Compare commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
e538b837d5 | ||
|
|
7b995e1223 | ||
|
|
c7826b58a3 | ||
|
|
5786dbdb75 | ||
|
|
0f42c19ec7 | ||
|
|
87d44a64f3 | ||
|
|
77dd4ace33 | ||
|
|
0907d71957 | ||
|
|
e7a30646e3 | ||
|
|
98d21b3391 | ||
|
|
35d9203b9c | ||
|
|
e6e384a7f7 | ||
|
|
7d954c14ae | ||
|
|
41388962e2 | ||
|
|
6d51f6b6a9 | ||
|
|
c7af9a3702 | ||
|
|
da7c61202c | ||
|
|
c24e872a33 | ||
|
|
d0809ec313 | ||
|
|
c1a796da38 | ||
|
|
98c27800e0 | ||
|
|
7a18eadd13 | ||
|
|
b07adb7b30 | ||
|
|
4d7c3cce4d | ||
|
|
4ff0ab9cd8 | ||
|
|
264dd50969 | ||
|
|
26d0ad1a6e | ||
|
|
90284018e5 | ||
|
|
46eeec16d4 | ||
|
|
083fb0dccc | ||
|
|
d46f145806 | ||
|
|
868eddfd2b | ||
|
|
8295e6bb5b | ||
|
|
424914b842 | ||
|
|
8c5027df0f | ||
|
|
0b7817d992 | ||
|
|
ca6c9bfd05 | ||
|
|
0a1abd8040 | ||
|
|
ed69a4fdf6 | ||
|
|
2ae19a6d4e | ||
|
|
404bc50dd4 | ||
|
|
cada5eeeaf | ||
|
|
5e9bd40e8b | ||
|
|
0788bab0dd | ||
|
|
4e8e0dbea7 | ||
|
|
b8c5279137 | ||
|
|
a3255b1681 | ||
|
|
f151379f8f | ||
|
|
7784544583 | ||
|
|
f742937296 | ||
|
|
5fd9242291 | ||
|
|
9f343196a9 | ||
|
|
5468eded04 | ||
|
|
1b97758fc9 | ||
|
|
b2e8e49447 | ||
|
|
3eec781139 | ||
|
|
b6f1977fa0 | ||
|
|
e0aa080f00 | ||
|
|
66aa76c836 | ||
|
|
bb9444e1ae | ||
|
|
6c9bfa7755 | ||
|
|
c4fa849290 | ||
|
|
4807e2c410 | ||
|
|
5388efdebc | ||
|
|
1d656de7ba | ||
|
|
eaa1d725a9 | ||
|
|
dea2150d63 | ||
|
|
80f9d6cf75 | ||
|
|
7430d38594 | ||
|
|
6804e4af9f | ||
|
|
138756c31d | ||
|
|
349bc293c6 | ||
|
|
2f87cd10f2 | ||
|
|
fc50eafcca | ||
|
|
b48e20a727 | ||
|
|
ce7ed2e6eb | ||
|
|
043d71e0ff | ||
|
|
1855ae0e1d | ||
|
|
77323a50df | ||
|
|
1c2f6b85ca | ||
|
|
2b5c478e4b | ||
|
|
90fd83a81f | ||
|
|
8fa2a166f3 | ||
|
|
e8cc45ebe7 | ||
|
|
eb87117b91 | ||
|
|
3799dfa1e8 | ||
|
|
163c7fd680 | ||
|
|
44ca762f69 | ||
|
|
8db311ba33 | ||
|
|
99d8604db4 | ||
|
|
90aa88daeb | ||
|
|
ae6eebad4d | ||
|
|
cd31ce1c38 | ||
|
|
ed3846e451 | ||
|
|
0c79cf8e37 | ||
|
|
81c7e16c0e | ||
|
|
16c03095b8 | ||
|
|
b5dab3aa22 | ||
|
|
e4a3c871f8 | ||
|
|
a2fe947b08 | ||
|
|
8df49ecfc1 | ||
|
|
526b9bd4c7 | ||
|
|
c67ff3d936 | ||
|
|
417b17da98 | ||
|
|
4ca19a4eb0 | ||
|
|
e834dfb7ee | ||
|
|
5e1ff74fb3 | ||
|
|
7a1d0f2ca7 | ||
|
|
b305522106 | ||
|
|
ff3495645a | ||
|
|
ddc000321f | ||
|
|
fe4e6af3b9 | ||
|
|
a1a83cc32c | ||
|
|
e37665218b | ||
|
|
2a876f4136 | ||
|
|
290d8e8a64 | ||
|
|
121bce529f | ||
|
|
1232d98573 | ||
|
|
208d9150b0 | ||
|
|
351bf7725e | ||
|
|
a547776766 | ||
|
|
86a8d20757 | ||
|
|
760c420f95 |
No files matched your search
@@ -1,11 +0,0 @@
|
||||
{
|
||||
"Suffix": [".com", ".exe", ".dll", ".sys", ".scr", ".bat", ".cmd", ".ps1", ".vbs", ".wsf"],
|
||||
|
||||
"Labels": ["Pefile/White", "Script/White", "Pefile/General", "Script/General"],
|
||||
|
||||
"Detect": ["Pefile/General", "Script/General"],
|
||||
|
||||
"Resize": [224, 224, 1, "nearest"],
|
||||
|
||||
"Values": 95
|
||||
}
|
||||
Binary file not shown.
