alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DarkHotel Payload Uploading to CnC"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"|29 20|A"; endswith; http.request_body; content:"filename=|22|"; content:"|3a 5c|Windows|5c|"; distance:1; within:10; pcre:"/^[A-F0-9]{8}_[A-F0-9]{8}\.sql/Ri"; content:"|00|.|00|i|00|n|00|k|00|"; distance:0; fast_pattern; http.request_line; content:".php|20|HTTP/1.0"; reference:url,blogs.jpcert.or.jp/ja/2019/05/darkhotel_lnk.html; classtype:targeted-activity; sid:2027398; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_30, deployment Perimeter, malware_family DarkHotel, performance_impact Low, confidence High, signature_severity Major, tag APT, tag DarkHotel, updated_at 2024_04_04;)