Reg Add Suspicious Paths

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About the rule

Rule Type

Standard

Rule Description

Detects when an adversary uses the reg.exe utility to add or modify new keys or subkeys

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\reg.exe" OR ORIGINALFILENAME = "reg.exe") AND COMMANDLINE contains "\AppDataLow\Software\Microsoft\,\Policies\Microsoft\Windows\OOBE,\Policies\Microsoft\Windows NT\CurrentVersion\Winlogon,\SOFTWARE\Microsoft\Windows NT\Currentversion\Winlogon,\CurrentControlSet\Control\SecurityProviders\WDigest,\Microsoft\Windows Defender" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113, Nasreddine Bencherchali (Nextron Systems)