To get hashes of all the users, use the following query: SELECT * FROM sys.sql_logins You can create a hash in the SQL server through the HashByte Function.Ī hash produced in SQL server looks somewhat like the following: It creates hashes of 32 or 64 bit for the desired input. From SQL server 2016, the only hashing algorithms used are SHA2_512 and SHA2_256. And because of hashing, there is less to zero chance for it to be reversed. SQL Server uses hashing techniques instead of encryption as it offers a one-sided procedure to hash data. The hash code is always the same length, but it will vary in complexity depending on how it’s used and may produce different hashes for different input strings. Hash is a specific type of algorithm that produces an output string of a fixed length. Once we find the hashes, we will use JohnTheRipper to crack them. We have performed our practical on SQL Server 2016 version. Every version of MSSQL has different hashes. In this article, we will learn about multiple ways to get hashes of MSSQL users.
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