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Move PA Module detection into its own helper method. #379

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Merged
mnadareski merged 2 commits into from
Sep 8, 2025
Merged

Move PA Module detection into its own helper method. #379

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5f966b5
Move PA Module detection into its own helper method.
HeroponRikiBestest Sep 8, 2025
c4a278a
Fix review changes.
HeroponRikiBestest Sep 8, 2025
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91 changes: 53 additions & 38 deletions BinaryObjectScanner/Protection/SecuROM.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,46 +15,12 @@ public class SecuROM : IExecutableCheck<PortableExecutable>, IPathCheck
/// <inheritdoc/>
public string? CheckExecutable(string file, PortableExecutable exe, bool includeDebug)
{
var name = exe.FileDescription;
if (name.OptionalContains("SecuROM PA"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

name = exe.InternalName;
if (name.OptionalEquals("paul.dll", StringComparison.OrdinalIgnoreCase))
// Check if executable is a Securom PA Module
var paModule = CheckProductActivation(exe);
if (paModule != null)
{
if (exe.ProductName.OptionalEquals("drEAm"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()} - EA Game Authorization Management";
else
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";
}
else if (name.OptionalEquals("paul_dll_activate_and_play.dll"))
{
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";
return paModule;
}
else if (name.OptionalEquals("paul_dll_preview_and_review.dll"))
{
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";
}

name = exe.OriginalFilename;
if (name.OptionalEquals("paul_dll_activate_and_play.dll"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

name = exe.ProductName;
if (name.OptionalContains("SecuROM Activate & Play"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

// Fallback for PA if none of the above occur, in the case of companies that used their own modified PA
// variants. PiD refers to this as "SecuROM Modified PA Module".
// Found in Redump entries 111997 (paul.dll) and 56373+56374 (AurParticleSystem.dll). The developers of
// both, Softstar and Aurogon respectively(?), seem to have some connection, and use similar-looking
// modified PA. It probably has its own name like EA's GAM, but I don't currently know what that would be.
// Regardless, even if these are given their own named variant later, this check should remain in order to
// catch other modified PA variants (this would have also caught EA GAM, for example) and to match PiD's
// detection abilities.
name = exe.ExportTable?.ExportNameTable?.Strings?[0];
if (name.OptionalEquals("drm_pagui_doit"))
return $"SecuROM Product Activation - Modified";

// Get the matrosch section, if it exists
if (exe.ContainsSection("matrosch", exact: true))
Expand Down Expand Up @@ -301,5 +267,54 @@ private static string GetV8WhiteLabelVersion(PortableExecutable exe)

return $"{major}.{minor:00}.{patch:0000}";
}


/// <summary>
/// Helper method to check if a given PortableExecutable is a SecuROM PA module.
/// </summary>
private static string? CheckProductActivation(PortableExecutable exe)
{
var name = exe.FileDescription;
if (name.OptionalContains("SecuROM PA"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

name = exe.InternalName;

// Checks if ProductName isn't drEAm to organize custom module checks at the end.
if (name.OptionalEquals("paul.dll", StringComparison.OrdinalIgnoreCase) ^ exe.ProductName.OptionalEquals("drEAm"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";
else if (name.OptionalEquals("paul_dll_activate_and_play.dll"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";
else if (name.OptionalEquals("paul_dll_preview_and_review.dll"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

name = exe.OriginalFilename;
if (name.OptionalEquals("paul_dll_activate_and_play.dll"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

name = exe.ProductName;
if (name.OptionalContains("SecuROM Activate & Play"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()}";

// Custom Module Checks

if (exe.ProductName.OptionalEquals("drEAm"))
return $"SecuROM Product Activation v{exe.GetInternalVersion()} - EA Game Authorization Management";

// Fallback for PA if none of the above occur, in the case of companies that used their own modified PA
// variants. PiD refers to this as "SecuROM Modified PA Module".
// Found in Redump entries 111997 (paul.dll) and 56373+56374 (AurParticleSystem.dll). The developers of
// both, Softstar and Aurogon respectively(?), seem to have some connection, and use similar-looking
// modified PA. It probably has its own name like EA's GAM, but I don't currently know what that would be.
// Regardless, even if these are given their own named variant later, this check should remain in order to
// catch other modified PA variants (this would have also caught EA GAM, for example) and to match PiD's
// detection abilities.
// TODO: Decide whether to get internal version or not in the future.
name = exe.ExportTable?.ExportNameTable?.Strings?[0];
if (name.OptionalEquals("drm_pagui_doit"))
return $"SecuROM Product Activation - Modified";

return null;
}
}
}
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