alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Pottieq.A Check-in";
flow:established,to_server;
http.method;
content:"POST";
http.header;
content:"User-Agent|3a 20 7b|"; fast_pattern;
http.user_agent; bsize:36;
pcre:"/^\{[0-9a-z]{8}-[0-9a-z]+\-[0-9a-z]+\-[0-9a-z]+\-[0-9a-z]+\}$/i";
http.request_body;
content:"pc=";
content:"mail=";
content:"guid="; nocase;
pcre:"/(?:^|&)id=\d+(?:$|&)/";
http.header_names;
content:!"|0d 0a|Accept";
content:!"Cookie|0d 0a|";
content:!"|0d 0a|Referer|0d 0a|";
reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Ransom%3aWin32/Pottieq.A;
reference:md5,909bce4dea2ca76cab87ce186d9cdfdc;
classtype:trojan-activity;
sid:2022988; rev:6;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_07_27, deployment Perimeter, malware_family Pottieq, performance_impact Low, signature_severity Major, tag Pottieq, updated_at 2024_03_11;
)