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Unpacker 2.0 (x86) - Add support for additional samples. (Header size: 884)

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atom0s 2022-09-26 02:30:40 -07:00
parent fa0d8319f3
commit 640e57e148
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GPG key ID: 37D5FD3494D79AF8
4 changed files with 39 additions and 4 deletions
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32
Steamless.Unpacker.Variant20.x86/Classes/SteamStubHeader.cs
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@ -59,6 +59,38 @@ namespace Steamless.Unpacker.Variant20.x86.Classes
public byte[] StubData; // Misc stub data, such as strings, error messages, etc.
}
/// <summary>
/// SteamStub DRM Variant 2.0 Header
///
/// Size: 884 bytes
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct SteamStub32Var20_884_Header
{
public uint XorKey1; // Xor key used to encode the header data.
public uint XorKey2; // Xor key used to encode the header data.
public uint GetModuleHandleA_idata; // The address of GetModuleHandleA inside of the .idata section.
public uint GetProcAddress_idata; // The address of GetProcAddress inside of the .idata section.
public uint LoadLibraryA_idata; // The address of LoadLibraryA inside of the .idata section.
public uint GetProcAddress_custom; // The address of the custom GetProcAddress implementation function.
public uint Flags; // Protection flags used with the file.
public uint Unknown0000; // Unknown (Used as part of a hash check when (Flags & 0x10) is set.)
public uint BindSectionVirtualAddress; // The virtual address to the .bind section.
public uint BindSectionCodeSize; // The size of the code stub inside of the .bind section.
public uint BindSectionHash; // Hash that is calculated based on the .bind code section and .bind stub header data. (Only used if (Flags & 1) is set.)
public uint OEP; // The original file OEP to be invoked after the stub has finished.
public uint CodeSectionVirtualAddress; // The virtual address to the code section. (.text)
public uint CodeSectionSize; // The size of the code section.
public uint CodeSectionXorKey; // The starting key to xor decode against. (Only used if (Flags & 4) is set.)
public uint SteamAppId; // The steam application id of the packed file.
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x08)]
public byte[] SteamAppIDString; // The SteamAppID of the packed file, in string format.
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x32C)]
public byte[] StubData; // Misc stub data, such as strings, error messages, etc.
}
/// <summary>
/// SteamStub DRM Variant 2.0 Header
///

3
Steamless.Unpacker.Variant20.x86/Main.cs
View file

@ -201,6 +201,9 @@ namespace Steamless.Unpacker.Variant20.x86
case 856:
this.StubHeader = Pe32Helpers.GetStructure<SteamStub32Var20_856_Header>(headerData);
break;
case 884:
this.StubHeader = Pe32Helpers.GetStructure<SteamStub32Var20_884_Header>(headerData);
break;
case 952:
this.StubHeader = Pe32Helpers.GetStructure<SteamStub32Var20_952_Header>(headerData);
break;

4
Steamless.Unpacker.Variant20.x86/Properties/AssemblyInfo.cs
View file

@ -36,5 +36,5 @@ using System.Runtime.InteropServices;
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]
[assembly: Guid("4f11f26d-2946-467f-a4e9-9e2a619a1fd3")]
[assembly: AssemblyVersion("1.0.0.2")]
[assembly: AssemblyFileVersion("1.0.0.2")]
[assembly: AssemblyVersion("1.0.0.3")]
[assembly: AssemblyFileVersion("1.0.0.3")]

4
Steamless/Properties/AssemblyInfo.cs
View file

@ -37,5 +37,5 @@ using System.Windows;
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]
[assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]
[assembly: AssemblyVersion("3.1.0.2")]
[assembly: AssemblyFileVersion("3.1.0.2")]
[assembly: AssemblyVersion("3.1.0.3")]
[assembly: AssemblyFileVersion("3.1.0.3")]