mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
gleeda
148 lines
4.0 KiB
Python
148 lines
4.0 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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"""
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@author: Mariano `emdel` Graziano, Edwin Smulders
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@license: GNU General Public License 2.0 or later
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@contact: graziano@eurecom.fr, mail@edwinsmulders.eu
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"""
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import volatility.plugins.linux.common as common
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import volatility.plugins.linux.pslist as linux_pslist
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import collections
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import struct
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import volatility.debug as debug
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offsets = {}
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# x86 offsets - It works on my Linux machine.
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offsets['32bit'] = [
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'ebx',
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'ecx',
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'edx',
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'esi',
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'edi',
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'ebp',
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'eax',
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'ds',
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'es',
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'fs',
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'gs',
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'orig_eax',
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'eip',
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'cs',
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'eflags',
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'esp',
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'ss'
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]
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# x64 offsets
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offsets['64bit'] = [
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'r15',
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'r14',
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'r13',
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'r12',
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'rbp',
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'rbx',
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'r11',
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'r10',
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'r9',
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'r8',
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'rax',
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'rcx',
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'rdx',
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'rsi',
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'rdi',
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'unknown', # I'm not sure what this field is
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'rip',
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'cs',
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'eflags',
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'rsp',
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'ss'
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]
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reg_size = {}
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reg_size['32bit'] = 0x4
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reg_size['64bit'] = 0x8
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fmt = {}
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fmt['32bit'] = '<I'
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fmt['64bit'] = '<Q'
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class linux_info_regs(linux_pslist.linux_pslist):
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'''It's like 'info registers' in GDB. It prints out all the
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processor registers involved during the context switch.'''
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def __init__(self, config, *args, **kwargs):
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linux_pslist.linux_pslist.__init__(self, config, *args, **kwargs)
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self.bits = 0
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self.reg_size = 0
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self.offsets = []
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self.fmt = ""
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def calculate(self):
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common.set_plugin_members(self)
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if self.profile.metadata['arch'] not in ["x64", "x86"]:
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debug.error("This plugin is only supported on Intel-based memory captures")
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self.bits = self.profile.metadata.get('memory_model', '32bit')
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self.reg_size = reg_size[self.bits]
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self.offsets = offsets[self.bits]
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self.fmt = fmt[self.bits]
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for proc in linux_pslist.linux_pslist(self._config).calculate():
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name = proc.get_commandline()
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thread_registers = []
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for thread_task in proc.threads():
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thread_name = thread_task.comm
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regs = self.parse_kernel_stack(thread_task)
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thread_registers.append((thread_name,regs))
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yield proc, name, thread_registers
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def render_text(self, outfd, data):
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#outfd.write("[-- Info Registers:\n")
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for task, name, thread_regs in data:
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outfd.write("Process Name: {} - PID: {}\n".format(name, str(task.pid)))
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outfd.write("Registers (per thread):\n")
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fmt = str(2*self.reg_size)
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for thread_name, regs in thread_regs:
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outfd.write(" Thread Name: {}\n".format(thread_name))
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if regs != None:
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for reg, value in regs.items():
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outfd.write((" {:8s}: {:0" + fmt + "x}\n").format(reg, value))
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def parse_kernel_stack(self, task):
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result = collections.OrderedDict()
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if 1 or task.mm:
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sp0 = task.thread.sp0
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#proc_as = task.get_process_address_space()
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addr = sp0
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for reg in self.offsets[::-1]: # reverse list, because we read up in the stack
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#debug.info("Reading {:016x}".format(addr))
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addr -= self.reg_size
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val_raw = self.addr_space.read(addr, self.reg_size)
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val = struct.unpack(self.fmt, val_raw)[0]
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result[reg] = val
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return result
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return None
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