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Copy pathwriter.py
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Copy pathwriter.py
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408 lines (364 loc) · 12.6 KB
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from minidump.constants import MINIDUMP_STREAM_TYPE, MINIDUMP_TYPE
from minidump.header import MinidumpHeader
from minidump.common_structs import MINIDUMP_LOCATION_DESCRIPTOR
from minidump.utils.privileges import enable_debug_privilege
from minidump.utils.winapi.version import GetSystemInfo, GetVersionExW
from minidump.utils.winapi.kernel32 import OpenProcess, PROCESS_ALL_ACCESS, VirtualQueryEx, ReadProcessMemory, CreateToolhelp32Snapshot, Thread32First, Thread32Next
from minidump.utils.winapi.psapi import EnumProcessModules, GetModuleInformation, GetModuleFileNameExW
from minidump.utils.winapi.version import GetFileVersionInfoW
from minidump.streams import MINIDUMP_SYSTEM_INFO, PROCESSOR_ARCHITECTURE, MINIDUMP_MODULE_LIST, \
MINIDUMP_MODULE, VS_FIXEDFILEINFO, MINIDUMP_MEMORY_INFO_LIST, MINIDUMP_MEMORY_INFO, \
AllocationProtect, MemoryType, MemoryState, \
MINIDUMP_MEMORY64_LIST, MINIDUMP_MEMORY_DESCRIPTOR64
from minidump.streams.SystemInfoStream import PROCESSOR_ARCHITECTURE, PRODUCT_TYPE
from minidump.streams.UnloadedModuleListStream import MINIDUMP_UNLOADED_MODULE_LIST
from minidump.streams.HandleDataStream import MINIDUMP_HANDLE_DATA_STREAM
from minidump.streams.ThreadInfoListStream import MINIDUMP_THREAD_INFO_LIST
from minidump.streams.ThreadListStream import MINIDUMP_THREAD_LIST
from minidump.directory import MINIDUMP_DIRECTORY
import io
class MinidumpSystemReader:
def __init__(self):
pass
def setup(self):
pass
def get_sysinfo(self, databuffer):
pass
def get_modules(self, databuffer):
pass
def get_sections(self, databuffer):
pass
def get_memory(self, buffer):
pass
def get_threads(self, databuffer):
pass
def get_exceptions(self, databuffer):
pass
class LiveSystemReader(MinidumpSystemReader):
def __init__(self, pid):
MinidumpSystemReader.__init__(self)
self.pid = pid
self.process_handle = None
self.process_toolhelp_handle = None
self.sysinfo = None
self.meminfolist = None
self.streamtypes = [
MINIDUMP_STREAM_TYPE.SystemInfoStream,
MINIDUMP_STREAM_TYPE.ModuleListStream,
MINIDUMP_STREAM_TYPE.MemoryInfoListStream,
MINIDUMP_STREAM_TYPE.Memory64ListStream,
MINIDUMP_STREAM_TYPE.UnloadedModuleListStream,
MINIDUMP_STREAM_TYPE.HandleDataStream,
MINIDUMP_STREAM_TYPE.ThreadInfoListStream,
#MINIDUMP_STREAM_TYPE.SystemMemoryInfoStream,
MINIDUMP_STREAM_TYPE.ThreadListStream,
]
self.setup()
def get_available_directories(self):
sts = []
for st in self.streamtypes:
memdir = MINIDUMP_DIRECTORY()
memdir.Location = None #location is not needed, only the type
memdir.StreamType = st
sts.append(memdir)
return sts
def open_process(self):
self.process_handle = OpenProcess(PROCESS_ALL_ACCESS, False, self.pid)
def open_toolhelp(self):
self.process_toolhelp_handle = CreateToolhelp32Snapshot(th32ProcessID = self.pid)
