RedMimicry Winnti Playbook Execution
Detects the execution of specific commands and DLLs associated with the RedMimicry Winnti playbook, an automated breach emulation utility. The rule looks for 'rundll32.exe' or 'cmd.exe' processes executing with command-line arguments containing 'gthread-3.6.dll', '\Windows\Temp\tmp.bat', or 'sigcmm-2.4.dll'. This indicates the use of specific tools and techniques employed by the Winnti threat group, as emulated by RedMimicry.
Sigma