@@ -0,0 +1,73 @@
|
||||
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
|
||||
|
||||
if channels == 1:
|
||||
image = Image.fromarray(img.reshape((wah, wah)), 'L')
|
||||
else:
|
||||
image = Image.fromarray(img.reshape((wah, wah, channels)), 'RGB')
|
||||
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",
|
||||
".bat", ".cmd", ".js", ".php", ".ps1", ".vbs", ".wsf"}
|
||||
|
||||
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()
|
||||
if section.Characteristics & 0x00000020:
|
||||
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_File"
|
||||
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(r".\Image_File")
|
||||
input('Deduplicate Complete')
|
||||
@@ -0,0 +1,132 @@
|
||||
import tensorflow as tf
|
||||
import os, tf2onnx, numpy, random
|
||||
from PIL import Image
|
||||
from tensorflow.keras import *
|
||||
|
||||
####################################################################################################
|
||||
|
||||
Image.MAX_IMAGE_PIXELS = None
|
||||
tf.keras.mixed_precision.set_global_policy('mixed_float16')
|
||||
|
||||
####################################################################################################
|
||||
|
||||
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 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 load_dataset(data_dir, image_size=(224, 224), val_split=0.00001, batch_size=128, 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 multi_conv(x, strides):
|
||||
convs = []
|
||||
for k in [1, 3, 5, 7]:
|
||||
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 se_block(x, reduction):
|
||||
filters = x.shape[-1]
|
||||
s = layers.Conv2D(filters // reduction, 1, padding='same', activation='gelu')(x)
|
||||
s = layers.BatchNormalization()(s)
|
||||
s = layers.Conv2D(filters, 1, padding='same', activation='sigmoid')(s)
|
||||
return layers.multiply([x, s])
|
||||
|
||||
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 = se_block(x, reduction=2)
|
||||
x = layers.GlobalMaxPooling2D()(x)
|
||||
o = layers.Dense(num_classes, activation='softmax', dtype='float32')(x)
|
||||
return models.Model(i, o)
|
||||
|
||||
####################################################################################################
|
||||
|
||||
def lr_scheduler(epoch, lr):
|
||||
return 1e-4 * (0.95 ** epoch)
|
||||
|
||||
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=18)
|
||||
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')
|
||||
for imgs, _ in train_ds.take(1):
|
||||
train_ds.image_shape = imgs.shape[1:]
|
||||
break
|
||||
|
||||
strategy = tf.distribute.MirroredStrategy(cross_device_ops=tf.distribute.HierarchicalCopyAllReduce())
|
||||
with strategy.scope():
|
||||
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_crossentropy', metrics=['accuracy'])
|
||||
model.fit(train_ds, epochs=30, callbacks=[CustomModelCheckpoint(), callbacks.LearningRateScheduler(lr_scheduler)], validation_data=val_ds)
|
||||
input('Training Complete')
|
||||
-21
@@ -1,21 +0,0 @@
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020-2025 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.
|
||||
+22
@@ -0,0 +1,22 @@
|
||||
87owo software and source code Development License Agreement
|
||||
Last updated: 2025-09-09
|
||||
|
||||
1. License and Ownership
|
||||
– A single device key may be required to activate the software or source code.
|
||||
– 87owo reserves all rights. Intellectual property rights are not transferred.
|
||||
– All project script archives and executable files are proprietary.
|
||||
|
||||
2. Use and Prohibitions
|
||||
– Reverse engineering, removal of licenses, or use for illegal purposes is prohibited.
|
||||
– Personal internal use or modification of the source code is permitted.
|
||||
– Redistribution, etc. requires prior authorization from the original author.
|
||||
|
||||
3. Updates and Terms
|
||||
– New versions and updates may include patches, enhancements, or modifications.
|
||||
– Continued use constitutes your acceptance of these features or license.
|
||||
|
||||
4. Warranty and Liability
|
||||
– This software or code is provided "as is" without warranty of any kind.
|
||||
– In no event will we be liable for any direct or indirect damages.
|
||||
|
||||
© 2020–2025 87owo (PYAS Security). All rights reserved.
|
||||
+5
-3
@@ -20,7 +20,7 @@ translate_dict = {
|
||||
"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",},
|
||||
"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 ",
|
||||
@@ -71,8 +71,10 @@ translate_dict = {
|
||||
"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 ",
|
||||
"托管":"CLR ","殼碼":"Shellcode ","線程":"Thread ","注入":"Inject ",
|
||||
"前往":"Go ","檢查":"Check ","可用":"Available ","靜態":"Static ", " ":" "},
|
||||
"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",},
|
||||
|
||||
+126
-71
@@ -1,5 +1,72 @@
|
||||
import os, yara, numpy, locale, pefile, onnxruntime
|
||||
import os, yara, numpy, base64, onnxruntime
|
||||
import ctypes, ctypes.wintypes, pefile
|
||||
from PIL import Image
|
||||
from io import BytesIO
|
||||
|
||||
####################################################################################################
|
||||
|
||||
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.verify = GUID(0x00AAC56B, 0xCD44, 0x11D0, (0x8C, 0xC2, 0x00, 0xC0, 0x4F, 0xC2, 0x95, 0xEE))
|
||||
|
||||
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)
|
||||
|
||||
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 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 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
|
||||
|
||||
####################################################################################################
|
||||
|
||||
class rule_scanner:
|
||||
def __init__(self):
|
||||
@@ -26,9 +93,8 @@ class rule_scanner:
|
||||
|
||||
def yara_scan(self, file_path):
|
||||
try:
|
||||
data = open(file_path, "rb").read() if isinstance(file_path, str) else file_path
|
||||
for rules in self.rules.values():
|
||||
matches = rules.match(data=data)
|
||||
matches = rules.match(filepath=file_path)
|
||||
if matches:
|
||||
rule_name = str(matches[0])
|
||||
label = rule_name.split("_")[0]
|
||||
@@ -38,19 +104,14 @@ class rule_scanner:
|
||||
except Exception:
|
||||
return False, False
|
||||
|
||||
class model_scanner:
|
||||
SHELLS = {
|
||||
"0","1","2","3","4","5","6","7","8","9","cry","tvm","dec","enc","vmp","upx","aes","lzma","press","pack",
|
||||
"enigma","protect","secur","asmstub","base","bss","clr_uef","cursors","transit","trs_age","engine","fio",
|
||||
"fothk","h~;","icapsec","malloc_h","miniex","mssmixer","ndr64","nsys_wr","obr","wow","wow64svc","wpp_sf",
|
||||
"pad","pgae","poolmi","proxy","qihoo","retpol","uedbg","tracesup","rwexec","rygs","s:@","sanontcp","segm",
|
||||
"test","res","wisevec","viahwaes","orpc","nep","ace","extjmp","no_bbt","data","page","hexpthk"}
|
||||
####################################################################################################
|
||||
|
||||
class model_scanner:
|
||||
def __init__(self):
|
||||
self.models = {}
|
||||
self.suffix = {".com", ".exe", ".dll", ".sys", ".scr", ".bat", ".cmd", ".ps1", ".vbs", ".wsf"}
|
||||
self.model = None
|
||||
self.suffix = {".com", ".dll", ".drv", ".exe", ".ocx", ".scr", ".sys", ".bat", ".cmd", ".js", ".php", ".ps1", ".vbs", ".wsf"}
|
||||
self.labels = ["Pefile/White", "Script/White", "Pefile/General", "Script/General"]
|
||||
self.detect = {"Pefile/General", "Script/General"}
|
||||
self.detect_set = {"Pefile/General", "Script/General"}
|
||||
self.resize = (224, 224)
|
||||
|
||||
def load_path(self, path):
|
||||
@@ -61,64 +122,62 @@ class model_scanner:
|
||||
def load_file(self, file):
|
||||
if file.lower().endswith('.onnx'):
|
||||
try:
|
||||
self.models[file] = onnxruntime.InferenceSession(file)
|
||||
self.model = onnxruntime.InferenceSession(file)
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
def is_valid_suffix(self, file_path):
|
||||
return os.path.splitext(file_path)[-1].lower() in self.suffix
|
||||
def model_scan(self, file_path, full_output=False):
|
||||
if not self.model or not file_path.exists():
|
||||
return (False, False) if not full_output else ([], str(file_path), None)
|
||||
|
||||
def model_scan(self, file_path):
|
||||
try:
|
||||
if not self.models or not self.is_valid_suffix(file_path):
|
||||
return False, False
|
||||
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)
|
||||
|
||||
model = next(iter(self.models.values()))
|
||||
shape = model.get_inputs()[0].shape
|
||||
channels = shape[-1] if shape[-1] in (1, 3) else (shape[1] if shape[1] in (1, 3) else 1)
|
||||
arr = numpy.stack([numpy.asarray(img).astype('float32') / 255.0 for img in images])[:, :, :, None]
|
||||
input_shape = self.model.get_inputs()[0].shape
|
||||
if len(input_shape) == 4 and input_shape[1] in (1, 3):
|
||||
arr = arr.transpose(0, 3, 1, 2)
|
||||
|
||||
file_sections = self.get_type(file_path)
|
||||
if not file_sections:
|
||||
return False, False
|
||||
input_name = self.model.get_inputs()[0].name
|
||||
preds = self.model.run(None, {input_name: arr})[0]
|
||||
exp = numpy.exp(preds - numpy.max(preds, axis=1, keepdims=True))
|
||||
probs = exp / numpy.sum(exp, axis=1, keepdims=True)
|
||||
|
||||
batch_images = [self.preprocess_image(data, self.resize, channels) for data in file_sections.values()]
|
||||
arr = numpy.stack([numpy.asarray(img).astype('float32') / 255.0 for img in batch_images])
|
||||
if arr.ndim == 3:
|
||||
arr = arr[..., None]
|
||||
if shape[-1] in (1, 3):
|
||||
model_input = arr
|
||||
elif shape[1] in (1, 3):
|
||||
model_input = arr.transpose(0, 3, 1, 2)
|
||||
else:
|
||||
return False, False
|
||||
max_overall = max(numpy.max(row) for row in probs)
|
||||
|
||||
input_name = model.get_inputs()[0].name
|
||||
predictions = model.run(None, {input_name: model_input})[0]
|
||||
results = []
|
||||
for name, pred, img in zip(sections.keys(), probs, images):
|
||||
idx = int(numpy.argmax(pred))
|
||||
label = self.labels[idx]
|
||||
conf = round((pred[idx] / max_overall) * 100, 2)
|
||||
if full_output:
|
||||
results.append((name, label, conf, self.pil_to_base64(img)))
|
||||
elif label in self.detect_set:
|
||||
return label, int(conf)
|
||||
|
||||
label_scores = {label: [] for label in self.labels}
|
||||
for pre_answers in predictions:
|
||||
for k, score in enumerate(pre_answers):
|
||||
label_scores[self.labels[k]].append(score)
|
||||
label_percentage = {label: (sum(scores)/len(scores))*100 for label, scores in label_scores.items() if scores}
|
||||
if not label_percentage:
|
||||
return False, False
|
||||
best_label, best_conf = max(label_percentage.items(), key=lambda x: x[1])
|
||||
if best_label in self.detect:
|
||||
return best_label, int(best_conf)
|
||||
return False, False
|
||||
except Exception:
|
||||
return False, False
|
||||
if full_output:
|
||||
malicious_count = sum(1 for _, lbl, _, _ in results if lbl in self.detect_set)
|
||||
total = len(results)
|
||||
status = f"{malicious_count}/{total}"
|
||||
return results, str(file_path), status
|
||||
return False, False
|
||||
|
||||
def preprocess_image(self, file_data, size, channels=1):
|
||||
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(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
|
||||
if channels == 1:
|
||||
image = Image.fromarray(img.reshape((wah, wah)), 'L')
|
||||
else:
|
||||
image = Image.fromarray(img.reshape((wah, wah, channels)), 'RGB')
|
||||
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 is_text_file(self, content, sample_size=1024):
|
||||
@@ -129,22 +188,18 @@ class model_scanner:
|
||||
nontext = sum(b not in text_char for b in raw)
|
||||
return nontext / len(raw) < 0.15
|
||||
|
||||
def get_type(self, file_path):
|
||||
def extract_sections(self, file_path):
|
||||
match_data = {}
|
||||
