ET MALWARE Pingback Upload Command Issued

Query · suricata

dsize:>787;
itype:8;
content:"upload"; depth:6;
Raw source ET MALWARE Pingback Upload Command Issued · 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 icmp $HOME_NET any -> any any (
    msg:"ET MALWARE Pingback Upload Command Issued";
    dsize:>787;
    itype:8;
    content:"upload"; depth:6;
    reference:url,www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/backdoor-at-the-end-of-the-icmp-tunnel/;
    reference:md5,264c2ede235dc7232d673d4748437969;
    classtype:trojan-activity;
    sid:2032918; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_05_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_10;
)

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