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Showing posts tagged with Emerging Threats
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Paul Wood | 06 Apr 2011 | 0 comments

Posted on behalf of Jason Zhang and Joseph Rabaiotti, Malware Research Analysts,

Portable document format (PDF) is one of the most commonly used file formats with which to exchange electronic documents across platforms and applications. Because of its popularity, it has been heavily used in both targeted and non-targeted attacks, as reported by MessageLabs Intelligence Monthly Report (PDF) in February 2011 and a blog post in January 2011. According to the report, PDFs now account for a larger proportion of document-based targeted attacks; in 2009 approximately 52.6% of targeted attacks used PDF exploits, compared with 65.0% in 2010.

In 2011, we have seen no sign of slowing down of this trend, more recently the attacks have widened to include sophisticated...

Paul Wood | 17 Feb 2010 | 3 comments

Posted on behalf of Tony Millington (Malware Operations Engineer, Symantec Hosted Services), with contributions from Dan Bleaken (Malware Data Analyst, Symantec Hosted Services)

Today we saw a targeted attack against seven different companies via email, sent mostly to Public Sector addresses, but also to the Education Sector. The attack began on February 16, but the fact that we've seen a targeted attack at all is not particularly interesting, we see targeted attacks every day: for example, in the month of January 2010 we stopped 1,976 confirmed targeted emails. The interesting part with this particular attack is that it is using the Bredolab malware as the payload in the email.

Bredolab (for more information click here) is usually spammed out in vast quantities using the Cutwail botnet (one of the largest botnets currently in...