alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Fareit.A/Pony Downloader Checkin (2)"; flow:established,to_server; http.uri; content:"ch=1"; fast_pattern; pcre:"/ch=1$/"; http.request_body; content:"ch=1"; startswith; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=PWS%3aWin32%2fFareit.A; reference:md5,99fab94fd824737393f5184685e8edf2; reference:md5,bf422f3aa215d896f55bbe2ebcd25d17; reference:md5,d50c39753ba88daa00bc40848f174168; reference:md5,9544c681ae5c4fe3fdbd4d5c6c90e38e; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=PWS%3aWin32%2fFareit; classtype:command-and-control; sid:2015799; rev:10; metadata:created_at 2012_10_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_13;)