alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE KeyLogger related to FindPOS CnC Beacon"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.header_names; content:!"Referer|0d 0a|"; http.request_body; content:"uid="; depth:4; content:"&win="; distance:0; content:"&vers="; distance:0; reference:md5,593af622a90f2038e35ee980e09c1c3c; reference:url,researchcenter.paloaltonetworks.com/2015/03/findpos-new-pos-malware-family-discovered/; reference:url,blogs.cisco.com/security/talos/poseidon; classtype:command-and-control; sid:2020724; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_03_21, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_19, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)