mirror of
https://github.com/dobin/ShellcodeObfuscationLab
synced 2026-06-08 13:53:31 +00:00
Dobin Rutishauser
36 lines
957 B
Python
36 lines
957 B
Python
import sys
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def get_raw_sc(input_file):
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input_file = input_file
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file_shellcode = b''
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try:
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with open(input_file, 'rb') as shellcode_file:
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file_shellcode = shellcode_file.read()
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file_shellcode = file_shellcode.strip()
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return(file_shellcode)
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except FileNotFoundError:
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sys.exit("Supplied input file not found!")
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def make_caesar(sc_list):
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sc = []
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for x in sc_list:
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if (int(x) + 13) > 255:
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sc.append(hex(x + 13 - 256))
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else:
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sc.append(hex(x + 13))
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return sc
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def caesar(input_file):
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# read in our raw shellcode and get the length
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raw_sc = get_raw_sc(input_file)
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sc_list = list(raw_sc)
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new_sc = make_caesar(sc_list)
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ret = ""
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ret += 'char caesar[{0}] = {{{1}}};'.format(str(len(new_sc)), ', '.join(x for x in new_sc))
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ret += 'unsigned char shellcode[{}] = '.format(str(len(raw_sc))) + '{ 0x00 };'
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return ret
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