#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; reference:url,doc.emergingthreats.net/2008178; classtype:trojan-activity; sid:2008178; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:39:42 UTC

Added 2018-09-13 17:53:46 UTC

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; reference:url,doc.emergingthreats.net/2008178; classtype:trojan-activity; sid:2008178; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:01:21 UTC

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; reference:url,doc.emergingthreats.net/2008178; classtype:trojan-activity; sid:2008178; rev:3;)

Added 2011-10-12 19:24:35 UTC

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008178; sid:2008178; rev:3;)

Added 2011-09-14 22:38:03 UTC

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008178; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008178; rev:3;)

Added 2011-02-04 17:27:16 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008178; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008178; rev:3;)

Added 2009-02-12 18:21:14 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008178; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008178; rev:3;)

Added 2009-02-12 18:21:14 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; sid:2008178; rev:2;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; sid:2008178; rev:2;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; sid:2008178; rev:2;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; sid:2008178; rev:2;)

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

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Ceckno Keepalive from Controller"; flow:established,from_server; dsize:1; content:"1"; flowbits:isset,ET.cekno.initial; classtype:trojan-activity; sid:2008178; rev:1;)

Added 2008-04-29 09:38:04 UTC