Shell Context Menu Command Tampering
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About the rule
Rule Type
Standard
Rule Description
Detects changes to shell context menu commands. Use this rule to hunt for potential anomalies and suspicious shell commands.
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "\Software\Classes" AND OBJECTNAME contains "\shell" AND OBJECTNAME contains "\command") OR ((OBJECTNAME endswith "\Software\Classes" AND isExist(OBJECTVALUENAME)) OR (OBJECTNAME endswith "\shell" AND isExist(OBJECTVALUENAME)) OR (OBJECTNAME endswith "\command" AND isExist(OBJECTVALUENAME))) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
