alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Bifrose/Cycbot Checkin 2"; flow:established,to_server; content:"GET "; depth:4; content:"chrome/9.0"; http_user_agent; pcre:"/\x2E(p(hp|ng)|jpe?g|cgi|gif)\x3F(v\d{1,2}|pr)\x3D/U"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:trojan-activity; sid:2014163; rev:9; metadata:created_at 2012_01_27, updated_at 2012_01_27;)

Added 2017-08-07 21:07:30 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Bifrose/Cycbot Checkin 2"; flow:established,to_server; content:"GET"; http_method; content:"User-Agent|3a| chrome/9.0"; http_header; pcre:"/\x2E(?:p(?:hp|ng)|jpe?g|cgi|gif)\x3F(?:v\d{1,2}|pr)\x3D/U"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:trojan-activity; sid:2014163; rev:5;)

Added 2014-04-21 19:36:52 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Bifrose/Cycbot Checkin 2"; flow:established,to_server; content:"GET"; http_method; content:"User-Agent|3a| chrome/9.0"; http_header; pcre:"/\x2E(?:p(?:hp|ng)|jpe?g|cgi|gif)\x3F(?:v/d{1,2}|pr)\x3D/U"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:trojan-activity; sid:2014163; rev:4;)

Added 2014-01-15 15:32:29 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Bifrose/Cycbot Checkin 2"; flow:established,to_server; content:"?pr="; http_uri; fast_pattern; content:"User-Agent|3A 20|chrome/9.0"; http_header; pcre:"/\x2E(png|gif|jpeg)\x3Fpr\x3D/U"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:trojan-activity; sid:2014163; rev:3;)

Added 2012-08-15 18:25:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN ET TROJAN Bifrose/Cycbot Checkin 2"; flow:established,to_server; content:"?pr="; http_uri; fast_pattern; content:"User-Agent|3A 20|chrome/9.0"; http_header; pcre:"/\x2E(png|gif|jpeg)\x3Fpr\x3D/U"; reference:md5,8c4f90bb59c05269c6c6990ec434eab6; classtype:trojan-activity; sid:2014163; rev:2;)

Added 2012-01-27 18:13:17 UTC


Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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