【DbgHelp】通过PDB在PE中查找函数

概述:如何使用 PDB 查找 PE 中的特定函数名的函数

说明

如果查找指定PE中是否声明和使用了某函数,则需要使用 Dbghelp.h 标头 - Win32 apps | Microsoft Learn 模块。

  1. 如何获取 PDB 文件
    需要调用 symchk 从微软下载,symchk 的调用命令如下所示:

    1
    2
    3
    4
    5
    symchk /r <路径到PE文件> /s SRV*<本地符号存储路径>*<微软符号服务器路径>

    # 示例

    symchk /r C:\Windows\System32\notepad.exe /s SRV*C:\Symbols*http://msdl.microsoft.com/download/symbols
  2. 加载 PDB 文件
    加载 PDB 需要调用 SymLoadModuleExW 加载

  3. 查找符号
    查找符号可使用 SymFromNameW 或者 SymEnumSymbolsW,区别在于 SymEnumSymbolsW 注册的回调可以看到是查找的函数名详细信息。

下载后获取符号下载路径
需要获取 PDB 文件的下载路径,大致形式如下所示,其中 acppage.pdb 为 PE 文件中获取的 PDB 文件名,E07A9D2F9AE2077290F2627631E6C50C1 为 PE 文件中获取的 GUID。

1
d:\symbols\acppage.pdb\E07A9D2F9AE2077290F2627631E6C50C1\acppage.pdb

PE 解析简要说明,相关函数名为 GetPdbFileInfo

  1. 读取 PE 中的 IMAGE_DIRECTORY_ENTRY_DEBUG
  2. 根据偏移获取 PIMAGE_DEBUG_DIRECTORY
  3. 遍历 IMAGE_DEBUG_DIRECTORY,查找 TypeIMAGE_DEBUG_TYPE_CODEVIEWIMAGE_DEBUG_DIRECTORY
  4. 查看当前块标志位是否为 CV_SIGNATURE_RSDS(SDSR) ,如果是,则通过 PCV_INFO_PDB70 解析当前内存块,读取签名和 PDB 文件名

代码

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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
// FindTheSqlMagicCode.cpp : 定义控制台应用程序的入口点。
//

#include <windows.h>
#include <strsafe.h>
#include <Dbghelp.h>
#include <shlwapi.h>
#pragma comment(lib,"Dbghelp.lib")
#pragma comment(lib,"shlwapi.lib")
#define CV_SIGNATURE_NB10 '01BN'
#define CV_SIGNATURE_RSDS 'SDSR'

#define RESET "\033[0m"
#define BLACK "\033[30m" /* Black */
#define RED "\033[31m" /* Red */
#define GREEN "\033[32m" /* Green */
#define YELLOW "\033[33m" /* Yellow */
#define BLUE "\033[34m" /* Blue */
#define MAGENTA "\033[35m" /* Magenta */
#define CYAN "\033[36m" /* Cyan */
#define WHITE "\033[37m" /* White */
#define BOLDGREEN "\033[1m\033[32m" /* Bold Green */

#include <vector>
#include <set>
#include <iostream>
#include <fstream>
using namespace std;

// CodeView header
typedef struct CV_HEADER
{
DWORD CvSignature; // NBxx
LONG Offset; // Always 0 for NB10
} * PCV_HEADER;

// CodeView NB10 debug information
// (used when debug information is stored in a PDB 2.00 file)
typedef struct CV_INFO_PDB20
{
CV_HEADER Header;
DWORD Signature; // seconds since 01.01.1970
DWORD Age; // an always-incrementing value
BYTE PdbFileName[1]; // zero terminated string with the name of the PDB file
} * PCV_INFO_PDB20;

// CodeView RSDS debug information
// (used when debug information is stored in a PDB 7.00 file)
typedef struct CV_INFO_PDB70
{
DWORD CvSignature;
GUID Signature; // unique identifier
DWORD Age; // an always-incrementing value
BYTE PdbFileName[1]; // zero terminated string with the name of the PDB file
} * PCV_INFO_PDB70;


