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240 lines (212 loc) · 9.62 KB
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#!/usr/bin/env python3
#
# Author:
# Tamas Jos (@skelsec)
#
import io
import sys
import enum
import struct
import logging
from minidump.header import MinidumpHeader
from minidump.minidumpreader import MinidumpFileReader
from minidump.streams import *
from minidump.common_structs import *
from minidump.constants import MINIDUMP_STREAM_TYPE
from minidump.directory import MINIDUMP_DIRECTORY
from minidump.streams.SystemInfoStream import PROCESSOR_ARCHITECTURE
class MinidumpFile:
def __init__(self):
self.filename = None
self.file_handle = None
self.header = None
self.directories = []
self.threads_ex = None
self.threads = None
self.modules = None
self.memory_segments = None
self.memory_segments_64 = None
self.sysinfo = None
self.comment_a = None
self.comment_w = None
self.exception = None
self.handles = None
self.unloaded_modules = None
self.misc_info = None
self.memory_info = None
self.thread_info = None
@staticmethod
def parse(filename):
mf = MinidumpFile()
mf.filename = filename
mf.file_handle = open(filename, 'rb')
mf._parse()
return mf
@staticmethod
def parse_external(file_handle, filename = ''):
"""
External file handle must be an object that exposes basic file IO functionality
that you'd get by python's file buffer (read, seek, tell etc.)
"""
mf = MinidumpFile()
mf.filename = filename
mf.file_handle = file_handle
mf._parse()
return mf
@staticmethod
def parse_bytes(data):
return MinidumpFile.parse_buff(io.BytesIO(data))
@staticmethod
def parse_buff(buffer):
mf = MinidumpFile()
mf.file_handle = buffer
mf._parse()
return mf
def get_reader(self):
return MinidumpFileReader(self)
def _parse(self):
self.__parse_header()
self.__parse_directories()
def __parse_header(self):
self.header = MinidumpHeader.parse(self.file_handle)
for i in range(0, self.header.NumberOfStreams):
self.file_handle.seek(self.header.StreamDirectoryRva + i * 12, 0 )
minidump_dir = MINIDUMP_DIRECTORY.parse(self.file_handle)
if minidump_dir:
self.directories.append(minidump_dir)
else:
self.file_handle.seek(self.header.StreamDirectoryRva + i * 12, 0 )
user_stream_type_value = MINIDUMP_DIRECTORY.get_stream_type_value(self.file_handle)
logging.debug('Found Unknown UserStream directory Type: %x' % (user_stream_type_value))
def __parse_directories(self):
for dir in self.directories:
if dir.StreamType == MINIDUMP_STREAM_TYPE.UnusedStream:
logging.debug('Found UnusedStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
continue # Reserved. Do not use this enumeration value.
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ReservedStream0:
logging.debug('Found ReservedStream0 @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
continue # Reserved. Do not use this enumeration value.
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ReservedStream1:
logging.debug('Found ReservedStream1 @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
continue # Reserved. Do not use this enumeration value.
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ThreadListStream:
logging.debug('Found ThreadListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.threads = MinidumpThreadList.parse(dir, self.file_handle)
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ModuleListStream:
logging.debug('Found ModuleListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.modules = MinidumpModuleList.parse(dir, self.file_handle)
#logging.debug(str(modules_list))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.MemoryListStream:
logging.debug('Found MemoryListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.memory_segments = MinidumpMemoryList.parse(dir, self.file_handle)
#logging.debug(str(self.memory_segments))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.SystemInfoStream:
logging.debug('Found SystemInfoStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.sysinfo = MinidumpSystemInfo.parse(dir, self.file_handle)
#logging.debug(str(self.sysinfo))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ThreadExListStream:
logging.debug('Found ThreadExListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.threads_ex = MinidumpThreadExList.parse(dir, self.file_handle)
#logging.debug(str(self.threads_ex))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.Memory64ListStream:
logging.debug('Found Memory64ListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.memory_segments_64 = MinidumpMemory64List.parse(dir, self.file_handle)
#logging.debug(str(self.memory_segments_64))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.CommentStreamA:
logging.debug('Found CommentStreamA @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.comment_a = CommentStreamA.parse(dir, self.file_handle)
#logging.debug(str(self.comment_a))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.CommentStreamW:
logging.debug('Found CommentStreamW @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.comment_w = CommentStreamW.parse(dir, self.file_handle)
#logging.debug(str(self.comment_w))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ExceptionStream:
logging.debug('Found ExceptionStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.exception = ExceptionList.parse(dir, self.file_handle)
#logging.debug(str(self.comment_w))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.HandleDataStream:
logging.debug('Found HandleDataStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.handles = MinidumpHandleDataStream.parse(dir, self.file_handle)
#logging.debug(str(self.handles))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.FunctionTableStream:
logging.debug('Found FunctionTableStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
logging.debug('Parsing of this stream type is not yet implemented!')
