Add files via upload

refactor: replace ifs with dicts/sets + simplify exception handling

Engine/Model/convert.py

@@ -0,0 +1,55 @@
+from PIL import Image
+import numpy, os
+
+####################################################################################################
+
+def preprocess_image(file_data, size, channels=1):
+    width, height = size
+    wah = int(numpy.ceil(numpy.sqrt(len(file_data) / channels)))
+    arr = numpy.frombuffer(file_data, dtype=numpy.uint8)
+    img = numpy.zeros(wah*wah*channels, dtype=numpy.uint8)
+    img[:len(file_data)] = arr
+    image = Image.fromarray(img.reshape((wah, wah)), 'L')
+    return image.resize((width, height), Image.Resampling.NEAREST)
+
+####################################################################################################
+
+def get_type(file_path):
+    suffix = {".com", ".dll", ".drv", ".exe", ".ocx", ".scr", ".sys", ".mui", ".cpl"}
+    try:
+        file_content = None
+        if not os.path.splitext(file_path)[-1].lower() in suffix:
+            return file_content
+        with open(file_path, 'rb') as f:
+            file_content = f.read()
+    except:
+        pass
+    return file_content
+
+####################################################################################################
+
+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)
+                file_content = get_type(file_path)
+                if file_content:
+                    print(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(file_content, (224, 224))
+                    safe_name = os.path.basename(file_path).replace('/', '_').replace('\\', '_')
+                    image.save(os.path.join(output_path_dir, f"{safe_name}.png"))
+            except Exception as e:
+                print(e)
+
+####################################################################################################
+
+input_directory = input('Enter the folder path: ')
+output_directory = "./Image_Output"
+file_to_images(input_directory, output_directory)
+input('Conversion Complete')

Engine/Model/deduplicate.py

@@ -0,0 +1,34 @@
+import os, hashlib
+
+####################################################################################################
+
+def calc_sha256(path):
+    with open(path, "rb") as f:
+        return hashlib.sha256(f.read()).digest()
+
+def dedup_realtime(root):
+    seen = set()
+    deleted = 0
+    for dirpath, _, files in os.walk(root):
+        for name in files:
+            p = os.path.join(dirpath, name)
+            try:
+                h = calc_sha256(p)
+            except Exception:
+                continue
+            if h in seen:
+                try:
+                    os.remove(p)
+                    print(p)
+                    deleted += 1
+                except Exception:
+                    pass
+            else:
+                seen.add(h)
+    print(f"deleted {deleted}")
+
+####################################################################################################
+
+if __name__ == "__main__":
+    dedup_realtime(input("Input file path: "))
+input('Deduplicate Complete')

Engine/Model/train.py

@@ -0,0 +1,163 @@
+import tensorflow as tf
+import os, tf2onnx, numpy, random
+from PIL import Image
+from tensorflow.keras import *
+from collections import Counter
+
+####################################################################################################
+
+Image.MAX_IMAGE_PIXELS = None
+tf.keras.mixed_precision.set_global_policy('mixed_float16')
+
+####################################################################################################
+
+def load_dataset(data_dir, image_size=(224, 224), val_split=0.00001, batch_size=256, color_mode="grayscale"):
+    channels = 1 if color_mode == "grayscale" else 3
+    file_paths, labels, class_indices = get_file_list(data_dir)
+    
+    combined = list(zip(file_paths, labels))
+    random.shuffle(combined)
+    file_paths[:], labels[:] = zip(*combined)
+
+    num_val = int(val_split * len(file_paths))
+    train_files = file_paths[num_val:]
+    train_labels = labels[num_val:]
+    val_files = file_paths[:num_val]
+    val_labels = labels[:num_val]
+    num_classes = len(class_indices)
+
+    train_ds = tf.data.Dataset.from_tensor_slices((train_files, train_labels))
+    train_ds = train_ds.map(lambda f, l: parse_fn(f, l, image_size, channels, num_classes), num_parallel_calls=tf.data.AUTOTUNE)
+    train_ds = train_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
+
+    val_ds = tf.data.Dataset.from_tensor_slices((val_files, val_labels))
+    val_ds = val_ds.map(lambda f, l: parse_fn(f, l, image_size, channels, num_classes), num_parallel_calls=tf.data.AUTOTUNE)
+    val_ds = val_ds.batch(batch_size).prefetch(tf.data.AUTOTUNE)
+
+    train_ds.class_indices = class_indices
+    return train_ds, val_ds
+
+####################################################################################################
+
+def parse_fn(filename, label, image_size, channels, num_classes):
+    img = tf.io.read_file(filename)
+    img = tf.image.decode_image(img, channels=channels, expand_animations=False)
+    img = tf.cond(tf.reduce_all(tf.equal(tf.shape(img)[:2], image_size)), lambda: tf.cast(img, tf.float32), lambda: tf.image.resize(img, image_size))
+    img = tf.cast(img, tf.float32) / 255.0
+    label = tf.one_hot(label, depth=num_classes)
+    return img, label
+
+def get_file_list(directory):
+    file_paths, labels, class_indices = [], [], {}
+    for i, cls in enumerate(sorted([d for d in os.listdir(directory) if os.path.isdir(os.path.join(directory, d))])):
+        class_indices[cls] = i
+        cls_dir = os.path.join(directory, cls)
+
+        for root, _, files in os.walk(cls_dir):
+            for file in files:
+                if file.lower().endswith(('.jpg', '.jpeg', '.png', '.bmp', '.gif')):
+                    file_paths.append(os.path.join(root, file))
+                    labels.append(i)
+    return file_paths, labels, class_indices
+
+####################################################################################################
+
+def multi_conv(x, strides):
+    convs = []
+    for k in [(1, 7), (1, 1), (3, 3), (5, 5)]:
+        c = layers.DepthwiseConv2D(kernel_size=k, strides=strides, padding='same', activation='gelu')(x)
+        convs.append(c)
+
+    x = layers.Concatenate()(convs)
+    x = layers.BatchNormalization()(x)
+    return layers.Activation('gelu')(x)
+
+def gated_conv(x, strides):
+    c = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='gelu')(x)
+    g = layers.DepthwiseConv2D(3, strides=strides, padding='same', activation='sigmoid')(x)
+    return layers.Multiply()([c, g])
+
+def coordinate_attention(x, reduction):
+    input_shape = tf.shape(x)
+    h, w = input_shape[1], input_shape[2]
+    filters = x.shape[-1]
+    mip = max(8, filters // reduction)
+
+    x_h = layers.Lambda(lambda t: tf.reduce_mean(t, axis=2, keepdims=True))(x)
+    x_w = layers.Lambda(lambda t: tf.reduce_mean(t, axis=1, keepdims=True))(x)
+    x_w_t = layers.Permute((2, 1, 3))(x_w)
+
+    x_cat = layers.Concatenate(axis=1)([x_h, x_w_t])
+    x_cat = layers.Conv2D(mip, 1, padding='valid', use_bias=False)(x_cat)
+    x_cat = layers.BatchNormalization()(x_cat)
+    x_cat = layers.Activation('gelu')(x_cat)
+
+    x_cat_h, x_cat_w = layers.Lambda(lambda t: tf.split(t[0], [t[1], t[2]], axis=1))([x_cat, h, w])
+    x_h_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_h)
+    x_cat_w = layers.Permute((2, 1, 3))(x_cat_w)
+    x_w_sigmoid = layers.Conv2D(filters, 1, padding='valid', activation='sigmoid')(x_cat_w)
+
+    return layers.Multiply()([x, x_h_sigmoid, x_w_sigmoid])
+
+def build_model(input_shape, num_classes):
+    i = layers.Input(shape=input_shape)
+    x = multi_conv(i, strides=1)
+    x = gated_conv(x, strides=2)
+    x = multi_conv(x, strides=2)
+    x = multi_conv(x, strides=2)
+    x = multi_conv(x, strides=2)
+    x = multi_conv(x, strides=2)
+
+    x = coordinate_attention(x, reduction=4)
+    x = layers.GlobalMaxPooling2D()(x)
+
+    x = layers.Dense(x.shape[-1] // 2, activation='gelu', dtype='float32')(x)
+    o = layers.Dense(num_classes, activation='softmax', dtype='float32')(x)
+    return models.Model(i, o)
+
+####################################################################################################
+
+def calculate_lr_cosine_sq(epoch, total_epochs=30, lr_start=5e-4, lr_end=5e-7):
+    cos_val = 0.5 * (1 + numpy.cos(epoch / total_epochs * numpy.pi))
+    return lr_end + (lr_start - lr_end) * (cos_val ** 2)
+
+def lr_scheduler(epoch):
+    return calculate_lr_cosine_sq(epoch)
+
+def categorical_focal_loss(gamma=2.0, alpha=0.25):
+    def focal_loss(y_true, y_pred):
+        y_pred = tf.clip_by_value(y_pred, tf.keras.backend.epsilon(), 1.0 - tf.keras.backend.epsilon())
+        cross_entropy = -y_true * tf.math.log(y_pred)
+        loss = alpha * tf.math.pow(1.0 - y_pred, gamma) * cross_entropy
+        return tf.reduce_sum(loss, axis=-1)
+    return focal_loss
+
+class CustomModelCheckpoint(callbacks.Callback):
+    def on_epoch_end(self, epoch, logs=False):
+        models.save_model(self.model, f"PYAS_Model_Epoch_{epoch + 1}.h5")
+        spec = (tf.TensorSpec((None,) + train_ds.image_shape, tf.float32),)
+        model_proto, _ = tf2onnx.convert.from_keras(self.model, input_signature=spec, opset=17)
+        with open(f"PYAS_Model_Epoch_{epoch + 1}.onnx", "wb") as f:
+            f.write(model_proto.SerializeToString())
+
+####################################################################################################
+
+train_ds, val_ds = load_dataset(r'.\Image_Full_Pefile')
+for imgs, _ in train_ds.take(1):
+    train_ds.image_shape = imgs.shape[1:]
+    break
+
+try:
+    model = models.load_model('PYAS_Model_Epoch_0.h5')
+    print("Load model from disk")
+except:
+    print("Creating a new model")
+    model = build_model(train_ds.image_shape, len(train_ds.class_indices))
+
+print(f"Total parameters: {model.count_params()}")
+model.compile(optimizer='adam', loss=categorical_focal_loss(gamma=2.0, alpha=0.25), 
+    metrics=['accuracy', metrics.Precision(name='precision'), metrics.Recall(name='recall'),
+    metrics.FalsePositives(name='fp'), metrics.TrueNegatives(name='tn')])
+
+model.fit(train_ds, epochs=30, callbacks=[CustomModelCheckpoint(), callbacks.LearningRateScheduler(lr_scheduler)], validation_data=val_ds)
+input('Training Complete')

LICENSE.md

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2022 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.

LICENSE.txt

@@ -0,0 +1,31 @@
+87owo Publicly Available Source Code License Agreement
+Last updated: 2025-12-19
+
+1. License and Ownership
+   - This software and its source code are source available for public view.
+   - Access or execution of certain features may require an activation key.
+   - 87owo reserves all legal rights, no intellectual property is transferred.
+   - All project archives, source code, and binaries remain fully proprietary.
+
+2. Use and Prohibitions
+   - You may view, download, and modify the code for local and personal use.
+   - Redistribution of any original or modified code requires prior consent.
+   - Commercial hosting or SaaS deployment is prohibited without permission.
+   - Reverse engineering, license removal, or illegal use is strictly barred.
+
+3. Data and Privacy
+   - This project may collect operational data for optimization and analysis.
+   - All collected data is strictly anonymized to ensure the user's privacy.
+   - Transmission of information is encrypted to prevent unauthorized access.
+
+4. Updates and Terms
+   - New releases may include critical patches, enhancements, or UI changes.
+   - Continued use of these services constitutes acceptance of updated terms.
+   - The author reserves the right to modify these license terms at any time.
+
+5. Warranty and Liability
+   - All services and assets are provided "as is" without any form of warranty.
+   - 87owo is not liable for any direct or indirect damages from software use.
+   - Users assume all risks regarding performance, data, and system integrity.
+
+© 2020-2026 87owo (PYAS Security). All rights reserved.

Library/PYAE/Function/Viruslist.func

@@ -1,30 +0,0 @@
-GetSystemDirectory
-BroadcastSystemMessage
-BroadcastSystemMessage
-CreateIcon
-RegOpenCurrentUser
-RegSetValue
-RegCreateKey
-RegDeleteValue
-RegisterClass
-RegisterHotKey
-RegisterClipboardFormat
-RegisterWindowMessage
-RegisterClass
-CryptDestroyKey
-CryptGenKey
-CryptDecrypt
-CryptEncrypt
-CryptImportKey
-CryptSetKeyParam
-CryptDeriveKey
-CryptCreateHash
-CryptHashData
-CryptStringToBinary
-CryptBinaryToString
-CryptGetKeyParam
-CryptGetHashParam
-CryptDestroyHash
-CryptImportPublicKeyInfo
-UnlockFile
-LockFile

Library/PYAE/Hashes/Viruslist.num

@@ -1 +0,0 @@
-0

Library/PYAS/Setup/PYAS.key

@@ -1 +0,0 @@
-(pyas md5 hash)

