alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lemon_Duck Powershell - RDP Credential Exfil"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/report.json?type=rdp&ip="; startswith; fast_pattern; content:"&pass="; distance:0; content:"&t="; distance:0; reference:url,news.sophos.com/en-us/2019/10/01/lemon_duck-powershell-malware-cryptojacks-enterprise-networks/; classtype:command-and-control; sid:2029014; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_11_20;)