【script】python 解析 Windows日志（python-evtx）

Windows日志 模块安装

pip install python-evtx

Windows日志 解析源码

源码

import mmap
import contextlib
from Evtx.Evtx import FileHeader
from Evtx.Views import evtx_file_xml_view
from xml.dom import minidom

def log_get(evtxpath):
    with open(evtxpath, 'r') as f:
        with contextlib.closing(mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)) as buf:
            content_dict = {}
            fh = FileHeader(buf, 0)
            # 遍历每条日志信息
            for xml, record in evtx_file_xml_view(fh):
                content_dict = {}
                domtree = minidom.parseString(xml)
                # 获取事件标准信息（System）
                content_dict['Channel'] = domtree.getElementsByTagName('Channel')[0].childNodes[0].data
                content_dict['SystemTime'] = domtree.getElementsByTagName('TimeCreated')[0].getAttribute('SystemTime')[:-7]
                content_dict['EventID'] = domtree.getElementsByTagName('EventID')[0].childNodes[0].data
                content_dict['Level'] = domtree.getElementsByTagName('Level')[0].childNodes[0].data
                content_dict['UserID'] = domtree.getElementsByTagName('Security')[0].getAttribute('UserID')
                content_dict['ProcessID'] = domtree.getElementsByTagName('Execution')[0].getAttribute('ProcessID')
                content_dict['Computer'] = domtree.getElementsByTagName('Computer')[0].childNodes[0].data
                # 获取事件详情信息（EventData）
                for data in domtree.getElementsByTagName('Data'):
                    if len(data.childNodes):
                        content_dict['EventData_' + data.getAttribute('Name')] = data.childNodes[0].data
                # 获取用户数据信息（UserData）
                userdata_dict = {'ServerName', 'UserName', 'Param1'}
                for userdata in userdata_dict:
                    if len(domtree.getElementsByTagName(userdata)):
                        content_dict['UserData_' + userdata] = domtree.getElementsByTagName(userdata)[0].childNodes[0].data
                content_list.append(content_dict)
        f.close()

log_get('./evt/Security.evtx')

解析

代码中的每个部分与事件查看器中xml形式的内容都是一一对应的，如下图所示：