#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:4;)

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

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:4;)

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

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:4;)

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

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:4;)

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

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:3;)

Added 2008-01-31 10:12:24 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"ET TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:3;)

Added 2008-01-31 10:12:24 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-09 17:42:41 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-09 17:42:41 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-09 15:15:19 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-09 15:15:19 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-08 20:25:20 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.emergingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:2;)

Added 2008-01-08 20:25:20 UTC

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.bleedingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:1;)

Added 2007-10-17 00:47:19 UTC

False Positive on Deep Freeze Enterprise

-- FalconStreet? - 30 Oct 2007

Unfortunately we're getting a number of falses, these are disabled pending some better way to do it.

Thankfully there's still not been (detected) another variant using encryption.

Matt

-- MattJonkman - 31 Oct 2007

#alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.bleedingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:1;)

Added 2007-10-17 00:47:19 UTC

alert tcp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"BLEEDING-EDGE TROJAN Storm Making initial outbound connection"; flowbits:isnotset,BE.stormtcp.init; flow:established,to_server; dsize:4; classtype:trojan-activity; flowbits:noalert; flowbits:set,BE.stormtcp.init; reference:url,doc.bleedingthreats.net/bin/view/Main/StormWorm; sid:2007640; rev:1;)

Added 2007-10-15 23:10:43 UTC

StormWorm related

-- MattJonkman - 15 Oct 2007