Versions (6)
Version DetailsCurrent
Rev: 13 • May 16, 2013, 12:00 PMET MALWARE Generic - POST To .php w/Extended ASCII Characters (Likely Zeus Derivative)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Generic - POST To .php w/Extended ASCII Characters (Likely Zeus Derivative)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.user_agent; content:"|20|MSIE|20|"; http.request_body; pcre:"/^.{0,3}[\x80-\xff]{1,3}[\x00-\x7f]{1,3}[\x80-\xff]{1,3}[\x80-\xff]{1,3}/"; http.header_names; content:!"Referer"; content:!"Content-Type"; classtype:trojan-activity; sid:2016858; rev:13; metadata:created_at 2013_05_16, deprecation_reason Performance, performance_impact Significant, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_24;)
May 16, 2013, 12:00 PM
Nov 24, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Dec 22, 2025, 10:34 PM
rules/emerging-malware.rules