Files
privilege-escalation-awesom…/winPEAS/winPEASexe/winPEAS/KnownFileCreds/Vault/VaultCli.cs
2022-12-23 00:45:23 -05:00

239 lines
13 KiB
C#

using System;
using System.Collections.Generic;
using System.Reflection;
using winPEAS.Helpers;
using winPEAS.KnownFileCreds.Vault.Structs;
using VaultCliNative = winPEAS.Native.Vaultcli;
namespace winPEAS.KnownFileCreds.Vault
{
public static class VaultCli
{
public static List<Dictionary<string, string>> DumpVault()
{
List<Dictionary<string, string>> results = new List<Dictionary<string, string>>();
try
{
// pulled directly from @djhohnstein's SharpWeb project: https://github.com/djhohnstein/SharpWeb/blob/master/Edge/SharpEdge.cs
var OSVersion = Environment.OSVersion.Version;
var OSMajor = OSVersion.Major;
var OSMinor = OSVersion.Minor;
Type VAULT_ITEM;
if (OSMajor >= 6 && OSMinor >= 2)
{
VAULT_ITEM = typeof(VAULT_ITEM_WIN8);
}
else
{
VAULT_ITEM = typeof(VAULT_ITEM_WIN7);
}
Int32 vaultCount = 0;
IntPtr vaultGuidPtr = IntPtr.Zero;
var result = VaultCliNative.VaultEnumerateVaults(0, ref vaultCount, ref vaultGuidPtr);
//var result = CallVaultEnumerateVaults(VaultEnum, 0, ref vaultCount, ref vaultGuidPtr);
if ((int)result != 0)
{
Console.WriteLine(" [ERROR] Unable to enumerate vaults. Error (0x" + result.ToString() + ")");
return results;
}
// Create dictionary to translate Guids to human readable elements
IntPtr guidAddress = vaultGuidPtr;
Dictionary<Guid, string> vaultSchema = new Dictionary<Guid, string>
{
{ new Guid("2F1A6504-0641-44CF-8BB5-3612D865F2E5"), "Windows Secure Note" },
{ new Guid("3CCD5499-87A8-4B10-A215-608888DD3B55"), "Windows Web Password Credential" },
{ new Guid("154E23D0-C644-4E6F-8CE6-5069272F999F"), "Windows Credential Picker Protector" },
{ new Guid("4BF4C442-9B8A-41A0-B380-DD4A704DDB28"), "Web Credentials" },
{ new Guid("77BC582B-F0A6-4E15-4E80-61736B6F3B29"), "Windows Credentials" },
{ new Guid("E69D7838-91B5-4FC9-89D5-230D4D4CC2BC"), "Windows Domain Certificate Credential" },
{ new Guid("3E0E35BE-1B77-43E7-B873-AED901B6275B"), "Windows Domain Password Credential" },
{ new Guid("3C886FF3-2669-4AA2-A8FB-3F6759A77548"), "Windows Extended Credential" },
{ new Guid("00000000-0000-0000-0000-000000000000"), null }
};
for (int i = 0; i < vaultCount; i++)
{
// Open vault block
object vaultGuidString = System.Runtime.InteropServices.Marshal.PtrToStructure(guidAddress, typeof(Guid));
Guid vaultGuid = new Guid(vaultGuidString.ToString());
guidAddress = (IntPtr)(guidAddress.ToInt64() + System.Runtime.InteropServices.Marshal.SizeOf(typeof(Guid)));
IntPtr vaultHandle = IntPtr.Zero;
string vaultType;
if (vaultSchema.ContainsKey(vaultGuid))
{
vaultType = vaultSchema[vaultGuid];
}
else
{
vaultType = vaultGuid.ToString();
}
result = VaultCliNative.VaultOpenVault(ref vaultGuid, (UInt32)0, ref vaultHandle);
if (result != 0)
{
Console.WriteLine("Unable to open the following vault: " + vaultType + ". Error: 0x" + result.ToString());
continue;
}
// Vault opened successfully! Continue.
// Fetch all items within Vault
int vaultItemCount = 0;
IntPtr vaultItemPtr = IntPtr.Zero;
result = VaultCliNative.VaultEnumerateItems(vaultHandle, 512, ref vaultItemCount, ref vaultItemPtr);
if (result != 0)
{
Console.WriteLine("Unable to enumerate vault items from the following vault: " + vaultType + ". Error 0x" + result.ToString());
continue;
}
var structAddress = vaultItemPtr;
if (vaultItemCount > 0)
{
// For each vault item...
for (int j = 1; j <= vaultItemCount; j++)
{
Dictionary<string, string> vault_cred = new Dictionary<string, string>() {
{ "GUID", string.Format("{0}", vaultGuid) },
{ "Type", vaultType },
{ "Resource", "" },
{ "Identity", "" },
{ "PacakgeSid", "" },
{ "Credential", "" },
{ "Last Modified", "" },
{ "Error", "" }
};
// Begin fetching vault item...
