alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/DanijBot User-Agent"; flow:established,to_server; http.user_agent; content:"Botnet by Danij"; fast_pattern; startswith; endswith; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,41aa955d06abf7df96e746cf1cb781b4; classtype:trojan-activity; sid:2025469; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_06, deployment Perimeter, deprecation_reason Age, malware_family DanijBot, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_05_01, reviewed_at 2023_12_15;)