PYAS_Config.py

@@ -0,0 +1,130 @@
+translate_dict = {
+    "traditional_switch": {"开启":"開啟","关闭":"關閉","On":"開啟","Off":"關閉"},
+
+    "simplified_switch": {"開啟":"开启","關閉":"关闭","On":"开启","Off":"关闭",
+              "錯誤":"错误","發現":"发现","關閉":"关闭","裝置":"设备","記憶體":"内存",
+              "軟體":"软件","檔案":"文件","確定":"确认","設定":"设置","關於":"关于",
+              "總數":"总数","註冊":"注册","圖標":"图标","路徑":"路径","網路":"网络",
+              "位元":"字节","靈敏":"敏感","複製":"复制","開啟":"开启","靜態":"静态",
+              "訊":"讯","項":"项","掃":"扫","試":"试","黃":"黄","嗎":"吗","防":"保",
+              "鑰":"钥","當":"当","後":"后","護":"护","導":"导","區":"区","復":"复",
+              "攔":"拦","請":"请","統":"统","刪":"删","進":"进","個":"个","選":"选",
+              "啟":"启","監":"监","並":"并","徑":"径","盤":"盘","隱":"隐","動":"动",
+              "狀":"状","誌":"志","這":"这","會":"会","題":"题","擇":"择","語":"语",
+              "無":"无","顯":"显","變":"变","戶":"户","碼":"码","雲":"云","介":"界",
+              "稱":"称","類":"类","輸":"输","執":"执","數":"数","尋":"寻","網":"网",
+              "詢":"询","製":"制","員":"员","許":"许","條":"条","藍":"蓝","紅":"红",
+              "綠":"绿","態":"态","務":"务","連":"连","檢":"检","測":"测","關":"关",
+              "強":"强","驅":"驱","為":"为","腳":"脚","單":"单","開":"开","擴":"扩",
+              "惡":"恶","據":"据","庫":"库","經":"经","敗":"败","謝":"谢","別":"别",
+              "載":"载","誤":"误","報":"报","鏈":"链","竄":"窜","蹤":"踪","與":"与",
+              "異":"异","實":"实","時":"时","彈":"弹","窗":"窗","暫":"暂","訂":"订",
+              "資":"资","產":"产","金":"密","離":"离","規":"规","則":"则","來":"来",
+              "殼":"壳","碼":"码","線":"线","餘":"余",},
+
+    "english_switch": {"開啟":"On","關閉":"Off","开启":"On","关闭":"Off","，":", ",
+              "立即刪除":"Delete Now","安全模式":"Safe Mode","官方網站":"Official Website ",
+              "腳本":"Script ","鏈式":"Chain ","記憶體":"Memory ","正在加載":"Loading ","加載":"Load ",
+              "行為":"Behavior ","可疑":"Suspicious ","勒索":"Ransom ","主要":"Main ",
+              "許可條款":"License Terms ","惡意":"Malicious", "開發":"Developers ",
+              "啟用":"Enable ","禁用":"Disable ","正在初始化中":"Initializing ","初始化":"initialize ",
+              "正在掃描":"Scanning ","正在刪除":"Deleting ","正在追蹤":"Tracking ",
+              "最小化到":"Minimize To ","靈敏度":"Sensitivity ","正在檢查":"Checking ",
+              "確定要":"Sure Want To ","引擎靈敏度":"Sensitivity ","更新":"Update ",
+              "白色主題":"White","黃色主題":"Yellow","紅色主題":"Red","語言":"Language ",
+              "藍色主題":"Blue","綠色主題":"Green","自訂主題":"Custom","黑色主題":"Black",
+              "特別感謝":"Contributors ","版本資訊":"Information","通訊":"Connect ",
+              "註冊":"Registry ","退出":"Quit ","檔案":"File ","當前":"Currently ",
+              "狀態":"State ","掃描":"Scan ","工具":"Tools ","防護":"Protect ",
+              "失敗":"Failed ","請":"Please ","路徑":"Path ","方式":"Method ",
+              "需要":"Need ","病毒":"Virus ","選擇":"Select ","返回":"Back",
+              "受到":"Been ","錯誤":"Error","完成":"Complete ","引擎":"Engine ",
+              "托盤":"Tray ","圖標":"Icon ","不安全":"Unsafe","增強":"Enhance ",
+              "系統":"System ","雲端":"Cloud ","重啟":"Reboot ","修復":"Repair ",
+              "裝置":"Device ","發現":"Found ","成功":"Success ","清理":"Cleanup ",
+              "確定":"OK","執行":"Execute ","警告":"Warning ","使用":"Use ",
+              "網路":"Network ","變更":"Change ","總數":"Total","結束":"End ",
+              "選項":"Options ","監控":"Monitor ","連接":"Connect ","可以":"Can ",
+              "進程":"Process ","攔截":"Block ","引導":"Boot ","刪除":"Delete ",
+              "分區":"Partition ","設定":"Setting ","關於":"About","模式":"Mode ",
+              "提高":"Improve ","安全":"Security ","顯色":"Color ","顏色":"Color ",
+              "主題":"Theme ", "回收":"Collect ", "無用":"Useless ","導入":"Import ",
+              "風險":"Risk ","介面":"UI ","核心":"Core ","服務":"Services ",
+              "管理":"Manage","所有":"All ","您":"You ","取消":"Cancel ","未":"Not ",
+              "垃圾":"Junk ","位元":"byte ","本機":"Computer ","停止":"Stop ",
+              "到":"To ","白名單":"White List ","軟體":"Software ","正在":"",
+              "增加":"Add ","移除":"Delete ","項目":"Items ","生成":"Create ","稱":"",
+              "複製":"Copy ","此":"This ","並":"And ","全盤":"Full ","最新":"Latest ",
+              "已存在":"Already ","數據庫":"Database ","誤報":"False Positive ",
+              "高":"High ","新":"New ","和":"And ","可能會":"Possible ","會":"Can ",
+              "日誌":"Log","已":"Has ","彈窗":"Window ","要":"To ","驅動":"Driver ",
+              "的":"","顯示":"","個":"","嗎":"","了":"","行":"","立即":"","規則":"Rule ",
+              "密鑰":"Key ","檢測":"Detect ","製作":"Maker ","運行":"Running",
+              "擴展":"Extension ","套件":"Kit ","自動":"Auto ","上報":"Report ",
+              "分析":"Analysis ","自身":"Self ","其他":"Other ","配置":"Config ",
+              "丟失":"Lost ","網站":"Website ","不兼容":"Not Compatible ","列表":"List ",
+              "竄改":"Tamper ","第三方":"Other ","實時":"Real Time ","查看":"View ",
+              "指定":"Specify ","清空":"Empty ","資源回收桶":"Recycle Bin ", "無法":"Cannot ",
+              "與":"With ","當":"When ","功能":"Function ","異常":"Abnormal ", "來":"To ",
+              "重置":"Reset ","窗口":"Window ","暫存":"Temp ","自訂":"Custom ",
+              "不支持":"Not Support ","共":"Total ","秒":"Seconds ","耗時":"Takes ",
+              "沙箱":"Sandbox ", "虛擬":"Virtual ", "隔離":"Quarantine ", "時":"",
+              "建立":"Create ","環境":"Environment ","沙箱":"Sandbox ","化":"", "表":"",
+              "達":"Reached ", "上限":"Limit ", "區":"", "金鑰":"Key ", "產品":"Product ",
+              "運行庫":".NET CLR ","殼碼":"Shellcode ","線程":"Thread ","注入":"Inject ",
+              "前往":"Go ","檢查":"Check ","可用":"Available ","靜態":"Static ",
+              "版本":"Version ","是":"","剩餘":"Remain ","遠控":"Remote ","監控":"Monitor ",
+              "  ":" "},
+
+    "white_switch": {
+        "_white": "_black",},
+    "red_switch": {
+        "235, 235, 235": "255, 235, 235",
+        "245, 245, 245": "255, 225, 225",
+        "255, 255, 255": "255, 245, 245",
+        "240, 240, 240": "255, 220, 220",
+        "250, 250, 250": "255, 210, 210",
+        "220, 255, 220": "255, 220, 220",
+        "210, 255, 210": "255, 210, 210",
+        "_white": "_black"
+    },
+    "yellow_switch": {
+        "235, 235, 235": "255, 255, 235",
+        "245, 245, 245": "255, 255, 225",
+        "255, 255, 255": "255, 255, 245",
+        "240, 240, 240": "255, 255, 220",
+        "250, 250, 250": "255, 255, 210",
+        "220, 255, 220": "255, 255, 220",
+        "210, 255, 210": "255, 255, 210",
+        "_white": "_black"
+    },
+    "green_switch": {
+        "235, 235, 235": "235, 255, 235",
+        "245, 245, 245": "225, 255, 225",
+        "255, 255, 255": "245, 255, 245",
+        "240, 240, 240": "220, 255, 220",
+        "250, 250, 250": "210, 255, 210",
+        "_white": "_black"
+    },
+    "blue_switch": {
+        "235, 235, 235": "235, 235, 255",
+        "245, 245, 245": "225, 225, 255",
+        "255, 255, 255": "245, 245, 255",
+        "240, 240, 240": "220, 220, 255",
+        "250, 250, 250": "210, 210, 255",
+        "220, 255, 220": "220, 220, 255",
+        "210, 255, 210": "210, 210, 255",
+        "_white": "_black"
+    },
+    "black_switch": {
+        "255, 255, 255": "20, 20, 20", 
+        "245, 245, 245": "40, 40, 40",
+        "235, 235, 235": "30, 30, 30", 
+        "240, 240, 240": "70, 70, 70",
+        "250, 250, 250": "80, 80, 80",
+        "220, 255, 220": "70, 70, 70",
+        "210, 255, 210": "80, 80, 80",
+        "0, 0, 0": "255, 255, 255",
+        "_black": "_white"
+    }
+}

PYAS_Engine.py

@@ -0,0 +1,322 @@
+import os, yara, time, numpy, base64, requests
+import ctypes, ctypes.wintypes, hashlib, onnxruntime
+
+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:
+                pass
+
+        try:
+            self.WinVerifyTrust = self.wintrust.WinVerifyTrust
+            self.WinVerifyTrust.restype = ctypes.wintypes.LONG
+            self.WinVerifyTrust.argtypes = [ctypes.wintypes.HWND, ctypes.POINTER(GUID), ctypes.c_void_p]
+        except Exception:
+            pass
+
+    def sign_verify(self, file_path):
+        try:
+            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
+        except Exception:
+            return False
+
+####################################################################################################
+
+class rule_scanner:
+    def __init__(self):
+        self.rules = None
+        self.network = []
+
+    def load_path(self, path, callback=None):
+        yara_files = {}
+        for root, _, files in os.walk(path):
+            for file in files:
+                full_path = os.path.join(root, file)
+                if callback:
+                    callback(full_path)
+                ext = os.path.splitext(file)[1].lower()
+                if ext in ('.yara', '.yar'):
+                    namespace = os.path.relpath(full_path, path).replace(os.sep, '_')
+                    yara_files[namespace] = full_path
+                elif ext in ('.yc', '.yrc'):
+                    self.load_compiled_rule(full_path)
+                elif ext in ('.ip', '.txt'):
+                    self.load_network_list(full_path)
+
+        if yara_files:
+            self.compile_all_rules(yara_files)
+
+    def load_compiled_rule(self, file):
+        try:
+            self.rules = yara.load(file)
+        except Exception:
+            pass
+
+    def load_network_list(self, file):
+        try:
+            with open(file, "r", encoding="utf-8", errors="ignore") as f:
+                self.network.extend(line.strip() for line in f if line.strip())
+        except Exception:
+            pass
+
+    def compile_all_rules(self, file_map):
+        try:
+            self.rules = yara.compile(filepaths=file_map)
+        except Exception:
+            pass
+
+    def yara_scan(self, file_path):
+        try:
+            if not self.rules:
+                return False, False
+
+            matches = self.rules.match(filepath=file_path)
+            if matches:
+                rule_name = str(matches[0])
+                types = rule_name.split("_")[0]
+                label = rule_name.split("_")[1]
+                level = rule_name.split("_")[2]
+                return f"{types}/{label}", level
+            return False, False
+        except Exception:
+            return False, False
+
+####################################################################################################
+
+class model_scanner:
+    def __init__(self):
+        self.models = []
+        self.labels = ["Pefile/White", "Pefile/General"]
+        self.detect_set = {"Pefile/General"}
+        self.resize = (224, 224)
+
+    def load_path(self, path, callback=None):
+        for root, _, files in os.walk(path):
+            for file in files:
+                full_path = os.path.join(root, file)
+                if callback:
+                    callback(full_path)
+                self.load_file(full_path)
+
+    def load_file(self, file):
+        if file.lower().endswith('.onnx'):
+            try:
+                session = onnxruntime.InferenceSession(file)
+                self.models.append(session)
+            except Exception:
+                return False
+
+    def model_scan(self, file_path, full_output=False):
+        if not self.models:
+            return (False, False) if not full_output else ([], str(file_path), None)
+
+        data = self.get_data(file_path)
+        if not data:
+            return (False, False) if not full_output else ([], str(file_path), None)
+
+        image = self.preprocess_image(data, self.resize)
+        if not image:
+            return (False, False) if not full_output else ([], str(file_path), None)
+
+        arr = numpy.asarray(image).astype('float32') / 255.0
+        arr = numpy.expand_dims(arr, axis=0)
+        if arr.ndim == 3:
+            arr = numpy.expand_dims(arr, axis=-1)
+
+        results = []
+        best_malicious = None
+
+        for model in self.models:
+            input_meta = model.get_inputs()[0]
+            input_name = input_meta.name
+            input_shape = input_meta.shape
+            
+            curr_arr = arr.copy()
+            if len(input_shape) == 4:
+                if input_shape[1] in (1, 3) and input_shape[3] not in (1, 3):
+                    curr_arr = curr_arr.transpose(0, 3, 1, 2)
+            
+            try:
+                probs = model.run(None, {input_name: curr_arr})[0]
+                pred = probs[0]
+            except Exception:
+                continue
+
+            idx = int(numpy.argmax(pred))
+            label = self.labels[idx] if idx < len(self.labels) else f"Class_{idx}"
+            conf = round(float(pred[idx]) * 100, 2)
+
+            if full_output:
+                results.append(("Whole File", label, conf, self.pil_to_base64(image)))
+            
+            if label in self.detect_set:
+                if best_malicious is None or conf > best_malicious[1]:
+                    best_malicious = (label, int(conf))
+
+        if full_output:
+            results.sort(key=lambda x: (x[1] not in self.detect_set, -x[2]))
+            malicious_count = sum(1 for _, lbl, _, _ in results if lbl in self.detect_set)
+            total = len(results)
+            return results, str(file_path), f"{malicious_count}/{total}"
+
+        return best_malicious if best_malicious else (False, False)
+
+    def pil_to_base64(self, img):
+        buf = BytesIO()
+        img.save(buf, format='PNG')
+        return base64.b64encode(buf.getvalue()).decode()
+
+    def preprocess_image(self, data, size, channels=1):
+        width, height = size
+        wah = int(numpy.ceil(numpy.sqrt(len(data) / channels)))
+        arr = numpy.frombuffer(data, dtype=numpy.uint8)
+        imgbuf = numpy.zeros(wah * wah * channels, dtype=numpy.uint8)
+        imgbuf[:len(arr)] = arr
+        image = Image.fromarray(imgbuf.reshape((wah, wah)), 'L')
+        return image.resize((width, height), Image.Resampling.NEAREST)
+
+    def get_data(self, file_path):
+        try:
+            with open(file_path, 'rb') as f:
+                return f.read()
+        except Exception:
+            return None
+
+####################################################################################################
+
+class cloud_scanner:
+    def __init__(self):
+        pass
+
+    def calc_hash(self, file_path, block_size=65536):
+        try:
+            h = hashlib.sha256()
+            with open(file_path, "rb") as f:
+                for chunk in iter(lambda: f.read(block_size), b""):
+                    h.update(chunk)
+            return h.hexdigest()
+        except Exception:
+            return ""
+
+    def upload_file(self, file_path, api_host, api_key):
+        try:
+            sha256 = self.calc_hash(file_path)
+            if not sha256:
+                return False, None
+
+            base = api_host.rstrip('/')
+            base_headers = {"X-API-Key": api_key, "User-Agent": "PYAS-Client/1.0"}
+
+            def _req(m, ep, files=None, **k):
+                try:
+                    return requests.request(m, f"{base}{ep}", headers=base_headers, files=files, timeout=120, **k)
+                except:
+                    return None
+
+            r = _req("GET", f"/api/processing_status/{sha256}")
+            status = r.json().get('status') if r and r.status_code == 200 else 'missing'
+            if status in ['failed', 'error']:
+                status = 'missing'
+
+            if status == 'missing':
+                with open(file_path, 'rb') as f:
+                    r = _req("POST", "/api/upload", files={'file': f})
+                    if not r or r.status_code != 200:
+                        return False, sha256
+
+            return True, sha256
+        except Exception:
+            return False, None
+
+    def get_result(self, sha256, api_host, api_key):
+        try:
+            if not sha256:
+                return False
+
+            base = api_host.rstrip('/')
+            headers = {"X-API-Key": api_key, "User-Agent": "PYAS-Client/1.0"}
+
+            def _req(m, ep, **k):
+                try:
+                    return requests.request(m, f"{base}{ep}", headers=headers, timeout=10, **k)
+                except:
+                    return None
+
+            for _ in range(30):
+                r = _req("GET", f"/api/processing_status/{sha256}")
+                st = r.json().get('status') if r else 'error'
+                if st == 'done':
+                    break
+                if st in ['error', 'failed']:
+                    return False
+                time.sleep(1)
+
+            r = _req("GET", f"/api/report/{sha256}")
+            if r and r.status_code == 200:
+                data = r.json().get('data', {})
+                res = data.get('detection', {}).get('results', {}).get('PYAS', {})
+                label = res.get('label', 'Unsupport')
+                sims = data.get('similar', [])
+
+                is_malicious = 'General' in label
+                sim_malicious_count = 0
+                valid_sim_count = 0
+                for s in sims:
+                    if s.get('similarity', 0) > 80:
+                        valid_sim_count += 1
+                        if "General" in s.get('label'):
+                            sim_malicious_count += 1
+
+                if is_malicious and (valid_sim_count == 0 or sim_malicious_count == valid_sim_count):
+                    return True
+        except Exception:
+            pass
+        return False

