alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Office Macro Emotet Download URI Nov 24 2021"; flow:established,to_server; http.method; content:"GET"; http.user_agent; content:"Mozilla|2f|5|2e|0|20 28|Windows|20|NT|3b 20|Windows|20|NT|20|6|2e|1|3b 20|en-US|29 20|WindowsPowerShell|2f|5.1.14409.1005"; fast_pattern; bsize:80; http.header; content:!"Referer"; http.connection; content:"Keep-Alive"; http.uri; pcre:"/^\/wp-includes\/[A-Za-z0-9]{10}\/$/U"; reference:md5,67ec9f81dd3970e3e5f66121a3502b5d; classtype:trojan-activity; sid:2035064; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_24, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_09;)