Bogdan Deac
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  • Bogdan Deac

Bogdan Deac

Nov 15, 2021

Se prelinge-ncetișor,
Ploaia de pe monitor,
Iar pe căști se lasă bruma,
Cântecul își pierde urma.

Din arbori cu crengi înghețate
Curg în valuri frunze moarte,
În nuanță galben-sură
Și se-aștern pe tastatură.

Pe birou lângă cafea,
Cresc dovleci de catifea,
Iar un șoricel dement
Roade firul de curent.

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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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