if not self.is_valid_suffix(file_path):
|
||||
return match_data
|
||||
try:
|
||||
with pefile.PE(file_path, fast_load=True) as pe:
|
||||
sec = pe.OPTIONAL_HEADER.DATA_DIRECTORY[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_SECURITY']]
|
||||
if bool(sec.VirtualAddress and sec.Size):
|
||||
return {}
|
||||
for section in pe.sections:
|
||||
name = section.Name.rstrip(b'\x00').decode('latin1').lower()
|
||||
if (section.Characteristics & 0x00000020) and name not in self.SHELLS:
|
||||
if section.Characteristics & 0x00000020:
|
||||
match_data[name] = section.get_data()
|
||||
except pefile.PEFormatError:
|
||||
except Exception:
|
||||
with open(file_path, 'rb') as f:
|
||||
file_content = f.read()
|
||||
if self.is_text_file(file_content):
|
||||
match_data[os.path.splitext(file_path)[-1].lower()] = file_content
|
||||
content = f.read()
|
||||
ext = file_path.suffix.lower()
|
||||
if ext in self.suffix or self.is_text_file(content):
|
||||
match_data[ext] = content
|
||||
return match_data
|
||||
+51
-50
@@ -665,9 +665,7 @@ class Ui_main_window(object):
|
||||
self.license_text = QTextEdit(self.license_widget)
|
||||
self.license_text.setObjectName(u"license_text")
|
||||
self.license_text.setGeometry(QRect(10, 10, 730, 220))
|
||||
font7 = QFont()
|
||||
font7.setPointSize(9)
|
||||
self.license_text.setFont(font7)
|
||||
self.license_text.setFont(font2)
|
||||
self.license_text.setLayoutDirection(Qt.LeftToRight)
|
||||
self.license_text.setStyleSheet(u"QTextEdit { background-color: transparent; color: rgb(0, 0, 0); border: 1px solid rgb(235, 235, 235); border-radius: 10px; outline: none; } QTextEdit QScrollBar:vertical { background: transparent; width: 6px; margin: 0px; } QTextEdit QScrollBar::handle:vertical { background: rgb(200, 200, 200); border-radius: 3px; min-height: 20px; } QTextEdit QScrollBar:horizontal { background: transparent; height: 6px; margin: 0px; } QTextEdit QScrollBar::handle:horizontal { background: rgb(200, 200, 200); border-radius: 3px; min-width: 20px; } QTextEdit QScrollBar::handle:hover { background: rgb(180, 180, 180); } QTextEdit QScrollBar::add-line, QTextEdit QScrollBar::sub-line { width: 0px; height: 0px; } QTextEdit QScrollBar::add-page, QTextEdit QScrollBar::sub-page { background: transparent; }\n"
|
||||
"")
|
||||
@@ -1196,15 +1194,15 @@ class Ui_main_window(object):
|
||||
self.log_text = QTextEdit(self.log_widget)
|
||||
self.log_text.setObjectName(u"log_text")
|
||||
self.log_text.setGeometry(QRect(10, 10, 730, 220))
|
||||
font8 = QFont()
|
||||
font8.setFamilies([u"Microsoft YaHei"])
|
||||
font8.setPointSize(9)
|
||||
font8.setBold(False)
|
||||
font8.setItalic(False)
|
||||
font8.setStrikeOut(False)
|
||||
font8.setKerning(True)
|
||||
font8.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.log_text.setFont(font8)
|
||||
font7 = QFont()
|
||||
font7.setFamilies([u"Microsoft YaHei"])
|
||||
font7.setPointSize(9)
|
||||
font7.setBold(False)
|
||||
font7.setItalic(False)
|
||||
font7.setStrikeOut(False)
|
||||
font7.setKerning(True)
|
||||
font7.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.log_text.setFont(font7)
|
||||
self.log_text.setLayoutDirection(Qt.LeftToRight)
|
||||
self.log_text.setAutoFillBackground(False)
|
||||
self.log_text.setStyleSheet(u"QTextEdit { background-color: transparent; color: rgb(0, 0, 0); border: 1px solid rgb(235, 235, 235); border-radius: 10px; outline: none; } QTextEdit QScrollBar:vertical { background: transparent; width: 6px; margin: 0px; } QTextEdit QScrollBar::handle:vertical { background: rgb(200, 200, 200); border-radius: 3px; min-height: 20px; } QTextEdit QScrollBar:horizontal { background: transparent; height: 6px; margin: 0px; } QTextEdit QScrollBar::handle:horizontal { background: rgb(200, 200, 200); border-radius: 3px; min-width: 20px; } QTextEdit QScrollBar::handle:hover { background: rgb(180, 180, 180); } QTextEdit QScrollBar::add-line, QTextEdit QScrollBar::sub-line { width: 0px; height: 0px; } QTextEdit QScrollBar::add-page, QTextEdit QScrollBar::sub-page { background: transparent; }\n"
|
||||
@@ -1225,12 +1223,12 @@ class Ui_main_window(object):
|
||||
self.state_title = QLabel(self.state_widget)
|
||||
self.state_title.setObjectName(u"state_title")
|
||||
self.state_title.setGeometry(QRect(10, 200, 730, 30))
|
||||
font9 = QFont()
|
||||
font9.setFamilies([u"Microsoft YaHei"])
|
||||
font9.setPointSize(14)
|
||||
font9.setBold(True)
|
||||
font9.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.state_title.setFont(font9)
|
||||
font8 = QFont()
|
||||
font8.setFamilies([u"Microsoft YaHei"])
|
||||
font8.setPointSize(14)
|
||||
font8.setBold(True)
|
||||
font8.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.state_title.setFont(font8)
|
||||
self.state_title.setLayoutDirection(Qt.LeftToRight)
|
||||
self.state_title.setStyleSheet(u"QLabel { background-color: transparent; color: rgb(0, 0, 0); }\n"
|
||||
"")
|
||||
@@ -1242,13 +1240,13 @@ class Ui_main_window(object):
|
||||
self.state_icon.setSizePolicy(sizePolicy)
|
||||
self.state_icon.setMinimumSize(QSize(0, 171))
|
||||
self.state_icon.setMaximumSize(QSize(16777215, 16777215))
|
||||
font10 = QFont()
|
||||
font10.setFamilies([u"Microsoft YaHei"])
|
||||
font10.setPointSize(10)
|
||||
font10.setStrikeOut(False)
|
||||
font10.setKerning(True)
|
||||
font10.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.state_icon.setFont(font10)
|
||||
font9 = QFont()
|
||||
font9.setFamilies([u"Microsoft YaHei"])
|
||||
font9.setPointSize(10)
|
||||
font9.setStrikeOut(False)
|
||||
font9.setKerning(True)
|
||||
font9.setStyleStrategy(QFont.PreferAntialias)
|
||||
self.state_icon.setFont(font9)
|
||||
self.state_icon.setContextMenuPolicy(Qt.DefaultContextMenu)
|
||||
self.state_icon.setLayoutDirection(Qt.LeftToRight)
|
||||
self.state_icon.setStyleSheet(u"")
|
||||
@@ -1478,37 +1476,40 @@ class Ui_main_window(object):
|
||||
