\\Device\\HarddiskVolume*\\EFI\\**",
|
||||
L"\\Device\\HarddiskVolume*\\bootmgr",
|
||||
L"\\Device\\HarddiskVolume*\\Recovery\\**",
|
||||
L"\\Device\\HarddiskVolume*\\System Volume Information\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\**",
|
||||
L"\\Device\\HarddiskVolume*\\$*\\**",
|
||||
L"\\Device\\HarddiskVolume*\\ProgramData\\PYAS\\**",
|
||||
L"**\\PYAS.exe",
|
||||
L"**\\CON**",
|
||||
L"**\\PRN**",
|
||||
L"**\\AUX**",
|
||||
L"**\\NUL**",
|
||||
L"**\\COM*\\**",
|
||||
L"**\\LPT*\\**",
|
||||
L"**\\evil*.exe",
|
||||
L"**\\OSDATA**",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_BlockRansom[] = {
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Desktop\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Downloads\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Documents\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Music\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Pictures\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\Videos\\**",
|
||||
L"\\Device\\HarddiskVolume*\\Users\\*\\OneDrive\\**",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_Blocksuffix[] = {
|
||||
L".exe", L".dll", L".sys", L".com", L".scr",
|
||||
L".zip", L".7z", L".rar", L".tar", L".gz",
|
||||
L".js", L".bat", L".cmd", L".ps1", L".vbs",
|
||||
L".ppt", L".pptx", L".wps", L".txt", L".rtf",
|
||||
L".pdf", L".xls", L".xlsx", L".doc", L".docx",
|
||||
L".jpg", L".jpeg", L".png", L".webp", L".gif",
|
||||
L".mp3", L".wav", L".aac", L".ogg", L".flac",
|
||||
L".mp4", L".avi", L".mov", L".wmv", L".mkv",
|
||||
L".aux", L".cur", L".mui", L".ttf", L".efi",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_BlockReg[] = {
|
||||
L"\\REGISTRY\\MACHINE\\BCD00000000\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SAM\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SECURITY\\**",
|
||||
L"\\REGISTRY\\USER\\*_Classes\\*\\shell\\open\\command\\**",
|
||||
L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\NetWire\\**",
|
||||
L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\Remcos*\\**",
|
||||
L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\DC3_FEXEC\\**",
|
||||
L"DisableAntiSpyware",
|
||||
L"DisableWindowsUpdateAccess",
|
||||
L"EnableLUA",
|
||||
L"ConsentPromptBehaviorAdmin",
|
||||
L"NoControlPanel",
|
||||
L"NoDrives",
|
||||
L"NoFileMenu",
|
||||
L"NoFind",
|
||||
L"NoStartMenuPinnedList",
|
||||
L"NoSetFolders",
|
||||
L"NoSetFolderOptions",
|
||||
L"NoViewOnDrive",
|
||||
L"NoClose",
|
||||
L"NoDesktop",
|
||||
L"NoLogoff",
|
||||
L"NoFolderOptions",
|
||||
L"RestrictRun",
|
||||
L"NoViewContextMenu",
|
||||
L"HideClock",
|
||||
L"NoStartMenuMyGames",
|
||||
L"NoStartMenuMyMusic",
|
||||
L"DisableCMD",
|
||||
L"NoAddingComponents",
|
||||
L"NoWinKeys",
|
||||
L"NoStartMenuLogOff",
|
||||
L"NoSimpleNetIDList",
|
||||
L"NoLowDiskSpaceChecks",
|
||||
L"DisableLockWorkstation",
|
||||
L"Restrict_Run",
|
||||
L"DisableTaskMgr",
|
||||
L"DisableRegistryTools",
|
||||
L"DisableChangePassword",
|
||||
L"Wallpaper",
|
||||
L"NoComponents",
|
||||
L"NoStartMenuMorePrograms",
|
||||
L"NoActiveDesktop",
|
||||
