Suspicious Autorun Registry Modified via WMI
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious activity where the WMIC process is used to create an autorun registry entry via reg.exe, which is often indicative of persistence mechanisms employed by malware.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (( PROCESSNAME endswith "\wmic.exe" OR ORIGINALFILENAME = "wmic.exe" OR PARENTPROCESSNAME endswith "\wmiprvse.exe" ) AND ( COMMANDLINE contains "reg" AND COMMANDLINE contains "add" AND COMMANDLINE contains "\Microsoft\Windows\CurrentVersion\Run,\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run" )) AND (( COMMANDLINE contains ":\Perflogs,:\ProgramData,:\Windows\Temp,:\Temp,\AppData\Local\Temp,\AppData\Roaming,:\$Recycle.bin,:\Users\Default,:\Users\public,%temp%,%tmp%,%Public%,%AppData%" ) OR ( COMMANDLINE contains ":\Users" AND COMMANDLINE = "\Favorites,\Favourites,\Contacts,\Music,\Pictures,\Documents,\Photos" ))
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
@Swachchhanda Shrawan Poudel (Nextron Systems)
