ET MALWARE WooSIP Downloader CnC WriteMetadataOnServer

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/write_meta.php?sDir="; nocase;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE WooSIP Downloader CnC WriteMetadataOnServer · 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 WooSIP Downloader CnC WriteMetadataOnServer";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/write_meta.php?sDir="; nocase;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,1cd356ab1943f120b04ad21afd9dcdb3;
    classtype:command-and-control;
    sid:2025167; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_12_21, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_24;
)

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