ET EXPLOIT Successful ownCloud Information Disclosure Attempt (CVE-2023-49103) M2

Query · suricata

flow:established,to_client;
flowbits:isset,ET.CVE-2023-49103.request;
http.stat_code;
content:"200";
http.response_body;
content:"OWNCLOUD_ADMIN_"; fast_pattern;

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 Successful ownCloud Information Disclosure Attempt (CVE-2023-49103) M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> any any (
    msg:"ET EXPLOIT Successful ownCloud Information Disclosure Attempt (CVE-2023-49103) M2";
    flow:established,to_client;
    flowbits:isset,ET.CVE-2023-49103.request;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"OWNCLOUD_ADMIN_"; fast_pattern;
    reference:url,www.labs.greynoise.io//grimoire/2023-11-29-owncloud-redux/;
    reference:url,owncloud.com/security-advisories/disclosure-of-sensitive-credentials-and-configuration-in-containerized-deployments/;
    reference:cve,2023-49103;
    reference:url,www.rapid7.com/blog/post/2023/12/01/etr-cve-2023-49103-critical-information-disclosure-in-owncloud-graph-api/;
    classtype:successful-recon-limited;
    sid:2049616; rev:3;
    metadata:attack_target Server, created_at 2023_12_07, cve CVE_2023_49103, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_06_23, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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