alert http $HOME_NET any -> $EXTERNAL_NET [7080,8080,443,80,4143,995,21,50000,20,8090,8443,990,22] (
msg:"ET MALWARE Win32/Emotet CnC Activity (POST) M10";
flow:established,to_server;
content:"POST";
http.uri;
content:!".";
content:!"&";
content:!"-";
http.user_agent;
content:"Mozilla/5.0 (Windows NT 6."; startswith;
content:"|3b 20|"; distance:1; within:2;
http.request_body;
content:!".zip";
content:!".png";
content:!".jp";
content:!".exe";
content:"--|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; fast_pattern;
http.content_len;
byte_test:0,<,8000,0,string,dec;
byte_test:0,>,500,0,string,dec;
http.header_names;
content:"|0d 0a|User-Agent|0d 0a|Accept|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|"; startswith;
content:"Referer|0d 0a|"; distance:0;
reference:md5,ba2e4a231652f8a492feb937b1e96e71;
classtype:trojan-activity;
sid:2030868; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_14, deployment Perimeter, malware_family Win32_Emotet, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_12;
)