Versions (3)
Version DetailsCurrent
Rev: 11 • Jan 28, 2012, 12:00 PMET MALWARE Bifrose/Cycbot Checkin 2
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Bifrose/Cycbot Checkin 2"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/\x2E(p(hp|ng)|jpe?g|cgi|gif)\x3F(v\d{1,2}|pr)\x3D/"; http.user_agent; content:"chrome/9.0"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:command-and-control; sid:2014163; rev:11; metadata:created_at 2012_01_28, signature_severity Major, updated_at 2020_09_10;)
Jan 28, 2012, 12:00 PM
Sep 10, 2020, 12:00 PM
Jan 28, 2012, 12:00 PM
Sep 10, 2024, 1:01 PM
rules/emerging-malware.rules