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.UnloadedModuleListStream:
logging.debug('Found UnloadedModuleListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.unloaded_modules = MinidumpUnloadedModuleList.parse(dir, self.file_handle)
#logging.debug(str(self.unloaded_modules))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.MiscInfoStream:
logging.debug('Found MiscInfoStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.misc_info = MinidumpMiscInfo.parse(dir, self.file_handle)
#logging.debug(str(self.misc_info))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.MemoryInfoListStream:
logging.debug('Found MemoryInfoListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.memory_info = MinidumpMemoryInfoList.parse(dir, self.file_handle)
#logging.debug(str(self.memory_info))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ThreadInfoListStream:
logging.debug('Found ThreadInfoListStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
self.thread_info = MinidumpThreadInfoList.parse(dir, self.file_handle)
logging.debug(str(self.thread_info))
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.SystemMemoryInfoStream:
logging.debug('Found SystemMemoryInfoStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
logging.debug('SystemMemoryInfoStream parsing is not implemented (Missing documentation)')
continue
elif dir.StreamType == MINIDUMP_STREAM_TYPE.JavaScriptDataStream:
logging.debug('Found JavaScriptDataStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
logging.debug('JavaScriptDataStream parsing is not implemented (Missing documentation)')
elif dir.StreamType == MINIDUMP_STREAM_TYPE.ProcessVmCountersStream:
logging.debug('Found ProcessVmCountersStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
logging.debug('ProcessVmCountersStream parsing is not implemented (Missing documentation)')
elif dir.StreamType == MINIDUMP_STREAM_TYPE.TokenStream:
logging.debug('Found TokenStream @%x Size: %d' % (dir.Location.Rva, dir.Location.DataSize))
logging.debug('TokenStream parsing is not implemented (Missing documentation)')
else:
logging.debug('Found Unknown Stream! Type: %s @%x Size: %d' % (dir.StreamType.name, dir.Location.Rva, dir.Location.DataSize))
"""
elif dir.StreamType == MINIDUMP_STREAM_TYPE.HandleOperationListStream:
elif dir.StreamType == MINIDUMP_STREAM_TYPE.LastReservedStream:
"""
try:
self.__parse_thread_context()
except Exception as e:
logging.exception('Thread context parsing error!')
def __parse_thread_context(self):
if not self.sysinfo or not self.threads:
return
for thread in self.threads.threads:
rva = thread.ThreadContext.Rva
self.file_handle.seek(rva)
if self.sysinfo.ProcessorArchitecture == PROCESSOR_ARCHITECTURE.AMD64:
thread.ContextObject = CONTEXT.parse(self.file_handle)
elif self.sysinfo.ProcessorArchitecture == PROCESSOR_ARCHITECTURE.INTEL:
thread.ContextObject = WOW64_CONTEXT.parse(self.file_handle)
def __str__(self):
t = '== Minidump File ==\n'
t += str(self.header)
t += str(self.sysinfo)
for dir in self.directories:
t += str(dir) + '\n'
for mod in self.modules.modules:
t += str(mod) + '\n'
if self.memory_segments is not None:
for segment in self.memory_segments.memory_segments:
t+= str(segment) + '\n'
if self.memory_segments_64 is not None:
for segment in self.memory_segments_64.memory_segments:
t+= str(segment) + '\n'
return t