mirror of
https://github.com/volatilityfoundation/volatility
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iMHLv2
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
# Volatility
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#
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# This program 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 (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# 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 this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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@author: Andrew Case
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@license: GNU General Public License 2.0 or later
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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.debug as debug
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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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bash_vtypes_32 = {
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'_hist_entry': [ 0xc, {
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'line': [0x0, ['pointer', ['String', dict(length = 1024)]]],
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'timestamp': [0x4, ['pointer', ['String', dict(length = 1024)]]],
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'data': [0x8, ['pointer', ['void']]],
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}],
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}
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bash_vtypes_64 = {
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'_hist_entry': [ 24, {
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'line': [0, ['pointer', ['String', dict(length = 1024)]]],
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'timestamp': [8, ['pointer', ['String', dict(length = 1024)]]],
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'data': [16, ['pointer', ['void']]],
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}],
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}
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class BashTypes(obj.ProfileModification):
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def modification(self, profile):
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if profile.metadata.get('memory_model', '32bit') == "32bit":
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profile.vtypes.update(bash_vtypes_32)
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else:
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profile.vtypes.update(bash_vtypes_64)
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class linux_bash(linux_pslist.linux_pslist):
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"""Recover bash history from bash process memory"""
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def __init__(self, config, *args):
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linux_pslist.linux_pslist.__init__(self, config, *args)
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self._config.add_option('PRINTUNALLOC', short_option = 'P', default = None, help = 'print unallocated entries, please redirect to a file', action = 'store_true')
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self._config.add_option('HISTORY_LIST', short_option = 'H', default = None, help = 'address from history_list - see the Volatility wiki', action = 'store', type = 'long')
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def calculate(self):
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linux_common.set_plugin_members(self)
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tasks = linux_pslist.linux_pslist(self._config).calculate()
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if not self._config.HISTORY_LIST:
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debug.error("History list address not specified.")
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the_history_addr = self._config.HISTORY_LIST
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for task in tasks:
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proc_as = task.get_process_address_space()
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# In cases when mm is an invalid pointer
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if not proc_as:
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continue
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the_history = obj.Object("Pointer", vm = proc_as, offset = the_history_addr)
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max_ents = 2001
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the_history = obj.Object(theType = 'Array', offset = the_history, vm = proc_as, targetType = 'Pointer', count = max_ents)
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for ptr in the_history:
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if not ptr:
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if self._config.PRINTUNALLOC:
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continue
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else:
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break
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hist = obj.Object("_hist_entry", offset = ptr, vm = proc_as)
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cmd = hist.line.dereference()
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cmdtime = hist.timestamp.dereference()
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if cmd and len(cmd) and cmdtime and len(cmdtime):
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yield (cmd, cmdtime)
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Command Time", "20"),
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("Command", ""),])
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for (cmd, cmdtime) in data:
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self.table_row(outfd, cmdtime, cmd)
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