Mimikatz offers the hacker the possibility to access this ticket and authenticate himself without using a password. Mimikatz has numerous modules that let attackers perform a variety of tasks on the target endpoint. AS-REP Roasting. Some of the more important attacks facilitated by the platform are: Pass-the-Hash—obtains an NTLM hash used by Windows to deliver passwords. A Golden Ticket attack abuses the Kerberos protocol, which depends on the use of shared secrets to encrypt and sign messages. Mimikatz is an open-source application that allows users to view and save authentication credentials like Kerberos tickets. June 21, 2021 "Golden Ticket attack" is a particularly colorful (if you'll pardon the pun) name for a particularly dangerous attack. Over the last 6 months, I have been researching forged Kerberos tickets, specifically Golden Tickets, Silver Tickets, and TGTs generated by MS14-068 exploit code (a type of Golden Ticket). The krbtgt account NTLM hash can be obtained from the lsass process or from the NTDS.dit file of any DC in the domain. Here's the command line used in Mimikatz: DCSync is a credential dumping technique that can lead to the compromise of user credentials, and, more seriously, can be a prelude to the creation of a Golden Ticket because DCSync can be used to compromise the krbtgt account's password. One of the interesting features in Mimikatz 2.0 is its ability to generate a Kerberos ticket for a domain administrator with a lifetime of 10 years. Kerberos lifetime policy does not have any impact on the golden ticket. A golden ticket is a forged TGT created with a stolen KDC key. It is also possible to get that NTLM through a DCsync . TGTs are used when requesting Ticket Granting Service (TGS) tickets, which means a forged TGT can get us any TGS ticket - hence it's golden. Mimikatz has numerous modules that let attackers perform a variety of tasks on the target endpoint. Creating the golden ticket is now a really simple task. Ldapwiki: Golden Ticket T L;DR: In this blog post we will review what SAML is, how what is old is new again, and how you can start detecting and mitigating SAML attacks. This lab explores an attack on Active Directory Kerberos Authentication. First we list the existing Kerberos tickets, if there is any we can those with the purge command (but it is not necessary) and then we can create the Golden Ticket and pass that. If performed successfully, Golden Ticket attacks enable threat actors to impersonate any user. And what's most disturbing is that these attacks can easily go undetected for years. What is Mimikatz and How Does it Work? - SentinelOne Roger Grimes defined a golden ticket attack back in 2014 not as a Kerberos tickets forging attack, but as a Kerberos Key Distribution Center (KDC) forging attack.
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