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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; "> <TITLE>鳥哥的 Linux 私房菜 -- Code Red 偵測法</TITLE> <META NAME="GENERATOR" CONTENT="WPS Office Storm Beta 1.0 (Win32)"> <META NAME="AUTHOR" CONTENT="VBird"> <META NAME="CREATED" CONTENT="20051210;17344923"> <META NAME="CHANGED" CONTENT="20051210;17371670"> <META NAME="Microsoft Theme" CONTENT="strart 101"> <META NAME="Microsoft Border" CONTENT="none, default"></HEAD><BODY LANG="zh-CN" BACKGROUND="http://linux.vbird.org/VBirdLinux.jpg" DIR="LTR"><P ALIGN=CENTER STYLE="margin-bottom: 0cm"><FONT COLOR="#3333ff"><B><FONT FACE="SimSun" SIZE="5">鸟哥的</FONT></B><SPAN LANG="en-US"><FONT FACE="Tahoma, serif"><B><FONT FACE="Times New Roman, Times" SIZE="5">Linux </FONT></B></FONT></SPAN><B><FONT FACE="SimSun" SIZE="5">与</FONT></B><SPAN LANG="en-US"><FONT FACE="Tahoma, serif"><B><FONT FACE="Times New Roman, Times" SIZE="5">ADSL </FONT></B></FONT></SPAN><B><FONT FACE="SimSun" SIZE="5">私房菜</FONT></B></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><BR><A HREF="http://linux.vbird.org/" TARGET="_top"><IMG SRC="http://linux.vbird.org/VBirdTitle2.jpg" NAME="图形1" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/linux_basic"><IMG SRC="http://linux.vbird.org/icon_system.gif" NAME="图形2" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/linux_server"><IMG SRC="http://linux.vbird.org/icon_server.gif" NAME="图形3" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/linux_security"><IMG SRC="http://linux.vbird.org/icon_security.jpg" NAME="图形4" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://phorum.vbird.org/" TARGET="_blank"><IMG SRC="http://linux.vbird.org/icon_forums.gif" NAME="图形5" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/adsl"><IMG SRC="http://linux.vbird.org/icon_adsl.gif" NAME="图形6" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A></SPAN></FONT></P><HR><P STYLE="margin-bottom: 0cm"><FONT COLOR="#3333ff" FACE="SimSun" SIZE="5">检测红色警戒文档</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"></SPAN></FONT></P><P ALIGN=RIGHT STYLE="margin-bottom: 0cm"><FONT COLOR="#3333ff"><FONT FACE="SimSun" SIZE="2">最近更新日期：</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><FONT FACE="SimSun" SIZE="2">2001/09/17</FONT></SPAN></FONT></FONT></P><HR><P><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><BR></SPAN></FONT><FONT COLOR="#3333ff"><FONT SIZE=4>针对当前很凶狠的</FONT><SPAN LANG="en-US"><FONT SIZE=4 FACE="Tahoma, serif">CodeRed</FONT></SPAN><FONT SIZE=4>（红色警戒病虫）在</FONT><SPAN LANG="en-US"><FONT SIZE=4 FACE="Tahoma, serif">RedHat </FONT></SPAN><FONT SIZE=4>下的检测方法</FONT></FONT><FONT SIZE=4>：</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"></SPAN></FONT></P><UL> <P><FONT COLOR="#000099" FACE="Times New Roman Baltic">前言：</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <BR></SPAN></FONT><FONT COLOR="#000000"><FONT FACE="Times New Roman Baltic">这只病虫对于</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> Linux </FONT></SPAN><FONT FACE="Times New Roman Baltic">并不会有危害，但是对于微软的窗口（尤其是</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> windows2000 </FONT></SPAN><FONT FACE="Times New Roman Baltic">服务器）则攻击得很凶，虽然有消息指出可能是大陆方面的杰作，但是已经造成这么大的问题了，我们应该好好来防制一下罗！</FONT></FONT></P></UL><UL> <P STYLE="margin-bottom: 0cm"> <FONT COLOR="#000099" FACE="Times New Roman Baltic">入侵方向与分析原理：</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <BR></SPAN></FONT><FONT COLOR="#000000"><FONT FACE="Times New Roman Baltic">其实这只病虫主要是针对微软在</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW server </FONT></SPAN><FONT FACE="Times New Roman Baltic">的漏洞进行破坏的行为，我们知道</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW Server </FONT></SPAN><FONT FACE="Times New Roman Baltic">的</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> port </FONT></SPAN><FONT FACE="Times New Roman Baltic">（可想成是通信通道）是</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> 80 </FONT></SPAN><FONT FACE="Times New Roman Baltic">（请参考</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> <A HREF="../../linux_server/redhat6.1/linux_26wwwapache.php.html">WWW Server </A></FONT></SPAN><FONT FACE="Times New Roman Baltic">那一篇文章吧），而</FONT></FONT><FONT COLOR="#3333ff" FACE="Times New Roman Baltic">红色警戒就是藉由</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic" COLOR="#3333ff"> 80 port </FONT></SPAN></FONT><FONT COLOR="#3333ff"><FONT FACE="Times New Roman Baltic">来注册服务器的</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW </FONT></SPAN><FONT FACE="Times New Roman Baltic">服务</FONT></FONT><FONT COLOR="#000000" FACE="Times New Roman Baltic">，然后再进行破坏行为。