alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED W32/Alina.POS-Trojan CnC Beacon"; flow:established,to_server; content:"POST"; http_method; urilen:20; content:"/insidee/loading.php"; fast_pattern:only; http_uri; content:"User-Agent|3A| Mozilla/4.0 (compatible|3B| MSIE 7.0|3B| Windows NT 5.1|3B| InfoPath.1 Spark v1.1|0D 0A|"; http_header; reference:url,pages.arbornetworks.com/rs/arbor/images/Uncovering_PoS_Malware.pdf; classtype:command-and-control; sid:2018473; rev:2; metadata:attack_target Client_Endpoint, created_at 2014_05_14, deployment Perimeter, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)