ET ADWARE_PUP VilnyNet VPN Install Started

Query · suricata

flow:established,to_server;
http.uri;
content:"?event=winInstaller"; fast_pattern;
content:"&uuid="; distance:0;
content:"&osver"; distance:0;
content:"&osbuild="; distance:0;
http.user_agent;
content:"NSISDL/1.2 (Mozilla)"; bsize:20;
Raw source ET ADWARE_PUP VilnyNet VPN Install Started · 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 ADWARE_PUP VilnyNet VPN Install Started";
    flow:established,to_server;
    http.uri;
    content:"?event=winInstaller"; fast_pattern;
    content:"&uuid="; distance:0;
    content:"&osver"; distance:0;
    content:"&osbuild="; distance:0;
    http.user_agent;
    content:"NSISDL/1.2 (Mozilla)"; bsize:20;
    reference:md5,3bdc372644285aa7b3c8263d7d1c9a4a;
    classtype:pup-activity;
    sid:2031533; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_08;
)

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.