Posts with tag linux

6 posts

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EC2 & RootMe - Challenge réaliste Escalate Me

Writeup du challenge réaliste Escalate Me proposé par la plateforme RootMe à l'European Cyber Cup 2022 à Lille.

linux privilege-escalation writeup

June 10, 2022
UNIX Shells dropping SUID rights in shellcodes

Newer versions of UNIX shells no longer transfer SUID rights by default. We will see how to get around this protection.

linux reverse-shell

September 2, 2021
UNIX Reverse Shells Cheatsheet

UNIX Reverse Shells : 42 payloads in 17 different languages !

linux remote-code-execution reverse-shell

May 17, 2021
HeroCTF 2021 - Rooting servers, for fun and CTF points

This writeup describes how I became root on the server hosting the HeroCTF v3 kernel challenges, by exploiting a vulnerable challenge.

linux privilege-escalation web writeup

May 6, 2021
Exploiting Micro Focus Enterprise Server Administration (ESA) 1.09.56 to root the host

In this article I will demonstrate how to exploit Micro Focus Enterprise Server Administration (ESA) 1.09.56 to create a root account on the host server.

linux mainframe privilege-escalation reverse-shell web

March 10, 2021
Constructing a semi-interactive reverse shell with curl

This article details how I created a curl-based reverse shell, from scratch.

linux reverse-shell

November 12, 2020