Tag: DerbyCon

Nov 17

How Attackers Use Kerberos Silver Tickets to Exploit Systems

Usually Golden Tickets (forged Kerberos TGTs) get all the press, but this post is about Silver Tickets and how attackers use them to exploit systems. I have talked about how Silver Tickets can be used to persist and even re-exploit an Active Directory enterprise in presentations at security conferences this year. This post continues this …

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Sep 25

Sneaky Active Directory Persistence #15: Leverage AdminSDHolder & SDProp to (Re)Gain Domain Admin Rights

The content in this post describes a method by which an attacker could persist administrative access to Active Directory after having Domain Admin level rights for 5 minutes. I presented on this AD persistence method at DerbyCon (2015). Complete list of Sneaky Active Directory Persistence Tricks posts AdminSDHolder Overview AdminSDHolder is an object located in …

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Sep 25

Sneaky Active Directory Persistence #13: DSRM Persistence v2

The content in this post describes a method by which an attacker could persist administrative access to Active Directory after having Domain Admin level rights for 5 minutes. I presented on this AD persistence method at DerbyCon (2015). I also presented and posted on DSRM as a persistence method previously. Complete list of Sneaky Active …

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