AMSI bypass
Named by 6 kept items in this workspace.
4 items name it under techniques, 1 under classification.key entities and 1 under tools.
Search every workspace for AMSI bypass. It matches the name as written, so it can find other things that share it.
The items that name it 6
Technique/capability to evade the Antimalware Scan Interface, combined with the FRUITSHELL comment in ROZESHELL.
Shellcode targets amsi.dll to blind Windows' Antimalware Scan Interface before running further code.
Sets AmsiUtils.amsiInitFailed = true to disable AMSI scanning.
PowerShell script patches AMSI in-process by using [Ref].Assembly to find AmsiUtils, locate amsiContext field, and overwrite it with 0x80070057 (E_INVALIDARG) so subsequent script content bypasses AMSI scanning.
Malware technique covered in the endpoint hunting section as something to detect
All techniques in this workspace.