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VB2018 paper: Office bugs on the rise

At VB2018 Sophos researcher Gábor Szappanos provided a detailed overview of Office exploit builders, and looked in particular at the widely exploited CVE-2017-0199. Today we publish his paper and release the video of his presentation.
A large portion of today's malware infections use malicious Office documents as a first-stage payload. Typically, the user is tricked into enabling macros or disabling some… https://www.virusbulletin.com/blog/2018/12/vb2018-paper-office-bugs-rise/

.SettingContent-ms files remind us that it is features, not bugs we should be most concerned about

Security researcher Matt Nelson has discovered how .SettingContent-ms files can be embedded into Office files to deliver malware.
One of the most significant developments in the threat landscape in recent years has been the return of malicious Office macros, their resurgence having started four years ago.… https://www.virusbulletin.com/blog/2018/07/settingcontent-ms-files-remind-us-it-features-not-bugs-we-should-be-most-concerned-about/

New paper: Powering the distribution of Tesla stealer with PowerShell and VBA macros

Since their return four years ago, Office macros have been one of the most common ways to spread malware. Today, we publish a research paper which looks in detail at a campaign in which VBA macros are used to execute PowerShell code, which in turn downloa…
Ever since their return more than four years ago, initially in targeted attacks and later in large-scale malware campaigns, Office macros have been one of the most prominent ways… https://www.virusbulletin.com/blog/2018/04/new-paper-powering-distribution-tesla-stealer-powershell-and-vba-macros/

Is CVE-2017-0199 the new CVE-2012-0158?

After five years of exploitation in a wide variety of attacks, CVE-2012-0158 may have found a successor in CVE-2017-0199, which is taking the Office exploit scene by storm.
There are two good reasons not to be concerned about CVE-2012-0158, an RTF handling vulnerability in Microsoft Office. First, the vulnerability was patched more than five years… https://www.virusbulletin.com/blog/2017/06/cve-2017-0199-new-cve-2012-0158/

Paper: New Keylogger on the Block

In a new paper published by Virus Bulletin, Sophos researcher Gabor Szappanos takes a look at the KeyBase keylogger, sold as a commercial product and popular among cybercriminals who use it in Office exploit kits.
Keyloggers have long been a popular tool for cybercriminals, something made worse by the fact that many of them are sold commercially. Today, we publish a paper (here as a PDF)… https://www.virusbulletin.com/blog/2016/07/paper-new-keylogger-block/

Vawtrak trojan spread through malicious Office macros

Users easily tricked, but plenty of opportunity for the malware to be blocked.
Users easily tricked, but plenty of opportunity for the malware to be blocked. Researchers at Trend Micro report that the 'Vawtrak' banking trojan now also spreads through Office… https://www.virusbulletin.com/blog/2015/02/vawtrak-trojan-spread-through-malicious-office-macros/

CVE-2012-0158 continues to be used in targeted attacks

30-month old vulnerability still a popular way to infect systems.
30-month old vulnerability still a popular way to infect systems. If all you have to worry about are zero-day vulnerabilities, you have got things pretty well sorted. Although it… https://www.virusbulletin.com/blog/2014/10/cve-2012-0158-continues-be-used-targeted-attacks/

Microsoft Word for Mac exploit used in targeted attacks

Tibetan NGOs targeted.
Tibetan NGOs targeted. Researchers at Alienvault have discovered a targeted attack against Tibetan NGOs that uses a three-year-old vulnerability in Microsoft Office for Mac.… https://www.virusbulletin.com/blog/2012/03/microsoft-word-mac-exploit-used-targeted-attacks/