ET MALWARE zgRAT / PureLogs Stealer GZIP Exfiltration Outbound

Query · suricata

flow:established,to_server;
tcp.flags:A;
content:"|1f 8b 08 00|"; offset:4; depth:4;
target:src_ip;
Raw source ET MALWARE zgRAT / PureLogs Stealer GZIP Exfiltration Outbound · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 5555 (
    msg:"ET MALWARE zgRAT / PureLogs Stealer GZIP Exfiltration Outbound";
    flow:established,to_server;
    tcp.flags:A;
    content:"|1f 8b 08 00|"; offset:4; depth:4;
    reference:url,x.com/Jane_0sint/status/1911844767186436550;
    classtype:trojan-activity;
    sid:2061601; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2025_04_15, deployment Perimeter, malware_family zgRAT, malware_family PureLogs_Stealer, confidence Medium, signature_severity Major, tag Stealer, tag InfoStealer, updated_at 2025_04_15;
    target:src_ip;
)

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