LPBYTE GetRVAOffset(LPBYTE pBuffer, DWORD dwVirtualOffset)
{
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pBuffer;
PIMAGE_NT_HEADERS32 pNtHeader32 = (PIMAGE_NT_HEADERS32)(pBuffer + pDosHeader->e_lfanew);
PIMAGE_NT_HEADERS64 pNtHeader64 = (PIMAGE_NT_HEADERS64)(pBuffer + pDosHeader->e_lfanew);
BOOL bIsX64 = pNtHeader32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC;

int nSectionNum = bIsX64 ? pNtHeader64->FileHeader.NumberOfSections : pNtHeader32->FileHeader.NumberOfSections;
PIMAGE_SECTION_HEADER pSection = (PIMAGE_SECTION_HEADER)(pBuffer + pDosHeader->e_lfanew + (bIsX64 ? sizeof(IMAGE_NT_HEADERS64) : sizeof(IMAGE_NT_HEADERS32)));

// search for absolute offset
for( int i = 0; i < nSectionNum; i++)
{
DWORD dwStart = pSection->VirtualAddress;
if( dwStart <= dwVirtualOffset && dwVirtualOffset < dwStart + pSection->SizeOfRawData){
return pBuffer + pSection->PointerToRawData + (dwVirtualOffset - dwStart);
}
pSection++;
}

return 0;
}

DWORD GetImageSize(LPBYTE pBuffer, BOOL& bIsX64)
{
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pBuffer;
PIMAGE_NT_HEADERS32 pNtHeader32 = (PIMAGE_NT_HEADERS32)(pBuffer + pDosHeader->e_lfanew);
PIMAGE_NT_HEADERS64 pNtHeader64 = (PIMAGE_NT_HEADERS64)(pBuffer + pDosHeader->e_lfanew);
bIsX64 = pNtHeader32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC;

DWORD SizeOfImage = bIsX64 ? pNtHeader64->OptionalHeader.SizeOfImage: pNtHeader32->OptionalHeader.SizeOfImage;

return SizeOfImage;
}

WCHAR* CharToWchar(CHAR* sSour)
{
size_t len = strlen(sSour) + 1;
size_t converted = 0;
WCHAR *wzDest = NULL;
wzDest = (WCHAR*)new WCHAR[len];
mbstowcs_s(&converted, wzDest, len, sSour, _TRUNCATE);
return wzDest;
}

char* WCharToChar(WCHAR* wzSour)
{
ULONG ulLength = 0;
char* szDest = NULL;

if (wzSour != NULL)
{
ulLength = WideCharToMultiByte(CP_ACP,NULL, wzSour,-1,NULL,0,NULL,FALSE);
szDest = new char[ulLength + 1];
if (szDest == NULL)
{
return NULL;
}
memset(szDest, 0, ulLength + 1);
WideCharToMultiByte(CP_OEMCP, NULL, wzSour, -1, szDest, ulLength, NULL, FALSE);
}
return szDest;
}


BOOL GetPdbFileInfo(LPCWSTR lpszFilePath
, LPWSTR szPdbFileName
, DWORD dwPdbFileNameCch
, LPWSTR szPdbGuid
, DWORD dwPdbGuidCch
, LPWSTR szChecksum
, DWORD dwChecksumCch
)
{

