#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET DELETED Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; reference:url,doc.emergingthreats.net/2007635; classtype:trojan-activity; sid:2007635; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
Added 2018-09-13 19:39:18 UTC
Added 2018-09-13 17:53:33 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET DELETED Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; reference:url,doc.emergingthreats.net/2007635; classtype:trojan-activity; sid:2007635; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
Added 2017-08-07 21:00:54 UTC
##alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET DELETED Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; reference:url,doc.emergingthreats.net/2007635; classtype:trojan-activity; sid:2007635; rev:4;)
Added 2014-09-02 19:50:42 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; reference:url,doc.emergingthreats.net/2007635; classtype:trojan-activity; sid:2007635; rev:3;)
Added 2011-10-12 19:23:29 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; sid:2007635; rev:3;)
Added 2011-09-14 22:37:03 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2011-02-04 17:26:45 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:47:25 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:47:25 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:46:38 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:46:38 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:45:23 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2007635; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Storm; sid:2007635; rev:3;)
Added 2009-02-13 19:45:23 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; sid:2007635; rev:2;)
Added 2008-02-25 10:04:01 UTC
#alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; sid:2007635; rev:2;)
Added 2008-02-25 10:04:01 UTC
alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; sid:2007635; rev:2;)
Added 2008-01-31 10:12:24 UTC
Disabled by default, these tend to FP on Skype and some online games (Call of Duty, etc).
If you do not run these types of apps this sig is relatively reliable. However 2007701 and 2007702 are more reliable in any environment.
--
MattJonkman - 25 Feb 2008
alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; sid:2007635; rev:2;)
Added 2008-01-31 10:12:24 UTC
alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Worm Encrypted Traffic Inbound - Likely Connect Ack"; dsize:2; threshold: type threshold, count 10, seconds 60, track by_dst; classtype:trojan-activity; sid:2007635; rev:1;)
Added 2007-10-15 11:55:08 UTC
StormWorm related
--
MattJonkman - 15 Oct 2007