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資安事件處理案例之說明與分析

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資安事件處理案例之說明與分析. 行政院 國家資通安全會報 技術服務中心 游 欣 煌 MCSE SCSA CCNP CISSP BS 7799 Lead Auditor 中華民國九十二年十二月五日星期五. Outline. 前言 協力廠商濫用事件 存取控制以及 IIS 設定不當的漏洞 事件 FrontPage Server Extension 漏洞 事件 SQL Injection 漏洞竄改網頁張貼消息 事件 OfficeScan 隱含弱點事件 結 語. 層出不窮的 Internet 資訊安全事件. 1996 年 9 月 - PowerPoint PPT Presentation

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120013
20019
20038
20014


Web Mail Mail Mail
WebDAV Win 98 Win 2000 IIS Exchange




OPTIONS / - 200
PROPFIND / - 207
PROPFIND / - 207
PROPFIND / - 207
204
207
503 Service Gateway 200

HTTP/1.1 () Web



WebDAV table Fred
?

Web
Web Web FTP NTFS Windows
Web FTP Windows IUSR_
NTFS Web FTP Web FTP


IP IIS IP IP 403
IIS Windows 403
IIS Web 403
Web
IIS NTFS NTFS 401
NTFS
Content-Length: 0
Accept-Ranges: bytes
DASL: <DAV:sql>
DAV: 1, 2
Public: OPTIONS, TRACE, GET, HEAD, DELETE, PUT, POST, COPY, MOVE, MKCOL, PROPFIND, PROPPATCH, LOCK, UNLOCK, SEARCH
Allow: OPTIONS, TRACE, GET, HEAD, DELETE, PUT, POST, COPY, MOVE, MKCOL, PROPFIND, PROPPATCH, LOCK, UNLOCK, SEARCH
Cache-Control: private
PROPFIND /dir/ HTTP/1.1
registry value:
FrontPage WebDAV

Web ( %SystemDrive%\Inetpub\wwwroot) Internet (IUSR_MachineName) Everyone

Web






FrontPage Server Extensions ?
FrontPage HTML Web Script


!!!!!! Windows Everyone !!!!!!!
!!!! FrontPage Server Extensions !!!!


POST /_vti_bin/shtml.dll - 200 MSFrontPage/5.0
POST /_vti_bin/_vti_aut/author.dll - 200 MSFrontPage/5.0

[_vti_bin]

(C:\inetpub\wwwroot\)
FrontPage Server Extensions (C:\Program Files\Common Files\Microsoft Shared\WebServerExtensions\40\isapi)
Everyone “”


SQL
A123456789 1234
ASP( or PHPJSP)(' ')

SQL
Email Address
HTML Input MaxLength JScript ( Form Action Input MaxLength )
ASP SQL Server sa Sysadmin
sa SQL Server 7.0 sa

http://www.microsoft.com/taiwan/sql/SQL_Injection_G2.htm



GET /scripts/..%5c../winnt/system32/cmd.exe /c+dir 500 -
GET /_vti_bin/..%5c../..%5c../..%5c../winnt/system32/cmd.exe /c+dir 500 -
GET /default.ida XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u531b%u53ff%u0078%u0000%u00=a 200 -
OPTIONS / - 200 Microsoft-WebDAV-MiniRedir/5.1.2600
Trend Micro OfficeScan Corporate Edition 3.0
Trend Micro OfficeScan Corporate Edition 3.5
Trend Micro OfficeScan Corporate Edition 3.11
Trend Micro OfficeScan Corporate Edition 3.13
Trend Micro OfficeScan Corporate Edition 3.54
Trend Micro Virus Buster Corporate Edition 3.52
Trend Micro Virus Buster Corporate Edition 3.53
Trend Micro Virus Buster Corporate Edition 3.54