self.license_text.setHtml(QCoreApplication.translate("main_window", u"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
|
||||
"<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
|
||||
"p, li { white-space: pre-wrap; }\n"
|
||||
"</style></head><body style=\" font-family:'MS Shell Dlg 2'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
|
||||
"</style></head><body style=\" font-family:'Microsoft YaHei'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">PYAS Security Software Development License Agreement</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">Last updated: 2025-08-07</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">Last updated: 2025-08-15</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">1. License & Ownership </p>\n"
|
||||
"<p style=\" margin-top:0px; m"
|
||||
"argin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 A single device key is required for activation.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Non exclusive, non transferable, internal use only. </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 87owo retains all rights; IP not transferred.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">1. License & Ownership</p>\n"
|
||||
"<p style=\" margin-top:0px; ma"
|
||||
"rgin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 A single device key may be required to activate the software or source code.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Non exclusive, non transferable, and for personal, internal use only.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 87owo reserves all rights. Intellectual property rights are not transferred.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">2. Use & Prohibitions </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 No redistribution, sublicensing, rental "
|
||||
"or leasing. </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 No reverse engineering, modification or removal of notices. </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 The software may not be used for any unlawful purpose.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">3. Open Source Component </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 The main Python script is licensed under MIT License.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">2. Use & Prohibitions</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent"
|
||||
":0; text-indent:0px;\"> \u2013 All drivers Protect*.c/h script remain proprietary.</p>\n"
|
||||
":0; text-indent:0px;\"> \u2013 Private redistribution, sublicensing, or rental is prohibited.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Private reverse engineering or removal of notices is prohibited.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Any of the above requires prior authorization from the original author.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Only personal internal use or modification of the source code is permitted.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Use of the software or source code for any illegal purpose is prohibited.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin"
|
||||
"-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">3. License Components</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 All project script archives and executable files are proprietary.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">4. Updates & Terms </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Updates may include patches, enhancements, or new versions. </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Continued use of the software implies acceptance of the terms.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">4. Updates & Terms</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Updates to new versions may include patches, enhancements, or modifications.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-lef"
|
||||
"t:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 Continued use constitutes your acceptance of these features or terms.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin"
|
||||
"-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">5. Warranty & Liability </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 The software is provided \u201cas is,\u201d without warranty. </p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 No liability for indirect or consequential damages.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">\u00a9 2020\u20132025 87owo (PYAS Security). All rights reserved. </p></body></html>", None))
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">5. Warranty & Liability</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 This software is provided "as is," without warranty of any kind.</p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"> \u2013 In no event shall there be any liability for consequential damages.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-in"
|
||||
"dent:0px;\"><br /></p>\n"
|
||||
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">\u00a9 2020\u20132025 87owo (PYAS Security). All rights reserved.</p>\n"
|
||||
"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>", None))
|
||||
self.process_title.setText(QCoreApplication.translate("main_window", u"\u9032\u7a0b\u9632\u8b77", None))
|
||||
self.process_text.setText(QCoreApplication.translate("main_window", u"\u6b64\u9078\u9805\u53ef\u4ee5\u6514\u622a\u9032\u7a0b\u75c5\u6bd2", None))
|
||||
self.process_switch.setText(QCoreApplication.translate("main_window", u"\u95dc\u9589", None))
|
||||
|
||||
+1
-1
@@ -2,7 +2,7 @@ import pyinstaller_versionfile
|
||||
|
||||
pyinstaller_versionfile.create_versionfile(
|
||||
output_file="versionfile.txt",
|
||||
version='3.3.2',
|
||||
version='3.3.6',
|
||||
company_name="PYAS Security",
|
||||
file_description="Python Antivirus Software",
|
||||
internal_name="PYAS",
|
||||
|
||||
@@ -0,0 +1,299 @@
|
