Windows Defender Offline Shell
OfflineScannerShell
Execute mpclient.dll library in the current working directory
Can be used to evade defensive countermeasures or to hide as a persistence mechanism
C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe
Sigma: https://github.com/SigmaHQ/sigma/blob/bea6f18d350d9c9fdc067f93dde0e9b11cc22dc2/rules/windows/process_creation/proc_creation_win_lolbas_offlinescannershell.yml, IOC: OfflineScannerShell.exe should not be run on a normal workstation
Elliot Killick (@elliotkillick)