Threat Research

Identity Attack Watch: June 2022

Identity Attack Watch: June 2022

  • Semperis Research Team

Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…

Identity Attack Watch: May 2022

Identity Attack Watch: May 2022

  • Semperis Research Team

Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…

Revisiting the Colonial Pipeline Cyberattack, One Year Later

Revisiting the Colonial Pipeline Cyberattack, One Year Later

  • Semperis Team

The Colonial Pipeline cyberattack in May 2021 ranks as one of the top critical infrastructure attacks to date. At the time, Semperis Director of Services Sean Deuby predicted that the ransomware-as-a-service (RaaS) attack was an “implication of what is to come … open season on infrastructure providers.” One year later,…

Identity Attack Watch: April 2022

Identity Attack Watch: April 2022

  • Semperis Research Team

Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against cyberattacks targeting Active Directory, the Semperis Research Team offers this monthly roundup of recent attacks that used…

Identity Attack Watch: March 2022

Identity Attack Watch: March 2022

  • Semperis Research Team

Cyberattacks targeting Active Directory (AD) are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used…

gMSA Active Directory Attacks

gMSA Active Directory Attacks

  • Yuval Gordon

This article introduces a new attack targeting Group Managed Service Accounts (gMSA), dubbed the "Golden GMSA" attack, allowing attackers to dump Key Distribution Service (KDS) root key attributes and then generate the password for all the associated gMSAs offline.  TL;DR An attacker with high privileges can obtain all the ingredients…

Identity Attack Watch: February 2022

Identity Attack Watch: February 2022

  • Semperis Research Team

Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…

SPN-jacking: An Edge Case in WriteSPN Abuse

SPN-jacking: An Edge Case in WriteSPN Abuse

  • Elad Shamir

Some people are a hammer in search of a nail, but I'm a hammer in search of Kerberos delegation. So, when I heard that a WriteSPN edge was introduced to BloodHound 4.1, I started exploring alternative abuse techniques beyond targeted Kerberoasting, and I found an edge case (pun intended) that…