/usr/bin/evtx_dump_chunk_slack.py is in python-evtx 0.6.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | #!/usr/bin/python
# This file is part of python-evtx.
#
# Copyright 2015 Willi Ballenthin <william.ballenthin@mandiant.com>
# while at Mandiant <http://www.mandiant.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import mmap
import sys
import contextlib
import argparse
from Evtx.Evtx import FileHeader
def main():
parser = argparse.ArgumentParser(
description="Dump the slack space of an EVTX file.")
parser.add_argument("evtx", type=str,
help="Path to the Windows EVTX event log file")
args = parser.parse_args()
with open(args.evtx, 'r') as f:
with contextlib.closing(mmap.mmap(f.fileno(), 0,
access=mmap.ACCESS_READ)) as buf:
fh = FileHeader(buf, 0x0)
for chunk in fh.chunks():
chunk_start = chunk.offset()
last_allocated_offset = chunk_start
for record in chunk.records():
last_allocated_offset = record.offset() + record.size()
sys.stdout.write(buf[last_allocated_offset:chunk_start + 0x10000])
if __name__ == "__main__":
main()
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