alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Girostat Stealer (POST)";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.content_type;
content:"multipart/form-data|3b 20|boundary=---------------------------"; startswith;
http.request_body;
content:"name=|22|info|22 0d 0a|";
content:"name=|22|debug1|22 0d 0a|"; distance:0;
content:"name=|22|debug2|22 0d 0a|"; fast_pattern;
content:"filename=|22|"; distance:0;
http.header_names;
content:!"Referer";
content:!"Accept";
reference:md5,934058124782476cdbe7866c4ceed167;
classtype:trojan-activity;
sid:2032319; rev:1;
metadata:attack_target Client_Endpoint, created_at 2021_03_24, deployment Perimeter, malware_family Win32_Girostat, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_24;
)