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Fixed the corrupted image of x64 file dump #3

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Fixed the corrupted image of x64 file dump #3

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17 changes: 16 additions & 1 deletion ExtremeDumper/Dumping/PEImageDumper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,20 @@ public static byte[] Dump(uint processId, void* address, ref ImageLayout imageLa
using var process = NativeProcess.Open(processId);
return Dump(process, address, ref imageLayout);
}

/// <summary>
/// 修改PE文件的SizeOfImage值
/// </summary>
/// <param name="peImage">PE文件数据</param>
/// <param name="newSizeOfImage">新的SizeOfImage值</param>
/// <param name="oldSizeOfImage">原始的SizeOfImage值</param>
public static void ChangeSizeOfImage(byte[] peImage, uint newSizeOfImage, out uint oldSizeOfImage) {
if (peImage == null) throw new ArgumentNullException("ChageSizeOfImage -> peImageBuff is null.");
if (peImage == null) throw new ArgumentNullException("ChageSizeOfImage -> the peImageBuff size must be greater than 0.");
fixed (byte* pSizeOfImage = &peImage[0xd0]) {
oldSizeOfImage = *(uint*)(pSizeOfImage);
*(uint*)(pSizeOfImage) = newSizeOfImage;
}
}
/// <summary>
/// 直接从内存中复制模块，不执行格式转换操作
/// </summary>
Expand Down Expand Up @@ -70,6 +83,8 @@ public static byte[] Dump(NativeProcess process, void* address, ref ImageLayout
default:
throw new NotSupportedException();
}
//修正SizeOfImage
ChangeSizeOfImage(peImage, imageSize, out uint _);
// 转储

return peImage;
Expand Down