alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Stealc Requesting plugins Config from C2";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"form-data|3b 20|name=|22|token|22|";
content:"form-data|3b 20|name=|22|message|22 0d 0a 0d 0a|plugins|0d 0a|"; fast_pattern; distance:0;
flowbits:set,ET.stealc.plugins;
reference:url,blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/;
classtype:command-and-control;
sid:2044246; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_20, deployment Perimeter, malware_family Stealc, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_20;
)