Empire
Post ExploitationkaliPost-exploitation framework with PowerShell and Python agents (check current maintained forks).
Install
sudo apt install powershell-empire
Common commands
powershell-empire server powershell-empire client
Use only on systems you are authorized to test. Follow program scope.
Related tools
CrackMapExec
Swiss army knife for pentesting Active Directory networks (now NetExec in many repos).
LinPEAS
Linux privilege escalation enumeration script. Find misconfigs quickly on compromised hosts.
Mimikatz
Windows credential extraction classic. Often used via Metasploit or wine on Kali for research labs.
Netcat
Swiss army knife of networking — debug, transfer files, and simple reverse shells (lab).