L"NoSetActiveDesktop",
|
||||
L"NoRecentDocsMenu",
|
||||
L"NoWindowsUpdate",
|
||||
L"NoChangeStartMenu",
|
||||
L"NoFavoritesMenu",
|
||||
L"NoRecentDocsHistory",
|
||||
L"NoSetTaskbar",
|
||||
L"NoSMHelp",
|
||||
L"NoTrayContextMenu",
|
||||
L"NoManageMyComputerVerb",
|
||||
L"NoRealMode",
|
||||
L"NoRun",
|
||||
L"ClearRecentDocsOnExit",
|
||||
L"NoActiveDesktopChanges",
|
||||
L"NoStartMenuNetworkPlaces",
|
||||
L"NoLockScreen",
|
||||
L"HideFastUserSwitching",
|
||||
L"ConsentPromptBehaviorUser",
|
||||
L"EnableSecureUIAPaths",
|
||||
L"NoSRM",
|
||||
L"NoInteractiveServices",
|
||||
L"ShutdownWithoutLogon",
|
||||
L"AutoAdminLogon",
|
||||
L"ImagePath",
|
||||
L"BootExecute",
|
||||
L"SubSystems",
|
||||
L"FirmwareBootDevice",
|
||||
L"BootDriverFlags",
|
||||
L"SystemStartOptions",
|
||||
L"CrashDumpEnabled",
|
||||
L"DisableAutomaticRestartOnFailure",
|
||||
L"SystemBiosVersion",
|
||||
L"NoTheme",
|
||||
L"PendingFileRenameOperations",
|
||||
L"SystemSetupInProgress",
|
||||
L"CmdLine",
|
||||
L"SetupType",
|
||||
L"AutoReboot",
|
||||
L"Userinit",
|
||||
L"UIHost",
|
||||
L"Debugger",
|
||||
L"DefaultUserName",
|
||||
L"DefaultPassword",
|
||||
L"AltDefaultUserName",
|
||||
L"AltDefaultPassword",
|
||||
L"DisableCAD",
|
||||
L"LegalNoticeCaption",
|
||||
L"LegalNoticeText",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteSuspectBins[] = {
|
||||
L"powershell.exe",
|
||||
L"pwsh.exe",
|
||||
L"wscript.exe",
|
||||
L"cscript.exe",
|
||||
L"mshta.exe",
|
||||
L"rundll32.exe",
|
||||
L"regsvr32.exe",
|
||||
L"cmd.exe",
|
||||
L"bitsadmin.exe",
|
||||
L"msbuild.exe",
|
||||
L"installutil.exe",
|
||||
L"wmic.exe",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdIndicatorsHttp[] = {
|
||||
L"http://",
|
||||
L"https://",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdIndicatorsGeneric[] = {
|
||||
L"-enc",
|
||||
L"-e",
|
||||
L"-encodedcommand",
|
||||
L"frombase64string(",
|
||||
L"iex(",
|
||||
L"downloadstring(",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdFromCmdExe[] = {
|
||||
L"powershell",
|
||||
L"pwsh",
|
||||
L"mshta",
|
||||
L"rundll32",
|
||||
L"wscript",
|
||||
L"cscript",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdFromRundll32Exe[] = {
|
||||
L".dll,",
|
||||
L"javascript:",
|
||||
L"http",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdRegsvr32Need[] = {
|
||||
L"/i:",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_RemoteCmdFromMshtaExe[] = {
|
||||
L"http://",
|
||||
L"https://",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_ScreenCapModules[] = {
|
||||
L"windows.graphics.capture.dll",
|
||||
L"dxgi.dll",
|
||||
L"d3d11.dll",
|
||||
L"dwmapi.dll",
|
||||
L"dcomp.dll",
|
||||
L"mfreadwrite.dll",
|
||||
L"mfplat.dll",
|
||||
L"opengl32.dll",
|
||||
L"gdi32full.dll",
|
||||
L"win32u.dll",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_ScreenUserSubdirs[] = {
|
||||
L"\\AppData\\",
|
||||
L"\\Temp\\",
|
||||
L"\\Downloads\\",
|
||||
NULL
|
||||
};
|
||||
|
||||
wchar_t* g_ScreenOtherProcNeedles[] = {
|
||||
L"\\ProgramData\\",
|
||||
NULL
|
||||
};
|
||||
@@ -0,0 +1,25 @@
|
||||
