Persistence Via Hhctrl.ocx
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About the rule
Rule Type
Standard
Rule Description
Detects when an attacker modifies the registry value of the "hhctrl" to point to a custom binary
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "\CLSID\{52A2AAAE-085D-4187-97EA-8C30DB990436}\InprocServer32\(Default)" OR (OBJECTNAME endswith "\CLSID\{52A2AAAE-085D-4187-97EA-8C30DB990436}\InprocServer32" AND OBJECTVALUENAME startswith "(Default)")) AND INFORMATION != "C:\Windows\System32\hhctrl.ocx" 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)
