#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d/i"; flowbits:set,ET.cekno.initial; reference:url,doc.emergingthreats.net/2008177; classtype:trojan-activity; sid:2008177; rev:5;)

Added 2012-06-22 00:48:42 UTC

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; reference:url,doc.emergingthreats.net/2008177; classtype:trojan-activity; sid:2008177; rev:4;)

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

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008177; sid:2008177; rev:4;)

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

#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008177; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008177; rev:4;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008177; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008177; rev:4;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008177; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Cekno; sid:2008177; rev:4;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:3;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:3;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:3;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:3;)

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

alert tcp $HOME_NET 1024: -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; content:"|7c|"; distance:0; pcre:"/^\d+\x3a\d\x7c\d+\x7c[0-9a-z]+\x7c\d+/i"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:2;)

Added 2008-04-29 10:03:37 UTC

re 186cd4f51569d5a2f1edc21efa9d5134

0000   31 33 36 33 39 3a 32 7c 32 35 36 7c 74 69 61 6e  13639:2|256|tian
0010   6b 6f 6e 67 32 7c 34 36 35 31 36 38              kong2|465168

-- MattJonkman - 29 Apr 2008

alert tcp $HOME_NET 1024: -> $EXTERNAL_NET 1024: (msg:"ET TROJAN Ceckno Reporting to Controller"; flow:established,to_server; dsize:<30; content:"\:2|7c|"; depth:10; content:"|7c|"; distance:0; pcre:"/^\d+\:2\x7c\d+\x7c(\w\s)+\x7x\d+$/"; flowbits:set,ET.cekno.initial; classtype:trojan-activity; sid:2008177; rev:1;)

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