Cylab Cybersecurity Challenges

News

[VMware] could not connect ethernet0 to virtual network /dev/vmmon

Virtualization Linux

When using VMware on Linux distributions, particularly on Manjaro, users may encounter a frustrating issue where their virtual machines (VMs) fail to establish an internet connection, resulting in the error message “could not connect Ethernet0 to a virtual network.” This problem can be particularly puzzling, especially for those new to Linux or VMware. In this post, we’ll delve into the causes of this issue and provide a step-by-step guide on how...

Cyber Awareness Game

News

Harvesting PGP secret keys from poorly secured Thunderbird instance

Pentesting Teaching

A brief overview of passkey

Teaching Phishing

[geth] Developer mode

Blockchain Ethereum

If you have already played with geth, you probably have already noticed the --dev option. This option is very handy when you want to quickly start a node to test something. However, you might have found that the developer account which is automatically set is a random account. This randomness can be annoying when trying to automate some testing tasks. The good news is that there is a way to set this developer account. That’s what will be explaine...

Webinars RMA : APT detection and blockchain

Blockchain APT Detection

IPFS-API: a go IPFS RPC API client

Blockchain golang

If you already research about web3 and decentralization, you probably stumbled on the Inter Planetary File System (IPFS). However if you wanted to use the API provided by the IPFS in one of your go program, you probably went crazy trying to understand how to use the API to finaly realize the documentation is not even up to date and refer to deprecated library. The IPFS-API module try to fill this gap and provide a basic yet simple to use package...

Analyse of a crypto scam

Blockchain Ethereum

Solidity: ABI encoding explained

Blockchain Ethereum Smart Contract

Install Metamask and get some testEther

gweb3: a go module to interact with ethereum blockchain

Blockchain Ethereum

Have you ever wonder why most of the web3 tools are written in go (geth, kubo,….) but it’s actually difficult to find a go module that would let you interact with the web3 ecosystem like web3.js or web3.py does ? This blog post will introduce you to gweb3, a go module that aims to facilitate the interaction with an Ethereum blockchain from a go program.