Collaborate Disseminate
The motto of Sun Microsystems back in the day was “The Network Is The Computer” which might be kind of relevant when CPUs were slower and single-core affairs, but lately …read more Continue reading Accelerate your large builds locally with distcc
When it comes to programming in C and, sometimes, C++, the printf function is a jack-of-all-trades. It does a nice job of quickly writing output, but it can also do …read more Continue reading Linux Fu: Customizing Printf
I have started with the book ‘Hacking: The art of exploitation!’. I know some of you might suggest that it’s pretty old… But I think great buildings withstand due to their strong foundational base. So, I have to get into what happened ba… Continue reading How do I prevent the random alignment of the instructions during debugging using gdb? Even tried turning off the optimization with -O0 in gcc
I have started with the book ‘Hacking: The art of exploitation!’. I know some of you might suggest that it’s pretty old… But I think great buildings withstand due to their strong foundational base. So, I have to get into what happened ba… Continue reading How do I prevent the random alignment of the instructions during debugging using gdb? Even tried turning off the optimization with -O0 in gcc
If I am shipping a program to my customers which is compiled with GCC, but I want to test the security of the program using Clang, is this generally okay, or will I miss certain security bugs because I am not testing the exact same output/… Continue reading Is switching my C/C++ compiler for security testing generally reliable?
I wrote a NASM program that uses the execve system call to run wget inside a newly spawned shell and execute the retrieved page:
[bits 64]
global _start
section .text
_start:
xor rcx, rcx
push rcx ; first 4
mov rcx, &qu… Continue reading Linux x86_64 Assembly works standalone, but Segfaults when ran as shellcode in C
I am getting multiple undefined references when gcc attempts to link my code. I built openssl-3.0.5 using "./Configure –api=1.0.0 no-deprecated linux-x86_64" and I am linking against the static libraries libssl.a and libcrypto…. Continue reading openssl undefined references
I am trying to bypass the ASLR using the returntoplt attack for this I have to use a gadget pop rdi; ret I was able to find this gadget in __libc_csu_inint but for some reason whenever I use this address it gets corrupted in the stack. I c… Continue reading _libc_csu_init address is getting corrupted in x86_64
Apple hasn’t always had refined user experiences in their operating systems. In the distant past of the ’90s they were still kind of clunky computers that were far from the …read more Continue reading Porting DOOM to a Forgotten Apple OS
Perhaps rather unexpectedly, on the 14th of March this year the GCC mailing list received an announcement regarding the release of the first ever COBOL front-end for the GCC compiler. …read more Continue reading Making The Case For COBOL