alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Rodecap/Travle/PYLOT CnC Checkin M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.header; header_lowercase; content:"user-agent|3a 20|Mozilla|2f|5|2e|0|0d 0a|"; fast_pattern; http.request_body; content:"l"; startswith; content:"=OTl"; within:8; content:"&e"; distance:0; content:"="; within:6; content:"&m"; distance:0; content:"="; within:6; http.header_names; to_lowercase; content:!"|0d 0a|accept-"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,ba6dcea82f59799d86111fa28ae95641; reference:url,securelist.com/travle-aka-pylot-backdoor-hits-russian-speaking-targets/83455; classtype:command-and-control; sid:2025234; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_01_22, deployment Perimeter, malware_family travle, malware_family PYLOT, malware_family Rodecap, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_05_04;)