alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32.Pony Variant FOX Checkin";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"os_version="; depth:11; fast_pattern;
content:"os_version_full="; distance:0;
content:"processorId="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
reference:md5,190c607ef81fa0c27fb1313df5f05266;
reference:url,malware.dontneedcoffee.com/2016/09/fox-stealer-another-pony-fork.html;
classtype:command-and-control;
sid:2023292; rev:4;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_10, deployment Perimeter, malware_family Pony, performance_impact Low, signature_severity Major, updated_at 2020_07_27;
)