ET MALWARE MalDoc Retrieving msiexec Commands via DNS TXT

Query · suricata

content:"|00 01 00 01 00 00 00 00|"; offset:4; depth:8;
content:"|00 10|"; distance:0;
content:"msiexec|20 2f|"; within:40; fast_pattern; nocase;
Raw source ET MALWARE MalDoc Retrieving msiexec Commands via DNS TXT · 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 dns any any -> $HOME_NET any (
    msg:"ET MALWARE MalDoc Retrieving msiexec Commands via DNS TXT";
    content:"|00 01 00 01 00 00 00 00|"; offset:4; depth:8;
    content:"|00 10|"; distance:0;
    content:"msiexec|20 2f|"; within:40; fast_pattern; nocase;
    reference:md5,029e926243feed488754cd21a69b5528;
    classtype:trojan-activity;
    sid:2029607; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_11, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_08_19;
)

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