https://blog.msnieman.com/tags/mssql/Recent content in MSSQL on Myles Nieman — BlogHugoen-usThu, 02 Jul 2026 00:00:00 +0000https://blog.msnieman.com/writeups/freelancer/Thu, 02 Jul 2026 00:00:00 +0000https://blog.msnieman.com/writeups/freelancer/An IDOR in a base64-encoded OTP URL allows hijacking an admin account on a freelancer platform, exposing an MSSQL terminal; privilege escalation through MSSQL sysadmin and xp_cmdshell delivers a Defender-evading shell, a plaintext SQL service password leads to the mikasa account, volatility analysis of a memory dump recovers lorra199’s credentials, and BloodHound reveals GenericWrite to a group that permits RBCD — ultimately yielding a domain admin via S4U2Proxy on the DC.https://blog.msnieman.com/writeups/ghost/Thu, 02 Jul 2026 00:00:00 +0000https://blog.msnieman.com/writeups/ghost/LDAP injection on a Next.js intranet leaks a service-account secret that unlocks Gitea; a custom Ghost CMS file-read exposes an RCE dev key; from there, MSSQL linked-server SA impersonation provides a Windows foothold, and a cross-forest Kerberos golden ticket via Mimikatz completes the domain compromise.https://blog.msnieman.com/writeups/overcertified/Mon, 01 Sep 2025 00:00:00 +0000https://blog.msnieman.com/writeups/overcertified/An LDAP service account password stored in its own description field enables BloodHound collection and Kerberoasting of the MSSQLSERVER account; MSSQL access via xp_dirtree captures thomas’s NTLMv2 hash, and as thomas, certipy finds the Auth template vulnerable to ESC1, allowing a certificate-based admin impersonation for domain compromise.