alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED PowerShell/CustomRAT CnC Traffic"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/"; http.header_names; content:!"Referer"; content:"X-Request-ID"; fast_pattern; http.request_body; content:"type"; content:"newclient"; distance:0; content:"result"; content:"pwd"; content:"cuser"; content:"hostname"; content:"clientid"; reference:url,blog.malwarebytes.com/threat-intelligence/2022/05/custom-powershell-rat-targets-germans-seeking-information-about-the-ukraine-crisis/; classtype:trojan-activity; sid:2036624; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_05_18, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_12, reviewed_at 2024_09_12;)