alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Ducktail CnC Activity - UAC Bypass Confirmation (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/^\x2f[a-z0-9]{96}$/"; urilen:97; http.user_agent; content:"WindowsPowerShell/"; http.content_type; bsize:16; content:"application/json"; http.request_body; content:"|5b|"; startswith; content:"|22 5c 22|ko|20|can|20|bypass|20|uac|5c 22 22 2c|"; fast_pattern; content:"|22 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 22 0d 0a 5d|"; endswith; reference:md5,19df486249801c08f0efde6a16e135ee; reference:url,x.com/suyog41/status/1875174914128310378; classtype:command-and-control; sid:2058955; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_01_03, deployment Perimeter, confidence High, signature_severity Major, tag c2, tag Ducktail, updated_at 2025_01_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)