Versions (4)
Version DetailsCurrent
Rev: 4 • May 23, 2011, 12:00 PMET MALWARE Trojan-Downloader.Win32.Small Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan-Downloader.Win32.Small Checkin"; flow:to_server,established; content:"GET"; http_method; nocase; content:"|2e|ashx|3f|m|3d|"; http_uri; content:"|2d|"; distance:2; within:1; http_uri; content:"|26|mid|3d|"; http_uri; distance:0; content:"|26|tid|3d|"; http_uri; distance:0; content:"|26|d|3d|"; http_uri; distance:0; content:"|26|uid|3d|"; http_uri; distance:0; content:"|26|t|3d|"; http_uri; distance:0; reference:md5,48432bdd116dccb684c8cef84579b963; classtype:command-and-control; sid:2012839; rev:4; metadata:created_at 2011_05_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
May 23, 2011, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 2, 2025, 10:34 PM
rules/emerging-malware.rules