#pragma once
|
||||
#include <ntifs.h>
|
||||
|
||||
extern wchar_t* g_Whitelist[];
|
||||
extern wchar_t* g_WhitelistExcept[];
|
||||
|
||||
extern wchar_t* g_AttachDisk[];
|
||||
extern wchar_t* g_BlockFile[];
|
||||
extern wchar_t* g_BlockRansom[];
|
||||
extern wchar_t* g_Blocksuffix[];
|
||||
|
||||
extern wchar_t* g_BlockReg[];
|
||||
|
||||
extern wchar_t* g_RemoteSuspectBins[];
|
||||
|
||||
extern wchar_t* g_RemoteCmdIndicatorsHttp[];
|
||||
extern wchar_t* g_RemoteCmdIndicatorsGeneric[];
|
||||
extern wchar_t* g_RemoteCmdFromCmdExe[];
|
||||
extern wchar_t* g_RemoteCmdFromRundll32Exe[];
|
||||
extern wchar_t* g_RemoteCmdRegsvr32Need[];
|
||||
extern wchar_t* g_RemoteCmdFromMshtaExe[];
|
||||
|
||||
extern wchar_t* g_ScreenCapModules[];
|
||||
extern wchar_t* g_ScreenUserSubdirs[];
|
||||
extern wchar_t* g_ScreenOtherProcNeedles[];
|
||||
@@ -0,0 +1,67 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
static BOOLEAN g_ScreenImgCb = FALSE;
|
||||
|
||||
static VOID ImageLoadNotify(PUNICODE_STRING FullImageName, HANDLE ProcessId, PIMAGE_INFO ImageInfo)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(ImageInfo);
|
||||
if (g_Unloading)
|
||||
return;
|
||||
if (KeGetCurrentIrql() != PASSIVE_LEVEL)
|
||||
return;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return;
|
||||
if (!FullImageName || !FullImageName->Buffer || FullImageName->Length == 0) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
|
||||
UNICODE_STRING proc = { 0 };
|
||||
WCHAR pbuf[512] = { 0 };
|
||||
proc.Buffer = pbuf;
|
||||
proc.MaximumLength = sizeof(pbuf);
|
||||
|
||||
if (!GetProcessImagePathByPid(ProcessId, &proc)) {
|
||||
PEPROCESS eproc = NULL;
|
||||
if (NT_SUCCESS(PsLookupProcessByProcessId(ProcessId, &eproc))) {
|
||||
PCSTR n = PsGetProcessImageFileName(eproc);
|
||||
SIZE_T l = n ? strlen(n) : 0;
|
||||
for (SIZE_T i = 0; i < l && i < RTL_NUMBER_OF(pbuf) - 1; i++)
|
||||
pbuf[i] = (WCHAR)n[i];
|
||||
pbuf[l] = 0;
|
||||
proc.Length = (USHORT)(l * sizeof(WCHAR));
|
||||
ObDereferenceObject(eproc);
|
||||
}
|
||||
}
|
||||
if (proc.Length == 0) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
if (IsWhitelist(&proc)) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return;
|
||||
}
|
||||
|
||||
BOOLEAN suspicious = MatchSuspiciousProcPath(&proc);
|
||||
if (suspicious && MatchScreenCapModule(FullImageName))
|
||||
LogAnsi3("SCREEN_BLOCK", (ULONG)(ULONG_PTR)ProcessId, &proc, FullImageName);
|
||||
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
}
|
||||
|
||||
NTSTATUS InitScreenProtect(VOID)
|
||||
{
|
||||
NTSTATUS s = PsSetLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
if (NT_SUCCESS(s)) g_ScreenImgCb = TRUE;
|
||||
return s;
|
||||
}
|
||||
|
||||
VOID UninitScreenProtect(VOID)
|
||||
{
|
||||
if (g_ScreenImgCb) {
|
||||
PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
|
||||
g_ScreenImgCb = FALSE;
|
||||
}
|
||||
}
|
||||
@@ -1,176 +1,195 @@
|
||||
# PYAS (Python Antivirus Software)
|
||||
# PYAS
|
||||
|
||||

|
||||
Antivirus software written in Python and C that blocks threats through deep learning and behavioral monitoring!
