Sigma rule: Potential CVE-2023-21554 QueueJumper Exploitation

Rule

Title

Potential CVE-2023-21554 QueueJumper Exploitation

Status

test

Level

high

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2023-04-12

File

rules-emerging-threats/2022/Exploits/CVE-2022-21554/proc_creation_win_exploit_cve_2023_21554_queuejumper.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potential exploitation of CVE-2023-21554 (dubbed QueueJumper)

Log source

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

False positives (as the rule lists them)

• Unknown

Tags

• attack.privilege-escalation
• attack.execution
• cve.2023-21554
• detection.emerging-threats

CVEs this rule names

• CVE-2023-21554

References

• https://research.checkpoint.com/2023/queuejumper-critical-unauthorized-rce-vulnerability-in-msmq-service/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2022/Exploits/CVE-2022-21554/proc_creation_win_exploit_cve_2023_21554_queuejumper.yml