ET MALWARE Linux/ShellshockCampaign.DDOSBot UDP Flood CnC Server Message

Query · suricata

flow:established,to_client;
content:"! UDP "; depth:6;
pcre:"/\x21\x20UDP\x20\d{1,3}\x2E\d{1,3}\x2E\d{1,3}\x2E\d{1,3}/";
Raw source ET MALWARE Linux/ShellshockCampaign.DDOSBot UDP Flood CnC Server Message · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Linux/ShellshockCampaign.DDOSBot UDP Flood CnC Server Message";
    flow:established,to_client;
    content:"! UDP "; depth:6;
    pcre:"/\x21\x20UDP\x20\d{1,3}\x2E\d{1,3}\x2E\d{1,3}\x2E\d{1,3}/";
    reference:url,research.zscaler.com/2014/09/shellshock-attacks-spotted-in-wild.html;
    reference:cve,2014-6271;
    classtype:command-and-control;
    sid:2019300; rev:2;
    metadata:created_at 2014_09_29, cve CVE_2014_6271, signature_severity Major, updated_at 2019_07_26;
)

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