|
||||
|
||||
## Readme Language
|
||||
|
||||
[繁體中文](https://github.com/87owo/PYAS/blob/main/README_zh_TW.md) ,
|
||||
[简体中文](https://github.com/87owo/PYAS/blob/main/README_zh_CN.md)
|
||||
|
||||
## File Information
|
||||
|
||||
PYAS.py -> Main PYAS Program (including animation, scanning, protection functions, etc.)
|
||||
|
||||
PYAS_Engine.py -> Conversion Database (used to convert database dict and list to and from each other)
|
||||
|
||||
PYAS_Extension.py -> File Extension (including scanned file extensions and common file extensions)
|
||||
|
||||
PYAS_Model.* -> Virus Database (the virus database must be placed in the same directory)
|
||||
|
||||
PYAS_Interface.py -> PyQt5 Interface (designed by QT designer, must be matched with the main program)
|
||||
|
||||
PYAS_Resource.py -> PyQt5 Resource (status pictures, icon packages, button icons, etc.)
|
||||
|
||||
PYAS_Language.py -> Translate Dict (Traditional Chinese, Simplified Chinese, English)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller Info (file information, version information, original name, etc.)
|
||||
|
||||
## Dir Information
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
<img width="2245" height="1477" alt="PYAS_UI" src="https://github.com/user-attachments/assets/87d40261-7655-49ad-a19c-1ffcca60584f" />
|
||||
|
||||
## Requirements
|
||||
|
||||
Use pip install requirements to install import module
|
||||
Python 3.10 is recommended. Other Python versions may require different pip commands.
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
pip install numpy==1.26.4
|
||||
pip install onnxruntime==1.18.1
|
||||
pip install pefile==2023.2.7
|
||||
pip install Pillow==11.0.0
|
||||
pip install pyperclip==1.9.0
|
||||
pip install PySide6==6.9.1
|
||||
pip install requests==2.32.4
|
||||
pip install yara-python==4.5.4
|
||||
```
|
||||
|
||||
## Pefile Scanning
|
||||
## File Information
|
||||
|
||||
Get the pefile file function import table for scanning
|
||||
The following lists the storage locations of all relevant code and other related documents.
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
PYAS/
|
||||
├── Engine/
|
||||
│ ├── Models/
|
||||
│ │ ├── convert.py # Convert executable files or other files to images
|
||||
│ │ └── train.py # TensorFlow CNN model training complete code
|
||||
│ │
|
||||
│ └── Rules/
|
||||
│ ├── rules.yar # Yara virus signature rule matching
|
||||
│ └── rules.ips # IP network address rule matching
|
||||
│
|
||||
├── Plugins/
|
||||
│ └── Filter/
|
||||
│ ├── DriverEntry.c # Main driver entry and initialization logic
|
||||
│ ├── DriverEntry.h # Global driver definitions, constants, and functions
|
||||
│ ├── DriverPipe.c # Kernel to user pipe logging implementation
|
||||
│ ├── ProtectBoot.c # Disk boot sector write protection
|
||||
│ ├── ProtectImage.c # Image load monitoring and shellcode detection
|
||||
│ ├── ProtectInject.c # Process thread handle access control to prevent injection
|
||||
│ ├── ProtectReg.c # Registry modification protection
|
||||
│ ├── ProtectRules.c # White, block list, and matching logic for files registry
|
||||
│ └── ProtectRules.h # Protection rule declarations
|
||||
│
|
||||
├── PYAS.py # Main application entry point and UI to engine interface
|
||||
├── PYAS_Config.py # Configuration loading, saving, and global parameters
|
||||
├── PYAS_Engine.py # Core scanning engine: YARA, IP, ONNX model execution
|
||||
├── PYAS_Interface.py # User interface components and event handling
|
||||
├── PYAS_Resource.py # Static image and icon resource management
|
||||
├── PYAS_Version.py # Version metadata for packaging and updates
|
||||
└── ... # Other supplementary folders and files
|
||||
```
|
||||
|
||||
## Process Detect
|
||||
## Architecture diagram
|
||||
|
||||
Show the new process name, file path, cmd line, pid
|
||||
PYAS Security antivirus software general architecture diagram.
