sigmaDRL-1.1from SigmaHQ/sigma
Bypass UAC Using SilentCleanup Task
Detects the setting of the environement variable "windir" to a non default value. Attackers often abuse this variable in order to trigger a UAC bypass via the "SilentCleanup" task. The SilentCleanup task located in %windir%\system32\cleanmgr.exe is an auto-elevated task that can be abused to elevate any file with administrator privileges without prompting UAC.
Quality
92
FP risk
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ATT&CK techniques
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