PYAS_English.py

@@ -1,100 +0,0 @@
-english_list = {
-"提示":"Tips",
-"已開啟":"On",
-"已關閉":"Off",
-"已开启":"On",
-"已关闭":"Off",
-"正在刪除: ":"Deleting: ",
-"正在删除":"Deleting: ",
-"存取被拒":"Access denied",
-" > [提示] 尚未啟用實時防護":" > [Tips] Real-time Protect is not enabled",
-" > [提示] 尚未启用实时防护":" > [Tips] Real-time Protect is not enabled",
-" > [行為防護] 成功攔截了惡意檔案創建行為。":" > [Behavior Protection] Successfully blocked malicious file creation behavior.",
-" 被移動":" Moved",
-" 被創建":" Created",
-" 被刪除":" Deleted",
-" 被編輯":" Edited",
-"請輸入需要尋找的檔案":"Please enter the file you want to find",
-"请输入需要寻找的档案":"Please enter the file you want to find",
-"✔成功: 已執行成功。":"✔Success: Executed successfully.",
-"這部裝置已受到保護":"This device has been protected",
-"✖錯誤: 執行失敗。":"✖Error: Execution failed.",
-" > [病毒掃描] 掃描出":" > [Virus Scan] scan out ",
-"個病毒":" Virus",
-"這部裝置目前不安全":"This device is currently unsafe",
-"✖當前已發現惡意軟體共{}項。":"✖A total of {} items of malware have been found so far.",
-'✔當前未發現惡意軟體。':'✔ No malware currently found.',
-'正在掃描: ':'Scanning: ',
-'正在扫描: ':'Scanning: ',
-"病毒掃描":"Virus scan",
-"正在初始化中，請稍後...":"Initializing, please wait...",
-"✖當前已發現惡意軟體。":"✖Malware has currently been detected.",
-"✖掃描失敗。":"✖Scan failed.",
-"請選擇掃描方式":"Please select a scan method",
-"您確定要修復系統權限嗎?":"Are you sure you want to fix system permissions?",
-"修復完成!":"Repair complete!",
-"完成":'Finish',
-"您確定要修復系統檔案嗎?":"Are you sure you want to repair the system files?",
-"修復系統檔案":'Repair System Files',
-"錯誤":"Error",
-"錯誤: ":"Error: ",
-"[錯誤] ":"[Error] ",
-"修復失敗":"Repair failed",
-'清理系統檔案':'Clean up system files',
-"您確定要清理系統檔案嗎?":"Are you sure you want to clean the system files?",
-"清理完成":"Cleanup complete",
-"清理失敗":"Cleanup failed",
-"啟用安全模式":"Enable safe mode",
-"您確定啟用安全模式嗎?":"Are you sure you enable safe mode?",
-"使用該選項後需要重啟，現在要重啟嗎?":"A reboot is required after using this option, do you want to reboot now?",
-"啟用失敗":"Enable failed",
-'禁用安全模式':'Disable safe mode',
-"您確定禁用安全模式嗎?":"Are you sure you want to disable Safe Mode?",
-"禁用失敗":"Disable failed",
-"刪除檔案":"Delete file",
-"您確定刪除該檔案嗎?":"Are you sure you want to delete this file?",
-"刪除成功":"Success to deleted",
-"刪除失敗":"Failed to delete",
-"運行成功":"Run successfully",
-"不是有效命令":"Not a valid command",
-"您輸入了錯誤的HEKY":"You entered the wrong HEKY",
-"警告":"Warning",
-"成功的創建或修改註冊表值":"Successfully created or modified registry value",
-"分析文件函數":"Analyze File Func",
-"分析文件哈希值":"Analyze File Hashes",
-"分析文件位元":"Analyze File Bits",
-'尋找結果:':'Find result:',
-'正在尋找: ':'Searching: ',
-'找到檔案:':'File found:',
-'未找到檔案':'File Not Found',
-'創建日期:':'Created Date:',
-"您確定要修改用戶密碼嗎?":"Are you sure you want to change the user password?",
-"IP查詢":"IP query",
-"您的ip地址為:{}":"Your ip address is: {}",
-"您確定要重置網路配置嗎?":"Are you sure you want to reset the network configuration?",
-"重置網路配置成功":"Reset network configuration successful",
-"設定":"Setting",
-"關於":"About",
-"結束進程":"End process",
-"啟用該選項可以實時監控進程中的惡意軟體並清除。":"Enable this option to monitor and remove malware in the system in real time.",
-"启用该选项可以实时监控进程中的恶意软件并清除。":"Enable this option to monitor and remove malware in the system in real time.",
-"啟用該選項可以提高掃描靈敏度，但這也可能會造成誤殺。":"Enable this option can improve scanning sensitivity, but it can also cause manslaughter.",
-"启用该选项可以提高扫描灵敏度，但这也可能会造成误杀。":"Enable this option can improve scanning sensitivity, but it can also cause manslaughter.",
-'{} > [實時防護] 成功攔截了一個惡意軟體:':'{} > [Real-Time Protect] Malware blocking success:',
-'{} > [實時防護] 惡意軟體攔截失敗:':'{} > [Real-Time Protect] Malware blocking failed:',
-'修復系統權限':"Repair System Permissions",
-'啟用該選項可以實時監控系統的檔案讀寫變更行為。':"Enable this option can improve scanning sensitivity, but it can also cause manslaughter.",
-'PYAS':"""PYAS Python Antivirus Software Security
-========================================
-PYAS Create Date: 2020/12/17
-Official Github: https://github.com/87owo/PYAS
-Official Website: https://pyantivirus.wixsite.com/pyas
-PYAS Core Developer: 87owo
-PYAS GUI Developer: mtkiao
-PYAS Data Collector: yang5487
-PYAS Testers: 87owo, mtkiao
-Special Thanks: Wix, Avast, Github, Google, Python,
-Microsoft, VirusTotal, VirusShare, LenStevens
-========================================
-Thanks For Using PYAS Python Antivirus Software
-"""}

PYAS_UI.qrc

@@ -1 +0,0 @@
-<RCC/>

PYAS_Version.py

@@ -0,0 +1,11 @@
+import pyinstaller_versionfile
+
+pyinstaller_versionfile.create_versionfile(
+output_file="versionfile.txt",
+version='3.3.9',
+company_name="PYAS Security",
+file_description="Python Antivirus Software",
+internal_name="PYAS",
+legal_copyright="PYAS Security",
+original_filename="PYAS.exe",
+product_name="PYAS")

PYAS_Version_File.py

@@ -1,10 +0,0 @@
-import pyinstaller_versionfile
-pyinstaller_versionfile.create_versionfile(
-    output_file="versionfile.txt",
-    version='2.4.9',
-    company_name="PYAS Security",
-    file_description="Python Antivirus Software",
-    internal_name="PYAS",
-    legal_copyright="© PYAS Security",
-    original_filename="PYAS.exe",
-    product_name="PYAS")

Plugins/Filter/DriverCommon.h

@@ -0,0 +1,144 @@
+#pragma once
+#include <fltKernel.h>
+#include <ntddk.h>      
+#include <ntdddisk.h>   
+#include <ntddscsi.h> 
+#include <ntstrsafe.h>
+
+constexpr auto PYAS_PORT_NAME = L"\\PYAS_Output_Pipe";
+constexpr auto MAX_PATH_LEN = 1024;
+constexpr auto PYAS_POOL_TAG = 'SAYP';
+
+#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_READ
+#define PROCESS_VM_READ                    (0x0010)
+#endif
+#ifndef PROCESS_VM_WRITE
+#define PROCESS_VM_WRITE                   (0x0020)
+#endif
+#ifndef PROCESS_DUP_HANDLE
+#define PROCESS_DUP_HANDLE                 (0x0040)
+#endif
+#ifndef PROCESS_CREATE_PROCESS
+#define PROCESS_CREATE_PROCESS             (0x0080)
+#endif
+#ifndef PROCESS_SET_INFORMATION
+#define PROCESS_SET_INFORMATION            (0x0200)
+#endif
+#ifndef PROCESS_QUERY_INFORMATION
+#define PROCESS_QUERY_INFORMATION          (0x0400)
+#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_QUOTA
+#define PROCESS_SET_QUOTA (0x0100)
+#endif
+
+#ifndef POOL_FLAG_NON_PAGED
+#define POOL_FLAG_NON_PAGED 0x0000000000000040UI64
+#endif
+
+#ifndef FSCTL_MANAGE_BYPASS_IO
+#define FSCTL_MANAGE_BYPASS_IO CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 188, METHOD_NEITHER, FILE_ANY_ACCESS)
+
+typedef enum _FS_BPIO_OPERATIONS {
+    FS_BPIO_OP_ENABLE = 1,
+    FS_BPIO_OP_DISABLE = 2,
+    FS_BPIO_OP_QUERY = 3,
+    FS_BPIO_OP_VOLUME_STACK_PAUSE = 4,
+    FS_BPIO_OP_VOLUME_STACK_RESUME = 5,
+    FS_BPIO_OP_STREAM_PAUSE = 6,
+    FS_BPIO_OP_STREAM_RESUME = 7,
+    FS_BPIO_OP_GET_INFO = 8
+} FS_BPIO_OPERATIONS;
+
+typedef struct _FS_BPIO_INPUT {
+    FS_BPIO_OPERATIONS Operation;
+    ULONG InFlags;
+    ULONGLONG Reserved1;
+    ULONGLONG Reserved2;
+} FS_BPIO_INPUT, * PFS_BPIO_INPUT;
+
+typedef struct _FS_BPIO_OUTPUT {
+    FS_BPIO_OPERATIONS Operation;
+    ULONG OutFlags;
+    ULONGLONG Reserved1;
+    ULONGLONG Reserved2;
+    NTSTATUS Status;
+} FS_BPIO_OUTPUT, * PFS_BPIO_OUTPUT;
+
+#endif
+
+typedef struct _PYAS_MESSAGE {
+    ULONG MessageCode;
+    ULONG ProcessId;
+    WCHAR Path[MAX_PATH_LEN];
+} PYAS_MESSAGE, * PPYAS_MESSAGE;
+
+typedef struct _DRIVER_DATA {
+    PDRIVER_OBJECT DriverObject;
+    PFLT_FILTER FilterHandle;
+    PFLT_PORT ServerPort;
+    PFLT_PORT ClientPort;
+    PEPROCESS PyasProcess;
+    ULONG PyasPid;
+    LARGE_INTEGER Cookie;
+    FAST_MUTEX PortMutex;
+    FAST_MUTEX TrackerMutex;
+    EX_RUNDOWN_REF PortRundown;
+} DRIVER_DATA, * PDRIVER_DATA;
+
+extern DRIVER_DATA GlobalData;
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreCreate(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreWrite(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreSetInfo(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+FLT_PREOP_CALLBACK_STATUS ProtectFile_FileSystemControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+FLT_PREOP_CALLBACK_STATUS ProtectFile_SetSecurity(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+FLT_PREOP_CALLBACK_STATUS ProtectBoot_PreDeviceControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext);
+
+NTSTATUS InitializeProcessProtection();
+VOID UninitializeProcessProtection();
+NTSTATUS InitializeRegistryProtection(PDRIVER_OBJECT DriverObject);
+VOID UninitializeRegistryProtection();
+
+VOID ImageLoadNotify(PUNICODE_STRING FullImageName, HANDLE ProcessId, PIMAGE_INFO ImageInfo);
+
+BOOLEAN IsProcessTrusted(HANDLE ProcessId);
+BOOLEAN IsCriticalSystemProcess(HANDLE ProcessId);
+BOOLEAN IsTargetProtected(HANDLE ProcessId);
+BOOLEAN IsInstallerProcess(HANDLE ProcessId);
+BOOLEAN WildcardMatch(PCWSTR Pattern, PCWSTR String, USHORT StringLengthBytes);
+
+BOOLEAN CheckRegistryRule(PCUNICODE_STRING KeyName);
+BOOLEAN CheckFileExtensionRule(PCUNICODE_STRING FileName);
+BOOLEAN CheckProtectedPathRule(PCUNICODE_STRING FileName);
+BOOLEAN CheckRansomActivity(HANDLE ProcessId, PUNICODE_STRING FileName, PVOID Buffer, ULONG Length, BOOLEAN IsWrite);
+
+NTSTATUS SendMessageToUser(ULONG Code, ULONG Pid, PWCHAR Path, USHORT PathSize);
+
+FORCEINLINE PVOID PyasAllocate(SIZE_T Size) {
+#if (NTDDI_VERSION >= NTDDI_WIN10_VB)
+    return ExAllocatePool2(POOL_FLAG_NON_PAGED, Size, PYAS_POOL_TAG);
+#else
+    PVOID Buffer = ExAllocatePoolWithTag(NonPagedPoolNx, Size, PYAS_POOL_TAG);
+    if (Buffer) RtlZeroMemory(Buffer, Size);
+    return Buffer;
+#endif
+}
+
+FORCEINLINE VOID PyasFree(PVOID Ptr) {
+    if (Ptr) ExFreePoolWithTag(Ptr, PYAS_POOL_TAG);
+}

