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Description

A pure ruby implementation of win32 PE binary files dumper.

Supported formats:

  • DOS MZ EXE
  • win16 NE
  • win32 PE
  • win64 PE

Can dump:

  • MZ/NE/PE Header
  • DOS stub
  • 'Rich' Header
  • Data Directory
  • Sections
  • Resources
  • Strings
  • Imports & Exports
  • VS_VERSIONINFO parsing
  • PE Packer/Compiler detection
  • a convenient way to upload your PE's to http://pedump.me for a nice HTML tables with image previews, candies & stuff

Installation

gem install pedump

Usage

# pedump -h

Usage: pedump [options]
        --version                    Print version information and exit
    -v, --verbose                    Run verbosely
                                     (can be used multiple times)
    -q, --quiet                      Silent any warnings
                                     (can be used multiple times)
    -F, --force                      Try to dump by all means
                                     (can cause exceptions & heavy wounds)
    -f, --format FORMAT              Output format: bin,c,dump,hex,inspect,table,yaml
                                     (default: table)
        --mz
        --dos-stub
        --rich
        --pe
        --ne
        --data-directory
    -S, --sections
        --tls
        --security
    -s, --strings
    -R, --resources
        --resource-directory
    -I, --imports
    -E, --exports
    -V, --version-info
        --packer
        --deep                       packer deep scan, significantly slower
    -P, --packer-only                packer/compiler detect only,
                                     mimics 'file' command output
    -r, --recursive                  recurse dirs in packer detect
        --all                        Dump all but resource-directory (default)
        --va2file VA                 Convert RVA to file offset
    -W, --web                        Uploads files to a http://pedump.me
                                     for a nice HTML tables with image previews,
                                     candies & stuff

MZ Header

# pedump --mz calc.exe

=== MZ Header ===

                     signature:                     "MZ"
           bytes_in_last_block:        144          0x90
                blocks_in_file:          3             3
                    num_relocs:          0             0
             header_paragraphs:          4             4
          min_extra_paragraphs:          0             0
          max_extra_paragraphs:      65535        0xffff
                            ss:          0             0
                            sp:        184          0xb8
                      checksum:          0             0
                            ip:          0             0
                            cs:          0             0
            reloc_table_offset:         64          0x40
                overlay_number:          0             0
                     reserved0:          0             0
                        oem_id:          0             0
                      oem_info:          0             0
                     reserved2:          0             0
                     reserved3:          0             0
                     reserved4:          0             0
                     reserved5:          0             0
                     reserved6:          0             0
                        lfanew:        232          0xe8

DOS stub

# pedump --dos-stub calc.exe

=== DOS STUB ===

00000000:  0e 1f ba 0e 00 b4 09 cd  21 b8 01 4c cd 21 54 68  |........!..L.!Th|
00000010:  69 73 20 70 72 6f 67 72  61 6d 20 63 61 6e 6e 6f  |is program canno|
00000020:  74 20 62 65 20 72 75 6e  20 69 6e 20 44 4f 53 20  |t be run in DOS |
00000030:  6d 6f 64 65 2e 0d 0d 0a  24 00 00 00 00 00 00 00  |mode....$.......|

'Rich' Header

# pedump --rich calc.exe

=== RICH Header ===

    LIB_ID        VERSION        TIMES_USED   
   149  95      21022  521e         9   9
     1   1          0     0       367 16f
   147  93      21022  521e        29  1d
   132  84      21022  521e       129  81
   131  83      21022  521e        25  19
   148  94      21022  521e         1   1
   145  91      21022  521e         1   1

PE Header

# pedump --pe calc.exe

=== PE Header ===

                     signature:             "PE\x00\x00"

# IMAGE_FILE_HEADER:
                       Machine:        332         0x14c  x86
              NumberOfSections:          4             4
                 TimeDateStamp:    "2008-09-14 07:28:52"
          PointerToSymbolTable:          0             0
               NumberOfSymbols:          0             0
          SizeOfOptionalHeader:        224          0xe0
               Characteristics:        258         0x102  EXECUTABLE_IMAGE, 32BIT_MACHINE

# IMAGE_OPTIONAL_HEADER32:
                         Magic:        267         0x10b  32-bit executable
                 LinkerVersion:                      9.0
                    SizeOfCode:     305664       0x4aa00
         SizeOfInitializedData:     340480       0x53200
       SizeOfUninitializedData:          0             0
           AddressOfEntryPoint:     230155       0x3830b
                    BaseOfCode:       4096        0x1000
                    BaseOfData:     311296       0x4c000
                     ImageBase:   16777216     0x1000000
              SectionAlignment:       4096        0x1000
                 FileAlignment:        512         0x200
        OperatingSystemVersion:                      5.1
                  ImageVersion:                    5.256
              SubsystemVersion:                      5.1
                     Reserved1:          0             0
                   SizeOfImage:     659456       0xa1000
                 SizeOfHeaders:       1024         0x400
                      CheckSum:     690555       0xa897b
                     Subsystem:          2             2  WINDOWS_GUI
            DllCharacteristics:      33088        0x8140  DYNAMIC_BASE, NX_COMPAT
                                                          TERMINAL_SERVER_AWARE
            SizeOfStackReserve:     262144       0x40000
             SizeOfStackCommit:       8192        0x2000
             SizeOfHeapReserve:    1048576      0x100000
              SizeOfHeapCommit:       4096        0x1000
                   LoaderFlags:          0             0
           NumberOfRvaAndSizes:         16          0x10

