ET WEB_CLIENT Microsoft Tech Support Scam Landing M1 Oct 13 2017

Query · suricata

flow:established,to_client;
file_data;
content:"<title>Windows Defender</title>"; nocase; fast_pattern;
content:"background-color|3a 20|#659e1d"; nocase; distance:0;
Raw source ET WEB_CLIENT Microsoft Tech Support Scam Landing M1 Oct 13 2017 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Microsoft Tech Support Scam Landing M1 Oct 13 2017";
    flow:established,to_client;
    file_data;
    content:"<title>Windows Defender</title>"; nocase; fast_pattern;
    content:"background-color|3a 20|#659e1d"; nocase; distance:0;
    classtype:social-engineering;
    sid:2024841; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_10_13, deployment Perimeter, confidence Medium, signature_severity Minor, tag Tech_Support_Scam, updated_at 2019_08_16;
)

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.