ET MALWARE ftpchk3.php upload attempted

Query · suricata

flow:to_server,established;
content:"STOR ftpchk3.php|0d 0a|"; nocase; fast_pattern;
Raw source ET MALWARE ftpchk3.php upload attempted · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert ftp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE ftpchk3.php upload attempted";
    flow:to_server,established;
    content:"STOR ftpchk3.php|0d 0a|"; nocase; fast_pattern;
    reference:url,digitalpbk.blogspot.com/2009/10/ftpchk3-virus-php-pl-hacked-website.html;
    reference:url,labs.mwrinfosecurity.com/system/assets/131/original/Journey-to-the-Centre-of-the-Breach.pdf;
    classtype:attempted-admin;
    sid:2018416; rev:5;
    metadata:created_at 2014_04_24, signature_severity Major, updated_at 2019_10_08;
)

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