Suspicious Regsvr32 Execution From Remote Share

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects REGSVR32.exe to execute DLL hosted on remote shares

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\regsvr32.exe" OR ORIGINALFILENAME = "\REGSVR32.EXE") AND COMMANDLINE contains " \" 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)