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What are pass-the-ticket attacks?
Pass-the-Ticket attacks are a category of post-exploitation attacks involving the theft and re-use of a Kerberos ticket to authenticate to systems in a compromised environment. Once an attacker is on a system, they will attempt to elevate privileges to get access to tickets stored in other Active Directory sessions.
What’s the difference between pass the hash and pass-the-ticket?
One primary difference between pass-the-hash and pass-the-ticket, is that Kerberos TGT tickets expire (10 hours by default) whereas NTLM hashes only change when the user changes their password. So a TGT ticket must be used within its lifetime, or it can be renewed for a longer period of time (7 days).
What is ticket hijacking?
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What is a golden ticket attack?
A Golden Ticket attack is a kind of cyberattack targeting the access control privileges of a Windows environment where Active Directory (AD) is in use. In a golden ticket attack, adversaries use Kerberos tickets to take over the key distribution service of a legitimate user.
What is the difference between Kerberos and LDAP?
LDAP and Kerberos together make for a great combination. Kerberos is used to manage credentials securely (authentication) while LDAP is used for holding authoritative information about the accounts, such as what they’re allowed to access (authorization), the user’s full name and uid.
What is Rubeus cyber?
Rubeus is a C# toolset for raw Kerberos interaction and abuses. It is heavily adapted from Benjamin Delpy’s Kekeo project (CC BY-NC-SA 4.0 license) and Vincent LE TOUX’s MakeMeEnterpriseAdmin project (GPL v3. 1 parsing/encoding library from Thomas Pornin named DDer that was released with an “MIT-like” license.
What Kerberos attacks?
Combining privileged accounts with attacks on the Kerberos authentication in Windows domains raises the stakes of the cyber threat. During such attacks, threat actors target domain administrator privileges, which provide unrestricted access and control of the IT landscape.
How a golden ticket is granted?
A Golden Ticket attack is when an attacker has complete and unrestricted access to an entire domain — all computers, files, folders, and most importantly, the access control system itself.
Is Kerberos more secure than LDAP?
In short, as an authentication protocol Kerberos is far more secure out of the box, is de-centralized, and will put less load on your Directory authentication servers than LDAP will.
What is the purpose of pass the ticket?
Pass-the-Ticket Active Directory Credential Theft Defense Evasion Kerberos Lateral Movement Pass-the-ticket is a credential theft technique that enables adversaries to use stolen Kerberos tickets to authenticate to resources (e.g. file shares and other computers) as a user without compromising that user’s password.
How does a pass the ticket attack work?
In Pass-the-Ticket attacks, adversaries steal a Kerberos ticket from one computer and re-use it to get access to another computer in a compromised environment. Within Active Directory, a Ticket Granting Ticket (TGT) provides proof that a user is who they say they are.
How does pass the ticket work in Kerberos?
Active Directory Credential Theft Defense Evasion Kerberos Lateral Movement Pass-the-ticket is a credential theft technique that enables adversaries to use stolen Kerberos tickets to authenticate to resources (e.g. file shares and other computers) as a user without compromising that user’s password.
What can an adversary do with pass the ticket?
With administrative privileges, an adversary can dump the LSASS process and obtain all TGTs and TGS tickets cached on the system. In pass-the-ticket, an attacker…