那由于</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic" COLOR="#000000"> Linux </FONT></SPAN></FONT><FONT COLOR="#000000"><FONT FACE="Times New Roman Baltic">的主机若有开放</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> port 80 </FONT></SPAN><FONT FACE="Times New Roman Baltic">作为</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW </FONT></SPAN><FONT FACE="Times New Roman Baltic">服务器的话，就会有登录档呀！那如果红色警戒这只病虫尝试来注册你的</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> Linux </FONT></SPAN><FONT FACE="Times New Roman Baltic">系统时，由于他是经由</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> port 80</FONT></SPAN><FONT FACE="Times New Roman Baltic">，所以就会在你的网页服务器的登录档中留下记录，通常如果你是照鸟哥的方法来编译的你的</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW Apache Server </FONT></SPAN><FONT FACE="Times New Roman Baltic">时，则你的</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> WWW </FONT></SPAN><FONT FACE="Times New Roman Baltic">网页登录档应该是在</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> /usr/local/apache/logs/access_log </FONT></SPAN><FONT FACE="Times New Roman Baltic">这个文件，这个文件的内容有点象这样：</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <BR> </SPAN></FONT> </P> <TABLE COLS=1 WIDTH=90% CELLPADDING=2 CELLSPACING=2 BGCOLOR="#000000"> <TR> <TD> <FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">61.224.44.98 - - [17/Sep/2001:15:43:28 +0800] "GET /~vbird/linux_live/index.php HTTP/1.0" 200 893</FONT> <BR><FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">211.74.244.91 - - [17/Sep/2001:15:43:28 +0800] "GET /~vbird/linux_live/index.php HTTP/1.1" 200 905</FONT> <BR><FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">211.74.210.189 - - [17/Sep/2001:15:43:29 +0800] "GET /~vbird/linux_live/index.php HTTP/1.1" 200 905</FONT> <BR><FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">140.116.44.172 - - [17/Sep/2001:15:43:33 +0800] "GET /~vbird/linux_live/index.php HTTP/1.1" 200 977</FONT> <BR><FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">61.217.51.146 - - [17/Sep/2001:15:43:53 +0800] "GET /favicon.ico HTTP/1.1" 404 294</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">140.116.227.80 - - [17/Sep/2001:15:43:56 +0800] "GET /default.ida?XXXXXXXXXXXXXX</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%u9090%u6858%ucbd3%u7801%u9090</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u</FONT> <BR><FONT COLOR="#ffff00" FACE="SimSun" SIZE="2">531b%u53ff%u0078%u0000%u00=a HTTP/1.0" 404 282</FONT> <BR> <FONT COLOR="#ffffff" FACE="SimSun" SIZE="2">211.74.244.91 - - [17/Sep/2001:15:43:59 +0800] "GET /~vbird/linux_live/index.php HTTP/1.1" 200 827</FONT></SPAN></FONT></TD> </TR> </TABLE> <P><FONT COLOR="#000000">象上面这个例子中，第一行中，<SPAN LANG="en-US"><FONT FACE="Tahoma, serif">61.224.44.98 </FONT></SPAN>指的是使用你<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> WWW </FONT></SPAN>服务器的主机名称，后面接的是注册的日期，然后<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> GET </FONT></SPAN>后面接的是<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> WWW </FONT></SPAN>服务器传送的文件，而在</FONT><FONT COLOR="#3333ff">黄色的部分则是当<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> CodeRed </FONT></SPAN>尝试注册你的<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> WWW </FONT></SPAN>服务器时，由于系统不是<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> Windows2000 </FONT></SPAN>所以会显示的错误信息</FONT><FONT COLOR="#000000">！因此，我们只要分析登录档（<SPAN LANG="en-US"><FONT FACE="Tahoma, serif">access_log</FONT></SPAN>）就可以知道哪一个<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> IP </FONT></SPAN>已经中毒了！