Enum4Linux-ng

git clone https://github.com/cddmp/enum4linux-ng.git
cd enum4linux-ng
pip3 install -r requirements.txt

./enum4linux-ng.py 10.129.14.128 -A

./enum4linux-ng.py 10.10.11.45 -A -C

# This will return password policy
enum4linux -P 172.16.5.5

or 

./enum4linux-ng.py -P 172.16.5.5

# It will diplay the username only
enum4linux -U 172.16.5.5  | grep "user:" | cut -f2 -d"[" | cut -f1 -d"]"

enum4linux -U 172.16.5.5  | grep "user:" | cut -f2 -d"[" | cut -f1 -d"]" > valid_users.txt