Category: Software Debug and Trace

Security of BMC Operating Systems

Alan Sguigna

July 2, 2017
1:58 pm

Given that they are network-accessible, BMCs present an attack surface. Which operating systems are hardened enough to be secure against malicious actors?

Securing JTAG-based At-Scale Debug

Alan Sguigna

June 18, 2017
4:14 pm

Security through obscurity is not a meaningful means to mitigate malevolent attacks. With the greater forensics capabilities offered by At-Scale Debug (ASD), how are platforms protected?

The MinnowBoard Chronicles Episode 18: Reverse-Engineering Code Execution

Alan Sguigna

June 11, 2017
1:55 pm

In my last article, I used Last Branch Record (LBR) Trace to manually capture UEFI program flow source and destination addresses. This week, I look at the associated instruction opcodes and mnemonics and try to figure out what is going on.

The Minnowboard Chronicles Episode 17: Using LBR Trace without Source Code

Alan Sguigna

May 26, 2017
2:24 pm

My curiosity got the better of me this week. I decided to play detective, and see what I can learn from LBR trace data if I pretend I don’t have access to the source code.

The Minnowboard Chronicles Episode 16: Delving into LBR Trace

Alan Sguigna

May 21, 2017
4:45 pm

This week, I decided to do a thorough analysis of how Last Branch Record (LBR) trace works, to see how useful it is in tracing back what might be the root cause of system failures.

UltraZed-EG Chronicles Episode 1 – First Look and Lessons Learned!

Larry Osborn

May 17, 2017
9:08 am

The Minnowboard Chronicles Episode 15: More UEFI Application Development in ‘C’

Alan Sguigna

May 14, 2017
2:55 pm

In Episode 12, I wrote a simple “Hello World!” application in ‘C’ using the built-in UEFI shell functions. In Episode 13, I failed in an attempt to re-write that application using standard ‘C’ library functions, such as printf(). I’ve learned a lot since then – here’s how to write more sophisticated programs.

The Minnowboard Chronicles Episode 14: Poking around SecCore in UEFI

Alan Sguigna

May 6, 2017
4:12 pm

This week, I poke around the code from the reset vector, in the heart of the CPU initialization firmware, and try to reverse-engineer what is going on.

Zedboard Video Chronicles Episode 3 – SourcePoint Debugging the Zedboard with the Zynq 7000 SoC from Xilinx®

Larry Osborn

May 5, 2017
11:02 am

Zedboard chronicles episode 3 SourcePoint® Debugging the Zedboard with the Zynq-7000 SoC from Xilinx®

Larry Osborn

April 26, 2017
10:31 am

This Zedboard Chronicle deals with what it takes to extract existing data from the QSPI found on the Zedboard. Its a journey through the experiences of a developer to learn as much as possible about the Xilinx Zynq-7000 using the ASSET InterTech SourcePoint debugger

Category: Software Debug and Trace

Security of BMC Operating Systems

Securing JTAG-based At-Scale Debug

The MinnowBoard Chronicles Episode 18: Reverse-Engineering Code Execution

The Minnowboard Chronicles Episode 17: Using LBR Trace without Source Code

The Minnowboard Chronicles Episode 16: Delving into LBR Trace

UltraZed-EG Chronicles Episode 1 – First Look and Lessons Learned!

The Minnowboard Chronicles Episode 15: More UEFI Application Development in ‘C’

The Minnowboard Chronicles Episode 14: Poking around SecCore in UEFI

Zedboard Video Chronicles Episode 3 – SourcePoint Debugging the Zedboard with the Zynq 7000 SoC from Xilinx®

Zedboard chronicles episode 3 SourcePoint® Debugging the Zedboard with the Zynq-7000 SoC from Xilinx®

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