|
||||
|
||||
```mermaid
|
||||
graph TD
|
||||
%% Global Styles
|
||||
classDef ui fill:#e1f5fe,stroke:#01579b,stroke-width:2px;
|
||||
classDef logic fill:#fff9c4,stroke:#fbc02d,stroke-width:2px;
|
||||
classDef engine fill:#e8f5e9,stroke:#2e7d32,stroke-width:2px;
|
||||
classDef thread fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px;
|
||||
classDef kernel fill:#ffebee,stroke:#c62828,stroke-width:2px;
|
||||
classDef data fill:#eceff1,stroke:#455a64,stroke-width:2px,stroke-dasharray: 5 5;
|
||||
|
||||
User((User))
|
||||
|
||||
subgraph Presentation_Layer ["Presentation Layer (View)"]
|
||||
direction TB
|
||||
UI_Static["PYAS_Interface.py<br/>(Ui_main_window Class)"]:::ui
|
||||
UI_Controller["PYAS.py<br/>(MainWindow_Controller Class)"]:::ui
|
||||
TrayIcon["System Tray Icon"]:::ui
|
||||
|
||||
User <--> UI_Controller
|
||||
UI_Static --- UI_Controller
|
||||
UI_Controller --- TrayIcon
|
||||
end
|
||||
|
||||
subgraph Core_Logic_Layer ["Core Logic & Controller"]
|
||||
direction TB
|
||||
Init_Env["Initialization<br/>(init_environ, init_variable,<br/>init_windll)"]:::logic
|
||||
Config_Mgr["Configuration Manager<br/>(load_config, save_config)"]:::logic
|
||||
|
||||
subgraph System_Tools ["System Tools"]
|
||||
Sys_Repair["System Repair<br/>(repair_system_mbr,<br/>repair_system_image, etc.)"]:::logic
|
||||
Sys_Clean["System Cleaner<br/>(clean_button, traverse_temp)"]:::logic
|
||||
Proc_Mgr["Process Manager<br/>(list_process, kill_process)"]:::logic
|
||||
List_Mgr["List Manager<br/>(manage_named_list:<br/>Whitelist/Quarantine)"]:::logic
|
||||
end
|
||||
|
||||
UI_Controller --> Init_Env
|
||||
Init_Env --> Config_Mgr
|
||||
UI_Controller --> System_Tools
|
||||
end
|
||||
|
||||
subgraph Protection_Layer ["Real-time Protection Threads (Daemons)"]
|
||||
direction TB
|
||||
Thread_Proc["Process Guard Thread<br/>(protect_proc_thread)<br/>[WMI/Snapshot]"]:::thread
|
||||
Thread_File["File Guard Thread<br/>(protect_file_thread)<br/>[ReadDirectoryChangesW]"]:::thread
|
||||
Thread_Net["Network Guard Thread<br/>(protect_net_thread)<br/>[GetExtendedTcpTable]"]:::thread
|
||||
Thread_Sys["System Guard Thread<br/>(protect_system_thread)<br/>[Reg/MBR Check]"]:::thread
|
||||
Thread_Popup["Popup Blocker Thread<br/>(popup_intercept_thread)<br/>[EnumWindows]"]:::thread
|
||||
Thread_Pipe["Driver IPC Thread<br/>(pipe_server_thread)<br/>[NamedPipe Server]"]:::thread
|
||||
|
||||
Init_Env --> Thread_Proc
|
||||
Init_Env --> Thread_File
|
||||
Init_Env --> Thread_Net
|
||||
Init_Env --> Thread_Sys
|
||||
Init_Env --> Thread_Popup
|
||||
Init_Env --> Thread_Pipe
|
||||
end
|
||||
|
||||
subgraph Engine_Layer ["Detection Engine (PYAS_Engine.py)"]
|
||||
direction TB
|
||||
Scan_Worker["Scan Worker<br/>(scan_worker / scan_engine)"]:::engine
|
||||
|
||||
subgraph Scanners
|
||||
Sign_Check["Signature Scanner<br/>(sign_scanner)<br/>[WinVerifyTrust]"]:::engine
|
||||
AI_Model["AI Model Scanner<br/>(model_scanner)<br/>[ONNX/ResNet]"]:::engine
|
||||
Yara_Rules["Rule Scanner<br/>(rule_scanner)<br/>[Yara/IP Lists]"]:::engine
