Hackers claim to have beaten Xbox 360 security
Over the weekend, hackers GliGli and Tyros published a "Reset Glitch Hack" and a YouTube video showing how they succeeded in bypassing the security system on Microsoft's Xbox 360 game console to inject and execute their own code. In contrast to previous attacks, which either targeted the drives or exploited bugs in game software, the new attack targets the CPU and, according to the hackers, cannot be blocked by future software updates from Microsoft.To bypass the Xbox 360's security, the hackers slowed down the CPU speed during boot. On the slim model, they achieved this by using an externally accessible HANA chip bus (12C) to overwrite the divider registers in the clock generator. With the clock speed slowed, they used a soldered PCB to send a 20 nanosecond pulse to the reset circuit at a specific time point. According to their report, this did not cause the CPU to reboot the system. They then restored the normal CPU clock speed. The hackers claim that this technique can be used to modify a command to compare memory areas (memcmp). With a little bit of luck, this in turn causes the Xbox to fail to properly check the bootloader signature, allowing the hackers to run their own bootloader.
Checks on revocation fuses are no longer performed for this bootloader, meaning that the hack cannot be blocked by a software update. In the video, the hackers launch a Linux loader (Xell) and a Nintendo 64 (N64) emulator. The attack is reported to run regardless of the installed firmware and dashboard versions. It does, however, take an average of four attempts for the reset pulse to achieve the desired effect. The new slim console model and the most recent version of the older 'fat' model (Jasper) are both vulnerable. The attack has not, however, been tested on first generation Xbox 360 hardware with a 175 watt power supply (Xenon, Falcon).
( crve )
New Intel graphics drivers for X.org already support the Ivy Bridge family of processors expected early next year. In future, a new Linux version will be selected on an annual basis to become a long-term kernel with two years of support.
Nanosecond Pulse Techniques - News
With the clock speed slowed, they used a soldered PCB to send a 20 nanosecond pulse to the reset circuit at a specific time point. According to their report, this did not cause the CPU to reboot the system. They then restored the normal CPU clock speed
“That connects back to this work from [MIT electrical engineering professor Harold 'Doc'] Edgerton, where he was able to make optical flash photography in the microsecond range and nanosecond range.” Attosecond pulses have been demonstrated in the lab
Characteristics of nanosecond pulse needle-to-plane discharges at ...
Scitation requires that your system supports and accepts cookies. To access Scitation, please ensure that your browser, firewall or network configuration is set to allow cookies from our site. For further assistance, please contact our Scitation Help Desk.
If you continue to receive this message, or believe you have received this message in error, please contact our Help Desk:
Email: help@scitation.
Nanosecond Pulse Techniques - Bookshelf
Pulse, the coming age of systems and machines inspired by living things
Explains how technological advances in human systems and machines that work like living things are rapidly transforming life in the twenty-first century, in a ...Pulse
From the Hardcover edition.Data Mining Techniques, For Marketing, Sales, and Customer Relationship Management
This third edition of Data Mining Techniques covers such topics as: How to create stable, long-lasting predictive models Data preparation and variable selection ...Modern Recording Techniques
If you are just starting out or looking for a step up in industry, Modern Recording Techniques provides an in depth excellent read- the must have book ?Parsing techniques, a practical guide
This text Parsing Techniques explores new developments, such as generalized deterministic parsing, linear-time substring parsing, parallel parsing, parsing as ...Perfect Information Directory
IEEE Xplore - Nanosecond pulse techniques
Nanosecond pulse techniques. 149456 abstract. Cookies must be enabled to login.After ... The author reviews pulsed high-voltage techniques and reports on work by the ...
Nanosecond pulse handling techniques in IC interconnections
Nanosecond pulse handling techniques in IC interconnections ... Comment on "Nanosecond pulse handling techniques..." Username: Visitor (To avoid code ...
Amazon.com: Nanosecond
Nanosecond Pulse Techniques by Wolfgang Meiling and Franz Stary (Hardcover - Dec. ... Nanosecond Pilse Techniques by W Meiling (Hardcover - Jan. 1, 1968) ...
Amazon.com: Nanosecond: Books
Nanosecond by Peter Anthony Flynn (Kindle Edition - Mar. 16, 2011) - Kindle ... Nanosecond Pulse Techniques by Wolfgang Meiling and Franz Stary (Hardcover - Dec. 1969) 5 ...
Nanosecond switching in thin magnetic films | IBM Journal of ...
Nanosecond Switching in Thin Magnetic Films* Abstract: A special pulse equipment ... Experimental techniques. A magnetic field pulse is generated in a 50 ...