ET ADWARE_PUP Win32/YTDDownloader.F Variant CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/images/pixel.gif?action=install&point=start&version="; startswith; fast_pattern;
content:"&lngid="; distance:0;
content:"&cid="; distance:0;
content:"&isn="; distance:0;
content:"&kt="; distance:0;
content:"&lt=0"; endswith;
Raw source ET ADWARE_PUP Win32/YTDDownloader.F Variant CnC Activity · Suricata
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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 ADWARE_PUP Win32/YTDDownloader.F Variant CnC Activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/images/pixel.gif?action=install&point=start&version="; startswith; fast_pattern;
    content:"&lngid="; distance:0;
    content:"&cid="; distance:0;
    content:"&isn="; distance:0;
    content:"&kt="; distance:0;
    content:"&lt=0"; endswith;
    reference:md5,5e438deb5e2dd34dcf6e96c8c97f8981;
    classtype:pup-activity;
    sid:2029546; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_27, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_02_27;
)

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