Plugins/Filter/DriverEntry.cpp

@@ -0,0 +1,150 @@
+#include "DriverCommon.h"
+
+DRIVER_DATA GlobalData;
+
+static NTSTATUS InstanceSetup(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_SETUP_FLAGS Flags, DEVICE_TYPE VolumeDeviceType, FLT_FILESYSTEM_TYPE VolumeFilesystemType) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(Flags);
+    UNREFERENCED_PARAMETER(VolumeDeviceType);
+    UNREFERENCED_PARAMETER(VolumeFilesystemType);
+    return STATUS_SUCCESS;
+}
+
+static NTSTATUS InstanceQueryTeardown(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_QUERY_TEARDOWN_FLAGS Flags) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(Flags);
+    return STATUS_SUCCESS;
+}
+
+static VOID InstanceTeardownStart(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_TEARDOWN_FLAGS Flags) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(Flags);
+}
+
+static VOID InstanceTeardownComplete(PCFLT_RELATED_OBJECTS FltObjects, FLT_INSTANCE_TEARDOWN_FLAGS Flags) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(Flags);
+}
+
+static NTSTATUS DriverUnload(FLT_FILTER_UNLOAD_FLAGS Flags) {
+    if (!(Flags & FLTFL_FILTER_UNLOAD_MANDATORY)) {
+        ExAcquireFastMutex(&GlobalData.PortMutex);
+        BOOLEAN IsConnected = (GlobalData.ClientPort != NULL);
+        ExReleaseFastMutex(&GlobalData.PortMutex);
+
+        if (IsConnected) {
+            return STATUS_FLT_DO_NOT_DETACH;
+        }
+    }
+
+    PsRemoveLoadImageNotifyRoutine(ImageLoadNotify);
+    UninitializeRegistryProtection();
+    UninitializeProcessProtection();
+
+    ExWaitForRundownProtectionRelease(&GlobalData.PortRundown);
+
+    if (GlobalData.ServerPort) {
+        FltCloseCommunicationPort(GlobalData.ServerPort);
+    }
+    if (GlobalData.FilterHandle) {
+        FltUnregisterFilter(GlobalData.FilterHandle);
+    }
+    return STATUS_SUCCESS;
+}
+
+static NTSTATUS PortConnect(PFLT_PORT ClientPort, PVOID ServerPortCookie, PVOID ConnectionContext, ULONG SizeOfContext, PVOID* ConnectionPortCookie) {
+    UNREFERENCED_PARAMETER(ServerPortCookie);
+    UNREFERENCED_PARAMETER(ConnectionContext);
+    UNREFERENCED_PARAMETER(SizeOfContext);
+    UNREFERENCED_PARAMETER(ConnectionPortCookie);
+
+    ExAcquireFastMutex(&GlobalData.PortMutex);
+
+    GlobalData.ClientPort = ClientPort;
+    GlobalData.PyasPid = (ULONG)(ULONG_PTR)PsGetCurrentProcessId();
+    GlobalData.PyasProcess = PsGetCurrentProcess();
+
+    ExReInitializeRundownProtection(&GlobalData.PortRundown);
+
+    ExReleaseFastMutex(&GlobalData.PortMutex);
+
+    return STATUS_SUCCESS;
+}
+
+static VOID PortDisconnect(PVOID ConnectionCookie) {
+    UNREFERENCED_PARAMETER(ConnectionCookie);
+
+    ExAcquireFastMutex(&GlobalData.PortMutex);
+    GlobalData.ClientPort = NULL;
+    GlobalData.PyasPid = 0;
+    if (GlobalData.PyasProcess) {
+        GlobalData.PyasProcess = NULL;
+    }
+    ExReleaseFastMutex(&GlobalData.PortMutex);
+
+    ExWaitForRundownProtectionRelease(&GlobalData.PortRundown);
+}
+
+CONST FLT_OPERATION_REGISTRATION Callbacks[] = {
+    { IRP_MJ_CREATE, 0, ProtectFile_PreCreate, NULL },
+    { IRP_MJ_WRITE, 0, ProtectFile_PreWrite, NULL },
+    { IRP_MJ_SET_INFORMATION, 0, ProtectFile_PreSetInfo, NULL },
+    { IRP_MJ_SET_SECURITY, 0, ProtectFile_SetSecurity, NULL },
+    { IRP_MJ_FILE_SYSTEM_CONTROL, 0, ProtectFile_FileSystemControl, NULL },
+    { IRP_MJ_DEVICE_CONTROL, 0, ProtectBoot_PreDeviceControl, NULL },
+    { IRP_MJ_OPERATION_END }
+};
+
+CONST FLT_REGISTRATION FilterRegistration = {
+    sizeof(FLT_REGISTRATION),
+    FLT_REGISTRATION_VERSION,
+    0,
+    NULL,
+    Callbacks,
+    DriverUnload,
+    InstanceSetup,
+    InstanceQueryTeardown,
+    InstanceTeardownStart,
+    InstanceTeardownComplete,
+    NULL,
+    NULL,
+    NULL
+};
+
+extern "C" NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath) {
+    UNREFERENCED_PARAMETER(RegistryPath);
+
+    NTSTATUS status = STATUS_SUCCESS;
+    PSECURITY_DESCRIPTOR sd = NULL;
+    OBJECT_ATTRIBUTES oa = { 0 };
+    UNICODE_STRING name = { 0 };
+
+    RtlZeroMemory(&GlobalData, sizeof(GlobalData));
+    GlobalData.DriverObject = DriverObject;
+    ExInitializeFastMutex(&GlobalData.PortMutex);
+    ExInitializeFastMutex(&GlobalData.TrackerMutex);
+
+    ExInitializeRundownProtection(&GlobalData.PortRundown);
+
+    status = FltRegisterFilter(DriverObject, &FilterRegistration, &GlobalData.FilterHandle);
+    if (!NT_SUCCESS(status)) return status;
+
+    status = FltBuildDefaultSecurityDescriptor(&sd, FLT_PORT_ALL_ACCESS);
+    if (NT_SUCCESS(status)) {
+        RtlInitUnicodeString(&name, PYAS_PORT_NAME);
+        InitializeObjectAttributes(&oa, &name, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, sd);
+        status = FltCreateCommunicationPort(GlobalData.FilterHandle, &GlobalData.ServerPort, &oa, NULL, PortConnect, PortDisconnect, NULL, 1);
+        FltFreeSecurityDescriptor(sd);
+    }
+
+    if (!NT_SUCCESS(status)) {
+        FltUnregisterFilter(GlobalData.FilterHandle);
+        return status;
+    }
+
+    InitializeProcessProtection();
+    InitializeRegistryProtection(DriverObject);
+    PsSetLoadImageNotifyRoutine(ImageLoadNotify);
+
+    return FltStartFiltering(GlobalData.FilterHandle);
+}

Plugins/Filter/PYAS_Driver.inf

@@ -0,0 +1,52 @@
+[Version]
+Signature   = "$WINDOWS NT$"
+Class       = ActivityMonitor
+ClassGuid   = {b86dff51-a31e-4bac-b3cf-e8cfe75c9fc2}
+Provider    = %ManufacturerName%
+DriverVer   = 12/29/2025,1.0.0.0
+CatalogFile = PYAS_Driver.cat
+PnpLockdown = 1
+
+[DestinationDirs]
+DefaultDestDir          = 12
+PYAS_Driver.DriverFiles = 12
+
+[SourceDisksNames]
+1 = %DiskName%,,,""
+
+[SourceDisksFiles]
+PYAS_Driver.sys = 1,,
+
+[DefaultInstall.NTamd64]
+OptionDesc = %ServiceDescription%
+CopyFiles  = PYAS_Driver.DriverFiles
+
+[DefaultInstall.NTamd64.Services]
+AddService = %ServiceName%,,PYAS_Driver.Service
+
+[PYAS_Driver.DriverFiles]
+PYAS_Driver.sys
+
+[PYAS_Driver.Service]
+DisplayName      = %ServiceName%
+Description      = %ServiceDescription%
+ServiceBinary    = %12%\PYAS_Driver.sys
+Dependencies     = FltMgr
+ServiceType      = 2
+StartType        = 3
+ErrorControl     = 1
+LoadOrderGroup   = "FSFilter Activity Monitor"
+AddReg           = PYAS_Driver.AddReg
+
+[PYAS_Driver.AddReg]
+HKR,"Parameters","DebugFlags",0x00010001,0x0
+HKR,"Parameters","SupportedFeatures",0x00010001,0x3
+HKR,"Parameters\Instances","DefaultInstance",0x00000000,"PYAS Instance"
+HKR,"Parameters\Instances\PYAS Instance","Altitude",0x00000000,"320000"
+HKR,"Parameters\Instances\PYAS Instance","Flags",0x00010001,0x0
+
+[Strings]
+ManufacturerName   = "PYAS Security"
+DiskName           = "PYAS_Driver Source Disk"
+ServiceName        = "PYAS_Driver"
+ServiceDescription = "PYAS Security Driver"

Plugins/Filter/PYAS_Driver.sln

@@ -0,0 +1,35 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36518.9 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PYAS_Driver", "PYAS_Driver.vcxproj", "{699C79A8-A904-1976-F72A-CDD7E811CFD2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM64 = Debug|ARM64
+		Debug|x64 = Debug|x64
+		Release|ARM64 = Release|ARM64
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.Build.0 = Debug|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|ARM64.Deploy.0 = Debug|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.ActiveCfg = Debug|x64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.Build.0 = Debug|x64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Debug|x64.Deploy.0 = Debug|x64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.ActiveCfg = Release|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.Build.0 = Release|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|ARM64.Deploy.0 = Release|ARM64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.ActiveCfg = Release|x64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.Build.0 = Release|x64
+		{699C79A8-A904-1976-F72A-CDD7E811CFD2}.Release|x64.Deploy.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D166699A-50D5-470E-9559-39B8E842528D}
+	EndGlobalSection
+EndGlobal

Plugins/Filter/PYAS_Driver.vcxproj

@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{699C79A8-A904-1976-F72A-CDD7E811CFD2}</ProjectGuid>
+    <TemplateGuid>{dd38f7fc-d7bd-488b-9242-7d8754cde80d}</TemplateGuid>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <MinimumVisualStudioVersion>12.0</MinimumVisualStudioVersion>
+    <Configuration>Debug</Configuration>
+    <Platform Condition="'$(Platform)' == ''">x64</Platform>
+    <RootNamespace>PYAS_Driver</RootNamespace>
+    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+    <DriverType>WDM</DriverType>
+    <Driver_SpectreMitigation>false</Driver_SpectreMitigation>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+    <DriverType>WDM</DriverType>
+    <Driver_SpectreMitigation>false</Driver_SpectreMitigation>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+    <DriverType>WDM</DriverType>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+    <DriverType>WDM</DriverType>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
+    <EnableInf2cat>false</EnableInf2cat>
+    <Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
+    <Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <DebuggerFlavor>DbgengKernelDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <DriverSign>
+      <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
+    </DriverSign>
+    <ClCompile>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <TreatWarningAsError>false</TreatWarningAsError>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(DDK_LIB_PATH)fltmgr.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <DriverSign>
+      <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
+    </DriverSign>
+    <ClCompile>
+      <TreatWarningAsError>false</TreatWarningAsError>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(DDK_LIB_PATH)fltmgr.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <Inf Include="PYAS_Driver.inf" />
+  </ItemGroup>
+  <ItemGroup>
+    <FilesToPackage Include="$(TargetPath)" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="DriverCommon.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="DriverEntry.cpp" />
+    <ClCompile Include="ProtectBoot.cpp" />
+    <ClCompile Include="ProtectFile.cpp" />
+    <ClCompile Include="ProtectProcess.cpp" />
+    <ClCompile Include="ProtectRegistry.cpp" />
+    <ClCompile Include="ProtectRules.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

Plugins/Filter/PYAS_Driver.vcxproj.filters

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="Driver Files">
+      <UniqueIdentifier>{8E41214B-6785-4CFE-B992-037D68949A14}</UniqueIdentifier>
+      <Extensions>inf;inv;inx;mof;mc;</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Inf Include="PYAS_Driver.inf">
+      <Filter>Driver Files</Filter>
+    </Inf>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="DriverCommon.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="ProtectRules.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="ProtectFile.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="ProtectBoot.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="ProtectRegistry.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="ProtectProcess.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="DriverEntry.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

Plugins/Filter/ProtectBoot.cpp

@@ -0,0 +1,34 @@
+#include "DriverCommon.h"
+
+#ifndef IOCTL_DISK_FORMAT_TRACKS
+#define IOCTL_DISK_FORMAT_TRACKS        CTL_CODE(IOCTL_DISK_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#endif
+#ifndef IOCTL_DISK_FORMAT_TRACKS_EX
+#define IOCTL_DISK_FORMAT_TRACKS_EX     CTL_CODE(IOCTL_DISK_BASE, 0x000b, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#endif
+
+FLT_PREOP_CALLBACK_STATUS ProtectBoot_PreDeviceControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    ULONG IoControlCode = Data->Iopb->Parameters.DeviceIoControl.Common.IoControlCode;
+
+    if (IoControlCode == IOCTL_DISK_SET_DRIVE_LAYOUT_EX ||
+        IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT ||
+        IoControlCode == IOCTL_DISK_FORMAT_TRACKS ||
+        IoControlCode == IOCTL_DISK_FORMAT_TRACKS_EX) {
+
+        HANDLE Pid = PsGetCurrentProcessId();
+        if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
+            UNICODE_STRING MsgStr = RTL_CONSTANT_STRING(L"Disk_Wiper_Attempt");
+            SendMessageToUser(4001, (ULONG)(ULONG_PTR)Pid, MsgStr.Buffer, MsgStr.Length);
+            Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+            return FLT_PREOP_COMPLETE;
+        }
+    }
+    return FLT_PREOP_SUCCESS_NO_CALLBACK;
+}

