alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/MarioLoader CnC Activity (POST) M1"; flow:established,to_server; urilen:9; http.method; content:"POST"; http.uri; content:"/bot/data"; 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:2051119; 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 c2, updated_at 2024_02_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)