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日期:2011-03-22 13:55:00  来源:本站整理

<b>PE文件格局解析心得</b>[VC/C++编程]

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PE文件格局近来仿佛炒得沸沸扬扬,由于我正在做一个这样的程序,干脆将自己的心得写出来与大家同享.

PE文件头分两大部份:

1:DOS ‘MZ’ HEADER

2:IMAGE_NT_HEADERS

此中IMAGE_NT_HEADERS中包含

PE signature

IMAGE_FILE_HEADER

IMAGE_OPTIONAL_HEADER(此中包含Data Direcotry)

文件头后紧随着为

Section Table (array of IMAGE_SECTION_HEADERs)

在DELPHI的windows.pad中已经有定义的有:

TImageDosHeader;

TImageNtHeaders;

TImageSectionHeader; { size of TIm..der is $28 }

定义变量后按住Ctrl可以察看具体的项目,这里我就不多说了,这方面的东西也很多.

而其他的如TImageResourceDirectory等,在DELPHI中却没有定义,察看其他资料,我在这里给出他们的构造和简单阐明:

以下是我写的PEDump.exe的范例阐明:

type
  PIMAGE_RESOURCE_DIRECTORY = ^TImageResourceDirectory;
  _IMAGE_RESOURCE_DIRECTORY = packed record
   Characteristics:DWORD;
   TimeDateStamp:DWORD;
   MajorVersion:WORD;
   MinorVersion:WORD;
   NumberOfNamedEntries:WORD;
   NumberOfIdEntries:WORD;
  end;
  TImageResourceDirectory = _IMAGE_RESOURCE_DIRECTORY;
  { 资源目录的格局阐明 }
  PIMAGE_RESOURCE_DIRECTORY_ENTRY = ^TImageResourceDirectoryEntry;
  _IMAGE_RESOURCE_DIRECTORY_ENTRY = packed record
   Name:DWORD;     { NameOffset:31,NameIsString:1 }
//  Id:WORD;
   OffsetToData:DWORD; { OffsetToDirectory:31,DataIsDirectory:1 }
  end;
  TImageResourceDirectoryEntry = _IMAGE_RESOURCE_DIRECTORY_ENTRY;
  { 资源目录进入点的格局阐明 }
  PIMAGE_RESOURCE_DIRECTORY_STRING = ^TImageResourceDirectoryString;
  _IMAGE_RESOURCE_DIRECTORY_STRING = packed record
   Length:WORD;
   NameString:CHAR;
  end;
  TImageResourceDirectoryString = _IMAGE_RESOURCE_DIRECTORY_STRING;
  { 资源目录名的格局阐明 }
  PIMAGE_RESOURCE_DIR_STRING_U = ^TImageResourceDirStringU;
  _IMAGE_RESOURCE_DIR_STRING_U = packed record
   Length:WORD;
   NameString:WCHAR;
  end;
  TImageResourceDirStringU = _IMAGE_RESOURCE_DIR_STRING_U;
  { unicode情势的资源目录名的格局阐明 }
  PIMAGE_RESOURCE_DATA_ENTRY = ^TImageResourceDataEntry;
  _IMAGE_RESOURCE_DATA_ENTRY = packed record
   OffsetToData:DWORD;
   Size:DWORD;
   CodePage:DWORD;
   Reserved:DWORD;
  end;
  TImageResourceDataEntry = _IMAGE_RESOURCE_DATA_ENTRY;
  { 资源目录数据进入点的格局阐明 }
const
  IMAGE_RESOURCE_NAME_IS_STRING = $80000000;
  { 检测TImageResourceDirectoryEntry.Name的最高为能否设立,
   是则阐明剩下的31位指向IMAGE_RESOURCE_DIR_STRING_U的偏移,
   不然阐明剩下的31位为一个整数ID. }
  IMAGE_RESOURCE_DATA_IS_DIRECTORY = $80000000;
  { 检测TImageResourceDirectoryEntry.OffsetToData的最高为能否设立,
   是则阐明剩下的31位指向另一个IMAGE_RESOURCE_DIRECTORY的偏移,
   不然阐明剩下的31位指向IMAGE_RESOURCE_DATA_ENTRY的偏移. }
  { 以下是文件属性具体值常量阐明 }
  { File Characteristics }
  IMAGE_FILE_RELOCS_STRIPPED      = $0001; // Relocation info stripped from file.
  IMAGE_FILE_EXECUTABLE_IMAGE     = $0002; // File is executable.
  IMAGE_FILE_LINE_NUMS_STRIPPED    = $0004; // Line nunbers stripped from file.
