mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
mike.auty@gmail.com
153 lines
4.3 KiB
Python
153 lines
4.3 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.commands as commands
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import volatility.utils as utils
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import volatility.obj as obj
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import datetime
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class AbstractMacCommand(commands.command):
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def __init__(self, *args, **kwargs):
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commands.Command.__init__(self, *args, **kwargs)
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self.addr_space = utils.load_as(self._config)
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self.profile = self.addr_space.profile
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self.smap = self.profile.sysmap
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@staticmethod
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def is_valid_profile(profile):
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return profile.metadata.get('os', 'Unknown').lower() == 'mac'
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def is_known_address(handler, kernel_symbol_addresses, kmods, printme=0):
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# see if this handler is in a known location
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good = 0
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if handler in kernel_symbol_addresses:
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if printme:
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print " in kernel ",
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good = 1
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else:
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# see if the address fits in any of the known modules
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for (start, end, name) in kmods:
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if start <= handler <= end:
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if printme:
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print " in module %s " % name,
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good = 1
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break
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return good
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from mac_lsmod import mac_lsmod as mac_lsmod
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def get_kernel_addrs(self):
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# all the known addresses in the kernel
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# TODO -- make more stringent and get only symbols from .text
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kernel_symbol_addresses = [self.smap[sym] for sym in self.smap]
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# module addresses, tuple of (start, end)
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# TODO -- make sure more stringent and parse each kext in-memory so we only allow whitelist from .text
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kmods = [(kmod.address, kmod.address + kmod.m('size'), get_string(kmod.name.obj_offset, self.addr_space)) for kmod in mac_lsmod.calculate(self)]
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return (kernel_symbol_addresses, kmods)
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def get_ip(self, addr):
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dst = obj.Object("sockaddr", offset=addr, vm=self.addr_space)
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if dst.sa_family == 2: # AF_INET
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saddr = obj.Object("sockaddr_in", offset=addr, vm=self.addr_space)
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s = obj.Object(theType = 'Array', offset = saddr.sin_addr.v(), vm = self.addr_space, targetType = 'unsigned char', count = 4)
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ip = "%d.%d.%d.%d" % (s[0], s[1], s[2], s[3])
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elif dst.sa_family == 18: # AF_LINK
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s = obj.Object("sockaddr_dl", offset=addr, vm=self.addr_space)
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if [s.sdl_nlen, s.sdl_alen, s.sdl_slen] == [0,0,0]:
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ip = "link%d" % s.sdl_index
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else:
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ip = ":".join(["%02x" % ord(x.v()) for x in s.sdl_data[s.sdl_nlen : s.sdl_nlen + s.sdl_alen]])
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else:
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ip = "unknown"
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return ip
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def print_rt(self, rt):
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src_ip = get_ip(self, rt.rt_nodes[0].rn_u.rn_leaf.rn_Key)
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dst_ip = get_ip(self, rt.rt_gateway)
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name = get_string(rt.rt_ifp.if_name, self.addr_space)
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unit = rt.rt_ifp.if_unit
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caltime = rt.base_calendartime
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prettytime = datetime.datetime.fromtimestamp(caltime).strftime('%Y-%m-%d %H:%M:%S')
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sent = rt.rt_stats.nstat_txpackets
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rx = rt.rt_stats.nstat_rxpackets
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exp = rt.rt_expire
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if exp == 0:
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delta = 0
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else:
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delta = exp - rt.base_uptime
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print "%s : %s - %s%d - %d - %d | %d %s | %d %d" % (src_ip, dst_ip, name, unit, sent, rx, caltime, prettytime, exp, delta)
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def get_string(addr, addr_space, maxlen = 256):
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name = addr_space.read(addr, maxlen)
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ret = ""
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for n in name:
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if ord(n) == 0:
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break
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ret = ret + n
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return ret
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# account for c++ symbol name mangling
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def get_cpp_sym(name, smap):
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for s in smap:
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if s.find(name) != -1:
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return smap[s]
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return None
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