Forest Blizzard APT - Custom Protocol Handler Creation

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About the rule

Rule Type

Standard

Rule Description

Detects the setting of a custom protocol handler with the name "rogue". Seen being created by Forest Blizzard APT as reported by MSFT.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "\PROTOCOLS\Handler\rogue\CLSID" OR (OBJECTNAME endswith "\PROTOCOLS\Handler\rogue" AND OBJECTVALUENAME startswith "CLSID")) AND INFORMATION = "{026CC6D7-34B2-33D5-B551-CA31EB6CE345}" select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)