dumper.py

import os
maps_file = open("/proc/25397/maps", "r")
mem_file = open("/proc/25397/mem", "rb")
for line in maps_file.readlines():  # for each mapped region
    pathname = ""
    addresses, perms, offset, dev, inode, *rest = line.split()
    if len(rest) > 0 and rest[0]: # for some reason not everything has a pathname
        pathname = rest[0]
    start, end, *rest = addresses.split("-")
   
    if "r" in perms:
        print("Processing: " + addresses)
        try:
            # print(start)
            # print(addresses + " - " + hex(int(start, 16)) + " - " + str(int(start, 16)))
            mem_file.seek(int(start, 16), 0)
            chunk = mem_file.read(int(end, 16) - int(start, 16))
            out = open("/data/local/tmp/dump/%s_%s_%s.bin" % (addresses, pathname.replace("/", "-"), perms), "wb")
            out.write(chunk)
            out.close()
        except Exception as e:
            print("Error: " + line[:-1])
            print(e)

maps_file.close()
mem_file.close()