alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Unk.CoinMiner Loader Checkin"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Win|3a|"; startswith; content:"|20 7c 20|CPU|3a 20|"; fast_pattern; content:"|20 7c 20|Cores|3a 20|"; content:"|20 7c 20|GPU|3a 20|"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; content:!"|0d 0a|Cache-"; content:!"|0d 0a|Accept"; content:!"|0d 0a|Connection|0d 0a|"; reference:md5,403913dda79d0b739a8046022d2e3b37; classtype:trojan-activity; sid:2032937; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_05_11, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Major, tag Coinminer, updated_at 2024_03_12, reviewed_at 2024_01_05, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)