by digitaloperatives | Feb 13, 2014 | Research
[toc] Hard Problems As cybersecurity researchers, we deal with computationally hard problems all the time. Finding a hash collision… determining the user inputs that can assign a certain value to a tainted EIP… deciding whether a black-box binary is...
by digitaloperatives | Feb 6, 2014 | Research
First of all, thanks for all of your positive feedback on our recent post on physical security. One of the comments we’ve received multiple times is that these types of locks and the practice of using mnemonics for their codes is primarily limited to government...
by digitaloperatives | Jan 31, 2014 | Research
Digital spin locks like the Kaba Mas X-09 and X-10 are very common for high security applications like vault doors. US General Services Administration approval means that they are nearly ubiquitous in securing government filing cabinets that contain documents that are...
by digitaloperatives | Jan 30, 2014 | Capture the Flag
We are given a file, “task.exe,” and told that “smthg wrong with this env.” Running `file` tells us that this is not an EXE at all: it is an x86_64 ELF. We try to run it and quickly determine it expects a certain command-line...
by digitaloperatives | Jan 29, 2014 | Capture the Flag
The description of the task is that the program has been stuck “in a blender.” Upon opening the program in IDA Pro, it is clear the bytes have been modified, since there are nonsensical instructions and a large block of undecipherable bytes. It is...
