Category: linux

Notes covering Linux group enumeration and management commands, plus an investigation framework for suspicious binaries/processes on Ubuntu, including examples and security best practices.

A quick reference sheet for iptables and useful rules/commands to keep handy.

A practical reference to core Bash scripting concepts: standard streams and file descriptors, common control and redirection operators, positional arguments, test operators for files and numbers, and a simple function example.

A field-ready set of Linux local privilege escalation techniques: writable /etc/passwd, sudo shell escapes via GTFOBins, cron misconfigurations (writable scripts and wildcard injection), and SUID/SGID exploitation patterns including known CVEs, shared object injection, and PATH/environment hijacking.

Notes covering Linux group enumeration and management commands, plus an investigation framework for suspicious binaries/processes on Ubuntu, including examples and security best practices.

A quick reference sheet for iptables and useful rules/commands to keep handy.

A practical reference to core Bash scripting concepts: standard streams and file descriptors, common control and redirection operators, positional arguments, test operators for files and numbers, and a simple function example.