ETW Logging Disabled For rpcrt4.dll
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About the rule
Rule Type
Standard
Rule Description
Detects changes to the "ExtErrorInformation" key in order to disable ETW logging for rpcrt4.dll
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME endswith "\Microsoft\Windows NT\Rpc\ExtErrorInformation" OR (OBJECTNAME endswith "\Microsoft\Windows NT\Rpc" AND OBJECTVALUENAME = "ExtErrorInformation")) AND (INFORMATION = "DWORD (0x00000000),DWORD (0x00000002)" OR (CHANGES = "0,2" AND NEWTYPE = "REG_DWORD,REG_DWORD")) 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)