|
||||
end
|
||||
|
||||
Thread_Proc --> Scan_Worker
|
||||
Thread_File --> Scan_Worker
|
||||
Thread_Net --> Scan_Worker
|
||||
UI_Controller -->|Manual Scan| Scan_Worker
|
||||
|
||||
Scan_Worker --> Sign_Check
|
||||
Scan_Worker --> AI_Model
|
||||
Scan_Worker --> Yara_Rules
|
||||
end
|
||||
|
||||
subgraph Kernel_OS_Layer ["Windows Kernel & Driver"]
|
||||
direction TB
|
||||
WinAPI["Windows API (ctypes)<br/>(kernel32, user32, ntdll,<br/>advapi32, iphlpapi, psapi)"]:::kernel
|
||||
Driver_Sys["Kernel Driver<br/>(PYAS_Driver.sys)"]:::kernel
|
||||
OS_FS["File System (NTFS)"]:::kernel
|
||||
OS_Net["Network Stack"]:::kernel
|
||||
|
||||
Init_Env -- Load DLLs --> WinAPI
|
||||
Thread_File -- Monitor --> OS_FS
|
||||
Thread_Net -- Monitor --> OS_Net
|
||||
Thread_Proc -- Suspend/Kill --> WinAPI
|
||||
|
||||
Thread_Pipe <==>|"Named Pipe IPC<br/>(\\.\pipe\PYAS_Output_Pipe)"| Driver_Sys
|
||||
Driver_Sys -- Callback/Block --> WinAPI
|
||||
end
|
||||
|
||||
subgraph Data_Persistence ["Data & Resources"]
|
||||
Config_File[("Config.json")]:::data
|
||||
Model_Files[("Model Files<br/>(.onnx)")]:::data
|
||||
Rule_Files[("Rule Files<br/>(.yar)")]:::data
|
||||
Quarantine_Dir[("/Quarantine/")]:::data
|
||||
|
||||
Config_Mgr <--> Config_File
|
||||
AI_Model <--> Model_Files
|
||||
Yara_Rules <--> Rule_Files
|
||||
List_Mgr <--> Quarantine_Dir
|
||||
end
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## File Detect
|
||||
|
||||
Monitor file changes under the specified path
|
||||
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## Official Website
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## PYAS Driver
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## MIT license
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## Support System
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit), Ram 500MB, Rom 200MB or higher
|
||||
| Config | Permissions | System version | Processor | Memory | Storage |
|
||||
|-----------|---------------|----------------------|-----------|--------|---------|
|
||||
| Minimum | Administrator | >= Windows 10 (20H1) | 1 GHz | 200MB | 100MB |
|
||||
| Recommend | Administrator | >= Windows 10 (21H2) | 3 GHz | 500MB | 200MB |
|
||||
|
||||
Other systems may experience software malfunctions or crash
|
||||
## Packaged Releases
|
||||
|
||||
## Special Thanks
|
||||
Download the installer. If it is incompatible with your system, you can repackage it yourself.
|
||||
|
||||
Wix, 0sha0, mtkiao129, AV-T Team of LisectGroup
|
||||
Packaged Download: https://github.com/87owo/PYAS/releases
|
||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
## Official Website
|
||||
|
||||
If you are interested in this project, you can visit the website to see other related content.
|
||||
|
||||
Source Available : https://github.com/87owo/PYAS
|
||||
|
||||
Official Website : https://pyas-security.com/antivirus
|
||||
|
||||
## Project License
|
||||
|
||||
For any questions, needs, or bug feedback, please contact us through the following website.
