alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:2;)

Added 2008-03-20 09:10:25 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:2;)

Added 2008-03-20 09:10:25 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,to_server; dsize:<25; content:"|12 00 00 00|"; depth:4; classtype:trojan-activity; sid:2008010; rev:1;)

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

RE: 41c62970ea34413c4011b220724bf029

-- MattJonkman - 17 Mar 2008