ET MALWARE PyRation Variant - Command Sent to Client

Query · suricata

flow:established,to_client;
content:"|5b 22|command|22 2c 7b 22|hi|22 3a 22|"; fast_pattern;
content:"|22|id|22 3a|"; within:100;
target:dest_ip;
Raw source ET MALWARE PyRation Variant - Command Sent to Client · 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 http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE PyRation Variant - Command Sent to Client";
    flow:established,to_client;
    content:"|5b 22|command|22 2c 7b 22|hi|22 3a 22|"; fast_pattern;
    content:"|22|id|22 3a|"; within:100;
    reference:url,www.stratosphereips.org/blog/2024/2/23/analysis-and-understanding-of-malware-of-the-pyration-family;
    reference:url,github.com/stratosphereips/Malware-CC-Recovery/blob/main/README.md;
    reference:md5,67e77dcdbf046a0fd91a0bbb3e807831;
    classtype:command-and-control;
    sid:2051079; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_02_26, deployment Perimeter, malware_family PyRation, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_26;
    target:dest_ip;
)

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