Suspicious manipulation of firewall detected via Syslog data
This query searches for any suspicious manipulation of firewall often performed by attackers after exploiting remote code execution vulnerability in Log4j component of Apache for C2 communications or exfiltration.
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- syslog
- Log source service
- syslog
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- e178baf5-3cf3-4960-8ca4-8da6d90d8206
- Tagged by the source as
- DefenseEvasion
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1