MemDumper

Dump Memory Segment From Process Memory and Rebuild So(Elf) Binaries

Changelog

• v0.5:
  • 1. Added Option to Use PID instead of Package Name(Use new Option: -i or --pid)
  • 2. Added 64bit Elf Fixing(Please use 64bit dumper for 64bit processes)
  • 3. Few Things Fixed

Features

• No need of Ptrace
• Bypass Anti Debugging
• Fix and Regenerate Elf Binaries
• Dumping of Lib from Memory of Process
• Auto Dumping With Segment Name
• Manual Dumping With Custom Memory Address
• Support Fast Dumping(May Miss some data due to limitations of syscalls)

How to use

• You can Use latest precompiled Binaries from HERE or You Can build your Own.
• Needs Root Access or Virtual Space
• Get Root Shell through Adb or Terminal Apps(type: 'su') or Normal Shell into Virtual Space via Terminal Apps
• For Usage Help: ./memdumper -h
• For General Usage: ./memdumper -p <option(s)> -o

    Help: ./memdumper -h
    
    MemDumper v0.5 <==> Made By KMODs(kp7742)
    Usage: ./memdumper -p <packageName> <option(s)>
    Dump Memory Segment From Process Memory and Rebuild So(Elf) Libraries
    -l for Library Mode, -m for Manual Dumping Mode, By Default Auto Dumping Mode
    You can use either PID or Package Name, PID given priority over Package Name
     Options:
    --Auto Dump Args-------------------------------------------------------------------------
      -n --name <segment_name>              Segment Name From proc maps
    --Manual Dump Args-----------------------------------------------------------------------
      -m --manual                           Manual Dump Mode for Custom Address
      -n --name <dump_name>                 Dumping File Name
      -s --start <address>                  Starting Address
      -e --end <address>                    Ending Address
    --Lib Dump Args-------------------------------------------------------------------------
      -l --lib                              Dump So(Elf) Library from Memory
      -n --name <lib_name>                  Library Name From proc maps
      -r --raw(Optional)                    Output Raw Lib and Not Rebuild It
    --Other Args----------------------------------------------------------------------------
      -f --fast(Optional)                   Enable Fast Dumping(May Miss Some Bytes in Dump)
      -i --pid <process-id>                 PID of Process
      -p --package <packageName>            Package Name of App
      -o --output <outputPath>              File Output path(Default: /sdcard)
      -h --help                             Display this information
     
  

• For Dumping Libraries

    Dump Library: ./memdumper -p com.dts.freefireth -l -r -n libil2cpp.so -o /sdcard
    Process name: com.dts.freefireth, Pid: 27077
    Base Address of libil2cpp.so Found At b2dc4000
    End Address of libil2cpp.so Found At b60b5000
    Lib Size: 53415936
    Dumped in 25.414995S
  

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

Technlogy Communication

Email: patel.kuldip91@gmail.com