（就是看前面的<SPAN LANG="en-US"><FONT FACE="Tahoma, serif"> IP </FONT></SPAN>罗）</FONT></P></UL><UL> <P STYLE="margin-bottom: 0cm"><FONT FACE="Times New Roman Baltic"><FONT COLOR="#000099">病虫的危害性质</FONT><FONT COLOR="#000000">：</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <BR></SPAN></FONT><FONT COLOR="#000000"><FONT FACE="Times New Roman Baltic">在已经公布的数据中，</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> Code Red </FONT></SPAN><FONT FACE="Times New Roman Baltic">的危害程度与性质你可以到下面的网页中查询道：</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> </SPAN></FONT> </P> <UL> <LI><P STYLE="margin-bottom: 0cm"><FONT COLOR="#000000"><A HREF="http://w5.dj.net.tw/~ggreat/hot/Codered2.htm" TARGET="_blank"><FONT FACE="Times New Roman Baltic">金帅（</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic">ZLock</FONT></SPAN><FONT FACE="Times New Roman Baltic">）防毒中心</FONT></A><FONT FACE="Times New Roman Baltic">；</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> </SPAN></FONT> </P> <LI><P STYLE="margin-bottom: 0cm"><FONT COLOR="#000000"><A HREF="http://www.trend.com.tw/EncyclopediaV2/vinfo/virusencyclo/default5.asp?VName=CODERED.A" TARGET="_blank"><FONT FACE="Times New Roman Baltic">趋势（</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic">Trend</FONT></SPAN><FONT FACE="Times New Roman Baltic">）</FONT></A><FONT FACE="Times New Roman Baltic">；</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> </SPAN></FONT> </P> <LI><FONT COLOR="#000000" FACE="Times New Roman Baltic"><A HREF="http://netlab.kh.edu.tw/board/view_top.asp?messageid=3120" TARGET="_blank">技朮通报</A>；</FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> </SPAN></FONT> </UL></UL><UL> <P STYLE="margin-bottom: 0cm"><FONT FACE="Times New Roman Baltic"><FONT COLOR="#000099">实例</FONT><FONT COLOR="#000000">：</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> </SPAN></FONT> </P> <UL> <LI><FONT COLOR="#000000"><A HREF="01codered_1.txt"><FONT FACE="Times New Roman Baltic">在</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> Linux </FONT></SPAN><FONT FACE="Times New Roman Baltic">下面的第一个例子（参考仁德医专</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> </FONT></SPAN><FONT FACE="Times New Roman Baltic">周定贤老师</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> </FONT></SPAN><FONT FACE="Times New Roman Baltic">的写法）</FONT></A><FONT FACE="Times New Roman Baltic">：</FONT></FONT><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"> <BR></SPAN></FONT><FONT COLOR="#000000"><FONT FACE="Times New Roman Baltic">这个例子可以每天将你的主机中，将尝试侵入你主机的计算机</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> IP </FONT></SPAN><FONT FACE="Times New Roman Baltic">列出来，并且每</FONT><SPAN LANG="en-US"><FONT FACE="Times New Roman Baltic"> 5 </FONT></SPAN><FONT FACE="Times New Roman Baltic">分钟更新一次！</FONT></FONT></UL></UL><HR><P ALIGN=CENTER STYLE="margin-bottom: 0cm"><A HREF="http://linux.vbird.org/" TARGET="_top"><IMG SRC="http://linux.vbird.org/VBirdTitle2.jpg" NAME="图形7" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><FONT FACE="Tahoma, serif"><SPAN LANG="en-US"><A HREF="http://linux.vbird.org/linux_basic"><IMG SRC="http://linux.vbird.org/icon_system.gif" NAME="图形8" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/linux_server"><IMG SRC="http://linux.vbird.org/icon_server.gif" NAME="图形9" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/linux_security"><IMG SRC="http://linux.vbird.org/icon_security.jpg" NAME="图形10" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://phorum.vbird.org/" TARGET="_blank"><IMG SRC="http://linux.vbird.org/icon_forums.gif" NAME="图形11" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><A HREF="http://linux.vbird.org/adsl"><IMG SRC="http://linux.vbird.org/icon_adsl.gif" NAME="图形12" ALIGN=BOTTOM WIDTH=90 HEIGHT=25 BORDER=0></A><BR><FONT COLOR="#000066" SIZE="2">Designed by <A HREF="mailto:vbird@tsai.adsldns.org">VBird</A>during 2001-2004. Aerosol Lab.</FONT></SPAN></FONT></P></BODY></HTML>⌨️ 快捷键说明
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