  IMAGE_FILE_LOCAL_SYMS_STRIPPED    = $0008; // Local symbols stripped from file.
  IMAGE_FILE_AGGRESIVE_WS_TRIM     = $0010; // Agressively trim working set
  IMAGE_FILE_LARGE_ADDRESS_AWARE    = $0020; // App can handle >2gb addresses
  IMAGE_FILE_BYTES_REVERSED_LO     = $0080; // Bytes of machine word are reversed.
  IMAGE_FILE_32BIT_MACHINE       = $0100; // 32 bit word machine.
  IMAGE_FILE_DEBUG_STRIPPED      = $0200; 
  // Debugging info stripped from file in .DBG file
  IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP  = $0400; 
  // If Image is on removable media, copy and run from the swap file.
  IMAGE_FILE_NET_RUN_FROM_SWAP     = $0800; 
  // If Image is on Net, copy and run from the swap file.
  IMAGE_FILE_SYSTEM          = $1000; // System File.
  IMAGE_FILE_DLL            = $2000; // File is a DLL.
  IMAGE_FILE_UP_SYSTEM_ONLY      = $4000; // File should only be run on a UP machine
  IMAGE_FILE_BYTES_REVERSED_HI     = $8000; // Bytes of machine word are reversed.
  { 以下是文件头机械属性值的具体阐明 }
  { Machine }
  IMAGE_FILE_MACHINE_UNKNOWN      = $0;
  IMAGE_FILE_MACHINE_I386       = $014c; // Intel 386.
  IMAGE_FILE_MACHINE_R3000       = $0162; // MIPS little-endian, $160 big-endian
  IMAGE_FILE_MACHINE_R4000       = $0166; // MIPS little-endian
  IMAGE_FILE_MACHINE_R10000      = $0168; // MIPS little-endian
  IMAGE_FILE_MACHINE_WCEMIPSV2     = $0169; // MIPS little-endian WCE v2
  IMAGE_FILE_MACHINE_ALPHA       = $0184; // Alpha_AXP
  IMAGE_FILE_MACHINE_SH3        = $01a2; // SH3 little-endian
  IMAGE_FILE_MACHINE_SH3E       = $01a4; // SH3E little-endian
  IMAGE_FILE_MACHINE_SH4        = $01a6; // SH4 little-endian
  IMAGE_FILE_MACHINE_SH5        = $01a8; // SH5
  IMAGE_FILE_MACHINE_ARM        = $01c0; // ARM Little-Endian
  IMAGE_FILE_MACHINE_THUMB       = $01c2;
  IMAGE_FILE_MACHINE_ARM33       = $01d3;
  IMAGE_FILE_MACHINE_POWERPC      = $01F0; // IBM PowerPC Little-Endian
  IMAGE_FILE_MACHINE_IA64       = $0200; // Intel 64
  IMAGE_FILE_MACHINE_MIPS16      = $0266; // MIPS
  IMAGE_FILE_MACHINE_ALPHA64      = $0284; // ALPHA64
  IMAGE_FILE_MACHINE_MIPSFPU      = $0366; // MIPS
  IMAGE_FILE_MACHINE_MIPSFPU16     = $0466; // MIPS
// IMAGE_FILE_MACHINE_AXP64       IMAGE_FILE_MACHINE_ALPHA64
  IMAGE_FILE_MACHINE_AMD64       = $0500; // AMD K8
  IMAGE_FILE_MACHINE_TRICORE      = $0520; // Infineon
  IMAGE_FILE_MACHINE_CEF        = $0CEF;
  { 以下是SECTION的属性值具体阐明 }
  { Section characteristics }
// IMAGE_SCN_TYPE_REG          = $00000000; // Reserved.
// IMAGE_SCN_TYPE_DSECT         = $00000001; // Reserved.
// IMAGE_SCN_TYPE_NOLOAD        = $00000002; // Reserved.
// IMAGE_SCN_TYPE_GROUP         = $00000004; // Reserved.
  IMAGE_SCN_TYPE_NO_PAD        = $00000008; // Reserved.
