alert tcp $EXTERNAL_NET 8080 -> $HOME_NET any (msg:"ET TROJAN Saturn Proxy Checkin Response"; flow:established,from_server; flowbits:isset,ET.saturn.checkin; content:"HTTP/1.0 200 OK|0d 0a|Encryption\: on|0d 0a|"; offset:0; depth:33; classtype:trojan-activity; sid:2007752; rev:2;)

Added 2008-01-31 10:12:23 UTC

alert tcp $EXTERNAL_NET 8080 -> $HOME_NET any (msg:"ET TROJAN Saturn Proxy Checkin Response"; flow:established,from_server; flowbits:isset,ET.saturn.checkin; content:"HTTP/1.0 200 OK|0d 0a|Encryption\: on|0d 0a|"; offset:0; depth:33; classtype:trojan-activity; sid:2007752; rev:2;)

Added 2008-01-31 10:12:23 UTC

alert tcp $EXTERNAL_NET 8080 -> $HOME_NET any (msg:"BLEEDING-EDGE TROJAN Saturn Proxy Checkin Response"; flow:established,from_server; flowbits:isset,ET.saturn.checkin; content:"HTTP/1.0 200 OK|0d 0a|Encryption\: on|0d 0a|"; offset:0; depth:33; classtype:trojan-activity; sid:2007752; rev:1;)

Added 2008-01-10 20:12:09 UTC

alert tcp $EXTERNAL_NET 8080 -> $HOME_NET any (msg:"BLEEDING-EDGE TROJAN Saturn Proxy Checkin Response"; flow:established,from_server; flowbits:isset,ET.saturn.checkin; content:"HTTP/1.0 200 OK|0d 0a|Encryption\: on|0d 0a|"; offset:0; depth:33; classtype:trojan-activity; sid:2007752; rev:1;)

Added 2008-01-10 18:15:19 UTC

http://www.emergingthreats.net/index.php?option=com_content&task=view&id=29&Itemid=1

-- MattJonkman - 11 Jan 2008