Versions (4)
Version DetailsCurrent
Rev: 9 • Feb 21, 2011, 12:00 PMET MALWARE Possible TDSS User-Agent CMD
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible TDSS User-Agent CMD"; flow:established,to_server; http.user_agent; content:"|20|(compatible|3b 20|MSIE 1.0|3b 20|Windows NT|3b 20|"; fast_pattern; reference:url,www.kernelmode.info/forum/viewtopic.php?f=16&t=19; reference:url,www.securelist.com/en/analysis/204792180/TDL4_Top_Bot; classtype:trojan-activity; sid:2012322; rev:9; metadata:created_at 2011_02_21, confidence Medium, signature_severity Major, updated_at 2020_08_13;)
Feb 21, 2011, 12:00 PM
Aug 13, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules