Nguyen The Duc

@ducnt_

Just another web warrior ⚔️ | Security Researcher | Sr. Security Engineer | CTF player && | Bug bounty hunter

Hồ Chí Minh, Việt Nam  
Đã tham gia tháng 2 năm 2017

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  1. Tweet đã ghim
    8 thg 1
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  2. 1 giờ trước

    I really happy to share an article that bypass Akamai web application firewall and exploit a SQL Injection vulnerability. Hope this article will help someone in the same situation :).

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  3. đã Tweet lại
    30 thg 3

    昼に「WindowsのSMBの脆弱性の実用的な検証コードがもうすぐ公開されるかも」みたいなことを投稿しましたが、つい先ほど公開されました。まだセキュリティ更新プログラムを適用していない人は、速やかに適用しましょう。

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  4. đã Tweet lại
    29 thg 3

    My last article: Bypass Content-Security-Policy by hiding JavaScript in a PNG image.

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  5. đã Tweet lại
    29 thg 3

    Did you know that / CVE-2020-0796 can be used for a Local Privilege Escalation? We'll post the details + POC in the next few days and in the meantime:

    Hiện chuỗi hội thoại này
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  6. đã Tweet lại
    28 thg 2

    it took me two days to finish the analysis of cve-2020-6418, amazing vuln, learned a lot from this bug. thanks to here is the github repo: and here is the writeup:

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  7. đã Tweet lại
    20 thg 3

    Had fun today writing a .NET exploit for 's CVE-2020-0787 BITS LPE and UsoLoader technique. Check out his blog posts and research if you haven't already. They are all brilliant 👏🙏

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  8. đã Tweet lại

    Confirmed! combined an info leak & an uninitialized variable in to pop calc on the host OS. He earned himself $40,000 and 4 points towards Master of Pwn.

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  9. đã Tweet lại
    18 thg 3

    "XXE-scape through the front door: circumventing the firewall with HTTP request smuggling" - read my write-up about a pretty cool way in which I bypassed a firewall stopping me from exploiting an XXE vulnerability.

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  10. đã Tweet lại
    18 thg 3
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  11. đã Tweet lại
    16 thg 3

    The December update to HTTP Request Smuggler added a new desync technique by - he's just blogged the full details here:

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  12. đã Tweet lại
    16 thg 3

    "CVE-2020-0796 Pre-Auth POC" Tl;Dr: Only DoS by BSOD so far. No RCE proof-of-concept out yet.

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  13. đã Tweet lại
    12 thg 3
    Đang trả lời

    we really out here and aren't lackin

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  14. đã Tweet lại

    I have something fun for you, I pulled the javascript interpreter out of Avast and ported it to Linux 😆 This runs unsandboxed as SYSTEM, any vulns are wormable pre-auth RCE on 400M endpoints  ¯\_(ツ)_/¯ 🐧

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    4 thg 3
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  16. đã Tweet lại
    2 thg 3

    This blog post should be useful for those who also know how SharePoint works: - I've shown how code injection can aid to bypass some misconfigs in .NET + some thoughts for actual bypasses if you've research time!

    Hiện chuỗi hội thoại này
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  17. 27 thg 2

    Filed a duplicate with gr8 bug was found by but can reopen it with a triaged issue. Really a excited moment.

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  18. đã Tweet lại
    25 thg 2

    New blog post! Here is how you can use MSBuild’s UnregisterAssembly task to execute arbitrary code in a .NET assembly. ⤵️

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  19. đã Tweet lại
    21 thg 2

    Just wrote a new article about how I found a Remote Command Execution 0-day (CVE-2020-8813) via static analysis in Cacti v1.2.8 the popular infrastructure graphing solution. I also explained how to exploit it without authentication in some cases.

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  20. đã Tweet lại
    18 thg 2

    Slides from my talk on iMessage exploitation: More technical details in the blog post: Great conference again, thanks team! :)

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  21. đã Tweet lại
    18 thg 2

    [PoC] CVE-2020-0618 Microsoft SQL Server Reporting Services RCE Vulnerability POST /ReportServer/pages/ReportViewer.aspx HTTP/1.1 Host: target ... ... NavigationCorrector$PageState=NeedsCorrection&NavigationCorrector$ViewState=[PayloadHere]&__VIEWSTATE=

    Phương tiện này có thể chứa nội dung nhạy cảm. Tìm hiểu thêm
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