Plugins/Filter/ProtectFile.cpp

@@ -0,0 +1,289 @@
+#include "DriverCommon.h"
+
+static BOOLEAN IsHoneyToken(PUNICODE_STRING Path) {
+    if (!Path || !Path->Buffer) return FALSE;
+    if (WildcardMatch(L"*PYAS_Honey*", Path->Buffer, Path->Length) ||
+        WildcardMatch(L"*Backup_Secret*", Path->Buffer, Path->Length)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreCreate(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
+    UNICODE_STRING FileName = { 0 };
+    NTSTATUS status = STATUS_SUCCESS;
+    FLT_PREOP_CALLBACK_STATUS callbackStatus = FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    status = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo);
+    if (!NT_SUCCESS(status) || !nameInfo) {
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    status = FltParseFileNameInformation(nameInfo);
+    if (!NT_SUCCESS(status)) {
+        FltReleaseFileNameInformation(nameInfo);
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    FileName = nameInfo->Name;
+    if (!FileName.Buffer || FileName.Length == 0) {
+        goto cleanup;
+    }
+
+    HANDLE Pid = PsGetCurrentProcessId();
+    BOOLEAN Trusted = IsProcessTrusted(Pid);
+
+    ULONG CreateDisposition = (Data->Iopb->Parameters.Create.Options >> 24) & 0xFF;
+    BOOLEAN IsCreateAction = (CreateDisposition == FILE_CREATE ||
+        CreateDisposition == FILE_SUPERSEDE ||
+        CreateDisposition == FILE_OVERWRITE ||
+        CreateDisposition == FILE_OVERWRITE_IF ||
+        CreateDisposition == FILE_OPEN_IF);
+
+    if (IsHoneyToken(&FileName)) {
+        if (!Trusted) {
+            if ((Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess & (FILE_WRITE_DATA | DELETE)) || IsCreateAction) {
+                SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
+                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                callbackStatus = FLT_PREOP_COMPLETE;
+                goto cleanup;
+            }
+        }
+    }
+
+    if (WildcardMatch(L"\\Device\\PhysicalDrive*", FileName.Buffer, FileName.Length) ||
+        (WildcardMatch(L"\\Device\\Harddisk*", FileName.Buffer, FileName.Length) && !WildcardMatch(L"*Volume*", FileName.Buffer, FileName.Length))) {
+
+        if (Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess &
+            (FILE_WRITE_DATA | FILE_APPEND_DATA | GENERIC_WRITE | WRITE_DAC | WRITE_OWNER)) {
+
+            if (!Trusted && !IsInstallerProcess(Pid)) {
+                UNICODE_STRING MsgStr = RTL_CONSTANT_STRING(L"Disk_Wiper_Attempt");
+                SendMessageToUser(4001, (ULONG)(ULONG_PTR)Pid, MsgStr.Buffer, MsgStr.Length);
+                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                callbackStatus = FLT_PREOP_COMPLETE;
+                goto cleanup;
+            }
+        }
+    }
+
+    if (CheckProtectedPathRule(&FileName)) {
+        if (!Trusted) {
+            if ((Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess &
+                (FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES | DELETE | WRITE_DAC | GENERIC_WRITE)) || IsCreateAction) {
+                SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
+                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                callbackStatus = FLT_PREOP_COMPLETE;
+                goto cleanup;
+            }
+        }
+    }
+
+    if (CheckFileExtensionRule(&FileName)) {
+        if (!Trusted) {
+            if (Data->Iopb->Parameters.Create.SecurityContext->DesiredAccess & (DELETE | FILE_DELETE_CHILD)) {
+                if (CheckRansomActivity(Pid, &FileName, NULL, 0, FALSE)) {
+                    SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, FileName.Buffer, FileName.Length);
+                    Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                    callbackStatus = FLT_PREOP_COMPLETE;
+                    goto cleanup;
+                }
+            }
+        }
+    }
+
+cleanup:
+    if (nameInfo) {
+        FltReleaseFileNameInformation(nameInfo);
+    }
+    return callbackStatus;
+}
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreSetInfo(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    if (KeGetCurrentIrql() > APC_LEVEL) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    FILE_INFORMATION_CLASS infoClass = Data->Iopb->Parameters.SetFileInformation.FileInformationClass;
+
+    if (infoClass != FileDispositionInformation &&
+        infoClass != FileRenameInformation &&
+        infoClass != FileRenameInformationEx) {
+        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) || !nameInfo) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    status = FltParseFileNameInformation(nameInfo);
+    if (!NT_SUCCESS(status) || !nameInfo->Name.Buffer) {
+        FltReleaseFileNameInformation(nameInfo);
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    HANDLE Pid = PsGetCurrentProcessId();
+    if (!IsProcessTrusted(Pid)) {
+
+        if (CheckProtectedPathRule(&nameInfo->Name)) {
+            SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
+            Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+            FltReleaseFileNameInformation(nameInfo);
+            return FLT_PREOP_COMPLETE;
+        }
+
+        if (CheckFileExtensionRule(&nameInfo->Name)) {
+            if (CheckRansomActivity(Pid, &nameInfo->Name, NULL, 0, FALSE)) {
+                SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
+                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                FltReleaseFileNameInformation(nameInfo);
+                return FLT_PREOP_COMPLETE;
+            }
+        }
+    }
+    if (nameInfo) {
+        FltReleaseFileNameInformation(nameInfo);
+    }
+    return FLT_PREOP_SUCCESS_NO_CALLBACK;
+}
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_SetSecurity(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    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) || !nameInfo) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    status = FltParseFileNameInformation(nameInfo);
+    if (!NT_SUCCESS(status) || !nameInfo->Name.Buffer) {
+        FltReleaseFileNameInformation(nameInfo);
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    SECURITY_INFORMATION SecurityInfo = Data->Iopb->Parameters.SetSecurity.SecurityInformation;
+
+    if (SecurityInfo & (OWNER_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION)) {
+
+        if (CheckProtectedPathRule(&nameInfo->Name)) {
+            HANDLE Pid = PsGetCurrentProcessId();
+
+            if (!IsProcessTrusted(Pid) && !IsInstallerProcess(Pid)) {
+                SendMessageToUser(2001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
+                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                FltReleaseFileNameInformation(nameInfo);
+                return FLT_PREOP_COMPLETE;
+            }
+        }
+    }
+
+    FltReleaseFileNameInformation(nameInfo);
+    return FLT_PREOP_SUCCESS_NO_CALLBACK;
+}
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_PreWrite(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->RequestorMode == KernelMode) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    if (Data->Iopb->IrpFlags & (IRP_PAGING_IO | IRP_SYNCHRONOUS_PAGING_IO | IRP_NOCACHE)) {
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    ULONG WriteLength = Data->Iopb->Parameters.Write.Length;
+    if (WriteLength == 0) 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);
+
+    FLT_PREOP_CALLBACK_STATUS callbackStatus = FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    if (NT_SUCCESS(status) && nameInfo) {
+        status = FltParseFileNameInformation(nameInfo);
+        if (NT_SUCCESS(status) && nameInfo->Name.Buffer) {
+
+            if (CheckFileExtensionRule(&nameInfo->Name)) {
+                HANDLE Pid = PsGetCurrentProcessId();
+
+                if (!IsProcessTrusted(Pid)) {
+
+                    PVOID SystemBuffer = NULL;
+                    PMDL Mdl = Data->Iopb->Parameters.Write.MdlAddress;
+
+                    if (!Mdl) {
+                        if (Data->Iopb->Parameters.Write.WriteBuffer && KeGetCurrentIrql() <= APC_LEVEL) {
+                            if (NT_SUCCESS(FltLockUserBuffer(Data))) {
+                                Mdl = Data->Iopb->Parameters.Write.MdlAddress;
+                            }
+                        }
+                    }
+
+                    if (Mdl) {
+                        SystemBuffer = MmGetSystemAddressForMdlSafe(Mdl, NormalPagePriority | MdlMappingNoExecute);
+                    }
+
+                    if (SystemBuffer) {
+                        if (CheckRansomActivity(Pid, &nameInfo->Name, SystemBuffer, WriteLength, TRUE)) {
+                            if (!IsInstallerProcess(Pid)) {
+                                SendMessageToUser(5001, (ULONG)(ULONG_PTR)Pid, nameInfo->Name.Buffer, nameInfo->Name.Length);
+                                Data->IoStatus.Status = STATUS_ACCESS_DENIED;
+                                callbackStatus = FLT_PREOP_COMPLETE;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        FltReleaseFileNameInformation(nameInfo);
+    }
+    return callbackStatus;
+}
+
+FLT_PREOP_CALLBACK_STATUS ProtectFile_FileSystemControl(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID* CompletionContext) {
+    UNREFERENCED_PARAMETER(FltObjects);
+    UNREFERENCED_PARAMETER(CompletionContext);
+
+    if (Data->Iopb->Parameters.FileSystemControl.Common.FsControlCode != FSCTL_MANAGE_BYPASS_IO) {
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    PFS_BPIO_INPUT InputBuffer = (PFS_BPIO_INPUT)Data->Iopb->Parameters.FileSystemControl.Neither.InputBuffer;
+    if (!InputBuffer) return FLT_PREOP_SUCCESS_NO_CALLBACK;
+
+    __try {
+        if (InputBuffer->Operation == FS_BPIO_OP_ENABLE) {
+            PFLT_FILE_NAME_INFORMATION nameInfo = NULL;
+            if (NT_SUCCESS(FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &nameInfo)) && nameInfo) {
+                if (NT_SUCCESS(FltParseFileNameInformation(nameInfo))) {
+                    if (CheckFileExtensionRule(&nameInfo->Name) || CheckProtectedPathRule(&nameInfo->Name)) {
+
+                        Data->IoStatus.Status = STATUS_NOT_SUPPORTED;
+                        FltReleaseFileNameInformation(nameInfo);
+                        return FLT_PREOP_COMPLETE;
+                    }
+                }
+                FltReleaseFileNameInformation(nameInfo);
+            }
+        }
+    }
+    __except (EXCEPTION_EXECUTE_HANDLER) {
+        return FLT_PREOP_SUCCESS_NO_CALLBACK;
+    }
+
+    return FLT_PREOP_SUCCESS_NO_CALLBACK;
+}

Plugins/Filter/ProtectProcess.cpp

@@ -0,0 +1,140 @@
+#include "DriverCommon.h"
+
+PVOID ObRegistrationHandle = NULL;
+OB_CALLBACK_REGISTRATION ObRegistration;
+OB_OPERATION_REGISTRATION ObCallbacks[1];
+
+static BOOLEAN IsSystemImage(PUNICODE_STRING FullImageName) {
+    if (!FullImageName || !FullImageName->Buffer) return FALSE;
+
+    if (WildcardMatch(L"*\\Windows\\System32\\*", FullImageName->Buffer, FullImageName->Length) ||
+        WildcardMatch(L"*\\Windows\\SysWOW64\\*", FullImageName->Buffer, FullImageName->Length) ||
+        WildcardMatch(L"*\\Windows\\WinSxS\\*", FullImageName->Buffer, FullImageName->Length) ||
+        WildcardMatch(L"*\\Windows\\Microsoft.NET\\*", FullImageName->Buffer, FullImageName->Length) ||
+        WildcardMatch(L"*\\Common Files\\Microsoft Shared\\*", FullImageName->Buffer, FullImageName->Length) ||
+        WildcardMatch(L"*\\Program Files*\\*", FullImageName->Buffer, FullImageName->Length)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+VOID ImageLoadNotify(PUNICODE_STRING FullImageName, HANDLE ProcessId, PIMAGE_INFO ImageInfo) {
+    UNREFERENCED_PARAMETER(ImageInfo);
+
+    if (KeGetCurrentIrql() > APC_LEVEL) return;
+    if (!FullImageName || !FullImageName->Buffer) return;
+    if (ProcessId == (HANDLE)0) return;
+
+    if (IsSystemImage(FullImageName)) return;
+
+    if (IsTargetProtected(ProcessId)) {
+        if (CheckFileExtensionRule(FullImageName)) {
+            SendMessageToUser(6001, (ULONG)(ULONG_PTR)ProcessId, FullImageName->Buffer, FullImageName->Length);
+        }
+    }
+}
+
+static BOOLEAN IsBlacklistedAdminTool(HANDLE ProcessId) {
+    if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
+
+    NTSTATUS status;
+    BOOLEAN isBlacklisted = FALSE;
+    PEPROCESS Process = NULL;
+    PUNICODE_STRING imageFileName = NULL;
+
+    status = PsLookupProcessByProcessId(ProcessId, &Process);
+    if (!NT_SUCCESS(status)) return FALSE;
+
+    status = SeLocateProcessImageName(Process, &imageFileName);
+
+    if (NT_SUCCESS(status) && imageFileName) {
+        if (imageFileName->Buffer) {
+            if (WildcardMatch(L"*Taskmgr.exe", imageFileName->Buffer, imageFileName->Length) ||
+                WildcardMatch(L"*taskkill.exe", imageFileName->Buffer, imageFileName->Length) ||
+                WildcardMatch(L"*ProcessHacker.exe", imageFileName->Buffer, imageFileName->Length) ||
+                WildcardMatch(L"*procmon.exe", imageFileName->Buffer, imageFileName->Length)) {
+                isBlacklisted = TRUE;
+            }
+        }
+        ExFreePool(imageFileName);
+    }
+
+    ObDereferenceObject(Process);
+    return isBlacklisted;
+}
+
+static OB_PREOP_CALLBACK_STATUS PreOpenProcess(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation) {
+    UNREFERENCED_PARAMETER(RegistrationContext);
+
+    if (OperationInformation->KernelHandle) return OB_PREOP_SUCCESS;
+
+    PEPROCESS TargetProcess = (PEPROCESS)OperationInformation->Object;
+    if (!TargetProcess) return OB_PREOP_SUCCESS;
+
+    HANDLE TargetPid = PsGetProcessId(TargetProcess);
+    HANDLE SourcePid = PsGetCurrentProcessId();
+
+    if (SourcePid == TargetPid) return OB_PREOP_SUCCESS;
+
+    if ((ULONG)(ULONG_PTR)SourcePid == GlobalData.PyasPid) return OB_PREOP_SUCCESS;
+    if (SourcePid == (HANDLE)4) return OB_PREOP_SUCCESS;
+
+    BOOLEAN bProtected = IsTargetProtected(TargetPid);
+
+    if (bProtected) {
+        BOOLEAN bIsInstaller = IsInstallerProcess(SourcePid);
+
+        if (bIsInstaller) {
+            if (IsBlacklistedAdminTool(SourcePid)) {
+                bIsInstaller = FALSE;
+            }
+        }
+
+        if (bIsInstaller) return OB_PREOP_SUCCESS;
+
+        ACCESS_MASK DenyMask = PROCESS_TERMINATE |
+            PROCESS_VM_OPERATION |
+            PROCESS_VM_WRITE |
+            PROCESS_CREATE_THREAD |
+            PROCESS_VM_READ |
+            PROCESS_DUP_HANDLE |
+            PROCESS_SUSPEND_RESUME |
+            PROCESS_SET_INFORMATION |
+            PROCESS_SET_QUOTA;
+
+        OperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~DenyMask;
+        OperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess &= ~DenyMask;
+
+        if (OperationInformation->Operation == OB_OPERATION_HANDLE_DUPLICATE) {
+            OperationInformation->Parameters->DuplicateHandleInformation.DesiredAccess &= ~DenyMask;
+            OperationInformation->Parameters->DuplicateHandleInformation.OriginalDesiredAccess &= ~DenyMask;
+        }
+    }
+
+    return OB_PREOP_SUCCESS;
+}
+
+NTSTATUS InitializeProcessProtection() {
+    static UNICODE_STRING Altitude = { 0 };
+    RtlInitUnicodeString(&Altitude, L"320000");
+
+    ObCallbacks[0].ObjectType = PsProcessType;
+    ObCallbacks[0].Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
+    ObCallbacks[0].PreOperation = PreOpenProcess;
+    ObCallbacks[0].PostOperation = NULL;
+
+    ObRegistration.Version = OB_FLT_REGISTRATION_VERSION;
+    ObRegistration.OperationRegistrationCount = 1;
+    ObRegistration.Altitude = Altitude;
+    ObRegistration.RegistrationContext = NULL;
+    ObRegistration.OperationRegistration = ObCallbacks;
+
+    return ObRegisterCallbacks(&ObRegistration, &ObRegistrationHandle);
+}
+
+VOID UninitializeProcessProtection() {
+    if (ObRegistrationHandle) {
+        ObUnRegisterCallbacks(ObRegistrationHandle);
+        ObRegistrationHandle = NULL;
+    }
+}

