Endpoint Protection - Symantec Enterprise
In our previous blogs, [1], [2], [3], and [4], we described how a computer may become infected with OSX.Flashback.K and provided various statistics about infected computers. The purpose of this blog is to describe the inner workings of the threat. The ultimate goal of the OSX.Flashback.K Trojan is to generate money through ad-clicking. The threat employs multiple components in order to achieve thi
Endpoint Protection - Symantec Enterprise
We've been busy in the labs reverse engineering the various components of OSX.Flashback.K to determine the true motivation behind the malware. Let's take a look at this Mac Trojan in more detail. The Infection It's now well-known that the latest OSX.Flashback.K variant was being distributed using the Oracle Java SE Remote Java Runtime Environment Code Execution Vulnerability (CVE-2012-0507), which
OSX/Flashback.O sample + some domains
1. A few hours after I posted the Flashback.K, someone anonymously uploaded Flashback.O sample (thank you very much!), which I am posting below. Like in the first case, it is a payload binary from a victim, not the downloader, which makes it impossible to install. If you succeed or have a binary that installs, please share. I personally have not tried to run them yet, did not have a vm. 2. Matt T
OSX/Flashback.K sample + Mac OS malware study set (30+ older samples)
Update April 12, 2012 Added another binary sv.4 - with plist fle (edited to remove userid) OSX Flashback malware has been in the news a lot after Kaspersky's announcement about 600,000 botnet "Kaspersky Lab Confirms Flashfake / Flashback Botnet Infected more than 600,000 Mac OS X Computers, Describes Ramifications and Remedies " I got a sample tonight thanks to Tim Strazzere and I have not analyz
News from the Lab Archive : January 2004 to September 2015
On Monday, we wrote about a variant of the Mac Flashback trojan that exploits a then unpatched Java vulnerability (CVE-2012-0507). Apple released its security update on Tuesday. If you have Java installed on your Mac — update now. Yesterday, Dr. Web (a Russian based antivirus vendor) reported that Flashback may have infected over half-a-million Macs. Each installation of Flashback creates a unique
News from the Lab Archive : January 2004 to September 2015
Note: We have shipped a free Flashback removal tool A new Flashback variant (Mac malware) has been spotted exploiting CVE-2012-0507 (a Java vulnerability). We've been anticipating something like this for a while now. Oracle released an update that patched this vulnerability back in February… for Windows. But — Apple hasn't released the update for OS X (yet). It appears that the Flashback gang is k
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