struct _IMAGE_IMPORT_DESCRIPTOR {
union {
/* 0 for terminating null import descriptor */
DWORD Characteristics;
/* RVA to original unbound IAT */
PIMAGE_THUNK_DATA OriginalFirstThunk;
} u;
DWORD TimeDateStamp; /* 0 if not bound,
* -1 if bound, and real date ime stamp
* in IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
* (new BIND)
* otherwise date/time stamp of DLL bound to
* (Old BIND)
*/
DWORD ForwarderChain; /* -1 if no forwarders */
DWORD Name;
/* RVA to IAT (if bound this IAT has actual addresses) */
PIMAGE_THUNK_DATA FirstThunk;
};
struct _IMAGE_IMPORT_DESCRIPTOR {
union {
/* 0 for terminating null import descriptor */
DWORD Characteristics;
/* RVA to original unbound IAT */
PIMAGE_THUNK_DATA OriginalFirstThunk;
} u;
DWORD TimeDateStamp; /* 0 if not bound,
* -1 if bound, and real date ime stamp
* in IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
* (new BIND)
* otherwise date/time stamp of DLL bound to
* (Old BIND)
*/
DWORD ForwarderChain; /* -1 if no forwarders */
DWORD Name;
/* RVA to IAT (if bound this IAT has actual addresses) */
PIMAGE_THUNK_DATA FirstThunk;
};
struct _IMAGE_IMPORT_DESCRIPTOR {
union {
/* 0 for terminating null import descriptor */
DWORD Characteristics;
/* RVA to original unbound IAT */
PIMAGE_THUNK_DATA OriginalFirstThunk;
} u;
DWORD TimeDateStamp; /* 0 if not bound,
* -1 if bound, and real date ime stamp
* in IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
* (new BIND)
* otherwise date/time stamp of DLL bound to
* (Old BIND)
*/
DWORD ForwarderChain; /* -1 if no forwarders */
DWORD Name;
/* RVA to IAT (if bound this IAT has actual addresses) */
PIMAGE_THUNK_DATA FirstThunk;
};
_IMAGE_FILE_HEADER .NumberOfSections
struct _IMAGE_FILE_HEADER {
0x00 WORD Machine;
0x02 WORD NumberOfSections;
0x04 DWORD TimeDateStamp;
0x08 DWORD PointerToSymbolTable;
0x0c DWORD NumberOfSymbols;
0x10 WORD SizeOfOptionalHeader;
0x12 WORD Characteristics;
};
struct _IMAGE_DOS_HEADER {
0x00 WORD e_magic;
0x02 WORD e_cblp;
0x04 WORD e_cp;
0x06 WORD e_crlc;
0x08 WORD e_cparhdr;
0x0a WORD e_minalloc;
0x0c WORD e_maxalloc;
0x0e WORD e_ss;
0x10 WORD e_sp;
0x12 WORD e_csum;
0x14 WORD e_ip;
0x16 WORD e_cs;
0x18 WORD e_lfarlc;
0x1a WORD e_ovno;
0x1c WORD e_res[4];
0x24 WORD e_oemid;
0x26 WORD e_oeminfo;
0x28 WORD e_res2[10];
0x3c DWORD e_lfanew;
};
IMAGE_DIRECTORY_ENTRY_EXPORT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_IMPORT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_RESOURCE
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_SECURITY
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_EXCEPTION
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_BASERELOC
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_DEBUG
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_COPYRIGHT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_GLOBALPTR
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_TLS
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_IAT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
struct _IMAGE_DATA_DIRECTORY {
0x00 DWORD VirtualAddress;
0x04 DWORD Size;
};
Code/Data
Code/Data
Code/Data
Code/Data
Code/Data
typedef struct _IMAGE_SECTION_HEADER {
0x00 BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
union {
0x08 DWORD PhysicalAddress;
0x08 DWORD VirtualSize;
} Misc;
0x0c DWORD VirtualAddress;
0x10 DWORD SizeOfRawData;
0x14 DWORD PointerToRawData;
0x18 DWORD PointerToRelocations;
0x1c DWORD PointerToLinenumbers;
0x20 WORD NumberOfRelocations;
0x22 WORD NumberOfLinenumbers;
0x24 DWORD Characteristics;
};
.
