Bogdan Deac
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  • Bogdan Deac

Bogdan Deac

Oct 4, 2021

Zile frumoase de vară,
N-am ieșit de mult pe-afară.
Stau în casă și codez
Ah, ce bine mă distrez!

Marea e foarte departe,
Monitorul de munți mă desparte,
Peste granițe nu trec,
Doar în vim vreau să petrec.

Festivaluri muzicale,
Insulele tropicale,
Nu mă mai atrag deloc,
Doar în terminal ma joc.

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Linker drops

Linker drops

Some notes about linkers, targeting ELF, Linux and C/C++. Basics * A linker is a computer program. It takes one or more object files and combine them into a single executable, library or other object file. * An object file is generated by a compiler or an assembler and is composed
Feb 20, 2023 5 min read
Hands-on: Exploit RISC-V CPU using Return-Oriented Programming

Hands-on: Exploit RISC-V CPU using Return-Oriented Programming

In a previous article, I’ve described a step-by-step Return-Oriented Programming (ROP) attack on RISC-V CPU architecture from a theoretical point of view. In this one, I will present a practical attack on a RISC-V CPU deployed on an FPGA. At the end of this article, you will know: * how
Feb 1, 2023 15 min read
Reverse Debugging and other stories

Reverse Debugging and other stories

Debugging can be very hard A bug is an undesired state that makes our system behave in a wrong manner. The symptom can be a crash, a wrong result, an unintended operation, etc. In most cases, the bugs are discovered based on symptoms. However, to solve them we have to
Aug 18, 2022 16 min read
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