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42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Description
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# -----------
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# Remove the section table from an ELF binary
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# so that some tools are blow minded (e.g. gdb)
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#
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# Example:
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# $ python elf_remove_section_table.py /bin/ls ls_without_sections
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# $ ls
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# elf_remove_section_table.py ls_without_sections
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# $ ls_without_sections
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# $ elf_remove_section_table.py ls_without_sections
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# $ readelf -S ls_without_sections
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#
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# Il n'y a pas de section dans ce fichier.
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# $ gdb ls_without_sections
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# "ls_without_sections": not in executable format: File format not recognized
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import sys
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import lief
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from lief import ELF
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def remove_section_table(filename, output):
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binary = lief.parse(filename) # Build an ELF binary
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header = binary.header
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header.section_header_offset = 0;
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header.numberof_sections = 0;
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binary.write(output);
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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print("Usage: {} <elf binary> <output>".format(sys.argv[0]))
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sys.exit(1)
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remove_section_table(sys.argv[1], sys.argv[2])
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