Unhandled Exception Filter

An application-defined function that passes unhandled exceptions to the debugger, if the process is being debugged. Otherwise, it optionally displays an application arror message box and causes the exception handler to be executed.


Detection Rules

    name: check for protected handle exception
    namespace: anti-analysis/anti-debugging/debugger-detection
    author: michael.hunhoff@fireeye.com
    scope: function
      - Anti-Behavioral Analysis::Debugger Detection::SetHandleInformation [B0001.024]
      - https://github.com/LordNoteworthy/al-khaser/blob/master/al-khaser/AntiDebug/SetHandleInformation_API.cpp
      - al-khaser_x86.exe_:0x430D20
    - and:
      - basic block:
        - and:
          - count(number(2)): 2 or more
          - api: SetHandleInformation
      - api: CloseHandle

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