ET EXPLOIT ManageEngine AdSelfService Plus - Authentication Bypass Attempt (CVE-2021-40539)

Query · suricata

flow:established,to_server;
http.uri;
content:"/./RestAPI/"; startswith; fast_pattern;
target:dest_ip;
Raw source ET EXPLOIT ManageEngine AdSelfService Plus - Authentication Bypass Attempt (CVE-2021-40539) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT ManageEngine AdSelfService Plus - Authentication Bypass Attempt (CVE-2021-40539)";
    flow:established,to_server;
    http.uri;
    content:"/./RestAPI/"; startswith; fast_pattern;
    reference:url,www.synacktiv.com/publications/how-to-exploit-cve-2021-40539-on-manageengine-adselfservice-plus.html;
    reference:cve,2021-40539;
    classtype:attempted-admin;
    sid:2034362; rev:1;
    metadata:created_at 2021_11_09, cve CVE_2021_40539, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_09, 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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