OfflineScannerShell.exe
Windows Defender Offline Shell
Full path
C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exeCommands
Can be used to evade defensive countermeasures or to hide as a persistence mechanism
OfflineScannerShellExecute mpclient.dll library in the current working directory
os: Windows 10, Windows 11
Detection
- Sigma https://github.com/SigmaHQ/sigma/blob/bea6f18d350d9c9fdc067f93dde0e9b11cc22dc2/rules/windows/process_creation/proc_creation_win_lolbas_offlinescannershell.yml
- IOCOfflineScannerShell.exe should not be run on a normal workstation
acknowledgement: Elliot Killick @elliotkillick