abuse

Nmap Scan

nmap -p 111,2049,44761,45575,47251,58151 -sVC --script nfs* "$ip" -oN scan/nfs_scan_"$ip".out

Footprinting service (linux)

Show available shares

showmount -e "$ip"

Mount NFS share

mkdir target-NFS
sudo mount -t nfs "$ip":/<share> ./nfs-share/ -o nolock
cd target-NFS
tree .

Unmount shares

sudo umount ./nfs-share

List content name with user & groups (NFS)

ls -l ./nfs-share

List content with UIDs & GUIDs

ls -n ./nfs-share

NOTE: if the root_squash option is set, we cannot edit the backup.sh file even as root.

If you get "permission denied" error (In the nfs folder)

sudo useradd -u 1001 randomuser

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Create NFS share

echo '/mnt/nfs  "$ip"/24(sync,no_subtree_check)' >> /etc/exports
systemctl restart nfs-kernal-server
exportfs

NFS permission denied error

Try ls with sudo, try to mount NFS share elsewhere, not in /mnt