Rule History

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;)