FilesExpand file tree

 master

/

ReflectiveLoader.h

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

233 lines (209 loc) · 7.84 KB

 master

/

ReflectiveLoader.h

Copy path

Top

File metadata and controls

• Code
• Blame

233 lines (209 loc) · 7.84 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

//===============================================================================================//

// Copyright (c) 2013, Stephen Fewer of Harmony Security (www.harmonysecurity.com)

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without modification, are permitted

// provided that the following conditions are met:

//

// * Redistributions of source code must retain the above copyright notice, this list of

// conditions and the following disclaimer.

//

// * Redistributions in binary form must reproduce the above copyright notice, this list of

// conditions and the following disclaimer in the documentation and/or other materials provided

// with the distribution.

//

// * Neither the name of Harmony Security nor the names of its contributors may be used to

// endorse or promote products derived from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR

// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

//===============================================================================================//

#pragma once

//===============================================================================================//

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#include <intrin.h>

#define DLL_QUERY_HMODULE 6

#define DEREF( name )*(UINT_PTR *)(name)

#define DEREF_64( name )*(DWORD64 *)(name)

#define DEREF_32( name )*(DWORD *)(name)

#define DEREF_16( name )*(WORD *)(name)

#define DEREF_8( name )*(BYTE *)(name)

typedef ULONG_PTR(WINAPI * REFLECTIVELOADER)(VOID);

typedef BOOL(WINAPI * DLLMAIN)(HINSTANCE, DWORD, LPVOID);

#define DLLEXPORT __declspec( dllexport )

////

// Enable this define to turn on locking of memory to prevent paging

#define ENABLE_STOPPAGING 1

#define EXITFUNC_SEH 0xEA320EFE

#define EXITFUNC_THREAD 0x0A2A1DE0

#define EXITFUNC_PROCESS 0x56A2B5F0

// kernel32

typedef HMODULE (WINAPI * LOADLIBRARYA)( LPCSTR );

typedef FARPROC (WINAPI * GETPROCADDRESS)( HMODULE, LPCSTR );

typedef LPVOID (WINAPI * VIRTUALALLOC)( LPVOID, SIZE_T, DWORD, DWORD );

typedef DWORD (NTAPI * NTFLUSHINSTRUCTIONCACHE)( HANDLE, PVOID, ULONG );

// ntdll

typedef LONG(NTAPI * RTLCREATEUSERTHREAD)(HANDLE, PSECURITY_DESCRIPTOR, BOOLEAN, ULONG, SIZE_T, SIZE_T, PTHREAD_START_ROUTINE, PVOID, PHANDLE, LPVOID);

#define KERNEL32DLL_HASH 0x6A4ABC5B

#define NTDLLDLL_HASH 0x3CFA685D

#define LOADLIBRARYA_HASH 0xEC0E4E8E

#define GETPROCADDRESS_HASH 0x7C0DFCAA

#define VIRTUALALLOC_HASH 0x91AFCA54

#define NTFLUSHINSTRUCTIONCACHE_HASH 0x534C0AB8

#define RTLCREATEUSERTHREAD_HASH 0x442f2041

#ifdef ENABLE_STOPPAGING

typedef LPVOID (WINAPI * VIRTUALLOCK)( LPVOID, SIZE_T );

#define VIRTUALLOCK_HASH 0x0EF632F2

#endif

#ifdef ENABLE_OUTPUTDEBUGSTRING

typedef LPVOID (WINAPI * OUTPUTDEBUG)( LPCSTR );

#define OUTPUTDEBUG_HASH 0x470D22BC

#endif

#define IMAGE_REL_BASED_ARM_MOV32A 5

#define IMAGE_REL_BASED_ARM_MOV32T 7

#define ARM_MOV_MASK (DWORD)(0xFBF08000)

#define ARM_MOV_MASK2 (DWORD)(0xFBF08F00)

#define ARM_MOVW 0xF2400000

#define ARM_MOVT 0xF2C00000

#define HASH_KEY 13

//===============================================================================================//

#pragma intrinsic( _rotr )

__forceinline DWORD ror( DWORD d )

{

return _rotr( d, HASH_KEY );

}

__forceinline DWORD _hash( char * c )

{

register DWORD h = 0;

do

{

h = ror( h );

h += *c;

} while( *++c );

return h;

}

//===============================================================================================//

typedef struct _UNICODE_STR

{

USHORT Length;

USHORT MaximumLength;

PWSTR pBuffer;

} UNICODE_STR, *PUNICODE_STR;

// WinDbg> dt -v ntdll!_LDR_DATA_TABLE_ENTRY

//__declspec( align(8) )

typedef struct _LDR_DATA_TABLE_ENTRY

{

//LIST_ENTRY InLoadOrderLinks; // As we search from PPEB_LDR_DATA->InMemoryOrderModuleList we dont use the first entry.

