ET MALWARE ASCII Executable Inside of MSCOFF File DL Over HTTP

Query · suricata

flow:established,from_server;
flowbits:isset,et.MCOFF;
file_data;
content:"|34 64 35 61|";
content:"|35 34 36 38 36 39 37 33 32 30 37 30 37 32 36 66 36 37 37 32 36 31 36 64 32 30|"; distance:38;

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 MALWARE ASCII Executable Inside of MSCOFF File DL Over HTTP · 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 MALWARE ASCII Executable Inside of MSCOFF File DL Over HTTP";
    flow:established,from_server;
    flowbits:isset,et.MCOFF;
    file_data;
    content:"|34 64 35 61|";
    content:"|35 34 36 38 36 39 37 33 32 30 37 30 37 32 36 66 36 37 37 32 36 31 36 64 32 30|"; distance:38;
    reference:md5,f4ee917a481e1718ccc749d2d4ceaa0e;
    classtype:trojan-activity;
    sid:2022303; rev:3;
    metadata:created_at 2015_12_23, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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