New DOS Attack Is a Killer

Friday, October 3rd, 2008

Things are a-brewin’ in Sweden. Sweden is not just home of the infamous bikini team, it is also the home of Outpost 24, an equally sexy software-as-a-service network scanning service, and the employer of my friend Robert E. Lee and his colleague Jack C. Louis. These guys are the inventors ...

Researchers uncover major IP flaw

Wednesday, October 1st, 2008

Researchers at Finnish security firm Outpost 24 claim to have discovered a flaw in the Internet Protocol that can disrupt any computer or server. After keeping the flaw quiet for years, the researchers hope that going public will help accelerate the creation of a solution. The flaw allows attackers to cripple computers ...

Facebook botnet risk revealed

Saturday, September 6th, 2008

Researchers have created a proof-of-concept application for Facebook that turned the machines of people who added the app to their Facebook page into a botnet that launched denial-of-service attacks on a victim server in a demonstration. "Social Network Web sites have the ideal properties to become attack platforms," according to a ...

Wi-Fi networks suffer ‘autoimmune’ attacks

Monday, August 4th, 2008

JUST as the body's immune system sometimes mistakenly attacks its own cells, so the security software intended to protect network users can be fooled into attacking them. This could make attacks by hackers even harder to detect and prevent.Security software typically prevents unauthorised access by encrypting most of the data ...

Security update for AVG virus scanner

Tuesday, July 29th, 2008

AVG Technologies' virus scanner contains a DoS vulnerability that allows attackers to crash the scanner. The crash is caused by division by zero when processing UPX-packed files. The vendor has released update 8.0.156, which fixes the problem.Also in this version, the Search-Shield components do not scan web sites for malicious ...

DoS vulnerability in Sophos antivirus products

Friday, July 11th, 2008

Antivirus software vendor Sophos has reported the discovery of a DoS vulnerability in some of its products. According to the security advisory, specially crafted attachments to emails can bring down Sophos E-mail Appliance, Pure Message for UNIX and Sophos Anti-Virus Interface (SAVI). For the attack to succeed, the MIME attachment ...

A Case Study on Storm Worm

Friday, April 18th, 2008

A bot is a computer program installed on a compromised machine which offers an attacker a remote control mechanism. Botnets, i.e., networks of such bots under a common control infrastructure, pose a severe threat to today’s Internet: Botnets are commonly used for Distributed Denial-of-Service (DDoS) attacks, sending of spam, or ...

VMM32.VXD

Friday, March 7th, 2008

An InfiniSource TechFile By Roy Lehrer Everything in this article applies to all versions of Windows 9X including the recently released Windows 98 Second Edition versions. Rumors: Before I go into the details of telling you how to rebuild a corrupt vmm32.vxd file, let me first say with very strong emphasis that ...