Versions (9)
Version DetailsCurrent
Rev: 1 • Jul 28, 2022, 12:00 PMET MALWARE MSIL/Filecoder.EK CnC Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Filecoder.EK CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/secure.php?hero="; startswith; fast_pattern; content:"&movie="; distance:0; http.header; content:"100-continue"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; reference:md5,7e47426d5ae73cc0d3ca3ca6008b2131; classtype:command-and-control; sid:2037846; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_28, deployment Perimeter, malware_family MSIL_Filecoder_EK, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_28, reviewed_at 2025_01_06;)
Jul 28, 2022, 12:00 PM
Jul 28, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 1, 2025, 8:35 PM
rules/emerging-malware.rules