/// <summary>
/// Resolve host DLL for API Set DLL.
/// </summary>
/// <author>Ruben Boonen (@FuzzySec)</author>
/// <returns>Dictionary, a combination of Key:APISetDLL and Val:HostDLL.</returns>
public static Dictionary <string, string> GetApiSetMapping()
{
Data.Native.PROCESS_BASIC_INFORMATION pbi = Native.NtQueryInformationProcessBasicInformation((IntPtr)(-1));
UInt32 ApiSetMapOffset = IntPtr.Size == 4 ? (UInt32)0x38 : 0x68;
// Create mapping dictionary
Dictionary <string, string> ApiSetDict = new Dictionary <string, string>();
IntPtr pApiSetNamespace = Marshal.ReadIntPtr((IntPtr)((UInt64)pbi.PebBaseAddress + ApiSetMapOffset));
Data.PE.ApiSetNamespace Namespace = (Data.PE.ApiSetNamespace)Marshal.PtrToStructure(pApiSetNamespace, typeof(Data.PE.ApiSetNamespace));
for (var i = 0; i < Namespace.Count; i++)
{
Data.PE.ApiSetNamespaceEntry SetEntry = new Data.PE.ApiSetNamespaceEntry();
SetEntry = (Data.PE.ApiSetNamespaceEntry)Marshal.PtrToStructure((IntPtr)((UInt64)pApiSetNamespace + (UInt64)Namespace.EntryOffset + (UInt64)(i * Marshal.SizeOf(SetEntry))), typeof(Data.PE.ApiSetNamespaceEntry));
string ApiSetEntryName = Marshal.PtrToStringUni((IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.NameOffset), SetEntry.NameLength / 2) + ".dll";
Data.PE.ApiSetValueEntry SetValue = new Data.PE.ApiSetValueEntry();
SetValue = (Data.PE.ApiSetValueEntry)Marshal.PtrToStructure((IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.ValueOffset), typeof(Data.PE.ApiSetValueEntry));
string ApiSetValue = string.Empty;
if (SetValue.ValueCount != 0)
{
ApiSetValue = Marshal.PtrToStringUni((IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetValue.ValueOffset), SetValue.ValueCount / 2);
}
// Add pair to dict
ApiSetDict.Add(ApiSetEntryName, ApiSetValue);
}
// Return dict
return(ApiSetDict);
}
/// <summary>
/// Resolve host DLL for API Set DLL.
/// </summary>
/// <author>Ruben Boonen (@FuzzySec), The Wover (@TheRealWover)</author>
/// <returns>Dictionary, a combination of Key:APISetDLL and Val:HostDLL.</returns>
public static Dictionary <string, string> GetApiSetMapping()
{
Data.Native.PROCESS_BASIC_INFORMATION pbi = Native.NtQueryInformationProcessBasicInformation((IntPtr)(-1));
UInt32 ApiSetMapOffset = IntPtr.Size == 4 ? (UInt32)0x38 : 0x68;
// Create mapping dictionary
Dictionary <string, string> ApiSetDict = new Dictionary <string, string>();
IntPtr pApiSetNamespace = Marshal.ReadIntPtr((IntPtr)((UInt64)pbi.PebBaseAddress + ApiSetMapOffset));
Data.PE.ApiSetNamespace Namespace = (Data.PE.ApiSetNamespace)Marshal.PtrToStructure(pApiSetNamespace, typeof(Data.PE.ApiSetNamespace));
for (var i = 0; i < Namespace.Count; i++)
{
Data.PE.ApiSetNamespaceEntry SetEntry = new Data.PE.ApiSetNamespaceEntry();
IntPtr pSetEntry = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)Namespace.EntryOffset + (UInt64)(i * Marshal.SizeOf(SetEntry)));
SetEntry = (Data.PE.ApiSetNamespaceEntry)Marshal.PtrToStructure(pSetEntry, typeof(Data.PE.ApiSetNamespaceEntry));
string ApiSetEntryName = Marshal.PtrToStringUni((IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.NameOffset), SetEntry.NameLength / 2);
string ApiSetEntryKey = ApiSetEntryName.Substring(0, ApiSetEntryName.Length - 2) + ".dll"; // Remove the patch number and add .dll
Data.PE.ApiSetValueEntry SetValue = new Data.PE.ApiSetValueEntry();
IntPtr pSetValue = IntPtr.Zero;
// If there is only one host, then use it
if (SetEntry.ValueLength == 1)
{
pSetValue = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.ValueOffset);
}
else if (SetEntry.ValueLength > 1)
{
// Loop through the hosts until we find one that is different from the key, if available
for (var j = 0; j < SetEntry.ValueLength; j++)
{
IntPtr host = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.ValueOffset + (UInt64)Marshal.SizeOf(SetValue) * (UInt64)j);
if (Marshal.PtrToStringUni(host) != ApiSetEntryName)
{
pSetValue = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.ValueOffset + (UInt64)Marshal.SizeOf(SetValue) * (UInt64)j);
}
}
// If there is not one different from the key, then just use the key and hope that works
if (pSetValue == IntPtr.Zero)
{
pSetValue = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetEntry.ValueOffset);
}
}
//Get the host DLL's name from the entry
SetValue = (Data.PE.ApiSetValueEntry)Marshal.PtrToStructure(pSetValue, typeof(Data.PE.ApiSetValueEntry));
string ApiSetValue = string.Empty;
if (SetValue.ValueCount != 0)
{
IntPtr pValue = (IntPtr)((UInt64)pApiSetNamespace + (UInt64)SetValue.ValueOffset);
ApiSetValue = Marshal.PtrToStringUni(pValue, SetValue.ValueCount / 2);
}
// Add pair to dict
ApiSetDict.Add(ApiSetEntryKey, ApiSetValue);
}
// Return dict
return(ApiSetDict);
}