Detection rules › Sigma
Potential CVE-2023-21554 QueueJumper Exploitation
Detects potential exploitation of CVE-2023-21554 (dubbed QueueJumper)
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Potential CVE-2023-21554 QueueJumper Exploitation
id: 53207cc2-0745-4c19-bc72-80be1cc16b3f
status: test
description: Detects potential exploitation of CVE-2023-21554 (dubbed QueueJumper)
references:
- https://research.checkpoint.com/2023/queuejumper-critical-unauthorized-rce-vulnerability-in-msmq-service/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-04-12
tags:
- attack.privilege-escalation
- attack.execution
- cve.2023-21554
- detection.emerging-threats
logsource:
product: windows
category: process_creation
detection:
selection:
ParentImage|endswith: '\Windows\System32\mqsvc.exe'
Image|endswith:
- '\cmd.exe'
- '\cscript.exe'
- '\mshta.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\schtasks.exe'
- '\wmic.exe'
- '\wscript.exe'
- '\wsl.exe'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ParentImage|endswith: '\Windows\System32\mqsvc.exe'
Image|endswith:
- '\cmd.exe'
- '\cscript.exe'
- '\mshta.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\schtasks.exe'
- '\wmic.exe'
- '\wscript.exe'
- '\wsl.exe'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
Image | ends_with |
|
ParentImage | ends_with |
|