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The $WinREAgent folder is created during a Windows Update or upgrade and contains temporary files that allow you to recover Windows 10 if there are problems during the upgrade or update.

总结一下:

$WinREAgent 文件夹是WIndows10更新是产生的, 用于存放更新失败恢复的文件. 更新之后可以随意删除.

探测目标主机操作系统类型

示例1

nmap aliyun.com -O
Starting Nmap 7.91 ( https://nmap.org ) at 2020-11-26 20:04 ?D1ú±ê×?ê±??
Nmap scan report for aliyun.com (106.11.248.144)
Host is up (0.025s latency).
Other addresses for aliyun.com (not scanned): 106.11.172.56 106.11.172.51 106.11.172.9 140.205.135.3 140.205.60.46 106.11.253.86 106.11.253.83 106.11.249.99 106.11.248.146
Not shown: 998 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Device type: proxy server
Running (JUST GUESSING): Blue Coat embedded (86%)
OS CPE: cpe:/h:bluecoat:packetshaper
Aggressive OS guesses: Blue Coat PacketShaper appliance (86%)
No exact OS matches for host (test conditions non-ideal).

OS detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 10.86 seconds

探测扫描结果:

Aggressive OS guesses: Blue Coat PacketShaper appliance (86%)

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在使用nmap扫描目标主机时:

nmap –osscan-guess www.minzhuokj.com
Starting Nmap 7.91 ( https://nmap.org ) at 2020-11-26 19:44 ?D1ú±ê×?ê±??
Nmap scan report for www.minzhuokj.com (39.96.251.199)
Host is up (0.025s latency).

PORT STATE SERVICE
1/tcp open tcpmux
3/tcp open compressnet
4/tcp open unknown
6/tcp open unknown
7/tcp open echo
9/tcp open discard
13/tcp open daytime
17/tcp open qotd
19/tcp open chargen
20/tcp open ftp-data
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
24/tcp open priv-mail
25/tcp open smtp
26/tcp open rsftp

发现 ssh22 号端口开放, 于是尝试连接:

ssh.exe 39.96.251.199
ssh_exchange_identification: read: Connection reset

正常情况应该是提示输入用户名密码.

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概述

简单来说, hexo是一个博客系统, 通过markdown文章, 自动生成静态站点. 类似的东西还有很多, 或者说是快速搭建博客的东西有很多. hexo官网

  • 大的有(用这些关键字网上就能搜出来)

    1. 开源贴吧系统
    2. 开源论坛系统 eg: Discuz
    3. 成套的博客系统 eg: WordPress
    4. 各种开源各种类型网站/系统
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