alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/ASPC Bot CnC? Checkin M2"; flow:established,to_server; content:"POST"; http_method; content:".php?key="; http_uri; fast_pattern; content:"&string="; http_uri; distance:0; content:"User-Agent|3a 20|Mozilla/"; http_header; content:!"Referer|3a|"; http_header; content:"key="; http_client_body; depth:4; content:"&string="; http_client_body; distance:0; pcre:"/\.php\?key=[^\r\n]+&string=[^\r\n]+?(?:\x3a\x3a[^\x3a]+?){5,}$/Ui"; reference:md5,15167239effdfb68bb10467eeea2f24d; classtype:trojan-activity; sid:2024321; rev:2;)

Added 2017-05-18 17:00:08 UTC


Topic revision: r1 - 2017-05-18 - TWikiGuest
 
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