DWORD dwTotalRead = 0, dwRead = 0;
DWORD dwSize = 0;
BOOL bFound = FALSE;
HANDLE hFile = INVALID_HANDLE_VALUE;
LPBYTE pBuffer = NULL;
do
{
// read the file into memory
HANDLE hFile = ::CreateFileW( lpszFilePath
, GENERIC_READ
, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE
, NULL
, OPEN_EXISTING
, FILE_ATTRIBUTE_NORMAL
, NULL
);
if( hFile == INVALID_HANDLE_VALUE )
{
break;
}

dwSize = GetFileSize( hFile, NULL);
if( dwSize < 4096 ) // hardcode for file size limit
{
break;
}

pBuffer = (LPBYTE)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, dwSize);
if(!pBuffer)
{
break;
}



while( dwTotalRead < dwSize &&
ReadFile( hFile, pBuffer + dwTotalRead, dwSize - dwTotalRead, &dwRead, NULL) )
{
dwTotalRead += dwRead;
}


}while(0);

if(hFile != INVALID_HANDLE_VALUE)
{
::CloseHandle(hFile);
}

if(pBuffer == NULL)
{
return FALSE;
}

if(dwTotalRead != dwSize)
{
if(pBuffer)
{
HeapFree( GetProcessHeap(), 0, pBuffer);
}
return FALSE;
}

LPWSTR lpszpdbInfo = NULL;

// locate the DEBUG section
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pBuffer;
if( pDosHeader->e_magic == IMAGE_DOS_SIGNATURE )
{
PIMAGE_DATA_DIRECTORY pDataDic;
PIMAGE_NT_HEADERS32 pNtHeader32 = (PIMAGE_NT_HEADERS32)(pBuffer + pDosHeader->e_lfanew);
PIMAGE_NT_HEADERS64 pNtHeader64 = (PIMAGE_NT_HEADERS64)(pBuffer + pDosHeader->e_lfanew);
if( pNtHeader32->Signature == IMAGE_NT_SIGNATURE )
{
BOOL bIsX64 = pNtHeader32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC;
if( !bIsX64 )
pDataDic = &pNtHeader32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG];
else
pDataDic = &pNtHeader64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG];


if( pDataDic && pDataDic->Size > 0 )
{
//The number of entries in the debug directory can be obtained by dividing the size of the debug directory (as specified in the optional header’s data directory entry) by the size of IMAGE_DEBUG_DIRECTORY structure.
int nNumberOfEntries = pDataDic->Size / sizeof(IMAGE_DEBUG_DIRECTORY);
PIMAGE_DEBUG_DIRECTORY pDebugDic = (PIMAGE_DEBUG_DIRECTORY)GetRVAOffset( pBuffer, pDataDic->VirtualAddress);

for( int i = 0; i < nNumberOfEntries && !bFound ; i++)
{
// CodeView debug information (stored in the executable) or Program Database debug information (stored in PDB file)
if( pDebugDic->Type == IMAGE_DEBUG_TYPE_CODEVIEW )
{
LPBYTE pDebugData = pBuffer + pDebugDic->PointerToRawData;
DWORD dwCVSignature = *(LPDWORD)pDebugData;
if( dwCVSignature == CV_SIGNATURE_RSDS )
{
PCV_INFO_PDB70 pCvInfo = (PCV_INFO_PDB70)pDebugData;
StringCbPrintfW( szPdbGuid, dwPdbFileNameCch
, L"%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X%d"
, pCvInfo->Signature.Data1
, pCvInfo->Signature.Data2
, pCvInfo->Signature.Data3
, pCvInfo->Signature.Data4[0]
, pCvInfo->Signature.Data4[1]
, pCvInfo->Signature.Data4[2]
, pCvInfo->Signature.Data4[3]
, pCvInfo->Signature.Data4[4]
, pCvInfo->Signature.Data4[5]
, pCvInfo->Signature.Data4[6]
, pCvInfo->Signature.Data4[7]
, pCvInfo->Age
);

lpszpdbInfo = CharToWchar((LPSTR)pCvInfo->PdbFileName);
StringCbCopy( szPdbFileName, dwPdbFileNameCch, lpszpdbInfo);
delete[]lpszpdbInfo;

