ET MALWARE Windows Executable Sent When Remote Host Claims to Send a RAR Archive

Query · suricata

flow:established,from_server;
http.content_type;
content:"application/rar"; nocase; fast_pattern; bsize:15;
file.data;
content:"MZ"; depth:2;
byte_jump:4,58,relative,little;
content:"PE|00 00|"; distance:-64; within:4;
Raw source ET MALWARE Windows Executable Sent When Remote Host Claims to Send a RAR Archive · 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 Windows Executable Sent When Remote Host Claims to Send a RAR Archive";
    flow:established,from_server;
    http.content_type;
    content:"application/rar"; nocase; fast_pattern; bsize:15;
    file.data;
    content:"MZ"; depth:2;
    byte_jump:4,58,relative,little;
    content:"PE|00 00|"; distance:-64; within:4;
    classtype:trojan-activity;
    sid:2022874; rev:4;
    metadata:created_at 2016_06_08, confidence High, signature_severity Major, updated_at 2020_08_24;
)

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