alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE GreetingGhoul Stealer CnC Exfil (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/privet"; startswith; http.content_len; content:"8"; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|referer|0d 0a|"; nocase; reference:url,securelist.com/doublefinger-loader-delivering-greetingghoul-cryptocurrency-stealer/109982/; reference:url,kaspersky.com/blog/doublefinger-crypto-stealer/48418/; classtype:credential-theft; sid:2046291; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_15, deployment Perimeter, malware_family GreetingGhoul, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_27;)