Data Directory

# pedump --data-directory calc.exe

=== DATA DIRECTORY ===

  EXPORT        rva:0x       0   size:0x        0
  IMPORT        rva:0x   49c1c   size:0x      12c
  RESOURCE      rva:0x   51000   size:0x    4ab07
  EXCEPTION     rva:0x       0   size:0x        0
  SECURITY      rva:0x       0   size:0x        0
  BASERELOC     rva:0x   9c000   size:0x     3588
  DEBUG         rva:0x    1610   size:0x       1c
  ARCHITECTURE  rva:0x       0   size:0x        0
  GLOBALPTR     rva:0x       0   size:0x        0
  TLS           rva:0x       0   size:0x        0
  LOAD_CONFIG   rva:0x    3d78   size:0x       40
  Bound_IAT     rva:0x     280   size:0x      12c
  IAT           rva:0x    1000   size:0x      594
  Delay_IAT     rva:0x   49bac   size:0x       40
  CLR_Header    rva:0x       0   size:0x        0
                rva:0x       0   size:0x        0

Sections

# pedump --sections calc.exe

=== SECTIONS ===

  NAME          RVA      VSZ   RAW_SZ  RAW_PTR  nREL  REL_PTR nLINE LINE_PTR     FLAGS
  .text        1000    4a99a    4aa00      400     0        0     0        0  60000020  R-X CODE
  .data       4c000     431c     3000    4ae00     0        0     0        0  c0000040  RW- IDATA
  .rsrc       51000    4ab07    4ac00    4de00     0        0     0        0  40000040  R-- IDATA
  .reloc      9c000     41f6     4200    98a00     0        0     0        0  42000040  R-- IDATA DISCARDABLE

Resources

# pedump --resources calc.exe

=== RESOURCES ===

FILE_OFFSET    CP  LANG     SIZE  TYPE          NAME
    0x4ec84     0 0x409     7465  IMAGE         #157
    0x509b0     0 0x409     4086  IMAGE         #165
    0x519a8     0 0x409     4234  IMAGE         #170
    0x52a34     0 0x409     4625  IMAGE         #175
    0x53c48     0 0x409     4873  IMAGE         #180
    0x54f54     0 0x409     3048  IMAGE         #204
    0x55b3c     0 0x409     3052  IMAGE         #208
    0x56728     0 0x409     3217  IMAGE         #212
    0x573bc     0 0x409     3338  IMAGE         #216
    0x580c8     0 0x409     4191  IMAGE         #217
    0x59128     0 0x409     4229  IMAGE         #218
    0x5a1b0     0 0x409     4110  IMAGE         #219
    0x5b1c0     0 0x409     4065  IMAGE         #220
    0x5c1a4     0 0x409     3235  IMAGE         #961
    0x5ce48     0 0x409      470  IMAGE         #981
    0x5d020     0 0x409      587  IMAGE         #982
    0x5d26c     0 0x409      518  IMAGE         #983
    0x5d474     0 0x409     5344  IMAGE         #3000
    0x5e954     0 0x409     4154  IMAGE         #3015
    0x5f990     0 0x409     4815  IMAGE         #3045
    0x60c60     0 0x409     6038  IMAGE         #3051
    0x623f8     0 0x409     4290  IMAGE         #3060
...

Strings

# pedump --strings calc.exe.mui

=== STRINGS ===

   ID    ID  LANG  STRING
    0     0   409  "+/-"
    1     1   409  "C"
    2     2   409  "CE"
    3     3   409  "Backspace"
    4     4   409  "."
    6     6   409  "And"
    7     7   409  "Or"
    8     8   409  "Xor"
    9     9   409  "Lsh"
   10     a   409  "Rsh"
   11     b   409  "/"
   12     c   409  "*"
   13     d   409  "+"
   14     e   409  "-"
   15     f   409  "Mod"
   16    10   409  "R"
   17    11   409  "^"
   18    12   409  "Int"
   19    13   409  "RoL"
   20    14   409  "RoR"
   21    15   409  "Not"
   22    16   409  "sin"
...

