alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<15; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:3;)

Added 2008-03-22 17:11:34 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<15; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:3;)

Added 2008-03-22 17:10:58 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<15; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:3;)

Added 2008-03-22 17:09:49 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<15; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:1;)

Added 2008-03-17 14:18:24 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<15; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:1;)

Added 2008-03-17 14:18:24 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Packet 1 reply"; flowbits:isset,ET.unk.1; flow:established,from_server; dsize:<10; content:"|05 00 00 00|"; depth:4; flowbits:set,ET.unk.2; classtype:trojan-activity; sid:2008007; rev:1;)

Added 2008-03-17 13:39:49 UTC

RE: 41c62970ea34413c4011b220724bf029

-- MattJonkman - 17 Mar 2008