New Mac Malware 'Dockster' Found on Dalai Lama siteA new trojan horse app called Dockster is targeting Mac users by exploiting a known Java vulnerability CVE-2012-0507. The trojan is apparently being delivered through a website (gyalwarinpoche.com) dedicated to the Dalai Lama and once installed can collect user keystrokes and other personal information.
Mac in Danger ? Earlier this spring, a Russian security firm discovered a trojan piece of malware which took advantage of a Java vulnerability on many computers, Macs and PCs alike. This trojan, known as “Flashback,” was used to enlist some 600,000 infected computers into a botnet.
Malware also provides an interface that allows attackers to download and execute additional malware. Dockster has been found to use the same exploit code as the previous SabPab virus to gain access through a backdoor. Dockster is also said to launch an agent called mac.dockset.deman, which restarts each time a user logs in to their Mac.
Dockster is only the latest Mac-based threat to hit organizations and people sympathetic to Tibet's conflict with the Chinese government.
In April, another piece of malware, known as “Backdoor.OSX.SabPub,” or “SabPub” was found and distributed through Microsoft Office files sent to those who may sympathize with Tibet. The attackers behind SabPub used a technique known as “Spear-Phishing,” a practice used to target smaller groups of people as opposed to sending out mass emails in hopes that someone will click a link.
In September, security firm AlienVault said it had discovered the creator of the PlugX Remote Access Tool (RAT), which had been used by hackers from various countries to target Tibet. The creator hailed from China.
Necurs Rootkit infect 83,427 machines in NovemberRootkit named as "Necurs" infect 83,427 unique machines during the month of November 2012. It is a multi-purpose rootkits capable of posing a threat to both 32 and 64-bit Windows systems. Distributed via drive-by download on the websites that host the BlackHole exploit kit.
Like other rootkits it is able to hide itself from detection and also capable of downloading additional malware from outside. Attackers can maintain remote access to a machine this way in order to monitor activity, send spam or install scareware.
Rootkit also stop security applications from functioning and hence no detection. Microsoft list this as Trojan:Win32/Necurs.
Trojan:Win32/Necurs is a family of malware that work together to download additional malware and enable backdoor access and control of your computer. The malware can be installed on its own or alongside rogue security software, such as Rogue:Win32/Winwebsec.

The malware downloads itself into the folder "%windir%\Installer\", where is a unique number that identifies your computer, for example "%windir%\Installer\{df3d9e18-342c-8c07-8dab-13e76d8b4322}".
Moreover, Some variants of Trojan:Win32/Necurs can inject code into all running processes. The injected code is known as a "dead byte"; certain system processes will cause your computer to restart if they are injected with this code.
Strong anti-security features are provided by the Necurs driver. The driver has a very clear goal: protecting every Necurs component from being removed.
This example shows that malicious software is growing more sophisticated and is starting to include various components that serve individual purposes. These threats may target various versions of operating systems or even different software platforms.
Tumblr Worm affects thousands blogs, spam offensive articlesA notorious group of Internet trolls says it has unleashed a worm that has littered Tumblr blogs with inflammatory and racist posts. A massive bug affecting some 8,600 unique Tumblr users. Gay Nigger Association of America, took responsibility for the attack.
The infected post begins: "Dearest 'Tumblr' users ,This is in response to the seemingly pandemic growth and world-wide propagation of the most fucking worthless, contrived, bourgeoisie, self-congratulating and decadent bullshit the internet ever had the fortune of faciliating."

How worm work ? Worm took advantage of Tumblr's reblogging feature, meaning that anyone who was logged into Tumblr would automatically reblog the infectious post if they visited one of the offending pages. Naked Security said.
In a message posted to the company’s official Twitter account, the blogging site said, “We are aware that there is a viral post circulating on Tumblr. We are working to resolve the issue as swiftly as possible. Thank you. “
The Gay Nigger Association of America (GNAA) is an anti-blogging Internet-trolling organization. They have trolled several prominent websites and Internet personalities including Slashdot, Wikipedia, CNN, Barack Obama's campaign website, Alex Jones, and prominent members of the blogosphere.
They have also released software products and leaked screenshots and information about upcoming operating systems. In addition, they maintain a wiki-based site dedicated to Internet commentary and a software repository.
The micro-blogging site says its engineers are working on a fix.