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linux

The Magic of SSH Tunneling and ProxyJump

There are many cases where a system administrator or user needs to access a resource or system that resides on a remote LAN, often behind a firewall such that the service cannot be accessed directly from the internet. The usual solution to this scenario is to set up a VPN …

Backdooring Installation ISOs

Recently, for purely academic reasons, I had a need to create a script that would allow me to easily backdoor installation ISOs, the kind of ISOs you would find for UNIX/Linux-based distributions. I wanted something that could arbitrarily install any backdoor and evade detection, which is already easy enough …