// IMAGE_SCN_TYPE_COPY         = $00000010; // Reserved.
  IMAGE_SCN_CNT_CODE          = $00000020; // Section contains code.
  IMAGE_SCN_CNT_INITIALIZED_DATA    = $00000040; // Section contains initialized data.
  IMAGE_SCN_CNT_UNINITIALIZED_DATA   = $00000080; // Section contains uninitialized data.
  IMAGE_SCN_LNK_OTHER         = $00000100; // Reserved.
  IMAGE_SCN_LNK_INFO          = $00000200; 
  // Section contains comments or some other type of information.
// IMAGE_SCN_TYPE_OVER         = $00000400; // Reserved.
  IMAGE_SCN_LNK_REMOVE         = $00000800; 
  // Section contents will not become part of image.
  IMAGE_SCN_LNK_COMDAT         = $00001000; // Section contents comdat.
//                    = $00002000; // Reserved.
// IMAGE_SCN_MEM_PROTECTED - Obsolete  = $00004000;
  IMAGE_SCN_NO_DEFER_SPEC_EXC     = $00004000; 
  // Reset speculative exceptions handling bits in the TLB entries for this section.
  IMAGE_SCN_GPREL           = $00008000; 
  // Section content can be accessed relative to GP
  IMAGE_SCN_MEM_FARDATA        = $00008000;
// IMAGE_SCN_MEM_SYSHEAP - Obsolete  = $00010000;
  IMAGE_SCN_MEM_PURGEABLE       = $00020000;
  IMAGE_SCN_MEM_16BIT         = $00020000;
  IMAGE_SCN_MEM_LOCKED         = $00040000;
  IMAGE_SCN_MEM_PRELOAD        = $00080000;
  IMAGE_SCN_ALIGN_1BYTES        = $00100000; //
  IMAGE_SCN_ALIGN_2BYTES        = $00200000; //
  IMAGE_SCN_ALIGN_4BYTES        = $00300000; //
  IMAGE_SCN_ALIGN_8BYTES        = $00400000; //
  IMAGE_SCN_ALIGN_16BYTES       = $00500000; 
  // Default alignment if no others are specified.
  IMAGE_SCN_ALIGN_32BYTES       = $00600000; //
  IMAGE_SCN_ALIGN_64BYTES       = $00700000; //
  IMAGE_SCN_ALIGN_128BYTES       = $00800000; //
  IMAGE_SCN_ALIGN_256BYTES       = $00900000; //
  IMAGE_SCN_ALIGN_512BYTES       = $00A00000; //
  IMAGE_SCN_ALIGN_1024BYTES      = $00B00000; //
  IMAGE_SCN_ALIGN_2048BYTES      = $00C00000; //
  IMAGE_SCN_ALIGN_4096BYTES      = $00D00000; //
  IMAGE_SCN_ALIGN_8192BYTES      = $00E00000; //
// Unused                = $00F00000;
  IMAGE_SCN_ALIGN_MASK         = $00F00000;
  IMAGE_SCN_LNK_NRELOC_OVFL      = $01000000; // Section contains extended relocations.
  IMAGE_SCN_MEM_DISCARDABLE      = $02000000; // Section can be discarded.
  IMAGE_SCN_MEM_NOT_CACHED       = $04000000; // Section is not cachable.
  IMAGE_SCN_MEM_NOT_PAGED       = $08000000; // Section is not pageable.
  IMAGE_SCN_MEM_SHARED         = $10000000; // Section is shareable.
  IMAGE_SCN_MEM_EXECUTE        = $20000000; // Section is executable.
  IMAGE_SCN_MEM_READ          = $40000000; // Section is readable.
  IMAGE_SCN_MEM_WRITE         = $80000000; // Section is writeable.


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