|
||||
|
||||
Source Issues : https://github.com/87owo/PYAS/issues
|
||||
|
||||
Official Email : mailto:service.pyas@gmail.com
|
||||
-171
@@ -1,171 +0,0 @@
|
||||
# PYAS (Python 杀毒软件)
|
||||
|
||||

|
||||
|
||||
## 文件信息
|
||||
|
||||
PYAS.py -> PYAS主程式(包括动画、扫描、保护功能等)
|
||||
|
||||
PYAS_Engine.py -> 转换资料库(用于相互转换资料库字典和清单)
|
||||
|
||||
PYAS_Extension.py -> 副文件名(包括扫描文件副文件名和常用副文件名)
|
||||
|
||||
PYAS_Model.* -> 病毒库(病毒库必须放在同一目录下)
|
||||
|
||||
PYAS_Interface.py -> PyQt5界面(由QT设计师设计,必须与主程式相符)
|
||||
|
||||
PYAS_Resource.py -> PyQt5资源(状态图片、图示包、按钮图示等)
|
||||
|
||||
PYAS_Language.py -> 翻译字典(繁体中文、简体中文、英文)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller资讯(文件资讯、版本资讯、原名等)
|
||||
|
||||
## 目录信息
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
|
||||
## 安装要求
|
||||
|
||||
使用 pip install requirements 来安装需要的模组
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
```
|
||||
|
||||
## 文件扫描
|
||||
|
||||
取得pefile文件函数导入表进行扫描
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
```
|
||||
|
||||
## 进程监控
|
||||
|
||||
显示新进程名称、文件路径、cmd 行、pid
|
||||
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## 文件监控
|
||||
|
||||
监控指定路径下的文件变化
|
||||
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## 官方网页
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 开源协议
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 驱动程序
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## 支援系统
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit), 内存 500MB, 存储 200MB 或更高
|
||||
|
||||
其他系统或版本可能会遇到软体功能故障或程序崩溃
|
||||
|
||||
## 特别感谢
|
||||
|
||||
360, Wix, VirusShare, mtkiao129, AV-T Team of LisectGroup
|
||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
-169
@@ -1,169 +0,0 @@
|
||||
# PYAS (Python 防毒軟體)
|
||||
|
||||

|
||||
|
||||
## 檔案資訊
|
||||
|
||||
PYAS.py -> PYAS主程式(包括動畫、掃描、保護功能等)
|
||||
|
||||
PYAS_Engine.py -> 轉換資料庫(用於相互轉換資料庫字典和清單)
|
||||
|
||||
PYAS_Extension.py -> 檔案副檔名(包括掃描檔案副檔名和常用檔案副檔名)
|
||||
|
||||
PYAS_Model.* -> 病毒庫(病毒庫必須放在同一目錄下)
|
||||
|
||||
PYAS_Interface.py -> PyQt5 Interface(由QT設計師設計,必須與主程式相符)
|
||||
|
||||
PYAS_Resource.py -> PyQt5資源(狀態圖片、圖示包、按鈕圖示等)
|
||||
|
||||
PYAS_Language.py -> 翻譯字典(繁體中文、簡體中文、英文)
|
||||
|
||||
PYAS_Version.py -> Pyinstaller Info(檔案資訊、版本資訊、原名等)
|
||||
|
||||
## 目錄資訊
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── Driver/
|
||||
│ ├── PYAS_Driver.sys
|
||||
│ └── ...
|
||||
│
|
||||
├── Model/
|
||||
│ ├── PYAS_Model.json
|
||||
│ ├── PYAS_Model.txt
|
||||
│ └── ...
|
||||
│
|
||||
├── Rules/
|
||||
│ ├── Yara_Rules.yar
|
||||
│ ├── Compile_Rules.yrc
|
||||
│ └── ...
|
||||
│
|
||||
├── PYAS.py
|
||||
├── PYAS_Engine.py
|
||||
└── ...