Plugins/Filter/ProtectRegistry.cpp

@@ -0,0 +1,78 @@
+#include "DriverCommon.h"
+
+LARGE_INTEGER Cookie;
+
+static BOOLEAN IsBamRegistryPath(PCUNICODE_STRING KeyName) {
+    if (!KeyName || !KeyName->Buffer) return FALSE;
+    if (WildcardMatch(L"*\\Services\\bam\\*", KeyName->Buffer, KeyName->Length)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static NTSTATUS RegistryCallback(PVOID CallbackContext, PVOID Argument1, PVOID Argument2) {
+    UNREFERENCED_PARAMETER(CallbackContext);
+
+    if (KeGetCurrentIrql() > APC_LEVEL) return STATUS_SUCCESS;
+
+    REG_NOTIFY_CLASS Class = (REG_NOTIFY_CLASS)(ULONG_PTR)Argument1;
+
+    if (Class == RegNtPreSetValueKey || Class == RegNtPreDeleteKey || Class == RegNtPreCreateKey) {
+        REG_SET_VALUE_KEY_INFORMATION* Info = (REG_SET_VALUE_KEY_INFORMATION*)Argument2;
+        PCUNICODE_STRING KeyName = NULL;
+
+        if (!NT_SUCCESS(CmCallbackGetKeyObjectIDEx(&Cookie, Info->Object, NULL, &KeyName, 0))) {
+            return STATUS_SUCCESS;
+        }
+
+        if (KeyName && KeyName->Buffer) {
+
+            if (IsBamRegistryPath(KeyName)) {
+                CmCallbackReleaseKeyObjectIDEx(KeyName);
+                return STATUS_SUCCESS;
+            }
+
+            if (CheckRegistryRule(KeyName)) {
+                HANDLE Pid = PsGetCurrentProcessId();
+                if (WildcardMatch(L"*\\MACHINE\\SAM*", KeyName->Buffer, KeyName->Length) ||
+                    WildcardMatch(L"*\\MACHINE\\SECURITY*", KeyName->Buffer, KeyName->Length) ||
+                    WildcardMatch(L"*\\MACHINE\\SYSTEM*", KeyName->Buffer, KeyName->Length) ||
+                    WildcardMatch(L"*\\MACHINE\\BCD00000000*", KeyName->Buffer, KeyName->Length)) {
+
+                    if (!IsCriticalSystemProcess(Pid)) {
+                        SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, KeyName->Buffer, KeyName->Length);
+                        CmCallbackReleaseKeyObjectIDEx(KeyName);
+                        return STATUS_ACCESS_DENIED;
+                    }
+                }
+                else {
+                    if (!IsProcessTrusted(Pid)) {
+                        if (!IsInstallerProcess(Pid)) {
+                            SendMessageToUser(3001, (ULONG)(ULONG_PTR)Pid, KeyName->Buffer, KeyName->Length);
+                            CmCallbackReleaseKeyObjectIDEx(KeyName);
+                            return STATUS_ACCESS_DENIED;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (KeyName) {
+            CmCallbackReleaseKeyObjectIDEx(KeyName);
+        }
+    }
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS InitializeRegistryProtection(PDRIVER_OBJECT DriverObject) {
+    UNICODE_STRING Altitude;
+    RtlInitUnicodeString(&Altitude, L"320000");
+    return CmRegisterCallbackEx(RegistryCallback, &Altitude, DriverObject, NULL, &Cookie, NULL);
+}
+
+VOID UninitializeRegistryProtection() {
+    if (Cookie.QuadPart != 0) {
+        CmUnRegisterCallback(Cookie);
+        Cookie.QuadPart = 0;
+    }
+}

