alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE DragonOK KHRAT Downloader Receiving Payload"; flow:established,from_server; file_data; content:".DAT,K1|22 0d 0a|fso"; reference:md5,404518f469a0ca85017136b6b5166ae3; classtype:trojan-activity; sid:2024418; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_20, deployment Perimeter, malware_family DragonOK, malware_family KHRAT, performance_impact Low, confidence High, signature_severity Major, tag Targeted, tag APT, tag CNAPT, updated_at 2019_07_26;)