alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Red Wolf/RedCurl Payload Retrieval Attempt M3";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/dn01"; fast_pattern;
http.content_type;
content:"application/x-www-form-urlencoded";
http.user_agent;
content:"Mozilla/5.0"; startswith;
content:"WindowsPowerShell/"; distance:0;
http.content_len;
byte_test:0,=,0,0,string,dec;
reference:md5,6ece95df231083c37ecf9a39c324e2bb;
reference:url,bi.zone/eng/expertise/blog/red-wolf-vnov-shpionit-za-kommercheskimi-organizatsiyami/;
reference:url,www.facct.ru/blog/redcurl-2023/;
classtype:trojan-activity;
sid:2047957; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_09_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Red_Wolf, tag RedCurl, updated_at 2023_09_08, reviewed_at 2023_09_07;
target:src_ip;
)