ET MALWARE Filename explorer.exe Download - Common Hostile Filename

Query · suricata

flow:established,to_client;
http.header;
content:"filename=";
content:"explorer.exe"; nocase; within:13; fast_pattern;
pcre:"/^Content-Disposition\x3a attachment\x3b filename=[\x27\x22]explorer\.exe[\x22\x27]\r\n/mi";
Raw source ET MALWARE Filename explorer.exe Download - Common Hostile Filename · 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 MALWARE Filename explorer.exe Download - Common Hostile Filename";
    flow:established,to_client;
    http.header;
    content:"filename=";
    content:"explorer.exe"; nocase; within:13; fast_pattern;
    pcre:"/^Content-Disposition\x3a attachment\x3b filename=[\x27\x22]explorer\.exe[\x22\x27]\r\n/mi";
    classtype:trojan-activity;
    sid:2020199; rev:7;
    metadata:created_at 2015_01_16, signature_severity Major, updated_at 2020_05_14;
)

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