check for unexpected memory writes

rule:
  meta:
    name: check for unexpected memory writes
    namespace: anti-analysis/anti-debugging/debugger-detection
    authors:
      - michael.hunhoff@mandiant.com
    scopes:
      static: basic block
      dynamic: call
    mbc:
      - Anti-Behavioral Analysis::Debugger Detection::Memory Write Watching [B0001.010]
    references:
      - https://github.com/LordNoteworthy/al-khaser/blob/master/al-khaser/AntiDebug/WriteWatch.cpp
    examples:
      - al-khaser_x86.exe_:0x431EBC
  features:
    - and:
      - api: kernel32.GetWriteWatch
      - number: 0x0