alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (example/1.0)"; flow:to_server,established; http.user_agent; content:"example/1.0"; bsize:11; startswith; reference:url,cybereason.com/blog/strifewater-rat-iranian-apt-moses-staff-adds-new-trojan-to-ransomware-operations; classtype:bad-unknown; sid:2035032; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_01, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_01, reviewed_at 2024_06_26;)