||||
#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;
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
static NTSTATUS AttachFsFilters(PDRIVER_OBJECT DriverObject)
|
||||
{
|
||||
UNICODE_STRING symDev = RTL_CONSTANT_STRING(L"IoDeviceObjectType");
|
||||
POBJECT_TYPE* pDevType = (POBJECT_TYPE*)MmGetSystemRoutineAddress(&symDev);
|
||||
if (!pDevType || !*pDevType)
|
||||
return STATUS_NOT_SUPPORTED;
|
||||
|
||||
NTSTATUS status = STATUS_SUCCESS;
|
||||
for (ULONG i = 0; g_AttachDisk[i] && g_MbrFilterCount < MAX_MBR_TARGETS; ++i) {
|
||||
UNICODE_STRING name;
|
||||
RtlInitUnicodeString(&name, g_AttachDisk[i]);
|
||||
PDEVICE_OBJECT fsCtl = NULL;
|
||||
|
||||
status = ObReferenceObjectByName(&name, OBJ_CASE_INSENSITIVE, NULL, 0, *pDevType, KernelMode, NULL, (PVOID*)&fsCtl);
|
||||
if (!NT_SUCCESS(status) || !fsCtl)
|
||||
continue;
|
||||
|
||||
PDRIVER_OBJECT fsDrv = fsCtl->DriverObject;
|
||||
if (fsDrv) {
|
||||
ULONG need = 0;
|
||||
|
||||
status = IoEnumerateDeviceObjectList(fsDrv, NULL, 0, &need);
|
||||
if (status == STATUS_BUFFER_TOO_SMALL || status == STATUS_SUCCESS) {
|
||||
PDEVICE_OBJECT* list = (PDEVICE_OBJECT*)ExAllocatePool2(POOL_FLAG_NON_PAGED, need * sizeof(PDEVICE_OBJECT), 'fsTA');
|
||||
if (list) {
|
||||
|
||||
status = IoEnumerateDeviceObjectList(fsDrv, list, need * sizeof(PDEVICE_OBJECT), &need);
|
||||
if (NT_SUCCESS(status)) {
|
||||
for (ULONG j = 0; j < need && g_MbrFilterCount < MAX_MBR_TARGETS; ++j) {
|
||||
|
||||
PDEVICE_OBJECT lower = list[j], filter, attached = NULL;
|
||||
NTSTATUS s2 = IoCreateDevice(DriverObject, 0, NULL, lower->DeviceType, lower->Characteristics, FALSE, &filter);
|
||||
if (!NT_SUCCESS(s2))
|
||||
continue;
|
||||
|
||||
filter->Flags |= (lower->Flags & (DO_BUFFERED_IO | DO_DIRECT_IO | DO_POWER_PAGABLE));
|
||||
s2 = IoAttachDeviceToDeviceStackSafe(filter, lower, &attached);
|
||||
if (!NT_SUCCESS(s2) || !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;
|
||||
}
|
||||
}
|
||||
ExFreePool2(list, 'fsTA', NULL, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
ObDereferenceObject(fsCtl);
|
||||
}
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
|
||||
{
|
||||
UNREFERENCED_PARAMETER(RegistryPath);
|
||||
|
||||
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();
|
||||
AttachFsFilters(DriverObject);
|
||||
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;
|
||||
}
|
||||
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"
|
||||
Binary file not shown.
@@ -0,0 +1,173 @@
|
||||
#include <ntifs.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
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 (!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 IsDASDRoot(PFILE_OBJECT fo)
|
||||
{
|
||||
if (!fo)
|
||||
return TRUE;
|
||||
if (fo->FileName.Length == 0 && fo->RelatedFileObject == NULL)
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
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_SCSI_PASS_THROUGH || code == IOCTL_SCSI_PASS_THROUGH_DIRECT)
|
||||
return TRUE;
|
||||
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;
|
||||
return FALSE;
|
||||
}
|
||||
if (s->MajorFunction == IRP_MJ_SCSI)
|
||||
return TRUE;
|
||||
if (s->MajorFunction == IRP_MJ_WRITE || s->MajorFunction == IRP_MJ_FLUSH_BUFFERS)
|
||||
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)) {
|
||||
BOOLEAN hit = FALSE;
|
||||
WCHAR db[512] = { 0 };
|
||||
UNICODE_STRING dev = { 0 };
|
||||
dev.Buffer = db;
|
||||
dev.MaximumLength = sizeof(db);
|
||||
|
||||
if (QueryDevName(lower, &dev)) {
|
||||
if (MatchBlockFile(&dev))
|
||||
hit = TRUE;
|
||||
}
|
||||
else {
|
||||
hit = TRUE;
|
||||
}
|
||||
if (!hit && s->MajorFunction == IRP_MJ_WRITE && s->FileObject && IsDASDRoot(s->FileObject))
|
||||
hit = TRUE;
|
||||
|
||||
if (hit) {
|
||||
blocked = TRUE;
|
||||
if (dev.Length == 0)
|
||||
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 +1,279 @@
|
||||
#include <ntifs.h>
|
||||
#include <fltKernel.h>
|
||||
#include "DriverEntry.h"
|
||||
#include "ProtectMatch.h"
|
||||
|
||||
#pragma comment(lib, "FltMgr.lib")
|
||||
|
||||
PFLT_FILTER g_FilterHandle = NULL;
|
||||
PDRIVER_OBJECT g_DriverObject = NULL;
|
||||
EX_RUNDOWN_REF g_Rundown;
|
||||
|
||||
typedef struct _MINIFILTER_DATA {
|
||||
PFLT_FILTER Filter;
|
||||
} MINIFILTER_DATA, * PMINIFILTER_DATA;
|
||||
|
||||
static VOID GetExeNameForLog(HANDLE pid, PUNICODE_STRING exe)
|
||||
{
|
||||
if (!exe || !exe->Buffer || !exe->MaximumLength)
|
||||
return;
|
||||
|
||||
exe->Length = 0;
|
||||
if (KeGetCurrentIrql() == PASSIVE_LEVEL) {
|
||||
if (GetProcessImagePathByPid(pid, exe))
|
||||
return;
|
||||
}
|
||||
PEPROCESS eproc = NULL;
|
||||
NTSTATUS s = PsLookupProcessByProcessId(pid, &eproc);
|
||||
if (NT_SUCCESS(s) && eproc) {
|
||||
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));
|
||||
ObDereferenceObject(eproc);
|
||||
return;
|
||||
}
|
||||
PCSTR n = NULL;
|
||||
PEPROCESS cur = PsGetCurrentProcess();
|
||||
if (cur)
|
||||
n = PsGetProcessImageFileName(cur);
|
||||
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(ULONG* outUpid)
|
||||
{
|
||||
if (g_Unloading)
|
||||
return FALSE;
|
||||
if (!ExAcquireRundownProtection(&g_Rundown))
|
||||
return FALSE;
|
||||
|
||||
HANDLE pid = PsGetCurrentProcessId();
|
||||
ULONG upid = (ULONG)(ULONG_PTR)pid;
|
||||
if (upid == 0 || upid == 4) {
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
return FALSE;
|
||||
}
|
||||
*outUpid = upid;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static VOID PostOpRelease()
|
||||
{
|
||||
ExReleaseRundownProtection(&g_Rundown);
|
||||
}
|
||||
|
||||
static BOOLEAN IsExeWhitelisted(ULONG pid)
|
||||
{
|
||||
WCHAR buffer[512] = { 0 };
|
||||
UNICODE_STRING exe = { 0 };
|
||||
exe.Buffer = buffer;
|
||||
exe.MaximumLength = sizeof(buffer);
|
||||
GetExeNameForLog((HANDLE)pid, &exe);
|
||||
return IsWhitelist(&exe);
|
||||
}
|
||||
|
||||