LIST_ENTRY InMemoryOrderModuleList;

LIST_ENTRY InInitializationOrderModuleList;

PVOID DllBase;

PVOID EntryPoint;

ULONG SizeOfImage;

UNICODE_STR FullDllName;

UNICODE_STR BaseDllName;

ULONG Flags;

SHORT LoadCount;

SHORT TlsIndex;

LIST_ENTRY HashTableEntry;

ULONG TimeDateStamp;

} LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;

// WinDbg> dt -v ntdll!_PEB_LDR_DATA

typedef struct _PEB_LDR_DATA //, 7 elements, 0x28 bytes

{

DWORD dwLength;

DWORD dwInitialized;

LPVOID lpSsHandle;

LIST_ENTRY InLoadOrderModuleList;

LIST_ENTRY InMemoryOrderModuleList;

LIST_ENTRY InInitializationOrderModuleList;

LPVOID lpEntryInProgress;

} PEB_LDR_DATA, * PPEB_LDR_DATA;

// WinDbg> dt -v ntdll!_PEB_FREE_BLOCK

typedef struct _PEB_FREE_BLOCK // 2 elements, 0x8 bytes

{

struct _PEB_FREE_BLOCK * pNext;

DWORD dwSize;

} PEB_FREE_BLOCK, * PPEB_FREE_BLOCK;

// struct _PEB is defined in Winternl.h but it is incomplete

// WinDbg> dt -v ntdll!_PEB

typedef struct __PEB // 65 elements, 0x210 bytes

{

BYTE bInheritedAddressSpace;

BYTE bReadImageFileExecOptions;

BYTE bBeingDebugged;

BYTE bSpareBool;

LPVOID lpMutant;

LPVOID lpImageBaseAddress;

PPEB_LDR_DATA pLdr;

LPVOID lpProcessParameters;

LPVOID lpSubSystemData;

LPVOID lpProcessHeap;

PRTL_CRITICAL_SECTION pFastPebLock;

LPVOID lpFastPebLockRoutine;

LPVOID lpFastPebUnlockRoutine;

DWORD dwEnvironmentUpdateCount;

LPVOID lpKernelCallbackTable;

DWORD dwSystemReserved;

DWORD dwAtlThunkSListPtr32;

PPEB_FREE_BLOCK pFreeList;

DWORD dwTlsExpansionCounter;

LPVOID lpTlsBitmap;

DWORD dwTlsBitmapBits[2];

LPVOID lpReadOnlySharedMemoryBase;

LPVOID lpReadOnlySharedMemoryHeap;

LPVOID lpReadOnlyStaticServerData;

LPVOID lpAnsiCodePageData;

LPVOID lpOemCodePageData;

LPVOID lpUnicodeCaseTableData;

DWORD dwNumberOfProcessors;

DWORD dwNtGlobalFlag;

LARGE_INTEGER liCriticalSectionTimeout;

DWORD dwHeapSegmentReserve;

DWORD dwHeapSegmentCommit;

DWORD dwHeapDeCommitTotalFreeThreshold;

DWORD dwHeapDeCommitFreeBlockThreshold;

DWORD dwNumberOfHeaps;

DWORD dwMaximumNumberOfHeaps;

LPVOID lpProcessHeaps;

LPVOID lpGdiSharedHandleTable;

LPVOID lpProcessStarterHelper;

DWORD dwGdiDCAttributeList;

LPVOID lpLoaderLock;

DWORD dwOSMajorVersion;

DWORD dwOSMinorVersion;

WORD wOSBuildNumber;

WORD wOSCSDVersion;

DWORD dwOSPlatformId;

DWORD dwImageSubsystem;

DWORD dwImageSubsystemMajorVersion;

DWORD dwImageSubsystemMinorVersion;

DWORD dwImageProcessAffinityMask;

DWORD dwGdiHandleBuffer[34];

LPVOID lpPostProcessInitRoutine;

LPVOID lpTlsExpansionBitmap;

DWORD dwTlsExpansionBitmapBits[32];

DWORD dwSessionId;

ULARGE_INTEGER liAppCompatFlags;

ULARGE_INTEGER liAppCompatFlagsUser;

LPVOID lppShimData;

LPVOID lpAppCompatInfo;

UNICODE_STR usCSDVersion;

LPVOID lpActivationContextData;

LPVOID lpProcessAssemblyStorageMap;

LPVOID lpSystemDefaultActivationContextData;

LPVOID lpSystemAssemblyStorageMap;

DWORD dwMinimumStackCommit;

} _PEB, * _PPEB;

typedef struct

{

WORD offset:12;

WORD type:4;

} IMAGE_RELOC, *PIMAGE_RELOC;