ET ATTACK_RESPONSE Cisco TclShell TFTP Download

Query · suricata

content:"|54 63 6C 53 68 65 6C 6C|";
Raw source ET ATTACK_RESPONSE Cisco TclShell TFTP Download · 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 udp $EXTERNAL_NET 69 -> $HOME_NET any (
    msg:"ET ATTACK_RESPONSE Cisco TclShell TFTP Download";
    content:"|54 63 6C 53 68 65 6C 6C|";
    reference:url,wwww.irmplc.com/downloads/whitepapers/Creating_Backdoors_in_Cisco_IOS_using_Tcl.pdf;
    classtype:bad-unknown;
    sid:2009245; rev:2;
    metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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