if( bIsX64 )
{
StringCbPrintfW( szChecksum, dwChecksumCch
, L"%x%x"
, pNtHeader64->FileHeader.TimeDateStamp
, pNtHeader64->OptionalHeader.SizeOfImage
);
}
else
{
StringCbPrintfW( szChecksum, dwChecksumCch
, L"%x%x"
, pNtHeader32->FileHeader.TimeDateStamp
, pNtHeader32->OptionalHeader.SizeOfImage
);
}

bFound = TRUE;
}
}

pDebugDic++;
}
}
}
}

HeapFree( GetProcessHeap(), 0, pBuffer);

return bFound;
}


DWORD RunTheSymchk(LPWSTR szCommandLine)
{
DWORD dwMbrId = 0;

STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
ZeroMemory(&pi, sizeof(pi));


BOOL bResult = ::CreateProcess(NULL,szCommandLine , NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);

if (!bResult)
return 0;

if (WaitForSingleObject(pi.hProcess,180*1000) == WAIT_TIMEOUT)
return 0;

int dwCode = 0;
if (!GetExitCodeProcess(pi.hProcess,(DWORD*)&dwCode))
{
return 0;
}

CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return 1;
}

#define WINDBG_INSTALLPATH L"D:\\Windows Kits\\10\\Debuggers\\x64"
#define NT_SYMBOLS_DIR L"d:\\symbols\\"
#define NT_SYMBOLS_FORMATS L"SRV*%ws*http://msdl.microsoft.com/download/symbols"
#define TEST_PATH L"D:\\Documents\\D_IDA\\SHClient\\SHClient.exe"
#define SYMCHCKCMD_LINE_FORMATS L"%ws\\symchk.exe /r %ws /s %ws"
#define LDR_IS_DATAFILE(handle) (((ULONG_PTR)(handle)) & (ULONG_PTR)1)
#define LDR_IS_IMAGEMAPPING(handle) (((ULONG_PTR)(handle)) & (ULONG_PTR)2)
#define LDR_IS_RESOURCE(handle) (LDR_IS_IMAGEMAPPING(handle) || LDR_IS_DATAFILE(handle))
#if 0
// #define SYMBOL_NAME L"PsspDumpThread"
// #define SYMBOL_NAME L"DownloadAndStagePayloads"
#define SYMBOL_NAME L"*Payload*"
#define ENUM_PATH L"D:\\Documents\\TestScanPath"
#define ENEABLE_DEEP_CALL 1
#else
#define SYMBOL_NAME L"*Payload*"
#define ENUM_PATH L"C:\\Windows\\System32"
#define ENEABLE_DEEP_CALL 1
#endif
// PSYM_ENUMERATESYMBOLS_CALLBACKW PsymEnumeratesymbolsCallback;


void* GetNtdllBase()
{
#if defined(_WIN64)
ULONG64 peb = __readgsqword(0x60);
#else
ULONG64 peb = __readfsdword(0x30);
#endif

ULONG64 ldr = *(ULONG64*)(peb + 0x18);
PLIST_ENTRY modlist = *(PLIST_ENTRY*)(ldr + 0x10); // 第二个加载的 dll 就是 ntdll
return *(void**)((ULONG64)modlist->Flink + 0x30); // 获取第二个 listEntry 之后,再获取
}

vector<std::pair<wstring, wstring>> g_FindReslt;
BOOL CALLBACK PsymEnumeratesymbolsCallback(
_In_ PSYMBOL_INFOW pSymInfo,
_In_ ULONG SymbolSize,
_In_opt_ PVOID UserContext
)
{
wprintf(GREEN L"%s->%s, Size:%d\n" WHITE, (WCHAR*)UserContext, pSymInfo->Name, SymbolSize);

g_FindReslt.emplace_back(std::make_pair<wstring, wstring>((WCHAR*)UserContext, pSymInfo->Name));

