Registry Persistence via Explorer Run Key

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About the rule

Rule Type

Standard

Rule Description

Detects a possible persistence mechanism using RUN key for Windows Explorer and pointing to a suspicious folder

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND (OBJECTNAME endswith "\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run" OR (OBJECTNAME endswith "\Microsoft\Windows\CurrentVersion\Policies\Explorer" AND OBJECTVALUENAME = "Run")) AND INFORMATION contains ":\$Recycle.bin\,:\ProgramData\,:\Temp\,:\Users\Default\,:\Users\Public\,:\Windows\Temp\,\AppData\Local\Temp" select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems), oscd.community