Plugins/Filter/ProtectRules.cpp

@@ -0,0 +1,718 @@
+#include "DriverCommon.h"
+
+constexpr auto MAX_TRACKERS = 64;
+constexpr auto RANSOM_TIME_WINDOW_MS = 3000;
+constexpr auto RANSOM_COUNT_THRESHOLD = 5;
+constexpr auto HIGH_ENTROPY_THRESHOLD = 15;
+
+typedef struct _RANSOM_TRACKER {
+    HANDLE ProcessId;
+    ULONG ActivityCount;
+    LARGE_INTEGER LastActivityTime;
+} RANSOM_TRACKER, * PRANSOM_TRACKER;
+
+RANSOM_TRACKER RansomTrackers[MAX_TRACKERS];
+
+const PCWSTR SafeSystemBinaries[] = {
+    L"*\\Windows\\System32\\lsass.exe",
+    L"*\\Windows\\System32\\services.exe",
+    L"*\\Windows\\System32\\csrss.exe",
+    L"*\\Windows\\System32\\smss.exe",
+    L"*\\Windows\\System32\\wininit.exe",
+    L"*\\Windows\\System32\\winlogon.exe",
+    L"*\\Windows\\System32\\svchost.exe",
+    L"*\\Windows\\System32\\SearchIndexer.exe",
+    L"*\\Windows\\System32\\msiexec.exe",
+    L"*\\Windows\\System32\\TrustedInstaller.exe",
+    L"*\\Windows\\System32\\TiWorker.exe",
+    L"*\\Windows\\System32\\dism.exe",
+    L"*\\Windows\\System32\\dismhost.exe",
+    L"*\\Windows\\System32\\wuauclt.exe",
+    L"*\\Windows\\System32\\taskhostw.exe",
+    L"*\\Windows\\System32\\MoUsoCoreWorker.exe",
+    L"*\\Windows\\System32\\sppsvc.exe",
+    L"*\\Windows\\System32\\backgroundTaskHost.exe",
+    L"*\\Windows\\System32\\RuntimeBroker.exe",
+    L"*\\Windows\\System32\\ctfmon.exe",
+    L"*\\Windows\\System32\\smartscreen.exe",
+    L"*\\Windows\\System32\\Taskmgr.exe",
+    L"*\\Windows\\ImmersiveControlPanel\\SystemSettings.exe"
+};
+
+const PCWSTR CriticalSystemBinaries[] = {
+    L"*\\Windows\\ImmersiveControlPanel\\SystemSettings.exe",
+    L"*\\Windows Defender\\MsMpEng.exe",
+    L"*\\Windows\\System32\\lsass.exe",
+    L"*\\Windows\\System32\\services.exe",
+    L"*\\Windows\\System32\\wininit.exe",
+    L"*\\Windows\\System32\\winlogon.exe",
+    L"*\\Windows\\System32\\svchost.exe",
+    L"*\\Windows\\System32\\smss.exe",
+    L"*\\Windows\\System32\\csrss.exe",
+    L"*\\Windows\\System32\\sppsvc.exe",
+    L"*\\Windows\\System32\\msiexec.exe",
+    L"*\\Windows\\System32\\TrustedInstaller.exe",
+    L"*\\Windows\\System32\\TiWorker.exe",
+    L"*\\Windows\\System32\\dism.exe",
+    L"*\\Windows\\System32\\dismhost.exe",
+    L"*\\Windows\\System32\\SgrmBroker.exe",
+    L"*\\Windows\\System32\\WerFault.exe",
+    L"*\\Windows\\System32\\wbem\\WmiApSrv.exe",
+    L"*\\Windows\\System32\\wbem\\WmiPrvSE.exe",
+    L"*\\Windows\\ImmersiveControlPanel\\SystemSettings.exe",
+    L"*\\Windows\\System32\\ctfmon.exe",
+    L"*\\Windows\\System32\\taskhostw.exe",
+    L"*\\Windows\\System32\\fontdrvhost.exe",
+    L"*\\Windows\\System32\\dwm.exe",
+    L"*\\Windows\\System32\\SearchIndexer.exe",
+    L"*\\Windows\\System32\\SearchProtocolHost.exe",
+    L"*\\Windows\\System32\\SearchFilterHost.exe",
+    L"*\\Windows\\System32\\smartscreen.exe",
+    L"*\\Windows\\System32\\vssvc.exe",
+    L"*\\Windows\\System32\\cleanmgr.exe",
+    L"*\\Windows\\System32\\defrag.exe",
+    L"*\\Windows\\System32\\chkdsk.exe",
+    L"*\\Windows\\System32\\conhost.exe",
+    L"*\\Windows\\System32\\RecoveryDrive.exe"
+};
+
+const PCWSTR SafeProcessPatterns[] = {
+    L"*\\Windows Defender\\*",
+    L"*\\Windows Defender Advanced Threat Protection\\*",
+
+    L"*\\Program*\\*",
+    L"*\\AppData\\Local\\*",
+    L"*\\AppData\\Roaming\\*",
+
+    L"*\\Google\\Update\\*",
+    L"*\\Google\\Chrome\\Application\\chrome.exe",
+    L"*\\Internet Explorer\\iexplore.exe",
+    L"*\\Microsoft\\EdgeUpdate\\*",
+    L"*\\Microsoft\\Edge\\Application\\msedge.exe",
+    L"*\\Microsoft\\EdgeWebView\\Application\\*",
+    L"*\\Mozilla Firefox\\firefox.exe",
+    L"*\\BraveSoftware\\Brave-Browser\\Application\\brave.exe",
+    L"*\\Opera Software\\*\\opera.exe",
+    L"*\\Vivaldi\\Application\\vivaldi.exe",
+
+    L"*\\WinRAR\\WinRAR.exe",
+    L"*\\WinRAR\\UnRAR.exe",
+    L"*\\7-Zip\\7zG.exe",
+    L"*\\7-Zip\\7zFM.exe",
+    L"*\\Bandizip\\Bandizip.exe",
+
+    L"*\\Microsoft Office\\root\\Office*\\*.EXE",
+    L"*\\Microsoft Office\\root\\Office*\\WINWORD.EXE",
+    L"*\\Microsoft Office\\root\\Office*\\EXCEL.EXE",
+    L"*\\Microsoft Office\\root\\Office*\\POWERPNT.EXE",
+    L"*\\Adobe\\Acrobat*\\*\\Acrobat.exe",
+    L"*\\Adobe\\Acrobat*\\*\\AcroRd32.exe",
+    L"*\\Foxit PDF Reader\\FoxitPDFReader.exe",
+    L"*\\LibreOffice*\\program\\soffice.bin",
+    L"*\\LibreOffice*\\program\\soffice.exe",
+    L"*\\Notepad++\\notepad++.exe",
+    L"*\\Sublime Text*\\sublime_text.exe",
+
+    L"*\\Microsoft\\Teams\\*\\Teams.exe",
+    L"*\\Zoom\\bin\\Zoom.exe",
+    L"*\\Slack\\app-*\\slack.exe",
+    L"*\\Telegram Desktop\\Telegram.exe",
+    L"*\\WhatsApp\\WhatsApp.exe",
+    L"*\\Discord\\app-*\\Discord.exe",
+
+    L"*\\Microsoft Visual Studio\\*\\devenv.exe",
+    L"*\\Microsoft VS Code\\Code.exe",
+    L"*\\Git\\cmd\\git.exe",
+    L"*\\Git\\mingw64\\bin\\git.exe",
+    L"*\\bin\\cmake.exe",
+    L"*\\nodejs\\node.exe",
+    L"*\\Android Studio\\bin\\studio64.exe",
+    L"*\\JetBrains\\*\\bin\\*.exe",
+
+    L"*\\Dropbox\\Client\\Dropbox.exe",
+    L"*\\Google\\Drive\\*\\GoogleDriveFS.exe",
+    L"*\\Microsoft OneDrive\\OneDrive.exe",
+
+    L"*\\Sangfor\\*",
+    L"*\\SogouInput\\*",
+    L"*\\baidu\\BaiduNetdisk\\*",
+    L"*\\TortoiseSVN\\*",
+    L"*\\TortoiseGit\\*",
+    L"*\\TortoiseOverlays\\*",
+
+    L"*\\VideoLAN\\VLC\\vlc.exe",
+    L"*\\Spotify\\Spotify.exe",
+    L"*\\obs-studio\\bin\\*\\obs64.exe",
+    L"*\\DaVinci Resolve\\Resolve.exe",
+    L"*\\Adobe\\Adobe Premiere Pro*\\Adobe Premiere Pro.exe",
+    L"*\\Adobe\\Adobe Photoshop*\\Photoshop.exe",
+
+    L"*\\Steam\\steam.exe",
+    L"*\\Steam\\bin\\steamwebhelper.exe",
+    L"*\\Steam\\steamapps\\*",
+    L"*\\Epic Games\\Launcher\\Portal\\Binaries\\*\\EpicGamesLauncher.exe",
+    L"*\\Battle.net\\*\\Battle.net.exe",
+
+    L"*\\NVIDIA Corporation\\*",
+    L"*\\AMD\\*",
+    L"*\\Intel\\*",
+    L"*\\Logitech\\*",
+    L"*\\Razer\\*",
+    L"*\\Corsair\\*",
+    L"*\\ASUS\\*"
+};
+
+const PCWSTR RegistryBlockList[] = {
+    L"\\REGISTRY\\MACHINE\\BCD00000000",
+    L"\\REGISTRY\\MACHINE\\BCD00000000\\*",
+    L"\\REGISTRY\\MACHINE\\SAM",
+    L"\\REGISTRY\\MACHINE\\SAM\\*",
+    L"\\REGISTRY\\MACHINE\\SECURITY",
+    L"\\REGISTRY\\MACHINE\\SECURITY\\*",
+    L"\\REGISTRY\\MACHINE\\SYSTEM",
+    L"\\REGISTRY\\MACHINE\\SYSTEM\\*",
+
+    L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
+    L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunOnce\\*",
+    L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\*",
+    L"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\StartupApproved\\*",
+
+    L"\\REGISTRY\\USER\\*_Classes\\*\\shell\\open\\command\\*",
+    L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\NetWire\\*",
+    L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\Remcos*\\*",
+    L"\\REGISTRY\\USER\\S-1-*\\SOFTWARE\\DC3_FEXEC\\*",
+    L"*\\Image File Execution Options\\*",
+
+    L"*\\Classes\\.exe",
+    L"*\\Classes\\.bat",
+    L"*\\Classes\\.cmd",
+    L"*\\Classes\\.com",
+    L"*\\Classes\\exefile\\*",
+    L"*\\Classes\\batfile\\*",
+    L"*\\Classes\\cmdfile\\*",
+    L"*\\Classes\\comfile\\*",
+    L"*\\DefaultIcon",
+
+    L"*\\DisableAntiSpyware",
+    L"*\\DisableWindowsUpdateAccess",
+    L"*\\EnableLUA",
+    L"*\\ConsentPromptBehaviorAdmin",
+    L"*\\NoControlPanel",
+    L"*\\NoDrives",
+    L"*\\NoFileMenu",
+    L"*\\NoFind",
+    L"*\\NoStartMenuPinnedList",
+    L"*\\NoSetFolders",
+    L"*\\NoSetFolderOptions",
+    L"*\\NoViewOnDrive",
+    L"*\\NoClose",
+    L"*\\NoDesktop",
+    L"*\\NoLogoff",
+    L"*\\NoFolderOptions",
+    L"*\\RestrictRun",
+    L"*\\NoViewContextMenu",
+    L"*\\HideClock",
+    L"*\\NoStartMenuMyGames",
+    L"*\\NoStartMenuMyMusic",
+    L"*\\DisableCMD",
+    L"*\\NoAddingComponents",
+    L"*\\NoWinKeys",
+    L"*\\NoStartMenuLogOff",
+    L"*\\NoSimpleNetIDList",
+    L"*\\NoLowDiskSpaceChecks",
+    L"*\\DisableLockWorkstation",
+    L"*\\Restrict_Run",
+    L"*\\DisableTaskMgr",
+    L"*\\DisableRegistryTools",
+    L"*\\DisableChangePassword",
+    L"*\\Wallpaper",
+    L"*\\NoComponents",
+    L"*\\NoStartMenuMorePrograms",
+    L"*\\NoActiveDesktop",
+    L"*\\NoSetActiveDesktop",
+    L"*\\NoRecentDocsMenu",
+    L"*\\NoWindowsUpdate",
+    L"*\\NoChangeStartMenu",
+    L"*\\NoFavoritesMenu",
+    L"*\\NoRecentDocsHistory",
+    L"*\\NoSetTaskbar",
+    L"*\\NoSMHelp",
+    L"*\\NoTrayContextMenu",
+    L"*\\NoManageMyComputerVerb",
+    L"*\\NoRealMode",
+    L"*\\NoRun",
+    L"*\\ClearRecentDocsOnExit",
+    L"*\\NoActiveDesktopChanges",
+    L"*\\NoStartMenuNetworkPlaces",
+    L"*\\NoLockScreen",
+    L"*\\HideFastUserSwitching",
+    L"*\\ConsentPromptBehaviorUser",
+    L"*\\EnableSecureUIAPaths",
+    L"*\\NoSRM",
+    L"*\\NoInteractiveServices",
+    L"*\\ShutdownWithoutLogon",
+    L"*\\AutoAdminLogon",
+    L"*\\ImagePath",
+    L"*\\BootExecute",
+    L"*\\SubSystems",
+    L"*\\FirmwareBootDevice",
+    L"*\\BootDriverFlags",
+    L"*\\SystemStartOptions",
+    L"*\\CrashDumpEnabled",
+    L"*\\DisableAutomaticRestartOnFailure",
+    L"*\\SystemBiosVersion",
+    L"*\\NoTheme",
+    L"*\\PendingFileRenameOperations",
+    L"*\\SystemSetupInProgress",
+    L"*\\CmdLine",
+    L"*\\SetupType",
+    L"*\\AutoReboot",
+    L"*\\Userinit",
+    L"*\\UIHost",
+    L"*\\Debugger",
+    L"*\\DefaultUserName",
+    L"*\\DefaultPassword",
+    L"*\\AltDefaultUserName",
+    L"*\\AltDefaultPassword",
+    L"*\\DisableCAD",
+    L"*\\LegalNoticeCaption",
+    L"*\\LegalNoticeText",
+    L"*\\Run",
+    L"*\\RunOnce",
+};
+
+const PCWSTR DangerousExtensions[] = {
+    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"
+};
+
+const PCWSTR NaturallyCompressedExtensions[] = {
+    L".zip", L".7z", L".rar", L".tar", L".gz",
+    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".exe", L".dll", L".sys", L".mui", L".scr",
+    L".docx", L".xlsx", L".pptx", L".pdf", L".wps",
+    L".apk", L".jar", L".class", L".db", L".sqlite"
+};
+
+const PCWSTR ProtectedPaths[] = {
+    L"*\\PYAS.exe",
+    L"*\\PYAS_Driver.sys",
+    L"*\\ProgramData\\PYAS\\*.json",
+
+    L"*\\Windows\\System32\\config\\SAM*",
+    L"*\\Windows\\System32\\config\\SECURITY*",
+    L"*\\Windows\\System32\\config\\SOFTWARE*",
+    L"*\\Windows\\System32\\config\\SYSTEM*",
+    L"*\\Windows\\System32\\config\\DEFAULT*",
+    L"*\\Windows\\System32\\config\\RegBack\\*",
+
+    L"*\\Windows\\System32\\drivers\\*",
+    L"*\\Windows\\System32\\drivers\\etc\\hosts",
+    L"*\\Windows\\System32\\*.exe",
+    L"*\\Windows\\System32\\*.dll",
+    L"*\\Windows\\SysWOW64\\*.exe",
+    L"*\\Windows\\SysWOW64\\*.dll",
+    L"*\\Windows\\Web\\Wallpaper\\*",
+    L"*\\Windows\\explorer.exe",
+    L"*\\Windows\\regedit.exe",
+
+    L"*\\bootmgr",
+    L"*\\boot.ini",
+    L"*\\BOOTNXT",
+    L"*\\EFI",
+    L"*\\EFI\\*",
+    L"*\\Boot",
+    L"*\\Boot\\*",
+    L"*\\Recovery",
+    L"*\\Recovery\\*",
+    L"*\\System Volume Information\\*",
+
+    L"*\\CON",
+    L"*\\CON\\*",
+    L"*\\PRN",
+    L"*\\PRN\\*",
+    L"*\\AUX",
+    L"*\\AUX\\*",
+    L"*\\NUL",
+    L"*\\NUL\\*",
+    L"*\\CLOCK$",
+    L"*\\CLOCK$\\*",
+    L"*\\COM?",
+    L"*\\COM?\\*",
+    L"*\\LPT?",
+    L"*\\LPT?\\*",
+    L"*\\COM0",
+    L"*\\COM0\\*",
+    L"*\\LPT0",
+    L"*\\LPT0\\*",
+    L"*\\$Mft",
+    L"*\\$Mft\\*",
+    L"*\\$MftMirr",
+    L"*\\$MftMirr\\*",
+    L"*\\$LogFile",
+    L"*\\$LogFile\\*",
+    L"*\\$Volume",
+    L"*\\$Volume\\*",
+    L"*\\$AttrDef",
+    L"*\\$AttrDef\\*",
+    L"*\\$Bitmap",
+    L"*\\$Bitmap\\*",
+    L"*\\$Boot",
+    L"*\\$Boot\\*",
+    L"*\\$BadClus",
+    L"*\\$BadClus\\*",
+    L"*\\$Secure",
+    L"*\\$Secure\\*",
+    L"*\\$Upcase",
+    L"*\\$Upcase\\*",
+    L"*\\OSDATA",
+    L"*\\OSDATA\\*",
+
+    L"*:*",
+    L"*<*",
+    L"*>*",
+    L"*|*",
+};
+
+static BOOLEAN HasSuffix(PCUNICODE_STRING String, PCWSTR Suffix) {
+    if (!String || !String->Buffer || !Suffix) return FALSE;
+
+    SIZE_T StringLenChars = String->Length / sizeof(WCHAR);
+    SIZE_T SuffixLenChars = 0;
+
+    while (Suffix[SuffixLenChars] != L'\0') {
+        SuffixLenChars++;
+    }
+
+    if (StringLenChars < SuffixLenChars) return FALSE;
+
+    PCWSTR Ptr = String->Buffer + (StringLenChars - SuffixLenChars);
+
+    for (SIZE_T i = 0; i < SuffixLenChars; i++) {
+        if (RtlDowncaseUnicodeChar(Ptr[i]) != RtlDowncaseUnicodeChar(Suffix[i])) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+BOOLEAN WildcardMatch(PCWSTR Pattern, PCWSTR String, USHORT StringLengthBytes) {
+    if (!Pattern || !String) return FALSE;
+
+    PCWSTR mp = NULL;
+    PCWSTR cp = NULL;
+    PCWSTR StringEnd = (PCWSTR)((PUCHAR)String + StringLengthBytes);
+
+    while (String < StringEnd) {
+        if (*Pattern == L'*') {
+            mp = ++Pattern;
+            cp = String + 1;
+        }
+        else if (*Pattern == L'?' || (RtlDowncaseUnicodeChar(*Pattern) == RtlDowncaseUnicodeChar(*String))) {
+            Pattern++;
+            String++;
+        }
+        else if (mp) {
+            Pattern = mp;
+            String = cp++;
+        }
+        else {
+            return FALSE;
+        }
+    }
+    while (*Pattern == L'*') {
+        Pattern++;
+    }
+    return !*Pattern;
+}
+
+static NTSTATUS GetProcessImageName(HANDLE ProcessId, PUNICODE_STRING* ImageName) {
+    NTSTATUS status;
+    PEPROCESS Process = NULL;
+
+    *ImageName = NULL;
+    status = PsLookupProcessByProcessId(ProcessId, &Process);
+    if (!NT_SUCCESS(status)) return status;
+
+    status = SeLocateProcessImageName(Process, ImageName);
+    ObDereferenceObject(Process);
+
+    return status;
+}
+
+BOOLEAN IsProcessTrusted(HANDLE ProcessId) {
+    if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
+    if (ProcessId == (HANDLE)4) return TRUE;
+    if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
+
+    PUNICODE_STRING imageFileName = NULL;
+    NTSTATUS status = GetProcessImageName(ProcessId, &imageFileName);
+    BOOLEAN isTrusted = FALSE;
+
+    if (NT_SUCCESS(status) && imageFileName && imageFileName->Buffer) {
+        for (SIZE_T i = 0; i < sizeof(SafeSystemBinaries) / sizeof(SafeSystemBinaries[0]); i++) {
+            if (WildcardMatch(SafeSystemBinaries[i], imageFileName->Buffer, imageFileName->Length)) {
+                isTrusted = TRUE;
+                goto cleanup;
+            }
+        }
+        for (SIZE_T i = 0; i < sizeof(SafeProcessPatterns) / sizeof(SafeProcessPatterns[0]); i++) {
+            if (WildcardMatch(SafeProcessPatterns[i], imageFileName->Buffer, imageFileName->Length)) {
+                isTrusted = TRUE;
+                goto cleanup;
+            }
+        }
+    }
+
+cleanup:
+    if (imageFileName) ExFreePool(imageFileName);
+    return isTrusted;
+}
+
+BOOLEAN IsCriticalSystemProcess(HANDLE ProcessId) {
+    if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
+    if (ProcessId == (HANDLE)4) return TRUE;
+    if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
+
+    PUNICODE_STRING imageFileName = NULL;
+    NTSTATUS status = GetProcessImageName(ProcessId, &imageFileName);
+    BOOLEAN isCritical = FALSE;
+
+    if (NT_SUCCESS(status) && imageFileName && imageFileName->Buffer) {
+        for (SIZE_T i = 0; i < sizeof(CriticalSystemBinaries) / sizeof(CriticalSystemBinaries[0]); i++) {
+            if (WildcardMatch(CriticalSystemBinaries[i], imageFileName->Buffer, imageFileName->Length)) {
+                isCritical = TRUE;
+                goto cleanup;
+            }
+        }
+    }
+
+cleanup:
+    if (imageFileName) ExFreePool(imageFileName);
+    return isCritical;
+}
+
+BOOLEAN IsInstallerProcess(HANDLE ProcessId) {
+    return IsProcessTrusted(ProcessId);
+}
+
+BOOLEAN IsTargetProtected(HANDLE ProcessId) {
+    if ((ULONG)(ULONG_PTR)ProcessId == GlobalData.PyasPid) return TRUE;
+    return FALSE;
+}
+
+BOOLEAN CheckRegistryRule(PCUNICODE_STRING KeyName) {
+    if (!KeyName || !KeyName->Buffer) return FALSE;
+
+    if (KeyName->Length < 4 * sizeof(WCHAR)) return FALSE;
+
+    for (int i = 0; i < sizeof(RegistryBlockList) / sizeof(RegistryBlockList[0]); i++) {
+        if (WildcardMatch(RegistryBlockList[i], KeyName->Buffer, KeyName->Length)) return TRUE;
+    }
+    return FALSE;
+}
+
+BOOLEAN CheckFileExtensionRule(PCUNICODE_STRING FileName) {
+    if (!FileName || !FileName->Buffer) return FALSE;
+    for (int i = 0; i < sizeof(DangerousExtensions) / sizeof(DangerousExtensions[0]); i++) {
+        if (HasSuffix(FileName, DangerousExtensions[i])) return TRUE;
+    }
+    return FALSE;
+}
+
+BOOLEAN CheckProtectedPathRule(PCUNICODE_STRING FileName) {
+    if (!FileName || !FileName->Buffer) return FALSE;
+
+    if (WildcardMatch(L"*\\Windows\\System32\\config\\systemprofile*", FileName->Buffer, FileName->Length)) {
+        return FALSE;
+    }
+
+    for (int i = 0; i < sizeof(ProtectedPaths) / sizeof(ProtectedPaths[0]); i++) {
+        if (WildcardMatch(ProtectedPaths[i], FileName->Buffer, FileName->Length)) return TRUE;
+    }
+    return FALSE;
+}
+
+static BOOLEAN IsHighEntropy(PVOID Buffer, ULONG Length) {
+    if (!Buffer || Length < 256) return FALSE;
+
+    ULONG Histogram[256] = { 0 };
+    PUCHAR Ptr = (PUCHAR)Buffer;
+    ULONG ScanLen = (Length > 1024) ? 1024 : Length;
+
+    __try {
+        for (ULONG i = 0; i < ScanLen; i++) {
+            Histogram[Ptr[i]]++;
+        }
+    }
+    __except (EXCEPTION_EXECUTE_HANDLER) {
+        return FALSE;
+    }
+
+    ULONG MaxFreq = 0;
+    for (int i = 0; i < 256; i++) {
+        if (Histogram[i] > MaxFreq) MaxFreq = Histogram[i];
+    }
+
+    ULONG ExpectedAvg = ScanLen / 256;
+    return (MaxFreq < (ExpectedAvg + HIGH_ENTROPY_THRESHOLD));
+}
+
+static BOOLEAN IsNaturallyCompressed(PCUNICODE_STRING FileName) {
+    if (!FileName || !FileName->Buffer) return FALSE;
+    for (int i = 0; i < sizeof(NaturallyCompressedExtensions) / sizeof(NaturallyCompressedExtensions[0]); i++) {
+        if (HasSuffix(FileName, NaturallyCompressedExtensions[i])) return TRUE;
+    }
+    return FALSE;
+}
+
+static BOOLEAN IsNoisyRansomPath(PCUNICODE_STRING FileName) {
+    if (!FileName || !FileName->Buffer) return FALSE;
+
+    if (WildcardMatch(L"*\\Windows\\Temp\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\Windows\\SystemTemp\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\Windows\\Prefetch\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\Windows\\Logs\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\Profiles\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\Program*\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\AppData\\Local\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*\\User Data\\*", FileName->Buffer, FileName->Length) ||
+        WildcardMatch(L"*$Recycle.Bin*", FileName->Buffer, FileName->Length)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static BOOLEAN IsExplorerProcess(HANDLE ProcessId) {
+    if (KeGetCurrentIrql() > APC_LEVEL) return FALSE;
+    PUNICODE_STRING imageFileName = NULL;
+    NTSTATUS status = GetProcessImageName(ProcessId, &imageFileName);
+    BOOLEAN isExplorer = FALSE;
+    if (NT_SUCCESS(status) && imageFileName && imageFileName->Buffer) {
+        if (HasSuffix(imageFileName, L"\\explorer.exe")) isExplorer = TRUE;
+        ExFreePool(imageFileName);
+    }
+    return isExplorer;
+}
+
+BOOLEAN CheckRansomActivity(HANDLE ProcessId, PUNICODE_STRING FileName, PVOID Buffer, ULONG Length, BOOLEAN IsWrite) {
+    if (IsNoisyRansomPath(FileName)) return FALSE;
+
+    if (!IsWrite) {
+        if (IsExplorerProcess(ProcessId)) return FALSE;
+    }
+
+    LARGE_INTEGER Now = { 0 };
+    KeQuerySystemTime(&Now);
+    BOOLEAN Result = FALSE;
+    BOOLEAN SuspiciousWrite = FALSE;
+
+    if (IsWrite && Buffer && Length > 0) {
+        if (!IsNaturallyCompressed(FileName) && IsHighEntropy(Buffer, Length)) {
+            SuspiciousWrite = TRUE;
+        }
+    }
+    if (IsWrite && !SuspiciousWrite) {
+        return FALSE;
+    }
+
+    ExAcquireFastMutex(&GlobalData.TrackerMutex);
+
+    PRANSOM_TRACKER Tracker = NULL;
+    PRANSOM_TRACKER EmptySlot = NULL;
+
+    for (int i = 0; i < MAX_TRACKERS; i++) {
+        if (RansomTrackers[i].ProcessId == ProcessId) {
+            Tracker = &RansomTrackers[i];
+            break;
+        }
+        if (RansomTrackers[i].ProcessId == NULL && !EmptySlot) {
+            EmptySlot = &RansomTrackers[i];
+        }
+    }
+
+    if (!Tracker) {
+        if (EmptySlot) {
+            Tracker = EmptySlot;
+            Tracker->ProcessId = ProcessId;
+            Tracker->ActivityCount = 0;
+            Tracker->LastActivityTime = Now;
+        }
+        else {
+            ExReleaseFastMutex(&GlobalData.TrackerMutex);
+            return FALSE;
+        }
+    }
+
+    LARGE_INTEGER Diff;
+    Diff.QuadPart = Now.QuadPart - Tracker->LastActivityTime.QuadPart;
+
+    if (Diff.QuadPart > (RANSOM_TIME_WINDOW_MS * 10000LL)) {
+        Tracker->ActivityCount = 0;
+        Tracker->LastActivityTime = Now;
+    }
+    else {
+        Tracker->LastActivityTime = Now;
+    }
+    ULONG Weight = 1;
+    if (IsWrite) {
+        Weight = SuspiciousWrite ? 2 : 1;
+    }
+    else {
+        Weight = 2;
+    }
+
+    Tracker->ActivityCount += Weight;
+
+    if (Tracker->ActivityCount >= RANSOM_COUNT_THRESHOLD) {
+        Result = TRUE;
+    }
+    ExReleaseFastMutex(&GlobalData.TrackerMutex);
+    return Result;
+}
+
+NTSTATUS SendMessageToUser(ULONG Code, ULONG Pid, PWCHAR Path, USHORT PathSize) {
+    if (KeGetCurrentIrql() > APC_LEVEL) return STATUS_UNSUCCESSFUL;
+
+    PYAS_MESSAGE msg;
+    RtlZeroMemory(&msg, sizeof(msg));
+    msg.MessageCode = Code;
+    msg.ProcessId = Pid;
+
+    if (Path && PathSize > 0) {
+        size_t MaxSize = sizeof(msg.Path) - sizeof(WCHAR);
+        size_t BytesToCopy = PathSize;
+        if (BytesToCopy > MaxSize) BytesToCopy = MaxSize;
+
+        __try {
+            RtlCopyMemory(msg.Path, Path, BytesToCopy);
+            msg.Path[BytesToCopy / sizeof(WCHAR)] = L'\0';
+        }
+        __except (EXCEPTION_EXECUTE_HANDLER) {
+            return STATUS_ACCESS_VIOLATION;
+        }
+    }
+
+    if (!ExAcquireRundownProtection(&GlobalData.PortRundown)) {
+        return STATUS_PORT_DISCONNECTED;
+    }
+
+    NTSTATUS status = STATUS_PORT_DISCONNECTED;
+    if (GlobalData.ClientPort) {
+        LARGE_INTEGER timeout;
+        timeout.QuadPart = -(5 * 10000);
+        status = FltSendMessage(GlobalData.FilterHandle, &GlobalData.ClientPort, &msg, sizeof(msg), NULL, NULL, &timeout);
+    }
+
+    ExReleaseRundownProtection(&GlobalData.PortRundown);
+    return status;
+}

