Class: AiRootShield::Analyzers::HookingDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/ai_root_shield/analyzers/hooking_detector.rb

Overview

Detects hooking frameworks and runtime instrumentation

Constant Summary collapse

FRIDA_INDICATORS =

Frida indicators

%w[
  frida-server
  frida-agent
  frida-gadget
  re.frida.server
  /data/local/tmp/frida-server
  /system/bin/frida-server
  /system/xbin/frida-server
  libfrida-gadget.so
  frida-agent.so
  FridaGadget
].freeze
XPOSED_INDICATORS =

Xposed Framework indicators

%w[
  de.robv.android.xposed.installer
  XposedBridge
  XposedHelpers
  libxposed_art.so
  libxposed_dalvik.so
  /system/framework/XposedBridge.jar
  /system/bin/app_process_xposed
  /system/xbin/xposed
  XposedMods
].freeze
SUBSTRATE_INDICATORS =

Substrate/Cydia Substrate indicators

%w[
  MobileSubstrate
  libsubstrate.dylib
  /Library/MobileSubstrate/
  /usr/lib/libsubstrate.dylib
  CydiaSubstrate
  MSHookFunction
  MSHookMessageEx
  substrate.h
].freeze
MAGISK_INDICATORS =

Magisk indicators

%w[
  magisk
  magiskhide
  magiskpolicy
  /sbin/magisk
  /system/xbin/magisk
  com.topjohnwu.magisk
  magisk.img
  magisk_merge.img
  .magisk
  magiskinit
].freeze
DEBUG_INDICATORS =

Debugging indicators

%w[
  android:debuggable
  ro.debuggable
  gdb
  gdbserver
  lldb
  lldb-server
  strace
  ltrace
  /system/bin/gdbserver
  /data/local/tmp/gdbserver
].freeze

Instance Method Summary collapse

Instance Method Details

#analyze(device_data) ⇒ Object



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# File 'lib/ai_root_shield/analyzers/hooking_detector.rb', line 74

def analyze(device_data)
  factors = []
  risk_score = 0

  # Check for Frida
  frida_result = check_frida_presence(device_data)
  factors.concat(frida_result[:factors])
  risk_score += frida_result[:risk_score]

  # Check for Xposed Framework
  xposed_result = check_xposed_framework(device_data)
  factors.concat(xposed_result[:factors])
  risk_score += xposed_result[:risk_score]

  # Check for Substrate (iOS)
  substrate_result = check_substrate_presence(device_data)
  factors.concat(substrate_result[:factors])
  risk_score += substrate_result[:risk_score]

  # Check for Magisk
  magisk_result = check_magisk_presence(device_data)
  factors.concat(magisk_result[:factors])
  risk_score += magisk_result[:risk_score]

  # Check for debugging tools
  debug_result = check_debugging_tools(device_data)
  factors.concat(debug_result[:factors])
  risk_score += debug_result[:risk_score]

  # Check runtime behavior indicators
  runtime_result = check_runtime_indicators(device_data)
  factors.concat(runtime_result[:factors])
  risk_score += runtime_result[:risk_score]

  {
    factors: factors,
    risk_score: [risk_score, 100].min
  }
end