alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TinyTurlaNG Turla APT Initial Client Beacon"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"---|0d 0a|"; startswith; content:"form-data|3b|name=|22|id|22 0d 0a|"; content:"form-data|3B|name=|22|result|22 0d 0a|"; content:"|0d 0a|Client Ready|0d 0a|-----|0d 0a|"; distance:0; fast_pattern; reference:url,blog.talosintelligence.com/tinyturla-next-generation/; classtype:trojan-activity; sid:2050902; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_02_16, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2024_02_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)