#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Kovter Client CnC? Traffic"; flow:established,to_server; dsize:4<>256; content:!"HTTP"; content:"|00 00 00|"; offset:1; depth:3; pcre:"/^[\x11\x21-\x26\x41\x45\x70-\x79]/R"; content:!"|00 00|"; distance:0; byte_jump:1,0,from_beginning,post_offset 3; isdataat:!2,relative; pcre:!"/\x00$/"; reference:url,symantec.com/connect/blogs/kovter-malware-learns-poweliks-persistent-fileless-registry-update; classtype:trojan-activity; sid:2022861; rev:1; metadata:created_at 2016_06_06, updated_at 2016_06_06;)

Added 2017-08-07 21:17:52 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Kovter Client CnC? Traffic"; flow:established,to_server; dsize:4<>256; content:!"HTTP"; content:"|00 00 00|"; offset:1; depth:3; pcre:"/^[\x11\x21-\x26\x41\x45\x70-\x79]/R"; content:!"|00 00|"; distance:0; byte_jump:1,0,from_beginning,post_offset 3; isdataat:!2,relative; pcre:!"/\x00$/"; reference:url,symantec.com/connect/blogs/kovter-malware-learns-poweliks-persistent-fileless-registry-update; classtype:trojan-activity; sid:2022861; rev:1;)

Added 2016-06-06 17:32:38 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Kovter Client CnC? Traffic"; flow:established,to_server; dsize:4<>256; content:!"HTTP"; content:"|00 00 00|"; offset:1; depth:3; pcre:"/^[\x11\x21-\x26\x41\x45\x70-\x79]/R"; content:!"|00 00|"; distance:0; byte_jump:1,0,from_beginning,post_offset 3; isdataat:!2,relative; pcre:!"/\x00$/"; reference:url,symantec.com/connect/blogs/kovter-malware-learns-poweliks-persistent-fileless-registry-update; classtype:trojan-activity; sid:2022861; rev:1;)

Added 2016-06-06 17:24:17 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Kovter Client CnC? Traffic"; flow:established,to_server; dsize:4<>256; content:!"HTTP"; content:"|00 00 00|"; offset:1; depth:3; pcre:"/^[\x11\x21-\x26\x41\x45\x70-\x79]/R"; content:!"|00 00|"; distance:0; byte_jump:1,0,from_beginning,post_offset 3; isdataat:!2,relative; pcre:!"/\x00$/"; reference:url,symantec.com/connect/blogs/kovter-malware-learns-poweliks-persistent-fileless-registry-update; classtype:trojan-activity; sid:2022861; rev:1;)

Added 2016-06-06 17:05:27 UTC


Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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