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Convert indexed Sigma rules into analyst-ready detections.
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CLI Versions
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Newest: 2.0.2
Translation Workspace
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Active Rule
CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Linux)
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Linux)
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Linux)
id: f8987c03-4290-4c96-870f-55e75ee377f4
related:
- id: 1ddaa9a4-eb0b-4398-a9fe-7b018f9e23db
type: similar
status: test
description: |
Detects exploitation attempt of CVE-2023-22518 (Confluence Data Center / Confluence Server), where an attacker can exploit vulnerable endpoints to e.g. create admin accounts and execute arbitrary commands.
references:
- https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html
- https://www.huntress.com/blog/confluence-to-cerber-exploitation-of-cve-2023-22518-for-ransomware-deployment
- https://github.com/ForceFledgling/CVE-2023-22518
author: Andreas Braathen (mnemonic.io)
date: 2023-11-14
tags:
- attack.execution
- attack.t1059
- attack.initial-access
- attack.t1190
- cve.2023-22518
- detection.emerging-threats
logsource:
category: process_creation
product: linux
detection:
selection_parent:
ParentImage|endswith: '/java'
ParentCommandLine|contains: 'confluence'
selection_child:
# Only children associated with known campaigns
Image|endswith:
- '/bash'
- '/curl'
- '/echo'
- '/wget'
filter_main_ulimit:
CommandLine|contains: 'ulimit -u'
condition: all of selection_* and not 1 of filter_main_*
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/Exploits/CVE-2023-22518/proc_creation_lnx_exploit_cve_2023_22518_confluence_java_child_proc.yml