Emerging Threathightest
Atlassian Confluence CVE-2022-26134
Detects spawning of suspicious child processes by Atlassian Confluence server which may indicate successful exploitation of CVE-2022-26134
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
LinuxProcess Creation
ProductLinux← raw: linux
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
# Monitor suspicious child processes spawned by Confluence
ParentImage|startswith: '/opt/atlassian/confluence/'
ParentImage|endswith: '/java'
CommandLine|contains:
- '/bin/sh'
- 'bash'
- 'dash'
- 'ksh'
- 'zsh'
- 'csh'
- 'fish'
- 'curl'
- 'wget'
- 'python'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Other
cve.2022-26134detection.emerging-threats
Rule Metadata
Rule ID
7fb14105-530e-4e2e-8cfb-99f7d8700b66
Status
test
Level
high
Type
Emerging Threat
Created
Fri Jun 03
Path
rules-emerging-threats/2022/Exploits/CVE-2022-26134/proc_creation_lnx_exploit_cve_2022_26134_atlassian_confluence.yml
Raw Tags
attack.initial-accessattack.executionattack.t1190attack.t1059cve.2022-26134detection.emerging-threats