alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Reverse Base64 Encoded MZ Header Payload Inbound"; flow:established,to_client; content:"AAAAEAAAAMAAQqVT"; endswith; reference:md5,ed54f068782aaff84dce2776a3ffbd73; classtype:trojan-activity; sid:2057635; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_11_15, deployment Perimeter, deployment SSLDecrypt, malware_family ReverseLoader, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_18;)