Bogdan Deac
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poetry

Căutare

  • Bogdan Deac

Bogdan Deac

Oct 18, 2021

Viața e o căutare,
Lungă pentru fiecare.
Unii-și caută pisoiul,
Alții stick-ul cu bitcoin-ul,

Unii caută-o planetă,
Alții jumătatea perfectă.
Răspunsul la ghicitoare,
Și asta-i o căutare.

Numai eu singur în noapte
Nu am de liniște parte.
Stau și caut în zigzag
Soluția la un bug.

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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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