Versions (5)
Version DetailsCurrent
Rev: 2 • Dec 21, 2017, 12:00 PMET MALWARE Windows executable sent when remote host claims to send an image M4
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Windows executable sent when remote host claims to send an image M4"; flow:established,from_server; http_content_type; content:"image/jpeg"; depth:10; isdataat:!1,relative; file_data; content:"This program must be run under Win"; within:125; fast_pattern; classtype:trojan-activity; sid:2025161; rev:2; metadata:created_at 2017_12_21, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Dec 21, 2017, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 29, 2025, 9:34 PM
rules/emerging-malware.rules