Sources for mimikatz
PowerShell:
https://github.com/BC-SECURITY/Empire/tree/master/empire/server/data/module_source/credentials
https://raw.githubusercontent.com/S3cur3Th1sSh1t/Creds/master/obfuscatedps/loadmimi.ps1
https://github.com/samratashok/nishang/blob/master/Gather/Invoke-Mimikatz.ps1
EXE:
Obfuscators:
https://gist.github.com/S3cur3Th1sSh1t/08623de0c5cc67d36d4a235cec0f5333
https://gist.github.com/S3cur3Th1sSh1t/cb040a750f5984c41c8f979040ed112a
https://gist.github.com/imaibou/92feba3455bf173f123fbe50bbe80781