alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE XLS.Unk DDE rar Drop Attempt (.club)"; flow:established,to_server; urilen:1; flowbits:set,ET.xls.dde.drop; flowbits:noalert; http.method; content:"GET"; http.host; content:".club"; fast_pattern; endswith; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; reference:md5,63b070b222d170ef4cc35ad94d42a088; classtype:trojan-activity; sid:2026490; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_16, deployment Perimeter, malware_family MalDocGeneric, malware_family Maldoc, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_08;)