.
.
struct _IMAGE_IMPORT_DESCRIPTOR {
0x00 union {
/* 0 for terminating null import descriptor */
0x00 DWORD Characteristics;
/* RVA to original unbound IAT */
0x00 PIMAGE_THUNK_DATA OriginalFirstThunk;
} u;
0x04 DWORD TimeDateStamp; /* 0 if not bound,
* -1 if bound, and real date ime stamp
* in IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
* (new BIND)
* otherwise date/time stamp of DLL bound to
* (Old BIND)
*/
0x08 DWORD ForwarderChain; /* -1 if no forwarders */
0x0c DWORD Name;
/* RVA to IAT (if bound this IAT has actual addresses) */
0x10 PIMAGE_THUNK_DATA FirstThunk;
};
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
LPBYTE ForwarderString;
PDWORD Function;
DWORD Ordinal;
PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
0x00 LPBYTE ForwarderString;
0x00 PDWORD Function;
0x00 DWORD Ordinal;
0x00 PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
0x00 WORD Hint;
0x02 BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
0x00 LPBYTE ForwarderString;
0x00 PDWORD Function;
0x00 DWORD Ordinal;
0x00 PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
0x00 WORD Hint;
0x02 BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
0x00 LPBYTE ForwarderString;
0x00 PDWORD Function;
0x00 DWORD Ordinal;
0x00 PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
0x00 WORD Hint;
0x02 BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
typedef struct _IMAGE_THUNK_DATA {
union {
0x00 LPBYTE ForwarderString;
0x00 PDWORD Function;
0x00 DWORD Ordinal;
0x00 PIMAGE_IMPORT_BY_NAME AddressOfData;
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_BY_NAME {
0x00 WORD Hint;
0x02 BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
struct _IMAGE_OPTIONAL_HEADER {
0x00 WORD Magic;
0x02 BYTE MajorLinkerVersion;
0x03 BYTE MinorLinkerVersion;
0x04 DWORD SizeOfCode;
0x08 DWORD SizeOfInitializedData;
0x0c DWORD SizeOfUninitializedData;
0x10 DWORD AddressOfEntryPoint;
0x14 DWORD BaseOfCode;
0x18 DWORD BaseOfData;
0x1c DWORD ImageBase;
0x20 DWORD SectionAlignment;
0x24 DWORD FileAlignment;
0x28 WORD MajorOperatingSystemVersion;
0x2a WORD MinorOperatingSystemVersion;
0x2c WORD MajorImageVersion;
0x2e WORD MinorImageVersion;
0x30 WORD MajorSubsystemVersion;
0x32 WORD MinorSubsystemVersion;
0x34 DWORD Win32VersionValue;
0x38 DWORD SizeOfImage;
0x3c DWORD SizeOfHeaders;
0x40 DWORD CheckSum;
0x44 WORD Subsystem;
0x46 WORD DllCharacteristics;
0x48 DWORD SizeOfStackReserve;
0x4c DWORD SizeOfStackCommit;
0x50 DWORD SizeOfHeapReserve;
0x54 DWORD SizeOfHeapCommit;
0x58 DWORD LoaderFlags;
0x5c DWORD NumberOfRvaAndSizes;
0x60 _IMAGE_DATA_DIRECTORY DataDirectory[16];
};
struct _IMAGE_DEBUG_DIRECTORY {
0x00 DWORD Characteristics;
0x04 DWORD TimeDateStamp;
0x08 WORD MajorVersion;
0x0a WORD MinorVersion;
0x0c DWORD Type;
0x10 DWORD SizeOfData;
0x14 DWORD AddressOfRawData;
0x18 DWORD PointerToRawData;
};
struct _IMAGE_RESOURCE_DIRECTORY {
