What is impersonate privilege?
Inappropriate granting of user rights can provide system, administrative, and other high level capabilities. The “Impersonate a client after authentication” user right allows a program to impersonate another user or account to run on their behalf. An attacker could potentially use this to elevate privileges.
How do I impersonate a user in C#?
var credentials = new UserCredentials(domain, username, password); var result = Impersonation. RunAsUser(credentials, logonType, () => { // do whatever you want as this user. return something; });
What is SeIncreaseWorkingSetPrivilege?
SeIncreaseWorkingSetPrivilege. Increase a process working set. Required to call SetProcessWorkingSetSize to increase the minimum working set. This indirectly allows the process to lock up to the minimum working set of memory using VirtualLock.
What does it mean to impersonate someone in SQL Server?
SQL Server Impersonation. SQL Server impersonation, or context switching, is a means to allow the executing user to assume the permissions of a given user or login until the context is set back, set to yet another user, or the session is ended.
What does it mean to impersonate a client?
Impersonation is designed to meet the security requirements of client/server applications. When running in a client’s security context, a service “is” the client, to some degree. One of the service’s threads uses an access token representing the client’s credentials to obtain access to the objects to which the client has access.
Can a attacker impersonate a client after authentication?
An attacker with the Impersonate a client after authentication user right could create a service, mislead a client into connecting to the service, and then impersonate that computer to elevate the attacker’s level of access to that of the device.
What do I need to know about SQL Server service accounts?
SQL Server service accounts must have access to resources. Access control lists are set for the per-service SID or the local Windows group. For failover cluster installations, resources on shared disks must be set to an ACL for a local account.