Sigma rule: Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800
A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-10a05f12f845, updated 2025-11-03T00:00:00.000Z.
Rule
- Title
- Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800
- Status
- test
- Level
- high
- Author
- Bhabesh Raj
- Date
- 2022-05-04
- Modified
- 2025-11-03
- File
- rules-emerging-threats/2022/Exploits/CVE-2022-29799/lnx_exploit_cve_2022_27999_cve_2022_27800.yml
- Commit
- ccbb0369507f796db0b0ae6854c8a2be471b9d84
Detects potential exploitation attempts of Nimbuspwn vulnerabilities CVE-2022-29799 and CVE-2022-27800 in Linux systems.
Log source
- product
- linux
Detection
keywords:
'|all':
- 'networkd-dispatcher'
- 'Error handling notification for interface'
- '../../'
condition: keywordsFalse positives (as the rule lists them)
- Unknown
Tags
- attack.privilege-escalation
- attack.t1068
- detection.emerging-threats
- cve.2022-29799
- cve.2022-27800
CVEs this rule names
MITRE ATT&CK ids this rule names
References
- https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
- https://github.com/Immersive-Labs-Sec/nimbuspwn
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-2022-29799/lnx_exploit_cve_2022_27999_cve_2022_27800.yml
Sources and licences
SigmaHQ
"Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800" by Bhabesh Raj (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2022/Exploits/CVE-2022-29799/lnx_exploit_cve_2022_27999_cve_2022_27800.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Cite this page
Dragons Eye Ransomware Tracker, "Sigma rule: Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800",
entity page, dataset version ref-10a05f12f845, updated 2025-11-03T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/7ba05b43-adad-4c02-b5e9-c8c35cdf9fa8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 7ba05b43-adad-4c02-b5e9-c8c35cdf9fa8, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.