ET MALWARE MacOS/Adload Proxy Node Beacon

Query · suricata

flow:established,to_server;
content:"|7B 22|peer_id|22 3A|"; offset:0; depth:11;
content:"|22 2C 22|connect_version|22|"; distance:0; fast_pattern;
content:"|22|action|22|"; distance:0;
threshold:type limit, track by_src, count 1, seconds 60;
Raw source ET MALWARE MacOS/Adload Proxy Node Beacon · 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 tcp $HOME_NET any -> $EXTERNAL_NET [7000:7002] (
    msg:"ET MALWARE MacOS/Adload Proxy Node Beacon";
    flow:established,to_server;
    content:"|7B 22|peer_id|22 3A|"; offset:0; depth:11;
    content:"|22 2C 22|connect_version|22|"; distance:0; fast_pattern;
    content:"|22|action|22|"; distance:0;
    threshold:type limit, track by_src, count 1, seconds 60;
    reference:url,cybersecurity.att.com/blogs/labs-research/mac-systems-turned-into-proxy-exit-nodes-by-adload;
    classtype:bad-unknown;
    sid:2047629; rev:2;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2023_08_11, deployment Perimeter, malware_family Adload, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_09;
)

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