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MODDING TOOLS Il2CppDumper GUI 1.1.3 - With .APK extension for dump automation


Rito

Rito

Administrator
Staff member
Administrator
Seller
Joined
May 2, 2018
Messages
509
Points
93
Device
Galaxy Note 10
Version
8.0
Rooted
Yes
iDevice
iPhone 11 Pro Max
Version
13
Jailbroken
No


Extract .NET metadata from il2cpp binaries. (types, methods, fields, etc.)
Extraction code is based on Il2CppDumper

Requirements:
  1. Net Framework 4
  2. Windows 7 and above
Features:
  1. Select files
  2. Rename files
  3. Set output directory.
  4. Set mode.
  5. Set registration offsets
  6. Auto fill up offset registrations after dump
  7. Drag and drop support
  8. Remember everything except registrations
  9. Logs saves on exit. It saves on your documents if tool is located in C drive.
  10. Works as same as original Il2CppDumper
Changelog:
1.1.3 (2019-09-02)
- Bypass false positive. Gen:Variant.Ursu does not make sense at all.

How to use:
  1. This works as same as original Il2CppDumper but with more advanced features.
  2. Open .apk (Android) or .ipa (iOS) using 7-zip or Winrar.
  3. Extract libil2cpp.so file from ARM or x86 folder (Android) or extract binary file that does not have a file extension (iOS)
  4. Extract global-metadata.dat from \Data\Managed\Metadata\
  5. Select binary file (.so file or iOS binary) and global-metadata.dat file.
  6. Set your output directory
  7. Rename the files if you want
  8. Select your mode. If manual set, you need to imput offsets you found in the binary file.
  9. Press start when you are ready
Extraction Modes
Manual

The parameters (CodeRegistration and MetadataRegistration) that are passed to il2cpp::vm::MetadataCache::Register()needs to be manually reverse engineered and passed to the program.

Auto
Automatically finds the il2cpp_codegen_register() function by signature matching and read out the first (CodeRegistration) and second (MetadataRegistration) parameter passed to the il2cpp::vm::MetadataCache::Register()method that will be invoked in the registration function. May not work well due to compiler optimizations.

Auto(Advanced)
Matches possible pointers in the data section. Generally works better than Auto mode.
Supports metadata version 20 and later (only CodeRegistration address can be found on metadata version 16).

Auto(Plus) - Recommended
Matches possible pointers in the data section with some guidance from global-metadata. Works better than Auto(Advanced)mode on certain binaries.
Supports metadata version 20 and later (only CodeRegistration address can be found on metadata version 16).

Auto(Symbol)
Uses symbols in the il2cpp binary to locate CodeRegistration and MetadataRegistration.
Only supports certain Android ELF files.

Output files
dump.cs

C# pseudocode. Can be viewed in text editors (syntax highlighting recommended)

script.py
Requires IDA and IDAPython. Can be loaded in IDA via File -> Script file.

DummyDll
DLLs generated by Mono.Cecil which contain the .NET metadata extracted from the binary (no code included). Can be viewed in .NET decompilers.

Configuration
All the configuration options are located in config.json Available options:
DumpMethod, DumpField, DumpProperty, DumpAttribute, DumpFieldOffset
Whether or not the program should extract these information
DummyDll
Whether or not the program should generate dummy DLLs
ForceIl2CppVersion, ForceVersion
If ForceIl2CppVersion is true, the program will use the version number specified in ForceVersion to choose parser for il2cpp binaries (does not affect the choice of metadata parser). This may be useful on some older il2cpp version (e.g. the program may need to use v16 parser on ilcpp v20 (Android) binaries in order to work properly)

Common errors
ERROR: Metadata file supplied is not valid metadata file.

The specified global-metadata.dat is invalid and the program cannot recognize it. Make sure you choose the correct file. Sometimes games may obfuscate this file for content protection purposes and so on. Deobfuscating of such files is beyond the scope of this program, so please DO NOT file an issue regarding to deobfuscating.

ERROR: Can't use this mode to process file, try another mode.
Try other extraction modes.

WARNING: Version 16 can only get CodeRegistration
Use the CodeRegistration information to get the MetadataRegistration, then use the manual mode to process the file.
If all automated extraction modes failed with this error and you are sure that the files you supplied are not corrupted/obfuscated, please file an issue with the logs and sample files.




Credits:
Perfare: Perfare/Il2CppDumper
iAndroHacker (GUI)
 
0

If you see a game update, that we do not have the ability to update, please send us the latest Apk package in Rito profile, thanks!

Last edited:
M

mrcas

New member
Joined
Jun 10, 2019
Messages
8
Points
3
Age
34
Location
VN
Hello,

I use II2CppDumper and this program dump DummyDll. How can i recompile the apk? Please help me.
 
linhkaka

linhkaka

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May 20, 2019
Messages
1
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Age
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Location
Việt Nam
không hạ gục
Là một tài tài, hay nói, qua, qua, qua một khác, qua giữ, qua, qua một khác, qua, qua, qua, khi khác mới, khác mới, khi khác mới đăng, mới, mới đăng, mới đăng, mới đăng, mới đăng, mới đăng, mới đăng, mới đăng, mới đăng cam cam
[QUOTE = "mrcas, bài đăng: 363910, thành viên: 110127"]
Xin chào,

Tôi sử dụng II2CppDumper và chương trình này kết xuất DummyDll. Làm thế nào tôi có thể biên dịch lại apk? Làm ơn giúp tôi.
[/TRÍCH DẪN]
 
M

mrcas

New member
Joined
Jun 10, 2019
Messages
8
Points
3
Age
34
Location
VN
Please. Can anyone help me?
 
Rito

Rito

Administrator
Staff member
Administrator
Seller
Joined
May 2, 2018
Messages
509
Points
93
Device
Galaxy Note 10
Version
8.0
Rooted
Yes
iDevice
iPhone 11 Pro Max
Version
13
Jailbroken
No
Update Il2CppDumper GUI 1.1.3
 

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