ET POLICY Petite Packed Binary Download

Query · suricata

flow:established,to_client;
flowbits:set,ET.http.binary;
flowbits:isnotset,ET.http.binary;
file.data;
content:"MZ"; within:2;
byte_jump:4,58,relative,little;
content:"PE|00 00|"; distance:-64; within:4;
content:"|43 6F 6D 70 72 65 73 73 65 64 20 62 79 20 50 65 74 69 74 65 20 28 63 29 31 39 39 39 20 49 61 6E 20 4C 75 63 6B 2E 00 00|"; distance:-44;

Rule dependencies

Excludes

  • ET.http.binary — excluded, not a dependency

Feeds into

  • 28 rules read ET.http.binary · view all
Raw source ET POLICY Petite Packed Binary Download · Suricata
Esc
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 Petite Packed Binary Download";
    flow:established,to_client;
    flowbits:set,ET.http.binary;
    flowbits:isnotset,ET.http.binary;
    file.data;
    content:"MZ"; within:2;
    byte_jump:4,58,relative,little;
    content:"PE|00 00|"; distance:-64; within:4;
    content:"|43 6F 6D 70 72 65 73 73 65 64 20 62 79 20 50 65 74 69 74 65 20 28 63 29 31 39 39 39 20 49 61 6E 20 4C 75 63 6B 2E 00 00|"; distance:-44;
    reference:md5,fa2c0e8b486c879f4baee1d5bebdf0a2;
    reference:url,un4seen.com/petite/;
    classtype:misc-activity;
    sid:2020973; rev:8;
    metadata:created_at 2015_04_22, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_08;
)

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