alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Emogen Infection Checkin Initial Packet"; flow:established,to_server; dsize:<100; content:"|00 00 00 00 00 00|WindowsXP|00 00 00|"; flowbits:set,ET.emogen1; flowbits:noalert; classtype:trojan-activity; sid:2008269; rev:2;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Emogen Infection Checkin Initial Packet"; flow:established,to_server; dsize:<100; content:"|00 00 00 00 00 00|WindowsXP|00 00 00|"; flowbits:set,ET.emogen1; flowbits:noalert; classtype:trojan-activity; sid:2008269; rev:2;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Emogen Infection Checkin Initial Packet"; flow:established,to_server; dsize:<100; content:"|00 00 00 00 00 00|WindowsXP|00 00 00|"; flowbits:set,ET.emogen1; flowbits:noalert; classtype:trojan-activity; sid:2008269; rev:2;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Emogen Infection Checkin Initial Packet"; flow:established,to_server; dsize:<100; content:"|00 00 00 00 00 00|WindowsXP|00 00 00|"; flowbits:set,ET.emogen1; flowbits:noalert; classtype:trojan-activity; sid:2008269; rev:2;)

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

alert tcp $HOME_NET 1024: -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Emogen Infection Checkin Initial Packet"; flow:established,to_server; dsize:<100; content:"|00 00 00 00 00 00|WindowsXP|00 00 00|"; flowbits:set,ET.emogen1; flowbits:noalert; classtype:trojan-activity; sid:2008269; rev:1;)

Added 2008-05-29 17:33:00 UTC

See TrojanEmogen

-- MattJonkman - 29 May 2008