ET EXPLOIT Amcrest Camera and NVR Buffer Overflow Attempt (CVE-2020-5735)

Query · suricata

flow:established,to_server;
http.cookie;
content:"|62 00 00 00|"; startswith;
content:"Protocol|3a 20|"; distance:0; fast_pattern;
content:"|0d 0a|"; distance:200;
Raw source ET EXPLOIT Amcrest Camera and NVR Buffer Overflow Attempt (CVE-2020-5735) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> [$HOME_NET,$HTTP_SERVERS] 37777 (
    msg:"ET EXPLOIT Amcrest Camera and NVR Buffer Overflow Attempt (CVE-2020-5735)";
    flow:established,to_server;
    http.cookie;
    content:"|62 00 00 00|"; startswith;
    content:"Protocol|3a 20|"; distance:0; fast_pattern;
    content:"|0d 0a|"; distance:200;
    reference:url,www.exploit-db.com/exploits/48304;
    reference:cve,2016-4437;
    reference:cve,2020-5735;
    classtype:attempted-admin;
    sid:2034257; rev:2;
    metadata:attack_target Server, created_at 2021_10_27, cve CVE_2020_5735, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2021_10_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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