alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/MarioLoader CnC Activity (POST) M2"; flow:established,to_server; urilen:11; http.method; content:"POST"; http.uri; content:"/bot/report"; fast_pattern; http.header_names; to_lowercase; content:"|0d 0a|x-client-uuid|0d 0a|"; http.request_header; header_lowercase; content:"x-client-uuid|3a 20|"; startswith; pcre:"/^[a-z0-9]{8}\x2d[a-z0-9]{4}\x2d[a-z0-9]{4}\x2d[a-z0-9]{4}\x2d[a-z0-9]{12}$/R"; 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:2; 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_04_27;)