Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE x64/Generic Red Team CnC Activity (POST)"; flow:established,to_server; urilen:11; http.method; content:"POST"; http.uri; content:"/help/reply"; fast_pattern; http.content_len; pcre:"/^2[0-9]{2}$/R"; reference:md5,62bbc3b087c803260c0c63595cf872ee; classtype:trojan-activity; sid:2052810; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_21, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)