Created
October 5, 2023 03:40
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| #! /usr/bin/env python3 | |
| import re | |
| import os | |
| pid = int(os.popen("grep -a ^./asmttpd /proc/[0-9]*/cmdline | cut -d/ -f3") .read()) | |
| maps_file = open(f'/proc/{pid}/maps', 'r') | |
| mem_file = open(f'/proc/{pid}/mem', 'rb', 0) | |
| output_file = open("self.dump", 'wb') | |
| for line in maps_file.readlines(): # for each mapped region | |
| m = re.match(r'([0-9A-Fa-f]+)-([0-9A-Fa-f]+) ([-r])', line) | |
| if m.group(3) == 'r': # if this is a readable region | |
| start = int(m.group(1), 16) | |
| end = int(m.group(2), 16) | |
| mem_file.seek(start) # seek to region start | |
| chunk = mem_file.read(end-start) # read region contents | |
| output_file.write(bytes(line, 'utf-8')) | |
| output_file.write(chunk) # dump contents to standard output | |
| maps_file.close() | |
| mem_file.close() | |
| output_file.close() |
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