ET EXPLOIT GoCD Authentication Bypass Successful Leak

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"agentAutoRegisterKey="; nocase; fast_pattern;
content:"webhookSecret="; nocase;
content:" tokenGenerationKey="; nocase;
flowbits:isset,ET.gocd.auth;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET EXPLOIT GoCD Authentication Bypass Successful Leak · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (
    msg:"ET EXPLOIT GoCD Authentication Bypass Successful Leak";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"agentAutoRegisterKey="; nocase; fast_pattern;
    content:"webhookSecret="; nocase;
    content:" tokenGenerationKey="; nocase;
    flowbits:isset,ET.gocd.auth;
    reference:url,blog.sonarsource.com/gocd-pre-auth-pipeline-takeover;
    reference:url,attackerkb.com/topics/ShpnUFlqDz/pre-auth-takeover-of-build-pipelines-in-gocd-cve-2021-43287/rapid7-analysis;
    classtype:attempted-admin;
    sid:2034333; rev:1;
    metadata:created_at 2021_11_02, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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