alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious UA Observed (IEhook)"; flow:established,to_server; http.user_agent; content:"IEhook"; startswith; endswith; fast_pattern; reference:md5,f0483493bcb352bd2f474b52f3b2f273; classtype:trojan-activity; sid:2026558; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag User_Agent, updated_at 2024_04_13;)