alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE APT28 Russia Macro Loader HTTP POST"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"|22|compname|22 3A 22|"; fast_pattern; content:"|22|username|22 3A 22|"; content:"|22|region|22 3A 22|"; content:"|22|resolution|22 3A 22|"; content:"|22|language|22 3A 22|"; content:"|22|system|22 3A 22|"; reference:url,go.recordedfuture.com/hubfs/reports/cta-2025-0522.pdf; reference:md5,919d1c4abd151525ec71d431f781306c; classtype:trojan-activity; sid:2062540; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2025_05_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag APT28, updated_at 2025_05_22, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1018, mitre_technique_name Remote_System_Discovery; target:src_ip;)