mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
atcuno
121 lines
4.3 KiB
Python
121 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 Version 2 as
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# published by the Free Software Foundation. You may not use, modify or
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# distribute this program under any other version of the GNU General
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# Public License.
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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 volatility.obj as obj
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import volatility.plugins.linux.common as linux_common
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import volatility.plugins.linux.pslist as linux_pslist
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class linux_ldrmodules(linux_pslist.linux_pslist):
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"""Compares the output of proc maps with the list of libraries from libdl"""
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def calculate(self):
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linux_common.set_plugin_members(self)
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procs = linux_pslist.linux_pslist(self._config).calculate()
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proc_maps = {}
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dl_maps = {}
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seen_starts = []
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for task in procs:
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proc_maps[task.obj_offset] = {}
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proc_as = task.get_process_address_space()
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for vma in task.get_proc_maps():
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sig = proc_as.read(vma.vm_start, 4)
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if sig == "\x7fELF":
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flags = str(vma.vm_flags)
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if flags in ["rw-", "r--"]:
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continue
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if vma.vm_file:
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fname = linux_common.get_path(task, vma.vm_file)
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elif vma.vm_start <= task.mm.start_brk and vma.vm_end >= task.mm.brk:
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fname = "[heap]"
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elif vma.vm_start <= task.mm.start_stack and vma.vm_end >= task.mm.start_stack:
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fname = "[stack]"
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elif vma.vm_start == vma.vm_mm.context.vdso:
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continue
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else:
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fname = ""
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proc_maps[task.obj_offset][vma.vm_start.v()] = (task, proc_as, fname)
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dl_maps[task.obj_offset] = {}
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for so in task.get_libdl_maps():
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if so.l_addr == 0x0 or len(str(so.l_name)) == 0:
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continue
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dl_maps[task.obj_offset][so.l_addr.v()] = (task, proc_as, str(so.l_name))
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for task_offset in proc_maps:
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for vm_start in proc_maps[task_offset]:
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(task, proc_as, vm_name) = proc_maps[task_offset][vm_start]
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seen_starts.append(vm_start)
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yield (task_offset, task, proc_as, vm_start, vm_name, proc_maps, dl_maps)
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for task_offset in dl_maps:
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for vm_start in dl_maps[task_offset]:
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if vm_start in seen_starts:
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continue
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(task, proc_as, vm_name) = dl_maps[task_offset][vm_start]
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yield (task_offset, task, proc_as, vm_start, vm_name, proc_maps, dl_maps)
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Pid", "8"),
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("Name", "16"),
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("Start", "#018x"),
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("File Path", "50"),
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("Proc Maps", "6"),
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("Libdl Maps", "6"),
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])
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for task_offset, task, proc_as, vm_start, vma_name, proc_maps, dl_maps in data:
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print type(vm_start)
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if vm_start in proc_maps[task_offset]:
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pmaps = "True"
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else:
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pmaps = "False"
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if vm_start in dl_maps[task_offset]:
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dmaps = "True"
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else:
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dmaps = "False"
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self.table_row(outfd,
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task.pid,
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str(task.comm),
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vm_start,
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vma_name,
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pmaps,
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dmaps)
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