def setup(self):
self.open_process()
self.open_toolhelp()
def get_sysinfo(self, databuffer):
#https://docs.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getsysteminfo
sysinfo_raw = GetSystemInfo()
version_raw = GetVersionExW()
sysinfo = MINIDUMP_SYSTEM_INFO()
sysinfo.ProcessorArchitecture = PROCESSOR_ARCHITECTURE(sysinfo_raw.id.w.wProcessorArchitecture)
sysinfo.ProcessorLevel = sysinfo_raw.wProcessorLevel
sysinfo.ProcessorRevision = sysinfo_raw.wProcessorRevision
#sysinfo.Reserved0 = None
sysinfo.NumberOfProcessors = sysinfo_raw.dwNumberOfProcessors
sysinfo.ProductType = PRODUCT_TYPE(version_raw.wProductType)
sysinfo.MajorVersion = version_raw.dwMajorVersion
sysinfo.MinorVersion = version_raw.dwMinorVersion
sysinfo.BuildNumber = version_raw.dwBuildNumber
sysinfo.PlatformId = version_raw.dwPlatformId
sysinfo.CSDVersionRva = 0
#sysinfo.Reserved1 = None
sysinfo.SuiteMask = version_raw.wSuiteMask
#sysinfo.Reserved2 = None
sysinfo.CSDVersion = None #version_raw.szCSDVersion
#below todo, keeping all zeroes for now..
if sysinfo.ProcessorArchitecture == PROCESSOR_ARCHITECTURE.INTEL:
sysinfo.VendorId = [0,0,0]
sysinfo.VersionInformation = 0
sysinfo.FeatureInformation = 0
sysinfo.AMDExtendedCpuFeatures = 0
else:
sysinfo.ProcessorFeatures = [0,0]
self.sysinfo_raw = sysinfo_raw #other functions will be using data from sysinfo so we need to store it!
#p1 = databuffer.tell()
sysinfo.to_buffer(databuffer)
#input('Sysinfo size: %s' % (databuffer.tell() - p1))
def get_threadinfo(self, databuffer):
ti = MINIDUMP_THREAD_INFO_LIST()
ti.NumberOfEntries = 0
ti.to_buffer(databuffer)
def get_handle_data(self, databuffer):
hds = MINIDUMP_HANDLE_DATA_STREAM()
hds.NumberOfDescriptors = 0
hds.to_buffer(databuffer)
def get_unloaded_modules(self, databuffer):
#TODO: implement this. problem: finding an api call that differentiates between loaded and unloaded modules
# currently returning empty list
umodlist = MINIDUMP_UNLOADED_MODULE_LIST()
umodlist.NumberOfEntries = 0
umodlist.to_buffer(databuffer)
def get_modules(self, databuffer):
#https://docs.microsoft.com/en-us/windows/win32/psapi/enumerating-all-modules-for-a-process
#https://docs.microsoft.com/en-us/windows/win32/api/psapi/nf-psapi-enumprocessmodules
#
module_list = MINIDUMP_MODULE_LIST()
for module in EnumProcessModules(self.process_handle):
#print(module)
modinfo = GetModuleInformation(self.process_handle,module)
modname = GetModuleFileNameExW(self.process_handle,module)
#print(modname)
try:
fileversion_raw = GetFileVersionInfoW(modname)
fileversion = VS_FIXEDFILEINFO.from_bytes(fileversion_raw.raw[8+(16*2):])
ts = fileversion.dwFileDateMS << 32 + fileversion.dwFileDateLS
except Exception as e:
print("Failed to get fileversion! Reason: %s " % e)
fileversion = None
ts = 0
mmod = MINIDUMP_MODULE()
mmod.BaseOfImage = modinfo.lpBaseOfDll
mmod.SizeOfImage = modinfo.SizeOfImage
mmod.TimeDateStamp = ts
mmod.ModuleNameRva = None
mmod.VersionInfo = fileversion
mmod.CvRecord = None # TODO?
mmod.MiscRecord = None # TODO?
