ET MALWARE Red Wolf/RedCurl Payload Retrieval Attempt M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/ldn"; startswith; 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;
target:src_ip;
Raw source ET MALWARE Red Wolf/RedCurl Payload Retrieval Attempt M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Red Wolf/RedCurl Payload Retrieval Attempt M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/ldn"; startswith; 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,b7a633613d95dedd57775dcbb72accc7;
    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:2047955; 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;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.