(YARA) YARA_Hook_Injection

Created the . Updated 1 year, 4 months ago.

            rule HookInjection {
  condition:
    (
      // SetWindowsHookEx is often used to install hooks
      (uint32(0) == 0x00EC8B55 and (pe.exports("SetWindowsHookExA") or pe.exports("SetWindowsHookExW")))
      
      // UnhookWindowsHookEx is often used to remove hooks
      or (uint32(0) == 0x00EC8B55 and (pe.exports("UnhookWindowsHookEx")))
      
      // A hook function often calls CallNextHookEx
      or (uint32(0) == 0x00EC8B55 and (pe.exports("CallNextHookEx")))
    )
}
        

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