ET MALWARE UAC-0114/Winter Vivern Redirect

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"error.jsp?errCode=";
http.uri.raw;
content:"|25 36 39 25 36 36 25 32 38 25 32 31 25 36 34 25 36 66 25 36 33 25 37 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 65 25 36 37 25 36 35 25 37 34 25 34 35 25 36 63 25 36 35 25 36 64 25 36 35 25 36 65 25 37 34 25 34 32 25 37 39 25 34 39 25 36 34 25 32 38 25 32 32|"; fast_pattern;
content:"|25 37 62 25 37 37 25 36 39 25 36 65 25 36 34 25 36 66 25 37 37 25 32 65 25 37 38 25 33 64 25 36 34 25 36 66 25 36 33 25 37 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 65 25 36 33 25 37 32 25 36 35 25 36 31 25 37 34 25 36 35 25 34 35 25 36 63 25 36 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 38 25 32 37 25 37 33 25 36 33 25 37 32 25 36 39 25 37 30 25 37 34 25 32 37 25 32 39 25 33 62 25 37 37 25 36 39 25 36 65 25 36 34 25 36 66 25 37 37 25 32 65 25 37 38 25 32 65 25 36 39 25 36 34 25 33 64 25 32 32|";
Raw source ET MALWARE UAC-0114/Winter Vivern Redirect · 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 UAC-0114/Winter Vivern Redirect";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"error.jsp?errCode=";
    http.uri.raw;
    content:"|25 36 39 25 36 36 25 32 38 25 32 31 25 36 34 25 36 66 25 36 33 25 37 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 65 25 36 37 25 36 35 25 37 34 25 34 35 25 36 63 25 36 35 25 36 64 25 36 35 25 36 65 25 37 34 25 34 32 25 37 39 25 34 39 25 36 34 25 32 38 25 32 32|"; fast_pattern;
    content:"|25 37 62 25 37 37 25 36 39 25 36 65 25 36 34 25 36 66 25 37 37 25 32 65 25 37 38 25 33 64 25 36 34 25 36 66 25 36 33 25 37 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 65 25 36 33 25 37 32 25 36 35 25 36 31 25 37 34 25 36 35 25 34 35 25 36 63 25 36 35 25 36 64 25 36 35 25 36 65 25 37 34 25 32 38 25 32 37 25 37 33 25 36 33 25 37 32 25 36 39 25 37 30 25 37 34 25 32 37 25 32 39 25 33 62 25 37 37 25 36 39 25 36 65 25 36 34 25 36 66 25 37 37 25 32 65 25 37 38 25 32 65 25 36 39 25 36 34 25 33 64 25 32 32|";
    classtype:credential-theft;
    sid:2044164; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_09, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_09;
)

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