ET EXPLOIT UDP Technology Firmware (IP Cam) - certmngr.cgi RCE via Command Injection Attempt Outbound (CVE-2021-33544)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/certmngr.cgi?action=createselfcert&"; fast_pattern;
content:"&state=|24|"; distance:0;
Raw source ET EXPLOIT UDP Technology Firmware (IP Cam) - certmngr.cgi RCE via Command Injection Attempt Outbound (CVE-2021-33544) · 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 UDP Technology Firmware (IP Cam) - certmngr.cgi RCE via Command Injection Attempt Outbound (CVE-2021-33544)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/certmngr.cgi?action=createselfcert&"; fast_pattern;
    content:"&state=|24|"; distance:0;
    reference:url,www.randorisec.fr/udp-technology-ip-camera-vulnerabilities/;
    reference:cve,2021-33544;
    classtype:attempted-admin;
    sid:2033294; rev:2;
    metadata:created_at 2021_07_09, cve CVE_2021_33544, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_09, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)

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