ET MALWARE OpenSSH in ICMP Payload - Possible Covert Channel

Query · suricata

itype:8;
icode:0;
content:"openssh"; nocase;
Raw source ET MALWARE OpenSSH in ICMP Payload - Possible Covert Channel · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert icmp any any -> any any (
    msg:"ET MALWARE OpenSSH in ICMP Payload - Possible Covert Channel";
    itype:8;
    icode:0;
    content:"openssh"; nocase;
    classtype:trojan-activity;
    sid:2024366; rev:1;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2017_06_08, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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