Nimbus Manticore Persistence Task Detection
This rule detects various activities associated with the Nimbus Manticore implant, including its process execution with a specific argument, the creation of a scheduled task for persistence, and the staging of malicious files in a specific AppData directory. It looks for the execution of 'setup.exe' with 'doit' argument, the creation of a scheduled task containing 'BackupCheck', and the creation of specific files like 'setup.exe.config', 'TOTPGuard.dll', 'main.dll', and 'setup.exe' within the '\AppData\Roaming\2FAGuard\' folder.
Microsoft Sentinel (KQL)
