alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible Kelihos Infection Executable Download With Malformed Header"; flow:established,from_server; content:"Last-Modified|3a|"; http_header; pcre:"/^Last-Modified\x3a(?:\s[^\r\n]{2}|[^\r\n\s]{3}),/Dm"; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; fast_pattern; distance:-64; within:4; classtype:trojan-activity; sid:2018241; rev:2; metadata:created_at 2014_03_08, updated_at 2014_03_08;)

Added 2018-09-13 19:48:33 UTC


Added 2018-09-13 17:58:31 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible Kelihos Infection Executable Download With Malformed Header"; flow:established,from_server; content:"Last-Modified|3a|"; http_header; pcre:"/^Last-Modified\x3a(?:\s[^\r\n]{2}|[^\r\n\s]{3}),/Dm"; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; fast_pattern; distance:-64; within:4; classtype:trojan-activity; sid:2018241; rev:2; metadata:created_at 2014_03_08, updated_at 2014_03_08;)

Added 2017-08-07 21:12:18 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET TROJAN Possible Kelihos Infection Executable Download With Malformed Header"; flow:established,from_server; content:"Last-Modified|3a|"; http_header; pcre:"/^Last-Modified\x3a(?:\s[^\r\n]{2}|[^\r\n\s]{3}),/Dm"; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; fast_pattern; distance:-64; within:4; classtype:trojan-activity; sid:2018241; rev:1;)

Added 2014-03-08 20:18:26 UTC


Topic revision: r1 - 2018-09-13 - TWikiGuest
 
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