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Insights and research from our global cybersecurity team.

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Stepping Stones – A Red Team Activity Hub

Executive Summary NCC Group is pleased to open source a new tool built to help Red Teams log their activity for later correlation with the Blue Team’s own logging. What started as a simple internal web based data-collection tool has grown to integrate with Cobalt Strike and BloodHound to improve the accuracy and ease of […]


Pumping Iron on the Musl Heap – Real World CVE-2022-24834 Exploitation on an Alpine mallocng Heap

Pumping Iron on the Musl Heap – Real World CVE-2022-24834 Exploitation on an Alpine mallocng Heap Lua 5.1 Musl’s Next Generation Allocator – aka mallocng mallocng Cycling Offset Exploiting CVE-2022-24834 on the mallocng heap mallocng Heap Shaping Ensuring Correct Target Table->Array Distance Lua Table Confusion redis-server/libc ASLR Bypass and Code Execution Conclusion Resources Tools This […]