alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Fareit/Pony Downloader Checkin 2";
flow:established,to_server;
flowbits:set,ET.Fareit.chk;
http.method;
content:"POST"; nocase;
http.header;
content:"|0d 0a|Content-Encoding|3a 20|binary|0d 0a|"; fast_pattern;
content:"|0d 0a|Accept-Encoding|3a 20|identity,|20 2a 3b|q=0|0d 0a|";
http.user_agent;
content:"|20|MSIE|20|";
http.protocol;
content:"HTTP/1.0";
http.header_names;
content:!"Referer";
reference:md5,d50c39753ba88daa00bc40848f174168;
reference:md5,bf422f3aa215d896f55bbe2ebcd25d17;
reference:md5,9544c681ae5c4fe3fdbd4d5c6c90e38e;
reference:md5,99FAB94FD824737393F5184685E8EDF2;
classtype:command-and-control;
sid:2014411; rev:13;
metadata:created_at 2012_03_22, signature_severity Major, updated_at 2020_08_25;
)