alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE SideCopy APT Related CnC Response"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"NoUploadFile"; bsize:12; fast_pattern; reference:url,twitter.com/malwareforme/status/1636005291849396224; classtype:trojan-activity; sid:2044626; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_15, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_15, reviewed_at 2024_01_26;)