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Running Windows Server 2008? Patch.

09

Nov

2011

This month’s Microsoft Updates includes an interesting vulnerability: Microsoft Security Bulletin MS11-083 “This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a continuous flow of specially crafted UDP packets to a closed port on a target system.” A continuous flow of UDP […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

Duqu Attack’s Installer Discovered

02

Nov

2011

Hungarian security firm CrySyS Lab has located the installer for Duqu, which is now well known for its connection to the infamous Stuxnet. The installer arrived via e-mail as a document which then launches an exploit against a zero-day Windows kernel vulnerability. Very heavy stuff… Symantec was given the installer for analysis, and they’ve updated […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

Trojan:SymbOS/OpFake.A

27

Oct

2011

Here’s the technical analysis related to yesterday’s post on Trojan:SymbOS/OpFake.A. OpFake.A arrives as a supposed Opera Mini updater using file names such as OperaUpdater.sisx and Update6.1.sisx. The malware installer adds an Opera icon to the application menu. When run, it will show a menu and a fake download progress bar. Progress bar displayed… even though […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

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Posts Tagged ‘hellip’

Running Windows Server 2008? Patch.

Duqu Attack’s Installer Discovered

Trojan:SymbOS/OpFake.A

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