Emerging Threatmediumtest

CVE-2023-22518 Exploitation Attempt - Vulnerable Endpoint Connection (Proxy)

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.

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Andreas Braathen (mnemonic.io)Created Tue Nov 1427d2cdde-9778-490e-91ec-9bd0be6e8cc62023
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
Proxy Log
CategoryProxy Log← raw: proxy
Detection Logic
Detection Logic3 selectors
detection:
    selection_method:
        cs-method: 'POST'
    selection_uris:
        cs-uri|contains:
          # Exploitable endpoints
            - '/json/setup-restore-local.action'
            - '/json/setup-restore-progress.action'
            - '/json/setup-restore.action'
            - '/server-info.action'
            - '/setup/setupadministrator.action'
    selection_status:
        # Response code may be indicative of exploitation success, but is not always the case
        sc-status:
            - 200
            - 302
            - 405
    condition: all of selection_*
False Positives

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MITRE ATT&CK

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cve.2023-22518detection.emerging-threats
Rule Metadata
Rule ID
27d2cdde-9778-490e-91ec-9bd0be6e8cc6
Status
test
Level
medium
Type
Emerging Threat
Created
Tue Nov 14
Path
rules-emerging-threats/2023/Exploits/CVE-2023-22518/proxy_exploit_cve_2023_22518_confluence_auth_bypass.yml
Raw Tags
attack.initial-accessattack.t1190cve.2023-22518detection.emerging-threats
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