alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Shafttt MySQL Bruteforce Bot CnC Beacon"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"get="; fast_pattern; depth:4; pcre:"/^get=\d+(?:$|&)/"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:52; http.header_names; content:!"Referer|0d 0a|"; reference:md5,cb4ab17468984f1b292adac9f745cb2b; classtype:command-and-control; sid:2023815; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_01_31, deployment Perimeter, malware_family Shafttt, confidence High, signature_severity Major, tag c2, updated_at 2020_08_04, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)