README.md

@@ -1,23 +1,194 @@
-# PYAS (Python Antivirus Software)
-PYAS is not only free and open source without ads, A large number of offline databases are also built in, Always protect the privacy and data security of users.
-![PYAS](https://user-images.githubusercontent.com/85057800/202692146-e55848d5-7e24-405d-b33d-f4fa3883fba6.png)
+# PYAS
 
+Antivirus software written in Python and C++ that blocks threats through deep learning and behavioral monitoring!
 
-## Official Website 
-https://pyantivirus.wixsite.com/pyas , 
-https://github.com/87owo/PYAS
+<img width="2245" height="1477" alt="PYAS_UI" src="https://github.com/user-attachments/assets/87d40261-7655-49ad-a19c-1ffcca60584f" />
 
-## Hashes Library
-https://virusshare.com/hashes , 
-https://github.com/87owo/ViruslistMD5/releases
+## Requirements
+
+Python 3.10 is recommended. Other Python versions may require different pip commands.
+
+```
+pip install requests==2.32.4
+pip install PySide6==6.9.1
+pip install yara-python==4.5.4
+pip install Pillow==11.0.0
+pip install numpy==1.26.4
+pip install tensorflow==2.10.0
+pip install tf2onnx==1.13.0
+pip install onnxruntime==1.18.1
+```
+
+## File Information
+
+The following lists the storage locations of all relevant code and other related documents.
+
+```
+PYAS/
+├── Engine/
+│   ├── Models/
+│   │   ├── convert.py               # Convert executable files or other files to images
+│   │   ├── train.py                 # TensorFlow CNN model training complete code
+│   │   └── ...                      # Other models folders and files
+│   │
+│   └── Rules/
+│       ├── rules.yar                # Yara virus signature rule matching
+│       ├── rules.ips                # IP network address rule matching
+│       └── ...                      # Other rules folders and files
+│
+├── Plugins/
+│   └── Filter/
+│       ├── DriverEntry.cpp          # Main driver entry and initialization logic
+│       ├── DriverCommon.h           # Global driver definitions, constants, and functions
+│       ├── ProtectBoot.cpp          # Disk boot sector write protection
+│       ├── ProtectRegistry.cpp      # Registry modification protection
+│       ├── ProtectRules.cpp         # White, block list, and matching logic for files registry
+│       └── ...                      # Other driver 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
+```
+
+## Architecture diagram
+
+PYAS Security antivirus software general architecture diagram.
+
+```mermaid
+graph TD
+    %% Global Styles
+    classDef ui fill:#e1f5fe,stroke:#01579b,stroke-width:2px;
+    classDef logic fill:#fff9c4,stroke:#fbc02d,stroke-width:2px;
+    classDef engine fill:#e8f5e9,stroke:#2e7d32,stroke-width:2px;
+    classDef thread fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px;
+    classDef kernel fill:#ffebee,stroke:#c62828,stroke-width:2px;
+    classDef data fill:#eceff1,stroke:#455a64,stroke-width:2px,stroke-dasharray: 5 5;
+
+    User((User))
+
+    subgraph Presentation_Layer ["Presentation Layer (View)"]
+        direction TB
+        UI_Static["PYAS_Interface.py<br/>(Ui_main_window Class)"]:::ui
+        UI_Controller["PYAS.py<br/>(MainWindow_Controller Class)"]:::ui
+        TrayIcon["System Tray Icon"]:::ui
+        
+        User <--> UI_Controller
+        UI_Static --- UI_Controller
+        UI_Controller --- TrayIcon
+    end
+
+    subgraph Core_Logic_Layer ["Core Logic & Controller"]
+        direction TB
+        Init_Env["Initialization<br/>(init_environ, init_variable,<br/>init_windll)"]:::logic
+        Config_Mgr["Configuration Manager<br/>(load_config, save_config)"]:::logic
+        
+        subgraph System_Tools ["System Tools"]
+            Sys_Repair["System Repair<br/>(repair_system_mbr,<br/>repair_system_image, etc.)"]:::logic
+            Sys_Clean["System Cleaner<br/>(clean_button, traverse_temp)"]:::logic
+            Proc_Mgr["Process Manager<br/>(list_process, kill_process)"]:::logic
+            List_Mgr["List Manager<br/>(manage_named_list:<br/>Whitelist/Quarantine)"]:::logic
+        end
+
+        UI_Controller --> Init_Env
+        Init_Env --> Config_Mgr
+        UI_Controller --> System_Tools
+    end
+
+    subgraph Protection_Layer ["Real-time Protection Threads (Daemons)"]
+        direction TB
+        Thread_Proc["Process Guard Thread<br/>(protect_proc_thread)<br/>[WMI/Snapshot]"]:::thread
+        Thread_File["File Guard Thread<br/>(protect_file_thread)<br/>[ReadDirectoryChangesW]"]:::thread
+        Thread_Net["Network Guard Thread<br/>(protect_net_thread)<br/>[GetExtendedTcpTable]"]:::thread
+        Thread_Sys["System Guard Thread<br/>(protect_system_thread)<br/>[Reg/MBR Check]"]:::thread
+        Thread_Popup["Popup Blocker Thread<br/>(popup_intercept_thread)<br/>[EnumWindows]"]:::thread
+        Thread_Pipe["Driver IPC Thread<br/>(pipe_server_thread)<br/>[NamedPipe Server]"]:::thread
+
+        Init_Env --> Thread_Proc
+        Init_Env --> Thread_File
+        Init_Env --> Thread_Net
+        Init_Env --> Thread_Sys
+        Init_Env --> Thread_Popup
+        Init_Env --> Thread_Pipe
+    end
+
+    subgraph Engine_Layer ["Detection Engine (PYAS_Engine.py)"]
+        direction TB
+        Scan_Worker["Scan Worker<br/>(scan_worker / scan_engine)"]:::engine
+        
+        subgraph Scanners
+            Sign_Check["Signature Scanner<br/>(sign_scanner)<br/>[WinVerifyTrust]"]:::engine
+            AI_Model["AI Model Scanner<br/>(model_scanner)<br/>[ONNX/ResNet]"]:::engine
+            Yara_Rules["Rule Scanner<br/>(rule_scanner)<br/>[Yara/IP Lists]"]:::engine
+        end
+
+        Thread_Proc --> Scan_Worker
+        Thread_File --> Scan_Worker
+        Thread_Net --> Scan_Worker
+        UI_Controller -->|Manual Scan| Scan_Worker
+
+        Scan_Worker --> Sign_Check
+        Scan_Worker --> AI_Model
+        Scan_Worker --> Yara_Rules
+    end
+
+    subgraph Kernel_OS_Layer ["Windows Kernel & Driver"]
+        direction TB
+        WinAPI["Windows API (ctypes)<br/>(kernel32, user32, ntdll,<br/>advapi32, iphlpapi, psapi)"]:::kernel
+        Driver_Sys["Kernel Driver<br/>(PYAS_Driver.sys)"]:::kernel
+        OS_FS["File System (NTFS)"]:::kernel
+        OS_Net["Network Stack"]:::kernel
+
+        Init_Env -- Load DLLs --> WinAPI
+        Thread_File -- Monitor --> OS_FS
+        Thread_Net -- Monitor --> OS_Net
+        Thread_Proc -- Suspend/Kill --> WinAPI
+        
+        Thread_Pipe <==>|"Named Pipe IPC<br/>(\\.\pipe\PYAS_Output_Pipe)"| Driver_Sys
+        Driver_Sys -- Callback/Block --> WinAPI
+    end
+
+    subgraph Data_Persistence ["Data & Resources"]
+        Config_File[("Config.json")]:::data
+        Model_Files[("Model Files<br/>(.onnx)")]:::data
+        Rule_Files[("Rule Files<br/>(.yar)")]:::data
+        Quarantine_Dir[("/Quarantine/")]:::data
+
+        Config_Mgr <--> Config_File
+        AI_Model <--> Model_Files
+        Yara_Rules <--> Rule_Files
+        List_Mgr <--> Quarantine_Dir
+    end
+```
 
 ## Support System
-Windows 8.1, 10, 11 (64-bit), Ram 1GB, Rom 1GB or higher
 
-## Import Module
-os, sys, psutil, subprocess, cryptocode, threading, configparser, datetime, webbrowser, pefile, PYAS_English, pefile, hashlib, PyQt5, PYAS_UI, pywin32
+| 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   |
 
-## Special Thanks
-Wix, Avast, Github, Google, Python, Microsoft, VirusTotal, VirusShare, mtkiao129, LenStevens
+## Packaged Releases
 
-Copyright© 2020~2022 PYAS Security
+Download the installer. If it is incompatible with your system, you can repackage it yourself.
+
+Packaged Download: https://github.com/87owo/PYAS/releases
+
+## Official Website
+
+If you are interested in this project, you can visit the website to see other related content.
+
+Source Available : https://github.com/87owo/PYAS
+
+Official Website : https://pyas-security.com/antivirus
+
+## Project License
+
+For any questions, needs, or bug feedback, please contact us through the following website.
+
+Source Issues : https://github.com/87owo/PYAS/issues
+
+Official Email : mailto:service.pyas@gmail.com