Provided by Aanval (Snort & Syslog Intrusion Detection and Correlation Engine) www.aanval.com
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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. |
Impact | Malicious code infection. This event may indicate that an internal host may be infected with some kind of malicious code. |
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. |
Affected Systems | Microsoft Windows hosts. |
Attack Scenarios | Malicious code may be spread by e-mail containing attachments with files ending in ".vbs". |
Ease of Attack | Simple |
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. |
Additional References |
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DID:334623
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http://www.aanval.com/