Detecting Window with FindWindow API

Created the Monday 18 March 2019. Updated 3 years, 10 months ago.

The FindWindowA / FindWindowW function can be used to search for windows by name or class.

It is also possible to use EnumWindows API in conjunction with GetWindowTextLength and GetWindowText to locate a piece of string that could reveal the presence of a known debugger.

Some Known Debuggers

  • ImmunityDebugger
  • OllyDbg
  • IDA
  • x64dbg / x32dbg
  • WinDbg

Technique Identifiers

U0406 U0123

Technique Tags

WinAPI FindWindow


Code Snippets

Detection Rules

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

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