|
||||
```
|
||||
|
||||
## 安裝要求
|
||||
|
||||
使用 pip install requirements 來安裝需要的模組
|
||||
|
||||
```
|
||||
psutil==5.9.5
|
||||
pefile==2023.2.7
|
||||
requests==2.31.0
|
||||
pyperclip==1.8.2
|
||||
pywin32==306
|
||||
PyQt5==5.15.9
|
||||
```
|
||||
|
||||
## 檔案掃描
|
||||
|
||||
取得pefile檔案函數導入表進行掃描
|
||||
|
||||
```
|
||||
import pefile
|
||||
|
||||
def pe_scan(file):
|
||||
try:
|
||||
fn = []
|
||||
with pefile.PE(file) as pe:
|
||||
for entry in pe.DIRECTORY_ENTRY_IMPORT:
|
||||
for func in entry.imports:
|
||||
try:
|
||||
fn.append(str(func.name, "utf-8"))
|
||||
except:
|
||||
pass
|
||||
if fn in known_malicious_list:
|
||||
return "Virus"
|
||||
return "Safe"
|
||||
return "Unknown"
|
||||
except Exception as e:
|
||||
return f"Error: {e}"
|
||||
|
||||
info = pe_scan("path to file")
|
||||
print(info)
|
||||
```
|
||||
|
||||
## 進程監控
|
||||
|
||||
顯示新進程名稱、檔案路徑、cmd 行、pid
|
||||
```
|
||||
import psutil, time
|
||||
|
||||
def proc_detect():
|
||||
existing_process = set()
|
||||
for p in psutil.process_iter():
|
||||
existing_process.add(p.pid)
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
new_process = set()
|
||||
for p in psutil.process_iter():
|
||||
new_process.add(p.pid)
|
||||
for pid in new_process - existing_process:
|
||||
try:
|
||||
p = psutil.Process(pid)
|
||||
name, file, cmd = p.name(), p.exe(), p.cmdline()
|
||||
print(f"Name: {name}")
|
||||
print(f"File: {file}")
|
||||
print(f"Pid: {p.pid}")
|
||||
print(f"Cmd: {cmd}")
|
||||
except Exception as e:
|
||||
print(f"Error: {e}")
|
||||
existing_process = new_process
|
||||
|
||||
proc_detect()
|
||||
```
|
||||
|
||||
## 檔案監控
|
||||
|
||||
監控指定路徑下的檔案變化
|
||||
```
|
||||
import os, win32file, win32con
|
||||
|
||||
def file_detect(path):
|
||||
hDir = win32file.CreateFile(path,win32con.GENERIC_READ,win32con.FILE_SHARE_READ|win32con.FILE_SHARE_WRITE|win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)
|
||||
while True:
|
||||
for action, file in win32file.ReadDirectoryChangesW(hDir,10485760,True,win32con.FILE_NOTIFY_CHANGE_FILE_NAME|win32con.FILE_NOTIFY_CHANGE_DIR_NAME|win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES|win32con.FILE_NOTIFY_CHANGE_SIZE|win32con.FILE_NOTIFY_CHANGE_LAST_WRITE|win32con.FILE_NOTIFY_CHANGE_SECURITY,None,None):
|
||||
try:
|
||||
fpath = os.path.join(path, file)
|
||||
if action == 1:
|
||||
print(f"File Create: {fpath}")
|
||||
elif action == 2:
|
||||
print(f"File Delete: {fpath}")
|
||||
elif action == 3:
|
||||
print(f"File Modify: {fpath}")
|
||||
elif action == 4:
|
||||
print(f"File Rename: {fpath}")
|
||||
elif action == 5:
|
||||
print(f"File Rename: {fpath}")
|
||||
except:
|
||||
pass
|
||||
|
||||
file_detect("path")
|
||||
```
|
||||
|
||||
## 官方網頁
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 開源協議
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 驅動程式
|
||||
|
||||
https://github.com/0sha0/PYAS_Protection
|
||||
|
||||
## 支援系統
|
||||
|
||||
Windows 8.1, 10, 11 (64-bit),記憶體 500MB, 磁碟容量 200MB 或更高
|
||||
|
||||
其他系統或版本可能會遇到軟體功能故障或程序崩潰
|
||||
|
||||
## 特別感謝
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||||
Wix, 0sha0, mtkiao129, AV-T Team of LisectGroup
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||||
|
||||
Copyright© 2020~2024 PYAS Security By 87owo
|
||||
Reference in new issue
Block a user