alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; reference:url,doc.emergingthreats.net/2008274; classtype:trojan-activity; sid:2008274; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:39:46 UTC

Added 2018-09-13 17:53:49 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; reference:url,doc.emergingthreats.net/2008274; classtype:trojan-activity; sid:2008274; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:01:26 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; reference:url,doc.emergingthreats.net/2008274; classtype:trojan-activity; sid:2008274; rev:4;)

Added 2011-10-12 19:24:48 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008274; sid:2008274; rev:4;)

Added 2011-09-14 22:38:15 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008274; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Bifrose; sid:2008274; rev:4;)

Added 2011-06-02 16:40:51 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008274; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Bifrose; sid:2008274; rev:3;)

Added 2011-02-04 17:27:23 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008274; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Bifrose; sid:2008274; rev:3;)

Added 2009-02-12 18:21:14 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008274; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Bifrose; sid:2008274; rev:3;)

Added 2009-02-12 18:21:14 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; sid:2008274; rev:2;)

Added 2008-06-24 23:26:43 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; sid:2008274; rev:2;)

Added 2008-06-24 23:26:43 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; sid:2008274; rev:2;)

Added 2008-06-24 23:24:11 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET any (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; sid:2008274; rev:2;)

Added 2008-06-24 23:24:11 UTC

alert tcp $EXTERNAL_NET 81 -> $HOME_NET 1024: (msg:"ET TROJAN Bifrose Response from Controller"; flow:established,from_server; dsize:9; content:"|05 00 00 00 BC|"; depth:5; content:"|CC|"; distance:3; within:4; classtype:trojan-activity; sid:2008274; rev:1;)

Added 2008-05-29 18:17:17 UTC