ET RETIRED WinGo/YT Stealer CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/new"; bsize:4;
http.user_agent;
content:"Go-http-client/"; startswith;
http.header_names;
content:!"Referer";
http.request_body;
content:"|7b 22|author|22 3b 22|"; fast_pattern; startswith;
content:"|2c 22|ip|22 3b 22|"; distance:0;
content:"|2c 22|text|22 3b 22|"; distance:0;
Raw source ET RETIRED WinGo/YT Stealer CnC Checkin · 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 RETIRED WinGo/YT Stealer CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/new"; bsize:4;
    http.user_agent;
    content:"Go-http-client/"; startswith;
    http.header_names;
    content:!"Referer";
    http.request_body;
    content:"|7b 22|author|22 3b 22|"; fast_pattern; startswith;
    content:"|2c 22|ip|22 3b 22|"; distance:0;
    content:"|2c 22|text|22 3b 22|"; distance:0;
    reference:md5,96ec3efa9bd454550b615df142b08295;
    classtype:trojan-activity;
    sid:2039441; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_18, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family YT_Stealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_19, reviewed_at 2024_09_19;
)

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