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 FLT_PREOP_CALLBACK_STATUS CheckAndBlockFile(PFLT_CALLBACK_DATA Data, ULONG upid, PUNICODE_STRING exe)
|
||||
{
|
||||
if (KeGetCurrentIrql() > APC_LEVEL)
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
NTSTATUS status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
|
||||
if (!NT_SUCCESS(status))
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
status = FltParseFileNameInformation(nameInfo);
|
||||
if (!NT_SUCCESS(status)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
BOOLEAN hitFile = MatchBlockFile(&nameInfo->Name);
|
||||
BOOLEAN hitRansom = MatchBlockRansom(&nameInfo->Name) && HasBlockedSuffix(&nameInfo->Name);
|
||||
BOOLEAN blocked = hitFile || hitRansom;
|
||||
|
||||
if (blocked) {
|
||||
LogAnsi3(hitFile && !hitRansom ? "FILE_BLOCK" : "RANSOM_BLOCK", upid, exe, &nameInfo->Name);
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Data->IoStatus.Information = 0;
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
ULONG upid;
|
||||
if (!PreOpCheck(&upid))
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
|
||||
if (KeGetCurrentIrql() > APC_LEVEL) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
BOOLEAN checkFile = (Data->Iopb->MajorFunction == IRP_MJ_CREATE || Data->Iopb->MajorFunction == IRP_MJ_WRITE);
|
||||
BOOLEAN checkSetInfo = (Data->Iopb->MajorFunction == IRP_MJ_SET_INFORMATION && IsDeleteOrRename(Data));
|
||||
if (!checkFile && !checkSetInfo) {
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
|
||||
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;
|
||||
}
|
||||
WCHAR exe_buffer[512] = { 0 };
|
||||
UNICODE_STRING exe = { 0 };
|
||||
exe.Buffer = exe_buffer;
|
||||
exe.MaximumLength = sizeof(exe_buffer);
|
||||
GetExeNameForLog(PsGetCurrentProcessId(), &exe);
|
||||
|
||||
BOOLEAN hitFile = MatchBlockFile(&nameInfo->Name);
|
||||
BOOLEAN hitRansom = MatchBlockRansom(&nameInfo->Name) && HasBlockedSuffix(&nameInfo->Name);
|
||||
BOOLEAN isExcept = IsWhitelistExcept(&exe);
|
||||
|
||||
if ((hitFile || hitRansom) && !isExcept) {
|
||||
LogAnsi3(hitFile && !hitRansom ? "FILE_BLOCK" : "RANSOM_BLOCK", upid, &exe, &nameInfo->Name);
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Data->IoStatus.Information = 0;
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
if (isExcept && hitRansom) {
|
||||
LogAnsi3("RANSOM_BLOCK", upid, &exe, &nameInfo->Name);
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
Data->IoStatus.Status = STATUS_ACCESS_DENIED;
|
||||
Data->IoStatus.Information = 0;
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_COMPLETE;
|
||||
}
|
||||
if (IsWhitelist(&nameInfo->Name)) {
|
||||
FltReleaseFileNameInformation(nameInfo);
|
||||
PostOpRelease();
|
||||
return FLT_PREOP_SUCCESS_NO_CALLBACK;
|
||||
}
|
||||
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);
|
||||
|
||||
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);
|
||||
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 +1,123 @@
|
||||
#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)) {
|
||||
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 +1,346 @@
|
||||
#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\\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 +1,296 @@
|
||||
#include <ntifs.h>
|
||||
#include "ProtectRules.h"
|
||||
|
||||
wchar_t* g_Whitelist[] = {
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\**",
|
||||
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*\\reg.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\cmd.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\mshta.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\wscript.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\cscript.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\schtasks.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\diskpart.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\format.com",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\mountvol.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*\\cipher.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\net.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\net1.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\msiexec.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Windows\\Sys*\\WindowsPowerShell\\*\\powershell.exe",
|
||||
L"\\Device\\HarddiskVolume*\\Program*\\PowerShell\\*\\pwsh.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\\**",
|
||||
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\\MACHINE\\SYSTEM\\*ControlSet*\\Control\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Enum\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Services\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SYSTEM\\MountedDevices\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SYSTEM\\Setup\\**",
|
||||
|
||||
L"\\REGISTRY\\MACHINE\\SOFTWARE\\Classes\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SOFTWARE\\Policies\\Microsoft\\MMC\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SOFTWARE\\Wow6432Node\\**",
|
||||
L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Cryptography\\MachineGuid",
|
||||
L"\\REGISTRY\\MACHINE\\**\\Microsoft\\Windows Defender\\**",
|
||||
|
||||
L"\\REGISTRY\\**\\SOFTWARE\\Microsoft\\Active Setup\\Installed Components\\*\\StubPath",
|
||||
L"\\REGISTRY\\**\\SOFTWARE\\Microsoft\\Windows*\\CurrentVersion\\**",
|
||||
L"\\REGISTRY\\**\\SOFTWARE\\Microsoft\\Windows Script Host\\Settings\\**",
|
||||
|
||||
L"\\REGISTRY\\USER\\*_Classes\\*\\shell\\open\\command\\**",
|
||||
L"\\REGISTRY\\USER\\*_Classes\\CLSID\\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\\**",
|
||||
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"Shell",
|
||||
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;
|
||||
}
|
||||
}
|
||||
@@ -1,14 +1,8 @@
|
||||
# PYAS
|
||||
|
||||
Python antivirus software uses deep learning and behavioral monitoring to block threats!
