Developer knowledge network · moderated exchange

UnreliableCode Topluluğu

Geliştirici Araştırması, Tersine Mühendislik ve Kodlama Topluluğu

Knowledge indexCanlı
4Categories
919Threads
2.8KGönderiler
Analysis

Internal vs External Architecture: performance, latency and security trade-offs

vtable_slayer
Senior Reverser
MEMBER
Temsilci: 215
Katılım Tarihi: Mar 2018
Gönderiler: 86
Teşekkürler: 61
1 ay önce · Jul 7, 2026 7:31 AM
#1

Comparing Internal vs External modding architectures in modern games:

Internal (DLL Injection / VMT Hooks):

  • Pros: Direct memory access (sub-nanosecond pointer dereference), native hook execution on game threads, zero IPC latency.
  • Cons: Code exists within game process space, subject to memory page audits and integrity scans.

External (Separate Process / Kernel / DMA):

  • Pros: Completely isolated process address space, zero modified code in game binary.
  • Cons: Requires IPC synchronization, memory read latency (0.1 - 2.0 microseconds), requires external overlay rendering.

Which architecture do you prefer for your projects?

dma_ghost
DMA Guru
MEMBER
Temsilci: 115
Katılım Tarihi: Jan 2020
Gönderiler: 12
Teşekkürler: 83
1 ay önce · Jul 7, 2026 9:30 AM
#2

For single-player games and private servers, internal is unbeatable for instant hooks. For kernel-protected competitive games, external DMA is the only long-term route.

hook_doctor
Hooking Specialist
MEMBER
Temsilci: 181
Katılım Tarihi: Jul 2019
Gönderiler: 21
Teşekkürler: 50
1 ay önce · Jul 7, 2026 8:28 PM
#3

Great summary of the trade-offs.