ET HUNTING Generic IOT Downloader Malware in GET (Inbound)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"wget+http"; within:200;
content:"sh+/"; within:200; fast_pattern;
content:"rm+-rf"; within:100;
Raw source ET HUNTING Generic IOT Downloader Malware in GET (Inbound) · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET HUNTING Generic IOT Downloader Malware in GET (Inbound)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"wget+http"; within:200;
    content:"sh+/"; within:200; fast_pattern;
    content:"rm+-rf"; within:100;
    classtype:bad-unknown;
    sid:2029590; rev:2;
    metadata:affected_product Linux, attack_target IoT, created_at 2020_03_09, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_09;
)

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