alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan Downloader User-Agent (Tiny)"; flow:established,to_server; http.header; content:"User-Agent|3A 20|tiny|0D 0A|"; classtype:trojan-activity; sid:2013718; rev:4; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_10_01, deployment Perimeter, confidence High, signature_severity Major, tag Trojan_Downloader, updated_at 2024_04_08;)