Provided by Aanval (Snort & Syslog Intrusion Detection and Correlation Engine) www.aanval.com
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GEN:SID | 1:546 |
Message | POLICY FTP 'CWD ' possible warez site |
Summary | This event is generated when an attempt is made to navigate in an FTP session to a hidden directory name that begins with a space. |
Impact | Unauthorized file storage. An attacker may attempt to navigate on an FTP server to a directory name that begins with a space to list or store unauthorized files such as unlicensed software. |
Detailed Information | An attacker may attempt to hide unauthorized files in a hidden directory name that begins with a space. This hidden directory is hard to discover, permitting attackers to store unauthorized "warez" files, such as unlicensed or pirated software. |
Affected Systems | FTP servers |
Attack Scenarios | An attacker may navigate to the hidden directory name that begins with a space to list or store unauthorized files. |
Ease of Attack | Simple |
Corrective Action | Assign restrictive permissions to all directories so unauthorized users cannot navigate or write to them. Regularly monitor directories for sudden or drastic increased use of space. |
Additional References |
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DID:415382
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http://www.aanval.com/