rundll32.exe LOLBin Abuse via Non-System DLL or Suspicious Export

Ankit Mehta@Secvyn

•updated Jun 29, 2026•0•0•0

Detects execution of rundll32.exe with suspicious arguments or from non-standard file paths, often used to proxy malicious code execution, load scripts (JavaScript), or execute arbitrary DLLs from user-writable directories. The rule includes filters to exclude legitimate Windows system operations.