Versions (2)
Version DetailsCurrent
Rev: 5 • Jan 12, 2012, 12:00 PMET MALWARE Suspicious User-Agent build - possibly Delf/Troxen/Zema
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious User-Agent build - possibly Delf/Troxen/Zema"; flow:established,to_server; http.user_agent; content:"build"; depth:5; pcre:"/^build\d/"; reference:md5,3d18363a20882bd74ae7e0f68d3ed8ef; classtype:trojan-activity; sid:2014116; rev:5; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2012_01_12, deployment Perimeter, confidence High, signature_severity Major, tag User_Agent, updated_at 2020_10_15;)
Jan 12, 2012, 12:00 PM
Oct 15, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules