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Anyone still messing with the ancient engine of APB?
I have seen a few people struggling lately while trying to pull the GWorld pointer from the game's memory. If you are dumping the process with x64dbg and throwing it into IDA Pro only to find garbage data or invalid offsets, you are likely hitting a wall with how the game maps memory or how it handles initialization under protection.
Technical Hurdles with APB Reversing:
Troubleshooting the Dump:
Instead of a raw memory dump, try using Scylla to reconstruct the imports properly. If your GNames and GObjects are returning valid strings but GWorld is still null, you might be looking at a multi-level pointer or a dynamic offset that requires a different sig-scanning approach.
Make sure you are analyzing the dump in the context of the correct module base. In my experience, invalid offsets are usually a symptom of a bad dump rather than a failure of the IDA auto-analysis.
Who else is still reversing this dinosaur? Anyone got an updated pattern for the latest build?
I have seen a few people struggling lately while trying to pull the GWorld pointer from the game's memory. If you are dumping the process with x64dbg and throwing it into IDA Pro only to find garbage data or invalid offsets, you are likely hitting a wall with how the game maps memory or how it handles initialization under protection.
Technical Hurdles with APB Reversing:
- APB Reloaded utilizes a heavily modified version of Unreal Engine 3. Standard UE3 signatures for GWorld often fail or point to invalid memory regions.
- If you dump the process while Easy Anti-Cheat is active or even partially initialized, certain sections might be encrypted or stripped, leading to the corruption you see in IDA.
- Check your image base. If your dump does not account for the correct entry point or relocations, every offset you find will be shifted and look like junk.
Troubleshooting the Dump:
Instead of a raw memory dump, try using Scylla to reconstruct the imports properly. If your GNames and GObjects are returning valid strings but GWorld is still null, you might be looking at a multi-level pointer or a dynamic offset that requires a different sig-scanning approach.
Code:
Common GWorld Sig Pattern: 48 8B 1D ? ? ? ? 48 85 DB 74 33Make sure you are analyzing the dump in the context of the correct module base. In my experience, invalid offsets are usually a symptom of a bad dump rather than a failure of the IDA auto-analysis.
Who else is still reversing this dinosaur? Anyone got an updated pattern for the latest build?
