add script to MajorOperatingSystemVersion and MajorSubsystemVersion in PE header from 6 to 5
diff --git a/suite/patch_major_os_version.py b/suite/patch_major_os_version.py
new file mode 100755
index 0000000..c75ab41
--- /dev/null
+++ b/suite/patch_major_os_version.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# By Nguyen Anh Quynh
+
+import sys, struct
+
+if len(sys.argv) < 2:
+ print("Usage: %s <pe_file_path>" % sys.argv[0])
+ sys.exit(0)
+
+pe_file_path = sys.argv[1]
+
+with open(pe_file_path, "rb") as f:
+ b = f.read()
+
+if not b.startswith("MZ"):
+ print("Not a PE file")
+ sys.exit(0)
+
+e_lfanew = struct.unpack_from("<I", b, 0x3C)[0]
+vb = struct.pack("<HHHHH", 5, 0, 0, 0, 5) # encode versions
+# patches MajorOperatingSystemVersion and MajorSubsystemVersion
+b = b[0:e_lfanew + 0x40] + vb + b[e_lfanew + 0x4A:]
+# write back to file
+with open(pe_file_path, "wb") as f:
+ f.write(b)