return TRUE;
}

int IsExeOrDll(const WCHAR* path)
{
const WCHAR* patterns[] = { L"*.exe", L"*.dll", NULL };
#if 0
if (PathMatchSpecW(path, patterns[0]) == TRUE)
return 1;
#endif
if (PathMatchSpecW(path, patterns[1]) == TRUE)
return 2;
return 0;
}

int g_idx = 0;

void FindAllDlls(const WCHAR* Path, int iDeep)
{
if (iDeep > 6)
{
return;
}

WCHAR TargetPath[MAX_PATH] = {};
WCHAR szTempPath[MAX_PATH] = { 0 };
LPCWSTR lpszFilePath = TEST_PATH;
//仅测试用 大量字符串申请用堆而不是栈
DWORD dwLastError = 0;
DWORD ModuleSize = 0;
WCHAR szPdbFileName[MAX_PATH] = { 0 };
WCHAR szPdbGuid[MAX_PATH] = { 0 };
WCHAR szChecksum[MAX_PATH] = { 0 };
WCHAR szCommandLine[MAX_PATH] = { 0 };
WCHAR szNtSymbolUrl[MAX_PATH] = { 0 };
WCHAR szPdbSymbolPath[MAX_PATH] = { 0 };
LPSTR lpszPdbPath = NULL;
WCHAR szSymbolName[MAX_SYM_NAME];
DWORD dwSizeOfSymbol = sizeof(SYMBOL_INFOW) + MAX_SYM_NAME * sizeof(WCHAR);
PBYTE pBuffer = new BYTE[dwSizeOfSymbol];
PSYMBOL_INFOW pSymbol = (PSYMBOL_INFOW)pBuffer;
HMODULE hModuleBase = NULL;
PBYTE pModuleBase = NULL;
PBYTE pSymAdr = NULL;
PBYTE lpDestCall = NULL;
LPWSTR lpszCFile = NULL;
MEMORY_BASIC_INFORMATION MbInfo = { 0 };

BOOL bIsX64 = FALSE;
StringCbCopy(TargetPath, MAX_PATH, Path);
StringCbCat(TargetPath, MAX_PATH, L"\\*.*");

WIN32_FIND_DATA fd = { 0 };
HANDLE hFind = FindFirstFile(TargetPath, &fd);
do
{

if (StrCmpCW(L"AppVStreamingUX.exe", fd.cFileName) == 0)
{
cout << endl;
}
if (StrCmpCW(L"SIHClient.exe", fd.cFileName) == 0)
{
cout << endl;
}

if (hFind != INVALID_HANDLE_VALUE)
{
if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
int iFileExFlag = 0;
const WCHAR* filename = fd.cFileName;


if (!(iFileExFlag = IsExeOrDll(filename)))
{
continue;
}

szTempPath[0] = 0;
StringCbCopy(szTempPath, MAX_PATH, Path);
// szTempPath[wcslen(szTempPath)] = 0;
PathAppend(szTempPath, fd.cFileName);
lpszFilePath = szTempPath;
GetPdbFileInfo(lpszFilePath, szPdbFileName, MAX_PATH, szPdbGuid, MAX_PATH, szChecksum, MAX_PATH);

StringCbPrintf(szNtSymbolUrl, MAX_PATH * sizeof(WCHAR), NT_SYMBOLS_FORMATS, NT_SYMBOLS_DIR);
StringCbPrintf(szCommandLine, MAX_PATH * sizeof(WCHAR), SYMCHCKCMD_LINE_FORMATS, WINDBG_INSTALLPATH, lpszFilePath, szNtSymbolUrl);

StringCbCopy(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), NT_SYMBOLS_DIR);
StringCbCat(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), szPdbFileName);
StringCbCat(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), L"\\");
StringCbCat(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), szPdbGuid);
StringCbCat(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), L"\\");
StringCbCat(szPdbSymbolPath, MAX_PATH * sizeof(WCHAR), szPdbFileName);
// if (iFileExFlag == 1)
{
std::cout << (iFileExFlag == 1 ? MAGENTA : CYAN);
wprintf(L"%d Load:%ws\r\n", g_idx++, lpszFilePath);
std::cout << WHITE;
}
hModuleBase = LoadLibraryExW(lpszFilePath, NULL, LOAD_LIBRARY_AS_IMAGE_RESOURCE);
pModuleBase = (PBYTE)hModuleBase;