mmod.ModuleName = modname
module_list.Modules.append(mmod)
module_list.to_buffer(databuffer)
def get_sections(self, databuffer):
#https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualqueryex
meminfolist = MINIDUMP_MEMORY_INFO_LIST()
i = self.sysinfo_raw.lpMinimumApplicationAddress
while i < self.sysinfo_raw.lpMaximumApplicationAddress:
mi_raw = VirtualQueryEx(self.process_handle, i)
mi = MINIDUMP_MEMORY_INFO()
mi.BaseAddress = mi_raw.BaseAddress
mi.AllocationBase = mi_raw.AllocationBase
mi.AllocationProtect = mi_raw.AllocationProtect
mi.RegionSize = mi_raw.RegionSize
try:
mi.State = MemoryState(mi_raw.State)
except:
mi.State = mi_raw.State
try:
mi.Protect = AllocationProtect(mi_raw.Protect)
except:
mi.Protect = mi_raw.Protect
try:
mi.Type = MemoryType(mi_raw.Type)
except:
mi.Type = mi_raw.Type
meminfolist.entries.append(mi)
print(str(mi))
i += mi_raw.RegionSize
self.meminfolist = meminfolist
meminfolist.to_buffer(databuffer)
def get_threads(self, databuffer):
tl = MINIDUMP_THREAD_LIST()
tl.to_buffer(databuffer)
#te = Thread32First(self.process_toolhelp_handle)
#while te is not None:
# dwThreadId = te.th32ThreadID
# te = Thread32Next(process_toolhelp_handle)
#
#
# ('dwSize', DWORD),
#('cntUsage', DWORD),
#('th32ThreadID', DWORD),
#('th32OwnerProcessID', DWORD),
#('tpBasePri', LONG),
#('tpDeltaPri', LONG),
#('dwFlags', DWORD),
def get_exceptions(self, databuffer):
pass
def get_memory(self, buffer):
sp = buffer.tell()
read_flags = [AllocationProtect.PAGE_EXECUTE_READ,
AllocationProtect.PAGE_EXECUTE_READWRITE,
AllocationProtect.PAGE_READONLY,
AllocationProtect.PAGE_EXECUTE,
AllocationProtect.PAGE_READWRITE,
AllocationProtect.PAGE_WRITECOPY
]
memlist = MINIDUMP_MEMORY64_LIST()
memlist.BaseRva = 0 # TODO: check if this is correct!
for section in self.meminfolist.entries:
if section.Protect in read_flags:
memdesc = MINIDUMP_MEMORY_DESCRIPTOR64()
memdesc.StartOfMemoryRange = section.BaseAddress
memdesc.DataSize = section.RegionSize
#print(section.Protect)
#data = ReadProcessMemory(self.process_handle, section.BaseAddress, section.RegionSize)
#input(data)
memlist.MemoryRanges.append(memdesc)
memlist_rva_placeholder_loc = buffer.tell() + 8
memlist.to_buffer(buffer)
memlist_rva = buffer.tell()
buffer.seek(memlist_rva_placeholder_loc,0)
buffer.write(memlist_rva.to_bytes(8, byteorder = 'little', signed = False))
buffer.seek(memlist_rva, 0)
for section in self.meminfolist.entries:
if section.Protect in read_flags:
data = ReadProcessMemory(self.process_handle, section.BaseAddress, section.RegionSize)
if section.RegionSize > len(data):
data += b'\x00' * (section.RegionSize + len(data))
buffer.write(data)
return buffer.tell() - sp #giving back the total size
#
#
#class MinidumpWriter:
