ET MALWARE Fake Software Download Redirect Leading to Malware M3

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET|20|/?s="; startswith; fast_pattern;
content:"&q="; distance:0;
content:"&hmac="; distance:0;
Raw source ET MALWARE Fake Software Download Redirect Leading to Malware M3 · 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 Fake Software Download Redirect Leading to Malware M3";
    flow:established,to_server;
    http.request_line;
    content:"GET|20|/?s="; startswith; fast_pattern;
    content:"&q="; distance:0;
    content:"&hmac="; distance:0;
    reference:url,news.sophos.com/en-us/2021/09/01/fake-pirated-software-sites-serve-up-malware-droppers-as-a-service/;
    classtype:trojan-activity;
    sid:2033961; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_16, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_16;
)

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