enum4linux
All-in-one SMB/RPC enumeration (users, groups, shares).
A wrapper that automates SMB/RPC enumeration of a Windows/Samba target: users, groups, shares, password policy and RID cycling, all in one pass. The modern version, enum4linux-ng, gives cleaner, JSON-capable output.
Family SMB, NetBIOS & RPC
Flags -a -U -S -G
Concepts SMB enumeration with a guest/null session, RID cycling
Cheatsheet SMB · 139 / 445
Installation
sudo apt install -y enum4linuxUseful commands
Appears in
Some machines where its use is documented; not an exhaustive list.