# def __init__(self,sysreader):
# self.sysreader = sysreader
# self.output_file = None
#
# self.streams = {} #stream type -> list of stream objects
#
# self.header = None
# self.directory_list = []
# self.directory_rva = 28
# self.header_size = None
#
# self.header_buffer = io.BytesIO()
# self.data_buffer = io.BytesIO()
#
# def prepare_header(self):
# self.header = MinidumpHeader()
# self.header.Version = 1
# self.header.ImplementationVersion = 1
# self.header.NumberOfStreams = len(self.streams) +1 # +1 is fot he memory info stream
# self.header.StreamDirectoryRva = self.directory_rva
# #self.header.CheckSum = None
# #self.header.Reserved = None
# #self.header.TimeDateStamp = None
# self.header.Flags = MINIDUMP_TYPE.MiniDumpWithFullMemory
# self.header_buffer.write(self.header.to_bytes())
#
# def prepare_directory(self):
# curr_pos = self.header_size
# for streamtype in self.streams:
# self.streams[streamtype].to_bytes(self.data_buffer)
# directory = MINIDUMP_DIRECTORY()
# directory.StreamType = streamtype
# directory.Location = curr_pos
# self.header_buffer.write(directory.to_bytes())
#
# def finalize_header(self):
# # currently only using the 32 bit MINIDUMP_LOCATION_DESCRIPTOR, this is because we expect that the header
# # and any data in the header (including all streams data except memory stream) will not be bigger than 4GB
# # memory stream is a special case, as it cvan be longer than 4GB but the RVA to the beginning of the memory stream
# # is not expected to be bigger than 4G max.
# # if this becomes the case then this all will fail :)
# header_size = 28
# header_size += len(self.streams) * 8 #this is for the dictionary itself, not the streams
# for stream in self.streams:
# header_size += self.streams[stream].get_size()
#
# header_size += 10 * 1024 #allocating 10k for the memory info
#
# self.prepare_header()
# self.prepare_directory()
#
#
#
#
#
# def create_streams(self):
# sysinfo = self.sysreader.get_sysinfo()
# self.streams[MINIDUMP_STREAM_TYPE.SystemInfoStream] = sysinfo
#
# print(str(sysinfo))
# moduleinfo = self.sysreader.get_modules()
# self.streams[MINIDUMP_STREAM_TYPE.ModuleListStream] = moduleinfo
#
# sections = self.sysreader.get_sections()
# self.streams[MINIDUMP_STREAM_TYPE.MemoryInfoListStream] = sections
#
# self.finalize_header()
#
# memory = self.sysreader.get_memory()
#
#
# #def get_total_streams_cnt(self):
# # total = 0
# # for t in self.streams:
# # total += len(t)
# # return total
#
#
#
#
#
# #def construct_directory(self):
# #
# # total_streams = self.get_total_streams_cnt()
# #
# # for stype in self.streams:
# # for stream in self.streams[stype]:
# #
# # stream
# #
# # loc = MINIDUMP_LOCATION_DESCRIPTOR()
# # loc.DataSize = 0
# # loc.Rva = 0
# # directory = MINIDUMP_DIRECTORY()
# # directory.StreamType = stream
# # self.directory.append()
#
#
# def write_header(self):
# hdr_pos = self.hdr_buff.tell()
# self.hdr_buff.seek(0,0)
# self.hdr_buff.write(self.construct_header())
# self.hdr_buff.seek(hdr_pos, 0)
# return
#
#
# def construct_directory(self):
# self.sysreader.get_sysinfo(self.hdr_buff, self.data_buff)
# self.stream_cnt += 1
# #modules
# #self.sysreader.get_modules(self.hdr_buff, self.data_buff)
# #self.stream_cnt += 1
#
# #write header
# self.write_header()
#
#
# #append datastream for memory, with correct rva
#
# #dump memory
#
# def run(self):
# self.create_streams()
#
#
if __name__ == '__main__':
import sys
from minidump.minidumpfile import MinidumpFile
pid = int(sys.argv[1])
print(pid)
enable_debug_privilege()
sysreader = LiveSystemReader(pid)
with open('test_new.dmp', 'wb') as f:
mf = MinidumpFile()
mf.writer = sysreader
mf.to_buffer(f)