ET MALWARE ELF.MrBlack DOS.TF Variant

Query · suricata

flow:established,to_server;
content:"Linux_"; offset:8; depth:6;
content:"TF-"; distance:58; within:3; fast_pattern;
Raw source ET MALWARE ELF.MrBlack DOS.TF Variant · 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 tcp $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE ELF.MrBlack DOS.TF Variant";
    flow:established,to_server;
    content:"Linux_"; offset:8; depth:6;
    content:"TF-"; distance:58; within:3; fast_pattern;
    reference:url,blog.malwaremustdie.org/2016/01/mmd-0048-2016-ddostf-new-elf-windows.html;
    classtype:trojan-activity;
    sid:2022336; rev:2;
    metadata:created_at 2016_01_07, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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