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HackTheBox - NanoCorp Writeup (Protected)

Created2025-11-09|Updated2025-11-16|HackTheBox
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Author: 0pwn0
Link: https://0pwn0.github.io/2025/11/09/HackTheBox-NanoCorp-WriteUp/
Copyright Notice: All articles on this blog are licensed under CC BY-NC-SA 4.0 unless otherwise stated.
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ESC15 Offensive Deep-Dive Cheatsheet 2025 - Vietnamese Language
ESC15 (aka EKUwu, CVE-2024-49019) là vector escalate nhanh nhất trong ADCS chain hiện tại nếu gặp V1 template. Nó khai thác việc V1 templates KHÔNG validate Application Policies (OID 1.3.6.1.4.1.311) trong CSR, cho phép inject arbitrary EKU/OID (như Certificate Request Agent hoặc Client Auth) để override EKU gốc (thường chỉ Server Auth). Kết quả: Low-priv user → impersonate DA/krbtgt → dump NTLM hash/DCSync trong <60s. Tại sao OP? Dễ hơn ESC1 (không cần pre-existing Clien...
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Về thông tin Thông tin chung IP Address : 10.10.11.70 Hệ điều hành (Distribution) Microsoft Windows Server 2022 Standard Kernel OS Version 10.0.20348 N/A Build 20348 Phần mềm Web Server và Version Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP) Port Available 53, 88, 111, 135, 139, 389, 445, 464, 593, 636, 2049, 3260, 3268, 3269, 5985 Enumeration (Thu thập dữ liệu)1As is common in real life pentests, you will start the Puppy box with credentials for the following account: lev...
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