/usr/lib/python2.7/dist-packages/rekall/plugins/windows/pstree.py is in python-rekall-core 1.6.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Authors
# Michael Cohen <scudette@users.sourceforge.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""pstree example file"""
from rekall.plugins.windows import common
class PSTree(common.WinProcessFilter):
"""Print process list as a tree"""
__name = "pstree"
table_header = [
dict(name="_EPROCESS", type="TreeNode", max_depth=5, child=dict(
type="_EPROCESS", style="light")),
dict(name="ppid", width=6, align="r"),
dict(name="thd_count", width=6, align="r"),
dict(name="hnd_count", width=6, align="r"),
dict(name="create_time", width=24),
dict(name="cmd", width=40, hidden=True),
dict(name="path", width=40, hidden=True),
dict(name="audit", width=40, hidden=True),
]
def _find_root(self, pid_dict, pid):
# Prevent circular loops.
seen = set()
while pid in pid_dict and pid not in seen:
seen.add(pid)
pid = int(pid_dict[pid].InheritedFromUniqueProcessId)
return pid
def _make_process_dict(self):
"""Returns a dict keyed by pids with values _EPROCESS objects."""
result = {}
for eprocess in self.filter_processes():
result[int(eprocess.UniqueProcessId)] = eprocess
return result
def collect(self):
process_dict = self._make_process_dict()
def draw_children(pad, pid):
"""Given a pid output all its children."""
for task in sorted(process_dict.values(), key=lambda x: x.pid):
if task.InheritedFromUniqueProcessId != pid:
continue
process_params = task.Peb.ProcessParameters
yield dict(
_EPROCESS=task,
ppid=task.InheritedFromUniqueProcessId,
thd_count=task.ActiveThreads,
hnd_count=task.ObjectTable.m("HandleCount"),
create_time=task.CreateTime,
cmd=process_params.CommandLine,
path=process_params.ImagePathName,
audit=task.SeAuditProcessCreationInfo.ImageFileName.Name,
depth=pad)
process_dict.pop(task.pid, None)
for x in draw_children(pad + 1, task.pid):
yield x
while process_dict:
keys = process_dict.keys()
root = self._find_root(process_dict, keys[0])
for x in draw_children(0, root):
yield x
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