Windows Recovery Environment Disabled Via Reagentc

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About the rule

Rule Type

Standard

Rule Description

Detects attempts to disable windows recovery environment using Reagentc.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (( PROCESSNAME endswith "\reagentc.exe" OR ORIGINALFILENAME = "reagentc.exe" ) AND COMMANDLINE contains "/disable,-disable" ) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID

Detection

Execution Mode

realtime

Log Sources

Windows

Author

@Daniel Koifman (KoifSec), Michael Vilshin