0x00 DWORD Characteristics;
0x04 DWORD TimeDateStamp;
0x08 WORD MajorVersion;
0x0a WORD MinorVersion;
0x0c WORD NumberOfNamedEntries;
0x0e WORD NumberOfIdEntries;
};
struct _IMAGE_TLS_DIRECTORY {
0x00 DWORD StartAddressOfRawData;
0x04 DWORD EndAddressOfRawData;
0x08 LPDWORD AddressOfIndex;
0x0c PIMAGE_TLS_CALLBACK *AddressOfCallBacks;
0x10 DWORD SizeOfZeroFill;
0x14 DWORD Characteristics;
};
struct _IMAGE_DELAY_IMPORT_DESCRIPTOR {
0x00 DWORD grAttrs;
0x04 DWORD szName;
0x08 DWORD phmod;
0x0c DWORD pIAT;
0x10 DWORD pINT;
0x14 DWORD pBoundIAT;
0x18 DWORD pUnloadIAT;
0x1c DWORD dwTimeStamp;
};
Array of WORDs
name_ordinal[0]
name_ordinal[1]
name_ordinal[2]
.
.
.
name_ordinal[NumberOfNames]
Pointers to strings
address_of_name[0]
address_of_name[1]
address_of_name[2]
.
.
.
address_of_name[NumberOfNames]
Indexed by Ordinals
address_of_function[0]
address_of_function[1]
address_of_function[2]
.
.
.
address_of_function[NumberOfFunctions]
struct _IMAGE_EXPORT_DIRECTORY {
0x00 DWORD Characteristics;
0x04 DWORD TimeDateStamp;
0x08 WORD MajorVersion;
0x0a WORD MinorVersion;
0x0c DWORD Name;
0x10 DWORD Base;
0x14 DWORD NumberOfFunctions;
0x18 DWORD NumberOfNames;
0x1c DWORD AddressOfFunctions;
0x20 DWORD AddressOfNames;
0x24 DWORD AddressOfNameOrdinals;
};
struct _IMAGE_NT_HEADERS {
0x00 DWORD Signature;
0x04 _IMAGE_FILE_HEADER FileHeader;
0x18 _IMAGE_OPTIONAL_HEADER OptionalHeader;
};
typedef struct _IMAGE_SECTION_HEADER {
0x00 BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
union {
0x08 DWORD PhysicalAddress;
0x08 DWORD VirtualSize;
} Misc;
0x0c DWORD VirtualAddress;
0x10 DWORD SizeOfRawData;
0x14 DWORD PointerToRawData;
0x18 DWORD PointerToRelocations;
0x1c DWORD PointerToLinenumbers;
0x20 WORD NumberOfRelocations;
0x22 WORD NumberOfLinenumbers;
0x24 DWORD Characteristics;
};
typedef struct _IMAGE_SECTION_HEADER {
0x00 BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
union {
0x08 DWORD PhysicalAddress;
0x08 DWORD VirtualSize;
} Misc;
0x0c DWORD VirtualAddress;
0x10 DWORD SizeOfRawData;
0x14 DWORD PointerToRawData;
0x18 DWORD PointerToRelocations;
0x1c DWORD PointerToLinenumbers;
0x20 WORD NumberOfRelocations;
0x22 WORD NumberOfLinenumbers;
0x24 DWORD Characteristics;
};
If a symbol N is exported by ordinal and name then:
-Its name will be located at AddressOfNames[N]
-Its ordinal at AddressOfNameOrdinals[N]
-And its address* will be
AddressOfFunctions[AddressOfNameOrdinals[N]]
The function might be forwarded, in that case the last
pointer will refer to an address within the exports
pointing to the forwarder string, which will contain
information on the symbol and the module where to
find it.
Structure contained within parent
Structure pointed to by the parent
Last updated on Mon Dec 26 2005
Created by Ero Carrera Ventura
Portable Executable Format
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