Suspicious Startup Folder Persistence

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About the rule

Rule Type

Standard

Rule Description

Detects when a file with a suspicious extension is created in the startup folder

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND (FILENAME contains "\Windows\Start Menu\Programs\Startup" OR OBJECTNAME contains "\Windows\Start Menu\Programs\Startup") AND (FILENAME endswith ".vbs,.vbe,.bat,.ps1,.hta,.dll,.jar,.msi,.scr,.cmd" OR OBJECTNAME endswith ".vbs,.vbe,.bat,.ps1,.hta,.dll,.jar,.msi,.scr,.cmd") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)