sp-decryptor

Decrypt Store Procedure using RC4 Algorithm (With DAC)

Reference: https://en.wikipedia.org/wiki/RC4

To run this script in SQL server Dedicated Admin Connection (DAC) is required.

Enabling DAC using TSQL Command: Use master GO sp_configure 'remote admin connections', 1 GO RECONFIGURE WITH OVERRIDE GO

During login in ssms add admin: infront of server name For example: admin:localhost

Decrypt Store Procedure Without DAC

Reference:

• https://learn.microsoft.com/en-us/sql/relational-databases/clr-integration/database-objects/getting-started-with-clr-integration
• https://en.dirceuresende.com/blog/sql-server-como-recuperar-o-codigo-fonte-de-um-objeto-criptografado-with-encryption/

Should create a .dll of cs file ./csc.exe /target:library /out:decryptsp.dll decryptsp.cs