UE4Dumper: A C++ repository from youngshingjun

UE4Dumper(Unreal Engine 4 Dumper)

Unreal Engine 4 Dumper for Android Devices, Dump Lib libUE4.so from Memory of Game Process and Generate Structure SDK of Supported Game in Android. You can Find Latest Dumped SDK from HERE

Changelog

v0.1: First Release
v0.2: Experimental 64bit Support Added
v0.3:
- 1. Fix Object Iteration Issue during Dumping SDK
- 1. Added Support to Resolve Arrays, Sets and Maps Structure
v0.4:
- 1. Expanded 64bit Support,
- 1. Fixed 64bit Library Rebuilding Not Working
- 1. Added New Elf Dump Fix for 64bit Library
- 1. Added Option to Dump SDK with GWorld
- 1. Updated Usage Text
v0.5: Added Support to Resolve Functions
v0.6:
- 1. Added Support for UE 4.23+ Games for Strings and Objects(Use new Option: --newue)
- 1. Added 64bit Offsets to Fix 64bit Support
- 1. Updated SDK Generation Method for Faster Dumping
- 1. Short Options has been remove due to conflict with new options
v0.7: Fixed Object Dumping issue for PUBG CN(Tested on GP v1.8.10)
v0.8: Fixed 64bit Support for Latest PUBG Version
v0.9: Fixed Dumping issue with 64bit PUBG
v0.10:
- 1. Added Option to View Actors of Main Level(Use new Option: --actors)
- 1. Support for PUBG CN(GP) Fixed(Tested on GP v1.9.10)
- 1. Fixed Some Offsets Issues due to Modified UE4 Versions
- 1. Offsets System Updated to Work with Other games, other then PUBG
v0.11: Fixed Dumping issue with 64bit PUBG Lite
v0.12:
- 1. Fixed Offsets for UE 4.23+ Mode
- 1. Fixed SDK Dumping for UE 4.23+ Mode
- 1. Fixed String Dumping for UE 4.23+ Mode
- 1. Added Offset Support for Apex Legends Mobile
- 1. Added Option to Detour or De-Reference GNames, GUObject Addresses
- 1. Added Option to See Verbose Output of String, Object and SDK Dumping
v0.13:
- 1. Fixed String Reading for Objects for UE 4.23+ Mode
- 1. Fixed SDK Dumping Issue Due to Invalid UStruct
- 1. Added Offset Support for Fortnite Mobile

Features

No need of Ptrace
Bypass Anti Debugging
Dumping of Lib from Memory of Game
Fix and Regenerate So(Elf) File from Dump
Dumping of Game Structure SDK file(Need to Find Pointers Manually)
Support Fast Dumping(Might Miss some data)
Support SDK Dumping for UE4 Based Android Games
Tested on 32bit and 64bit PUBG Mobile Series

Note

Use 32bit and 64bit Version on Respected Arch of Game.
Recommend to use in Training Mode for PUBG Mobile.
Some Games with Modified UE4 Might not Dump Correctly.
For Modified Engines, You May Need Put Your Custom Offsets For That Game.
If it stuck during Generating SDK, Then Simply Stop it, Check Dump file and If needed then Try again.

How to use

You can Use latest precompiled Binaries from HERE or You Can build your Own.
Needs Either Root Access or Virtual Space
Put Executable in folder like /data/local/tmp (/sdcard not allow to execute binary so don't put it there)
Get Either Root Shell through Adb or Terminal Apps(type and run: 'su') or Normal Shell into Virtual Space via Terminal Apps in that folder
Give it executable permission with either 'chmod +x ue4dumper' or 'chmod 755 ue4dumper'

Run './ue4dumper -h' For Usage Help

 ./ue4dumper -h
  
 UE4Dumper v0.13 <==> Made By KMODs(kp7742)
 Usage: ./ue4dumper <option(s)>
 Dump Lib libUE4.so from Memory of Game Process and Generate structure SDK for UE4 Engine
 Tested on PUBG Mobile Series and Other UE4 Based Games
 Options:
 --SDK Dump With GObjectArray Args--------------------------------------------------------
   --sdku                              Dump SDK with GUObject
   --gname <address>                   GNames Pointer Address
   --guobj <address>                   GUObject Pointer Address
 --SDK Dump With GWorld Args--------------------------------------------------------------
   --sdkw                              Dump SDK with GWorld
   --gname <address>                   GNames Pointer Address
   --gworld <address>                  GWorld Pointer Address
 --Dump Strings Args----------------------------------------------------------------------
   --strings                           Dump Strings
   --gname <address>                   GNames Pointer Address
 --Dump Objects Args----------------------------------------------------------------------
   --objs                              Dumping Object List
   --gname <address>                   GNames Pointer Address
   --guobj <address>                   GUObject Pointer Address
 --Lib Dump Args--------------------------------------------------------------------------
   --lib                               Dump libUE4.so from Memory
   --raw(Optional)                     Output Raw Lib and Not Rebuild It
   --fast(Optional)                    Enable Fast Dumping(May Miss Some Bytes in Dump)
 --Show ActorList With GWorld Args--------------------------------------------------------
   --actors                            Show Actors with GWorld
   --gname <address>                   GNames Pointer Address
   --gworld <address>                  GWorld Pointer Address
 --Other Args-----------------------------------------------------------------------------
   --newue(Optional)                   Run in UE 4.23+ Mode
   --verbose(Optional)                 Show Verbose Output of Dumping
   --derefgname(Optional) <true/false> De-Reference GNames Address(Default: true)
   --derefguobj(Optional) <true/false> De-Reference GUObject Address(Default: false)
   --package <packageName>             Package Name of App(Default: com.tencent.ig)
   --output <outputPath>               File Output path(Default: /sdcard)
   --help                              Display this information

How to Build

Clone this repo
Install Android NDK, if not already.
Open Shell/CMD in Project Folder
Drag ndk-build from NDK in Shell or CMD and then Execute
Output will be in libs Folder.

Credits

SoFixer: 32bit So(Elf) Rebuilding
elf-dump-fix: 64bit So(Elf) Rebuilding
UnrealDumper-4.25: UE 4.25+ Support

Technlogy Communication

Email: patel.kuldip91@gmail.com

youngshingjun/UE4Dumper