GEN:SID | 1:793 |
Message | VIRUS OUTBOUND .vbs file attachment |
Summary | This event is generated when an internal mail server sends an e-mail out of the network that may contain a Visual Basic Script (VBS) attachment.
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Impact | Malicious code infection. This event may indicate that an internal host may be infected with some kind of malicious code.
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Detailed Information | An outbound e-mail message that contains an attachment with a file name ending in ".vbs" may indicate that an internal host has been infected by some kind of malicious code. A ".vbs" extension typically means that an attachment file is a Visual Basic Script. A VBS attachment may contain executable code for a worm, virus, or trojan.
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Affected Systems | Microsoft Windows hosts.
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Attack Scenarios | Malicious code may be spread by e-mail containing attachments with files ending in ".vbs".
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Ease of Attack | Simple
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Corrective Action | Make sure that the suspected infected host has the most current anti-virus software.
Run a virus scan on the suspected infected host.
Configure your mail server to block attachments that contain executable code, such as those with extensions of ".vbs", ".exe", etc.
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Additional References | |