alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/H0lyGh0st CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.header; content:"boundary=---------------------------3819074751749789153841466081|0d 0a|"; fast_pattern; content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|uploadFile|22 3b|filename|3d|"; http.header_names; content:!"Referer"; reference:url,microsoft.com/security/blog/2022/07/14/north-korean-threat-actor-targets-small-and-midsize-businesses-with-h0lygh0st-ransomware/; classtype:trojan-activity; sid:2037774; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_15, deployment Perimeter, deprecation_reason Age, malware_family Win32_H0lyGh0st, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_02, reviewed_at 2024_12_02;)