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import re
import os
from pathlib import Path
class SSLPinningDetector:
def __init__(self, app_path):
self.app_path = app_path
self.pinning_indicators = []
def detect_android_ssl_pinning(self):
"""检测Android应用中的SSL Pinning"""
if self.app_path.endswith('.apk'):
return self.detect_apk_ssl_pinning()
if os.path.isdir(self.app_path):
return self.detect_source_ssl_pinning()
return False
def detect_apk_ssl_pinning(self):
"""检测APK中的SSL Pinning"""
import zipfile
try:
with zipfile.ZipFile(self.app_path, 'r') as apk:
if 'classes.dex' in apk.namelist():
dex_data = apk.read('classes.dex')
if self.scan_dex_for_pinning(dex_data):
return True
for file_name in apk.namelist():
if file_name.endswith('.xml') or file_name.endswith('.json'):
file_data = apk.read(file_name)
if self.scan_resources_for_pinning(file_data):
return True
except Exception as e:
print(f"[-] Error analyzing APK: {e}")
return False
def scan_dex_for_pinning(self, dex_data):
"""扫描DEX文件中的SSL Pinning代码"""
dex_str = dex_data.decode('utf-8', errors='ignore')
pinning_strings = [
'CertificatePinner',
'TrustKit',
'SSLContext',
'X509TrustManager',
'checkServerTrusted',
'pinning',
'certificate',
'sha256',
'public-key-pins'
]
found_indicators = []
for string in pinning_strings:
if string.lower() in dex_str.lower():
found_indicators.append(string)
if found_indicators:
self.pinning_indicators.extend(found_indicators)
return True
return False
def scan_resources_for_pinning(self, resource_data):
"""扫描资源文件中的SSL Pinning配置"""
resource_str = resource_data.decode('utf-8', errors='ignore')
if 'network_security_config' in resource_str:
if 'pin-set' in resource_str or 'certificates' in resource_str:
self.pinning_indicators.append('network_security_config')
return True
if 'trustkit' in resource_str.lower():
self.pinning_indicators.append('trustkit_config')
return True
return False
def detect_source_ssl_pinning(self):
"""检测源代码中的SSL Pinning"""
for root, dirs, files in os.walk(self.app_path):
for file in files:
if file.endswith(('.java', '.kt', '.swift', '.m', '.h')):
file_path = os.path.join(root, file)
if self.scan_source_file(file_path):
return True
return False
def scan_source_file(self, file_path):
"""扫描单个源文件"""
try:
with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
content = f.read()
pinning_patterns = [
r'CertificatePinner',
r'TrustKit',
r'SSLContext',
r'X509TrustManager',
r'checkServerTrusted',
r'pinning',
r'certificate.*pin',
r'sha256.*pin'
]
for pattern in pinning_patterns:
if re.search(pattern, content, re.IGNORECASE):
self.pinning_indicators.append(f"{file_path}: {pattern}")
return True
except Exception as e:
print(f"[-] Error scanning file {file_path}: {e}")
return False
def get_pinning_indicators(self):
"""获取检测到的SSL Pinning指标"""
return self.pinning_indicators
if __name__ == "__main__":
detector = SSLPinningDetector("app.apk")
has_pinning = detector.detect_android_ssl_pinning()
if has_pinning:
print("[+] SSL Pinning detected!")
print("Indicators:")
for indicator in detector.get_pinning_indicators():
print(f" - {indicator}")
else:
print("[-] No SSL Pinning detected")
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