Imports

# pedump --imports zlib.dll

=== IMPORTS ===

MODULE_NAME      HINT   ORD  FUNCTION_NAME
KERNEL32.dll       e1        GetLastError
KERNEL32.dll      153        HeapAlloc
KERNEL32.dll      159        HeapFree
KERNEL32.dll       9f        GetCommandLineA
KERNEL32.dll      103        GetProcAddress
KERNEL32.dll       eb        GetModuleHandleA
KERNEL32.dll      137        GetVersion
KERNEL32.dll      164        InitializeCriticalSection
KERNEL32.dll       44        DeleteCriticalSection
KERNEL32.dll       4f        EnterCriticalSection
KERNEL32.dll      177        LeaveCriticalSection
KERNEL32.dll      1fa        SetHandleCount
KERNEL32.dll       dc        GetFileType
KERNEL32.dll      116        GetStdHandle
KERNEL32.dll      114        GetStartupInfoA
KERNEL32.dll      155        HeapCreate
KERNEL32.dll      157        HeapDestroy
KERNEL32.dll       c7        GetCurrentThreadId
KERNEL32.dll      222        TlsSetValue
KERNEL32.dll      21f        TlsAlloc
KERNEL32.dll      220        TlsFree
KERNEL32.dll      1fd        SetLastError
KERNEL32.dll      221        TlsGetValue
KERNEL32.dll       62        ExitProcess
KERNEL32.dll      1b8        ReadFile
KERNEL32.dll       16        CloseHandle
KERNEL32.dll      24f        WriteFile
KERNEL32.dll       83        FlushFileBuffers
KERNEL32.dll       e9        GetModuleFileNameA
KERNEL32.dll       98        GetCPInfo
KERNEL32.dll       92        GetACP
KERNEL32.dll       f6        GetOEMCP
KERNEL32.dll       8b        FreeEnvironmentStringsA
KERNEL32.dll       d0        GetEnvironmentStrings
KERNEL32.dll       8c        FreeEnvironmentStringsW
KERNEL32.dll       d2        GetEnvironmentStringsW
KERNEL32.dll      242        WideCharToMultiByte
KERNEL32.dll       2b        CreateFileA
KERNEL32.dll      1f8        SetFilePointer
KERNEL32.dll      206        SetStdHandle
KERNEL32.dll      178        LoadLibraryA
KERNEL32.dll      1ef        SetEndOfFile

Exports

# pedump --exports zlib.dll

=== EXPORTS ===

# module "zlib.dll"
# flags=0x0  ts="1996-05-07 08:46:46"  version=0.0  ord_base=1
# nFuncs=27  nNames=27

  ORD ENTRY_VA  NAME
    1     76d0  adler32
    2     2db0  compress
    3     4aa0  crc32
    4     3c90  deflate
    5     4060  deflateCopy
    6     3fd0  deflateEnd
    7     37f0  deflateInit2_
    8     37c0  deflateInit_
    9     3bc0  deflateParams
    a     3b40  deflateReset
    b     3a40  deflateSetDictionary
    c     7510  gzclose
    d     6f00  gzdopen
    e     75a0  gzerror
    f     73f0  gzflush
   10     6c50  gzopen
   11     7190  gzread
   12     7350  gzwrite
   13     4e50  inflate
   14     4cc0  inflateEnd
   15     4d20  inflateInit2_
   16     4e30  inflateInit_
   17     4c70  inflateReset
   18     5260  inflateSetDictionary
   19     52f0  inflateSync
   1a     4bd0  uncompress
   1b     e340  zlib_version

VS_VERSIONINFO parsing

# pedump --version-info calc.exe

=== VERSION INFO ===

# VS_FIXEDFILEINFO:
  FileVersion         :  6.1.6801.0
  ProductVersion      :  6.1.6801.0
  StrucVersion        :  0x10000
  FileFlagsMask       :  0x3f
  FileFlags           :  0
  FileOS              :  0x40004
  FileType            :  1
  FileSubtype         :  0

# StringTable 040904B0:
  CompanyName         :  "Microsoft Corporation"
  FileDescription     :  "Windows Calculator"
  FileVersion         :  "6.1.6801.0 (winmain_win7m3.080913-2030)"
  InternalName        :  "CALC"
  LegalCopyright      :  "© Microsoft Corporation. All rights reserved."
  OriginalFilename    :  "CALC.EXE"
  ProductName         :  "Microsoft® Windows® Operating System"
  ProductVersion      :  "6.1.6801.0"

  VarFileInfo         :  [ 0x409, 0x4b0 ]

Packer / Compiler detection

# pedump --packer zlib.dll

=== Packer / Compiler ===

  MS Visual C v2.0

pedump can mimic 'file' command output:

#pedump --packer-only -qqq samples/*

samples/StringLoader.dll:                 Microsoft Visual C++ 6.0 DLL (Debug)
samples/control.exe:                      ASPack v2.12
samples/gms_v1_0_3.exe:                   UPX 2.90 [LZMA] (Markus Oberhumer, Laszlo Molnar & John Reiser)
samples/unpackme.exe:                     ASProtect 1.33 - 2.1 Registered (Alexey Solodovnikov)
samples/zlib.dll:                         Microsoft Visual C v2.0

License

Released under the MIT License. See the LICENSE file for further details.

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