var currentItem = System.Runtime.InteropServices.Marshal.PtrToStructure(structAddress, VAULT_ITEM);
structAddress = (IntPtr)(structAddress.ToInt64() + System.Runtime.InteropServices.Marshal.SizeOf(VAULT_ITEM));
IntPtr passwordVaultItem = IntPtr.Zero;
// Field Info retrieval
FieldInfo schemaIdInfo = currentItem.GetType().GetField("SchemaId");
Guid schemaId = new Guid(schemaIdInfo.GetValue(currentItem).ToString());
FieldInfo pResourceElementInfo = currentItem.GetType().GetField("pResourceElement");
IntPtr pResourceElement = (IntPtr)pResourceElementInfo.GetValue(currentItem);
FieldInfo pIdentityElementInfo = currentItem.GetType().GetField("pIdentityElement");
IntPtr pIdentityElement = (IntPtr)pIdentityElementInfo.GetValue(currentItem);
FieldInfo dateTimeInfo = currentItem.GetType().GetField("LastModified");
UInt64 lastModified = (UInt64)dateTimeInfo.GetValue(currentItem);
IntPtr pPackageSid = IntPtr.Zero;
if (OSMajor >= 6 && OSMinor >= 2)
{
// Newer versions have package sid
FieldInfo pPackageSidInfo = currentItem.GetType().GetField("pPackageSid");
pPackageSid = (IntPtr)pPackageSidInfo.GetValue(currentItem);
result = VaultCliNative.VaultGetItem_WIN8(vaultHandle, ref schemaId, pResourceElement, pIdentityElement, pPackageSid, IntPtr.Zero, 0, ref passwordVaultItem);
}
else
{
result = VaultCliNative.VaultGetItem_WIN7(vaultHandle, ref schemaId, pResourceElement, pIdentityElement, IntPtr.Zero, 0, ref passwordVaultItem);
}
if (result != 0)
{
vault_cred["Error"] = "Occured while retrieving vault item. Error: 0x" + result.ToString();
continue;
}
object passwordItem = System.Runtime.InteropServices.Marshal.PtrToStructure(passwordVaultItem, VAULT_ITEM);
FieldInfo pAuthenticatorElementInfo = passwordItem.GetType().GetField("pAuthenticatorElement");
IntPtr pAuthenticatorElement = (IntPtr)pAuthenticatorElementInfo.GetValue(passwordItem);
// Fetch the credential from the authenticator element
object cred = GetVaultElementValue(pAuthenticatorElement);
object packageSid = null;
if (pPackageSid != IntPtr.Zero && pPackageSid != null)
{
packageSid = GetVaultElementValue(pPackageSid);
}
if (cred != null) // Indicates successful fetch
{
object resource = GetVaultElementValue(pResourceElement);
if (resource != null)
{
vault_cred["Resource"] = string.Format("{0}", resource);
}
object identity = GetVaultElementValue(pIdentityElement);
if (identity != null)
{
vault_cred["Identity"] = string.Format("{0}", identity);
}
if (packageSid != null)
{
vault_cred["PacakgeSid"] = string.Format("{0}", packageSid);
}
vault_cred["Credential"] = string.Format("{0}", cred);
vault_cred["Last Modified"] = string.Format("{0}", DateTime.FromFileTimeUtc((long)lastModified));
results.Add(vault_cred);
}
}
}
}
}
catch (Exception ex)
{
Beaprint.PrintException(ex.Message);
}
return results;
}
private static object GetVaultElementValue(IntPtr vaultElementPtr)
{
// Helper function to extract the ItemValue field from a VAULT_ITEM_ELEMENT struct
// pulled directly from @djhohnstein's SharpWeb project: https://github.com/djhohnstein/SharpWeb/blob/master/Edge/SharpEdge.cs
object results;
object partialElement = System.Runtime.InteropServices.Marshal.PtrToStructure(vaultElementPtr, typeof(VAULT_ITEM_ELEMENT));
FieldInfo partialElementInfo = partialElement.GetType().GetField("Type");
var partialElementType = partialElementInfo.GetValue(partialElement);
IntPtr elementPtr = (IntPtr)(vaultElementPtr.ToInt64() + 16);
switch ((int)partialElementType)
{
case 7: // VAULT_ELEMENT_TYPE == String; These are the plaintext passwords!
IntPtr StringPtr = System.Runtime.InteropServices.Marshal.ReadIntPtr(elementPtr);
results = System.Runtime.InteropServices.Marshal.PtrToStringUni(StringPtr);
break;
case 0: // VAULT_ELEMENT_TYPE == bool
results = System.Runtime.InteropServices.Marshal.ReadByte(elementPtr);
results = (bool)results;
break;
case 1: // VAULT_ELEMENT_TYPE == Short
results = System.Runtime.InteropServices.Marshal.ReadInt16(elementPtr);
break;
case 2: // VAULT_ELEMENT_TYPE == Unsigned Short
results = System.Runtime.InteropServices.Marshal.ReadInt16(elementPtr);
break;
case 3: // VAULT_ELEMENT_TYPE == Int
results = System.Runtime.InteropServices.Marshal.ReadInt32(elementPtr);
break;
case 4: // VAULT_ELEMENT_TYPE == Unsigned Int
results = System.Runtime.InteropServices.Marshal.ReadInt32(elementPtr);
break;
case 5: // VAULT_ELEMENT_TYPE == Double
results = System.Runtime.InteropServices.Marshal.PtrToStructure(elementPtr, typeof(Double));
break;
case 6: // VAULT_ELEMENT_TYPE == GUID
results = System.Runtime.InteropServices.Marshal.PtrToStructure(elementPtr, typeof(Guid));
break;
case 12: // VAULT_ELEMENT_TYPE == Sid
IntPtr sidPtr = System.Runtime.InteropServices.Marshal.ReadIntPtr(elementPtr);
var sidObject = new System.Security.Principal.SecurityIdentifier(sidPtr);
results = sidObject.Value;
break;
default:
/* Several VAULT_ELEMENT_TYPES are currently unimplemented according to
* Lord Graeber. Thus we do not implement them. */
results = null;
break;
}
return results;
}
}
}