CRPx0 stager DLL masquerading as WindowsUpdate.log run via rundll32

Ibrahim Saud@tektrix

•updated 22 days ago•0•0•3

Detects potential abuse of rundll32.exe to execute commands or functions, particularly those involving references to 'WindowsUpdate.log' or direct execution with ordinal identifiers ('#1'). This rule also monitors file operations involving 'WindowsUpdate.log' initiated by common script interpreters like powershell.exe, cmd.exe, or rundll32.exe, which is often associated with obfuscated techniques to execute malicious payloads or bypass security controls.