Versions (5)
Version DetailsCurrent
Rev: 13 • Jul 30, 2010, 12:00 PMET MALWARE Possible Windows executable sent when remote host claims to send HTML/CSS Content
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Windows executable sent when remote host claims to send HTML/CSS Content"; flow:established,to_client; content:"|0d 0a 0d 0a|MZ"; byte_jump:4,58,relative,little; content:"PE|00 00|"; fast_pattern; distance:-64; within:4; http.content_type; content:"text/css"; depth:8; endswith; nocase; classtype:trojan-activity; sid:2009909; rev:13; metadata:created_at 2010_07_30, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_10;)
Jul 30, 2010, 12:00 PM
Apr 10, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Dec 22, 2025, 10:34 PM
rules/emerging-malware.rules