Suspicious Powercfg Execution To Change Lock Screen Timeout
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious execution of 'Powercfg.exe' to change lock screen timeout
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\powercfg.exe" OR ORIGINALFILENAME = "PowerCfg.exe") AND ((COMMANDLINE contains "/setacvalueindex " AND COMMANDLINE contains "SCHEME_CURRENT" AND COMMANDLINE contains "SUB_VIDEO" AND COMMANDLINE contains "VIDEOCONLOCK") OR (COMMANDLINE contains "-change " AND COMMANDLINE contains "-standby-timeout-")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
