Rebuild Performance Counter Values Via Lodctr.EXE

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About the rule

Rule Type

Standard

Rule Description

Detects the execution of "lodctr.exe" to rebuild the performance counter registry values. This can be abused by attackers by providing a malicious config file to overwrite performance counter configuration to confuse and evade monitoring and security solutions.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\lodctr.exe" AND ORIGINALFILENAME = "LODCTR.EXE") AND COMMANDLINE contains " -r, /r, –r, —r, ―r" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)