alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Drun Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"kind="; startswith; fast_pattern; content:"&id="; distance:0; http.header_names; content:!"Referer|0d 0a|"; content:!"Accept"; content:!"User-Agent|0d 0a|"; content:"|0d 0a|Host|0d 0a|"; startswith; reference:url,twitter.com/securitydoggo/status/954337767751905280; classtype:command-and-control; sid:2025225; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target DNS_Server, created_at 2018_01_19, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_05_05;)