CrackMapExec
Post ExploitationkaliSwiss army knife for pentesting Active Directory networks (now NetExec in many repos).
Install
sudo apt install crackmapexec
Common commands
crackmapexec smb 192.168.1.0/24 -u user -p pass netexec smb targets.txt -u u -p p --shares
Use only on systems you are authorized to test. Follow program scope.
Related tools
Empire
Post-exploitation framework with PowerShell and Python agents (check current maintained forks).
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).