Microsoft Updates November 2012 – IE, Kernel+Shell, and .NET Critical Patches

Microsoft is patching a fair number of vulnerabilities in their software with 19 flaws being fixed. All of them are being updated in six Bulletins this month (MS12-071 through MS12-076). Four of the Bulletins are rated critical with only two of them being rated urgent for immediate deployment by larger customers concerned with compatibility and performance. At the same time, Internet Explorer 10 is not vulnerable to exploitation by the related set of three flaws, and newly released Windows 8 is affected by yet another font parsing flaw described by CVE-2012-2897, similar to the vulnerability exploited by Duqu. The font malware is especially interesting because the Duqu exploit is currently being included in mass exploitation kits alongside widespread Java and Adobe Reader exploits to spread Ransomware, ZeroAccess, and other trojans of all sorts. Even though Duqu was spread years ago, the patch delivered months ago, the vulnerability continues to be included in the kits and successfully exploited

Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.