ET EXPLOIT AjaxPro RCE Attempt (CVE-2021-23758)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/ajaxpro/"; fast_pattern;
http.request_body;
content:"|5f 5f|type";
content:"Object"; nocase;
Raw source ET EXPLOIT AjaxPro RCE Attempt (CVE-2021-23758) · 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 AjaxPro RCE Attempt (CVE-2021-23758)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/ajaxpro/"; fast_pattern;
    http.request_body;
    content:"|5f 5f|type";
    content:"Object"; nocase;
    reference:url,twitter.com/sirifu4k1/status/1470647490;
    reference:cve,2021-23758;
    classtype:attempted-admin;
    sid:2034729; rev:2;
    metadata:attack_target Server, created_at 2021_12_14, cve CVE_2021_23758, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2021_12_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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