alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TransferLoader User-Agent Observed (Microsoft Edge/1.0)"; flow:established,to_server; http.user_agent; content:"Microsoft Edge/1.0"; fast_pattern; reference:url,www.zscaler.com/blogs/security-research/technical-analysis-transferloader; classtype:trojan-activity; sid:2063154; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2025_06_23, deployment Perimeter, malware_family TransferLoader, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2025_06_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel; target:src_ip;)