Detection rules › Sigma
Forest Blizzard APT - Custom Protocol Handler Creation
Detects the setting of a custom protocol handler with the name "rogue". Seen being created by Forest Blizzard APT as reported by MSFT.
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | |
| Privilege Escalation |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 13: RegistryEvent (Value Set) |
Rule body
title: Forest Blizzard APT - Custom Protocol Handler Creation
id: 5cdeb555-65de-4767-99fe-e26807465148
status: test
description: |
Detects the setting of a custom protocol handler with the name "rogue".
Seen being created by Forest Blizzard APT as reported by MSFT.
references:
- https://www.microsoft.com/en-us/security/blog/2024/04/22/analyzing-forest-blizzards-custom-post-compromise-tool-for-exploiting-cve-2022-38028-to-obtain-credentials/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2024-04-23
tags:
- attack.privilege-escalation
- attack.persistence
- attack.t1547.001
- detection.emerging-threats
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains: '\PROTOCOLS\\Handler\rogue\CLSID'
Details: '{026CC6D7-34B2-33D5-B551-CA31EB6CE345}'
condition: selection
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetObject|contains: '\PROTOCOLS\\Handler\rogue\CLSID'
Details: '{026CC6D7-34B2-33D5-B551-CA31EB6CE345}'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Details | eq |
| field:"Details" kind:eq value:"{026CC6D7-34B2-33D5-B551-CA31EB6CE345}" |
TargetObject | match |
| field:"TargetObject" kind:match value:"\PROTOCOLS\\Handler\rogue\CLSID" |