mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
137 lines
4.3 KiB
Python
137 lines
4.3 KiB
Python
# Volatility
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# Copyright (C) 2007-2013 Volatility Foundation
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#
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# This file is part of Volatility.
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#
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# Volatility is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Volatility is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Volatility. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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@author: Andrew Case
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@license: GNU General Public License 2.0
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@contact: atcuno@gmail.com
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@organization:
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"""
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import os
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import volatility.obj as obj
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import volatility.debug as debug
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import volatility.plugins.mac.pstasks as mac_tasks
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class mac_procdump(mac_tasks.mac_tasks):
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""" Dumps the executable of a process """
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def __init__(self, config, *args, **kwargs):
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mac_tasks.mac_tasks.__init__(self, config, *args, **kwargs)
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self._config.add_option('DUMP-DIR', short_option = 'D', default = None, help = 'Output directory', action = 'store', type = 'str')
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def _get_executable_contents(self, proc):
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text_map = None
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proc_as = proc.get_process_address_space()
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wanted_vnode = proc.p_textvp.v()
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for map in proc.get_proc_maps():
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vnode = map.get_vnode()
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if vnode and vnode != "sub_map" and vnode.v() == wanted_vnode:
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text_map = map
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break
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if text_map == None:
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return (0, "")
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m = obj.Object("macho_header", offset = text_map.start, vm = proc_as)
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buffer = ""
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last_map = None
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first_vmaddr = 0
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for seg in m.segments():
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if str(seg.segname) == "__PAGEZERO":
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continue
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if last_map:
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pad_amt = map.start - last_map.end
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pad = "\x00" * pad_amt
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else:
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pad = ""
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vstart = seg.vmaddr
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if first_vmaddr == 0:
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first_vmaddr = seg.vmaddr
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if vstart < text_map.start:
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vstart = vstart + text_map.start - first_vmaddr
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print "getting for segment: %s | %x | %x | %x | %d" % (seg.segname, vstart, seg.vmaddr, text_map.start, seg.filesize)
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buffer = buffer + pad + proc_as.zread(vstart, seg.filesize)
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return (text_map.start, buffer)
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def bad_get_executable_contents(self, proc):
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maps = []
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proc_as = proc.get_process_address_space()
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wanted_vnode = proc.p_textvp.v()
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for map in proc.get_proc_maps():
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vnode = map.get_vnode()
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if vnode and vnode != "sub_map" and vnode.v() == wanted_vnode:
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maps.append(map)
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buffer = ""
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last_map = None
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for map in maps:
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if last_map:
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pad_amt = map.start - last_map.end
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pad = "\x00" * pad_amt
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else:
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pad = ""
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buffer = buffer + pad + proc_as.zread(map.start, map.end - map.start)
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last_map = map
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return (maps[0].start, buffer)
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def render_text(self, outfd, data):
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if (not self._config.DUMP_DIR or not os.path.isdir(self._config.DUMP_DIR)):
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debug.error("Please specify an existing output dir (--dump-dir)")
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self.table_header(outfd, [("Task", "25"),
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("Pid", "6"),
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("Address", "[addrpad]"),
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("Path", "")])
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for proc in data:
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(exe_address, exe_contents) = self._get_executable_contents(proc)
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if exe_contents == "":
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continue
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file_name = "task.{0}.{1:#x}.dmp".format(proc.p_pid, exe_address)
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file_path = os.path.join(self._config.DUMP_DIR, file_name)
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outfile = open(file_path, "wb+")
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outfile.write(exe_contents)
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outfile.close()
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self.table_row(outfd, proc.p_comm, proc.p_pid, exe_address, file_path)
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