alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Sniffthem/Tnaket User-Agent Observed M1"; flow:established,to_server; http.user_agent; bsize:11; content:"Mozilla 5/0"; reference:md5,bace58b7211332b033975559fc7859b8; classtype:trojan-activity; sid:2054069; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_26, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, updated_at 2024_06_26; target:src_ip;)