Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PunkeyPOS HTTP CnC Beacon 9"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"action="; depth:7; content:"&uid="; distance:0; content:"key="; distance:0; fast_pattern; pcre:"/&(?:un)?key=[A-Z]+$/"; http.header_names; content:!"Accept-"; content:!"Referer|0d 0a|"; reference:url,trustwave.com/Resources/SpiderLabs-Blog/New-POS-Malware-Emerges---Punkey/; reference:md5,aa87ab0c51887b86b48c009931dcc410; classtype:command-and-control; sid:2021168; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_05_29, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_22, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)