New rules are being created automatically in Outlook

Symptoms

You notice that you are not receiving some email messages and that rules are being created automatically in Microsoft Outlook. These rules delete any incoming email in which the subject or body contains certain words such as the following:
  • Virus
  • Phishing
  • Hack
  • Phish

Cause

These rules were created by a hacking group to prevent compromised users from receiving messages that inform them that their email account may be compromised.

Resolution

Manually delete these rules, and report the issue to your organization's security team.

More Information

For more information, go to the following FireEye website:


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Artikel-id: 3037670 – senaste granskning 24 feb. 2015 – revision: 1

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