_v3_old
parent
611e9d9618
commit
09559a6dfa
1 changed files with 25 additions and 0 deletions
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#!/usr/bin/env python |
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# By Nguyen Anh Quynh |
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import sys, struct |
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if len(sys.argv) < 2: |
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print("Usage: %s <pe_file_path>" % sys.argv[0]) |
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sys.exit(0) |
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pe_file_path = sys.argv[1] |
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with open(pe_file_path, "rb") as f: |
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b = f.read() |
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if not b.startswith("MZ"): |
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print("Not a PE file") |
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sys.exit(0) |
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e_lfanew = struct.unpack_from("<I", b, 0x3C)[0] |
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vb = struct.pack("<HHHHH", 5, 0, 0, 0, 5) # encode versions |
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# patches MajorOperatingSystemVersion and MajorSubsystemVersion |
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b = b[0:e_lfanew + 0x40] + vb + b[e_lfanew + 0x4A:] |
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# write back to file |
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with open(pe_file_path, "wb") as f: |
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f.write(b) |
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