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    # 2022/05/17 課程共筆 ## 課程資訊 - 資安大小事-Web 與弱點掃描 - 2022/05/17(二) 下午 13:00 ~ 16:00 - Monospace 共同工作空間 - [線上課程連結](https://ctld.webex.com/ctld-tc/j.php?MTID=mcaafa4dabe47a4755447cee650b9b4bb) https://ctld.webex.com/ctld/e.php?MTID=mcd578b2581342b97a3a41fb020c2d8dc ## lab - lab.feifei.tw - kali lab - https://docs.google.com/spreadsheets/d/1Z8LpSpnb5ljQpIwy4Fch57OLznu-Ubp65TgnqPoLz34/edit?usp=sharing - 進行連線 - 使用 ssh ## git - git clone https://github.com/lijiejie/GitHack.git - git clone https://github.com/denny0223/scrabble - 標的 - http://34.125.211.181/ - https://lab.feifei.tw - .git - gitHack步驟 - 登入 kali - ssh - 下載 tool - git clone https://github.com/lijiejie/GitHack.git - 使用工具 - python3 GitHack.py http://34.125.211.181/.git - 查看內容 - cd "網站名稱" - ls - 截圖 - ![](https://i.imgur.com/m8fMQE5.png) - scrabble步驟 - 下載工具 - git clone https://github.com/denny0223/scrabble - 進入工具資料夾 - cd scrabble - 使用工具 - ./scrabble http://34.125.211.181/ - 查看 log - git log - 切換版本 - git checkout <版本hash> - 截圖 - ![](https://i.imgur.com/NEQ73Fn.png) - path scanner - AWVS https://34.125.211.181:13443/ - Username:admin@admin.com - password:Admin123 - 自己安裝 - https://hub.docker.com/r/secfa/docker-awvs - .git 防禦 ``` <Directorymatch "^/.*/\.git/"> Order 'deny,allow' Deny from all </Directorymatch> ``` - nessus - https://docs.tenable.com/nessus/Content/DeployNessusDocker.htm - `docker run --name "container name" -d -p 8834:8834 tenableofficial/nessus` - https://34.125.211.181:8834/#/ - - Metasploit - msfconsole - 透過另一個視窗 ip addr 查看 ip - nmap ip (網段要加/) 找到有問題的 ip - search vsftpd - use exploit/unix/ftp/vsftpd_234_backdoor - options - set RHOSTS "nmap出來的ip" - run ## 課程大綱 - 複習 - SQL injection - 網站常見弱點 - XSS - RCE 的危害 - 弱點掃描實務 - 系統型弱點掃描工具 - nessus - 安裝與使用 - OPEN VAS - 網站型弱點掃描工具 - AWVS - 安裝與使用 - OWASP ZAP - 弱點資料庫 - ATT&ACK - 滲透測試工具 - Metasploit - 滲透測試-提權 - [linux](https://gtfobins.github.io/) - [windows](https://github.com/AonCyberLabs/Windows-Exploit-Suggester) - [windows-kernel](https://github.com/SecWiki/windows-kernel-exploits) - - 結論 ## 許願池[你有特別想聽的弱點/手法/問題] > [name=飛]歡迎大家留下自己的問題,可以幫大家解答 > [name=Tilda]針對弱掃的部分: > 1. AWS 等等的雲端服務該怎麼使用弱掃呢? > 要告知雲端服務商要進行弱掃、滲透測試,告知時間(開始至結束),不然會有額外支出或被 ban 的情況XD > S3-Bucket > EC2-如果是使用像 EC2 的 web server? > 2. 配合 gitlab/github 做 CI/CD 時,如何將每次的基本弱掃套用進入測試 [OpenVAS](https://ithelp.ithome.com.tw/articles/10216345) > 3. 對於一個 App/Web 最基本的弱掃該達到什麼程度呢? > > - 筆記 #### .git 洩漏 - http://34.125.211.181/.git/ 網址上加上 /.git,結果會 Forbidden - http://34.125.211.181/.git/config 再加上 /config ,就可以看到資料內容 - python3 GitHack.py [網址] 取得帳號密碼(無git紀錄) - ./scrabble [網址] 取得git紀錄 #### 外洩掃描 - shodan.io - ip 開了哪些 port ? - 已知、可能漏洞有哪些? - 位置在哪? - Synology 上的漏洞? - 也有教育方案! - - zoomeye - 中國版的 shodan - 針對於美國、台灣 - DNS - dnsdumpster.com - 圖形化檢視 - #### 弱點掃描 - Acunetix - 錄下執行過程 - 登入/商業邏輯測試等內容 - 掃描盡量要把 client 打開 - 爬蟲檢查哪些頁面可掃描 - 弱點列表 - 針對各種級別弱點,如何影響?如何修復? - 可能會有誤判情形,不可盡信 #### 滲透測試:弱點攻擊 - Metasploit - 駭客常用(好玩?:D - msfconsole - 搜尋攻擊腳本並使用 - #### ATT&CK:攻擊手法資料庫 - ICS #### 需要的能力 - ![](https://i.imgur.com/O2nyyzh.png) #### 案例分享 - vtuber 的 git 洩漏 - 哪些內容該被版本控制? - https://lab.feifei.tw/practice/xss/ #### 小結 - 輸入輸出不信任 - 套件系統常更新 - 權限控管要確實

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