BOOL bNeedUnload = TRUE;
if (GetModuleHandle(filename))
{
bNeedUnload = FALSE;
}

if (LDR_IS_RESOURCE(hModuleBase))
{
ULONG_PTR ulTemp = (ULONG_PTR)hModuleBase;
ulTemp = ulTemp - 2;
pModuleBase = (PBYTE)ulTemp;
}

if (pModuleBase == NULL)
{
continue;
}

ModuleSize = GetImageSize((LPBYTE)pModuleBase, bIsX64);
#if 0
if (!bIsX64)
{
FreeLibrary(hModuleBase);
continue;
}
#endif
if (!PathFileExists(szPdbSymbolPath))
{
// RunTheSymchk(szCommandLine);
}

DWORD64 baseAddr = 0;
lpszPdbPath = WCharToChar(szPdbSymbolPath);

// if (!SymLoadModule64(GetCurrentProcess(), NULL, (STRSAFE_LPCSTR)lpszPdbPath, NULL, (DWORD64)pModuleBase, ModuleSize))
if (!(baseAddr = SymLoadModuleExW(GetCurrentProcess(), NULL, (PCWSTR)szPdbSymbolPath, NULL, (DWORD64)pModuleBase, ModuleSize, NULL, 0)))
{
dwLastError = GetLastError();
delete[] lpszPdbPath;
FreeLibrary(hModuleBase);
SymUnloadModule(GetCurrentProcess(), (DWORD64)pModuleBase);
continue;
}

delete[] lpszPdbPath;


pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);;
pSymbol->MaxNameLen = MAX_SYM_NAME;
if (!SymFromNameW(GetCurrentProcess(), SYMBOL_NAME, pSymbol))
{
dwLastError = GetLastError();
FreeLibrary(hModuleBase);
continue;
}

if (!SymEnumSymbolsW(GetCurrentProcess(), baseAddr, SYMBOL_NAME, PsymEnumeratesymbolsCallback, (PVOID)lpszFilePath))
{
dwLastError = GetLastError();
FreeLibrary(hModuleBase);
continue;
}

// g_FindReslt.emplace_back(lpszFilePath);
// wprintf(MAGENTA L"FileX64:%ws\r\n" WHITE, lpszFilePath);

#if 0
pSymAdr = (PBYTE)pSymbol->Address;

if (VirtualQuery(pSymAdr, &MbInfo, sizeof(MbInfo)) == sizeof(MbInfo))
{
if (MbInfo.State != MEM_COMMIT)
{
dwLastError = GetLastError();
FreeLibrary(hModuleBase);
continue;
}
}

for (int i = 0; i < 0x150; i++)
{
if (*(pSymAdr + i) == 0x4c && *(pSymAdr + i + 1) == 0x8d && *(pSymAdr + i + 2) == 0x5)
{

int jmpadr = *(int*)(pSymAdr + i + 3);
jmpadr = jmpadr + 7;
lpDestCall = jmpadr + pSymAdr + i;
lpszCFile = CharToWchar((char*)lpDestCall);
wprintf(L"Find:%ws %ws\r\n", lpszFilePath, lpszCFile);
break;
}
}
#endif

FreeLibrary(hModuleBase);

}
else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if (StrCmpCW(fd.cFileName, L".") != 0 && StrCmpCW(fd.cFileName, L"..") != 0)
{
// 构造子目录的路径
TCHAR subDirectory[MAX_PATH];
StringCbCopy(subDirectory, MAX_PATH, Path);
StringCbCat(subDirectory, MAX_PATH, L"\\");
StringCbCat(subDirectory, MAX_PATH, fd.cFileName);

