ET ADWARE_PUP PacketShare Proxy Connection Heartbeat (POST)

Query · suricata

flow:established,to_server;
urilen:14;
http.method;
content:"POST";
http.uri;
content:"/api/heartbeat";
http.host;
content:"api.packetshare.io";
http.header_names;
content:"|0d 0a|_os_version|0d 0a|";
content:"|0d 0a|_device_os|0d 0a|";
content:"|0d 0a|_timestamp|0d 0a|";
http.header;
content:"|5f|brand|3a 20|packetshare|0d 0a|"; fast_pattern;
Raw source ET ADWARE_PUP PacketShare Proxy Connection Heartbeat (POST) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP PacketShare Proxy Connection Heartbeat (POST)";
    flow:established,to_server;
    urilen:14;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/heartbeat";
    http.host;
    content:"api.packetshare.io";
    http.header_names;
    content:"|0d 0a|_os_version|0d 0a|";
    content:"|0d 0a|_device_os|0d 0a|";
    content:"|0d 0a|_timestamp|0d 0a|";
    http.header;
    content:"|5f|brand|3a 20|packetshare|0d 0a|"; fast_pattern;
    reference:url,trendmicro.com/en_us/research/23/b/hijacking-your-bandwidth-how-proxyware-apps-open-you-up-to-risk.html;
    classtype:misc-activity;
    sid:2048497; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_10_09, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, tag proxyware, updated_at 2023_10_09;
)

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