iiinova — where your digital self keeps evolving

Clément Notin @cnotin.bsky.social · 02/06/2025

🤔 We have answers to your questions on #BadSuccessor, the latest AD vulnerability www.tenable.com/blog/frequen... 🕵️ Tenable Identity Exposure customers can check their exposure with our recently released Indicator of Exposure (IoE): www.tenable.com/indicators/i...

tenable.com

Frequently Asked Questions About BadSuccessor

Frequently asked questions about “BadSuccessor,” a zero-day privilege escalation vulnerability in Active Directory domains with at least one Windows Server 2025 domain controller.

000

Clément Notin @cnotin.bsky.social · 24/04/2025

Microsoft hardened the Entra ID synchronization feature last year: - restricted permissions on Directory Synchronization Accounts role - new dedicated sync app Let’s find out how sync still works 🔍 Some old tricks persist—and new ones have emerged 💥 tenable.com/blog/despite... 🧵

tenable.com

Despite Recent Security Hardening, Entra ID Synchronization Feature Remains Open for Abuse

Microsoft synchronization capabilities for managing identities in hybrid environments are not without their risks. In this blog, Tenable Research explores how potential weaknesses in these synchroniza...

101

Clément Notin @cnotin.bsky.social · 24/03/2025

🎥 Here's the recording of last week's webinar where I shared how to protect Entra ID from real-world attacks 🏴‍☠️, beginning with federation backdoors/privesc, using Tenable Identity Exposure

010

Clément Notin @cnotin.bsky.social · 23/12/2024

You know how some system AD attributes cannot be edited even when Domain Admin? "Error 0x20B1 The attribute cannot be modified because it is owned by the system." This can be bypassed using the schemaUpgradeInProgress modify operation learn.microsoft.com/en-us/opensp... 😉⬇️

learn.microsoft.com

[MS-ADTS]: schemaUpgradeInProgress

This operation causes the fschemaUpgradeInProgress field of LDAPConnection instances in dc.LDAPConnections ([MS-DRSR]

120