D3FC0N 30 release: Obj callbacks, firewalling, symbols w/ internet, and more

Co-authored-by: Maxime Meignan <maxime.meignan@wavestone.com>

EDRSandblast/Includes/FileUtils.h

@@ -0,0 +1,13 @@
+#pragma once
+
+PBYTE ReadFullFileW(LPCWSTR fileName);
+
+BOOL FileExistsA(LPCSTR szPath);
+BOOL FileExistsW(LPCWSTR szPath);
+#ifdef UNICODE
+#define FileExists  FileExistsW
+#else
+#define FileExists  FileExistsA
+#endif // !UNICODE
+
+BOOL WriteFullFileW(LPCWSTR fileName, PBYTE fileContent, SIZE_T fileSize);