mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
104 lines
3.7 KiB
Python
104 lines
3.7 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 as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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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.mac.common as common
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class mac_network_conns(common.AbstractMacCommand):
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""" Lists network connections from kernel network structures """
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# in_pcblookup_hash - bsd/netinet/in_pcb.c
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def _walk_pcb_hash(self, proto_pcbinfo):
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pcb_hash = obj.Object("Array", offset = proto_pcbinfo.hashbase, vm = self.addr_space, targetType = "Pointer", count = proto_pcbinfo.hashmask + 1)
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for pcb_ent in pcb_hash:
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head = pcb_ent.dereference_as("inpcbhead")
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if not head:
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continue
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inpcb = head.lh_first.dereference_as("inpcb")
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while inpcb:
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yield inpcb
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inpcb = inpcb.inp_hash.le_next
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# in_pcblookup_hash - bsd/netinet/in_pcb.c
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def _walk_pcb_list(self, proto_pcbinfo):
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inpcb = proto_pcbinfo.listhead.lh_first.dereference_as("inpcb")
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while inpcb:
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yield inpcb
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inpcb = inpcb.inp_list.le_next
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def _walk_pcb_entries(self, inpcbinfo_addr):
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pcbs = {}
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inpcbinfo = obj.Object("inpcbinfo", offset = inpcbinfo_addr, vm = self.addr_space)
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for pcbinfo in self._walk_pcb_list(inpcbinfo):
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pcbs[pcbinfo.obj_offset] = pcbinfo
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for pcbinfo in self._walk_pcb_hash(inpcbinfo):
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pcbs[pcbinfo.obj_offset] = pcbinfo
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for pcbinfo in pcbs.values():
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(lip, lport, rip, rport) = pcbinfo.ipv4_info()
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yield (pcbinfo, lip, lport, rip, rport)
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def calculate(self):
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common.set_plugin_members(self)
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entries = []
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tcbinfo_addr = self.addr_space.profile.get_symbol("_tcbinfo")
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udbinfo_addr = self.addr_space.profile.get_symbol("_udbinfo")
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ripdbinfo_addr = self.addr_space.profile.get_symbol("_ripcbinfo")
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info_addrs = [("TCP", tcbinfo_addr), ("UDP", udbinfo_addr), ("RAW", ripdbinfo_addr)]
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for (proto_str, info_addr) in info_addrs:
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for (pcbinfo, lip, lport, rip, rport) in self._walk_pcb_entries(info_addr):
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if proto_str == "TCP":
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state = pcbinfo.get_tcp_state()
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else:
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state = ""
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yield (proto_str, pcbinfo, lip, lport, rip, rport, state)
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Offset (V)", "[addrpad]"),
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("Protocol", "4"),
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("Local IP", "20"),
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("Local Port", "6"),
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("Remote IP", "20"),
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("Remote Port", "6"),
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("State", ""),
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])
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for (proto, pcb, lip, lport, rip, rport, state) in data:
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self.table_row(outfd, pcb.obj_offset, proto, lip, lport, rip, rport, state)
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