alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/MarioLoader CnC Activity (POST) M2";
flow:established,to_server;
urilen:11;
http.method;
content:"POST";
http.uri;
content:"/bot/report"; fast_pattern;
http.header_names;
content:"|0d 0a|X-Client-Uuid|0d 0a|";
http.header;
content:"X-Client-Uuid|3a 20|";
pcre:"/^(?:(?:[a-z0-9]{8}\x2d)(?:[a-z0-9]{4}\x2d))(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{12})[\r\n]/R";
http.user_agent;
content:"Mozilla|2f|4|2e|0|20 28|compatible|3b 20|MSIE|20|7|2e|0|3b 20|Windows|20|NT|20|"; startswith;
reference:md5,a0a3ab98d2cf869aec830a98d4be2dfa;
classtype:trojan-activity;
sid:2051121; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_02_27, deployment Perimeter, malware_family Win32_MarioLoader, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_27;
)