Signature Detail

SMTP: .HTA

This signature detects e-mail attachments with the extension .hta sent using SMTP. This can indicate an incoming e-mail virus. HTA files are HTML application files that can be executed by a Web browser. Generally, HTA files are not sent through e-mail. As a general network security precaution, ensure that all users are aware of the dangers of sending and receiving binary files in e-mail attachments.

Extended Description

None

References

• URL: http://www.cknow.com/vtutor/FileExtensions.html
• URL: http://support.microsoft.com/?kbid=235309
• URL: http://www.novatone.net/mag/mailsec.htm