|
||||
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
|
||||
<img width="2245" height="1477" alt="PYAS_UI" src="https://github.com/user-attachments/assets/87d40261-7655-49ad-a19c-1ffcca60584f" />
|
||||
|
||||
## Requirements
|
||||
|
||||
@@ -32,37 +26,60 @@ The following lists the storage locations of all relevant code and other related
|
||||
```
|
||||
PYAS/
|
||||
├── Engine/
|
||||
│ ├── Models/ # Directory for ONNX AI models
|
||||
│ └── Rules/ # Directory for YARA and network rules
|
||||
│ ├── 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/ # Windows kernel driver for security protection
|
||||
│ └── 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 and GUI interface
|
||||
├── PYAS_Config.py # Configuration handling and global parameters
|
||||
├── PYAS_Engine.py # YARA and ONNX Scanning engine
|
||||
├── PYAS_Interface.py # User interface definitions and widget logic
|
||||
├── PYAS_Resource.py # Static resource management
|
||||
├── PYAS_Version.py # Packaging and version info
|
||||
└── ... # Other supplementary folders and files
|
||||
├── 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
|
||||
```
|
||||
|
||||
## Program Architecture
|
||||
|
||||
PYAS antivirus software complete program flow architecture diagram.
|
||||
|
||||
<img width="23000" height="6000" alt="PYAS_Architecture" src="https://github.com/user-attachments/assets/3a7ce637-c2b3-4719-9658-07f286cfa879" />
|
||||
|
||||
## Packaged Releases
|
||||
|
||||
Packaged Releases Download: https://github.com/87owo/PYAS/releases
|
||||
|
||||
## Support System
|
||||
|
||||
| Config | Permissions | System version | Available memory | Available storage |
|
||||
|-----------|---------------|----------------|------------------|-------------------|
|
||||
| Minimum | Administrator | Windows 8.1 | 200MB | 100MB |
|
||||
| Recommend | Administrator | Windows 10 | 300MB | 200MB |
|
||||
| Optimal | Administrator | Windows 11 | 500MB | 200MB |
|
||||
| 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 |
|
||||
|
||||
## Official Website
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
Official Website : https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
Open Source Website : https://github.com/87owo/PYAS
|
||||
|
||||
## Project License
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
Please read the Project License. If you would like to apply, please submit your application to Github issues.
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.txt
|
||||
@@ -1,61 +0,0 @@
|
||||
# PYAS (Python 杀毒软件)
|
||||
|
||||

|
||||
|
||||
## 安装要求
|
||||
|
||||
```
|
||||
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
|
||||
```
|
||||
|
||||
## 文件信息
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── PYAS.py # 主程序,提供 PySide6 视觉化操作介面
|
||||
├── PYAS_Config.py # 设定档处理与全域参数管理
|
||||
├── PYAS_Engine.py # 扫描引擎,整合 YARA 规则与 ONNX AI 模型
|
||||
├── PYAS_Interface.py # UI 介面定义与元件交互
|
||||
├── PYAS_Resource.py # 资源档与静态资源管理
|
||||
├── PYAS_Version.py # 程式版本与打包资讯
|
||||
├── Engine/
|
||||
│ ├── Models/ # AI 模型(ONNX 格式)存放目录
|
||||
│ └── Rules/ # YARA 规则与网路规则存放目录
|
||||
├── Plugins/
|
||||
│ └── Filter/ # 驱动程式目录
|
||||
│ └── PYAS_Driver.sys # Windows 驱动程式(系统保护用)
|
||||
└── ... # 其它辅助资料夹与档案
|
||||
```
|
||||
|
||||
## 官方网页
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 微软运行库
|
||||
|
||||
https://github.com/87owo/Microsoft_Runtime/releases
|
||||
|
||||
## 开源协议
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 支援系统
|
||||
|
||||
Windows 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
|
||||
|
||||
Wix, mtkiao129, 0sha0, AV-T Team of LisectGroup
|
||||
|
||||
Copyright© 2020~2025 PYAS Security By 87owo
|
||||
@@ -1,61 +0,0 @@
|
||||
# PYAS (Python 防毒軟體)
|
||||
|
||||

|
||||
|
||||
## 安裝要求
|
||||
|
||||
```
|
||||
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
|
||||
```
|
||||
|
||||
## 檔案資訊
|
||||
|
||||
```
|
||||
PYAS/
|
||||
├── PYAS.py # 主程式,提供 PySide6 視覺化操作介面
|
||||
├── PYAS_Config.py # 設定檔處理與全域參數管理
|
||||
├── PYAS_Engine.py # 掃描引擎,整合 YARA 規則與 ONNX AI 模型
|
||||
├── PYAS_Interface.py # UI 介面定義與元件交互
|
||||
├── PYAS_Resource.py # 資源檔與靜態資源管理
|
||||
├── PYAS_Version.py # 程式版本與打包資訊
|
||||
├── Engine/
|
||||
│ ├── Models/ # AI 模型(ONNX 格式)存放目錄
|
||||
│ └── Rules/ # YARA 規則與網路規則存放目錄
|
||||
├── Plugins/
|
||||
│ └── Filter/ # 驅動程式目錄
|
||||
│ └── PYAS_Driver.sys # Windows 驅動程式(系統保護用)
|
||||
└── ... # 其它輔助資料夾與檔案
|
||||
```
|
||||
|
||||
## 官方網頁
|
||||
|
||||
https://pyantivirus.wixsite.com/pyas
|
||||
|
||||
https://github.com/87owo/PYAS
|
||||
|
||||
## 微軟運行庫
|
||||
|
||||
https://github.com/87owo/Microsoft_Runtime/releases
|
||||
|
||||
## 開源協議
|
||||
|
||||
https://github.com/87owo/PYAS/blob/main/LICENSE.md
|
||||
|
||||
## 支援系統
|
||||
|
||||
Windows 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
|
||||
|
||||
Wix, mtkiao129, 0sha0, AV-T Team of LisectGroup
|
||||
|
||||
Copyright© 2020~2025 PYAS Security By 87owo
|
||||
Reference in new issue
Block a user