ET POLICY Java EXE Download

Query · suricata

flowbits:isset,ET.http.javaclient;
flow:established,to_client;
content:"|0d 0a 0d 0a|MZ";
byte_jump:4,58,relative,little;
content:"PE|00 00|"; distance:-64; within:4;
threshold:type limit,track by_src,count 1,seconds 3;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET POLICY Java EXE Download · 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 POLICY Java EXE Download";
    flowbits:isset,ET.http.javaclient;
    flow:established,to_client;
    content:"|0d 0a 0d 0a|MZ";
    byte_jump:4,58,relative,little;
    content:"PE|00 00|"; distance:-64; within:4;
    threshold:type limit,track by_src,count 1,seconds 3;
    classtype:misc-activity;
    sid:2013037; rev:8;
    metadata:created_at 2011_06_16, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_08;
    target:dest_ip;
)

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