Hidden Local Account Detection
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of a hidden local user account by appending the dollar sign to the account name. This may be done by the attackers to increase access to a system and avoid appearing in the results of accounts listing using the net users command.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "User account created" AND (TARGETUSER endswith "$")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.TARGETUSER,Action1.TARGETDOMAIN,Action1.USERNAME,Action1.DOMAIN,Action1.DISPLAYNAME,Action1.MEMBERGROUPSID,Action1.SAMACCOUNTNAME,Action1.SECURITYID,Action1.USERPRINCIPALNAME
Detection
Execution Mode
realtime
Log Sources
Windows
