"In this scenario, attackers are able to maximize system compromise by deploying two different payloads in one execution, leaving a user's machine open to a slew of infection," Trend Micro threat response engineer Roland Dela Paz, said in a blog post on Saturday.
A new attack campaign that targets Tibetan activists distributes malicious RTF files that exploit a Microsoft Office vulnerability patched just one week ago, on April 10, Macalintal said in a blog post on Monday.
On Friday, researchers from antivirus firm Kaspersky Lab reported the discovery of a new Mac OS X backdoor which they named SabPub. On Sunday, they said that the backdoor might have been distributed as part of attacks that targeted Tibetan activists.
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