// 递归调用FindAllDlls
if (ENEABLE_DEEP_CALL)
{
FindAllDlls(subDirectory, iDeep + 1);
}
}
}
}
} while (FindNextFile(hFind, &fd));

FindClose(hFind);
}

BOOL EnableXXXPrivilege(LPCTSTR pszPrivilegeName)
{
HANDLE hToken;
LUID seXXXNameValue;
TOKEN_PRIVILEGES tkp;

// enable the SeXXXPrivilege
if (!OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
{
wprintf(L"OpenProcessToken() failed, Error = %d %s is not available.\n", GetLastError(), pszPrivilegeName);
return FALSE;
}

if (!LookupPrivilegeValue(NULL, pszPrivilegeName, &seXXXNameValue))
{
wprintf(L"LookupPrivilegeValue() failed, Error = %d %s is not available.\n", GetLastError(), pszPrivilegeName);
CloseHandle(hToken);
return FALSE;
}

tkp.PrivilegeCount = 1;
tkp.Privileges[0].Luid = seXXXNameValue;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

if (!AdjustTokenPrivileges(hToken, FALSE, &tkp, sizeof tkp, NULL, NULL))
{
wprintf(L"AdjustTokenPrivileges() failed, Error = %d %s is not available.\n", GetLastError(), pszPrivilegeName);
CloseHandle(hToken);
return FALSE;
}

CloseHandle(hToken);

return TRUE;
}

// 将wstring转换成string
string wstring2string(wstring wstr)
{
string result;
//获取缓冲区大小,并申请空间,缓冲区大小事按字节计算的
int len = WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), NULL, 0, NULL, NULL);
char* buffer = new char[len + 1];
//宽字节编码转换成多字节编码
WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), buffer, len, NULL, NULL);
buffer[len] = '\0';
//删除缓冲区并返回值
result.append(buffer);
delete[] buffer;
return result;
}

void OutputToFile(std::vector<std::pair<wstring, wstring>>& vec)
{
ofstream outfile("output.txt");

if (!outfile.is_open()) {
std::cerr << "无法打开文件" << std::endl;
return;
}

for (auto res : g_FindReslt)
{
outfile << wstring2string(res.first) << "\t" << wstring2string(res.second) << endl;
}

// 关闭文件
outfile.close();
}

int main(int argc, char* argv[])
{
PVOID OldValue;
if (Wow64DisableWow64FsRedirection(&OldValue))
std::cout << "File system redirection disabled." << std::endl;
wcout << WHITE << endl;

EnableXXXPrivilege(SE_DEBUG_NAME);

if (!SymInitializeW(GetCurrentProcess(), NULL, FALSE))
{
return 0;
}

DWORD dwSymOpt = SymGetOptions();

int iDeep = 0;
FindAllDlls(ENUM_PATH, iDeep);

cout << endl<< endl;
/*
for (auto res : g_FindReslt)
{
wcout << RED << res.first << "\t" << res.second << endl;
}
*/

wcout << WHITE << endl;

// 重新启用文件系统重定向
if (Wow64RevertWow64FsRedirection(OldValue)) {
std::cout << "File system redirection re-enabled." << std::endl;
}
else {
std::cerr << "Failed to re-enable file system redirection." << std::endl;
}

OutputToFile(g_FindReslt);

// 程序执行完成后,将控制台窗口置顶
HWND consoleWindow = GetConsoleWindow(); // 获取控制台窗口句柄
ShowWindow(consoleWindow, SW_SHOW); // 显示控制台窗口
SetForegroundWindow(consoleWindow); // 将控制台窗口置顶

return 0;
}

【DbgHelp】通过PDB在PE中查找函数
https://hodlyounger.github.io/A_OS/Windows/DbgHelp/【DbgHelp】通过PDB在PE中查找函数/
作者
mingming
发布于
2024年8月12日
许可协议