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病毒:BDS/Cycbot.B.726
发现日期:13/12/2012
类型:后门程序服务器
广泛传播:
病毒传播个案呈报:低程度
感染/传播能力:低程度
破坏 / 损害程度:中等程度
文件大小:177.152 字节
MD5 校检和:5A87CEFC7A2DBD28A9764853CD92AFE9
VDF 版本:7.11.53.216 - 2012년 12월 13일 목요일
IVDF 版本:7.11.53.216 - 2012년 12월 13일 목요일

 况概描述 传播方法:
   • 无内置传播例程


别名:
   •  TrendMicro: BKDR_CYCBOT.SMIB
   •  Sophos: Mal/FakeAV-IS
   •  Microsoft: Backdoor:Win32/Cycbot.B


平台/操作系统:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7


副作用:
   • 第三方控件
   • 植入文件
   • 注册表修改
   • 窃取信息

 文件 它将本身复制到以下位置:
   • %APPDATA%\Microsoft\conhost.exe



创建以下文件:

– %TEMPDIR%\csrss.exe 进一步的调查表明,此文件是恶意软件。 检测为: TR/Gendal.6363163

– %APPDATA%\dwm.exe 进一步的调查表明,此文件是恶意软件。 检测为: TR/Gendal.kdznnf

 注册表 会添加以下某个注册值,以便在重新引导后运行进程:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "conhost"="%APPDATA%\Microsoft\conhost.exe"



会添加以下注册表项目注册值:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   • "ProxyServer"="http=127.0.0.1:%数字%"

– [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Shell"="explorer.exe,%APPDATA%\dwm.exe"



会更改以下注册表项:

– [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows]
   新值:
   • "load"="%TEMPDIR%\csrss.exe"

 进程终止 会终止具有以下某个字符串的进程:
   • Avast
   • AVG
   • Avira
   • BitDefender
   • Dr.Web
   • ESET NOD32
   • Kaspersky
   • McAfee
   • Norton


 后门程序 会打开以下端口:

%执行的文件% 在随机 TCP 端口上 以便提供后门功能。
%执行的文件% 在随机 TCP 端口上 以便提供代理服务器。
– svchost.exe 在 UDP 端口上 1032 以便提供后门功能。


访问服务器:
以下所有内容:
   • http://**********ystemsone.com/blog/images/3521.jpg
   • http://**********lprocessoffline.com/blog/images/3521.jpg
   • http://**********airshampoo.com/blog/images/3521.jpg
   • http://**********badhead.com/blog/images/3521.jpg
   • http://**********eservermonitorings.com/blog/images/3521.jpg
   • http://**********nlinefreelibrarry.com/blog/images/3521.jpg
   • http://**********hopsonline.com/blog/images/3521.jpg
   • http://**********urityshllsonline.com/blog/images/3521.jpg
   • http://**********oroskopia.com/blog/images/3521.jpg
   • http://**********ewhoisdb.com/blog/images/3521.jpg
   • http://**********programmingshool.com/blog/images/3521.jpg
   • http://**********ssecureonline.com/blog/images/3521.jpg
   • http://**********bukaclubonline.com/blog/images/3521.jpg
   • http://**********midioz.com/blog/images/3521.jpg
   • http://**********ystemsone.com/blog/images/3522.jpg
   • http://**********lprocessoffline.com/blog/images/3522.jpg
   • http://**********airshampoo.com/blog/images/3522.jpg
   • http://**********badhead.com/blog/images/3522.jpg
   • http://**********eservermonitorings.com/blog/images/3522.jpg
   • http://**********nlinefreelibrarry.com/blog/images/3522.jpg
   • http://**********hopsonline.com/blog/images/3522.jpg
   • http://**********urityshllsonline.com/blog/images/3522.jpg
   • http://**********oroskopia.com/blog/images/3522.jpg
   • http://**********ewhoisdb.com/blog/images/3522.jpg
   • http://**********programmingshool.com/blog/images/3522.jpg
   • http://**********ssecureonline.com/blog/images/3522.jpg
   • http://**********bukaclubonline.com/blog/images/3522.jpg
   • http://**********midioz.com/blog/images/3522.jpg
   • http://**********ystemsone.com/blog/images/3523.jpg
   • http://**********lprocessoffline.com/blog/images/3523.jpg
   • http://**********airshampoo.com/blog/images/3523.jpg
   • http://**********badhead.com/blog/images/3523.jpg
   • http://**********eservermonitorings.com/blog/images/3523.jpg
   • http://**********nlinefreelibrarry.com/blog/images/3523.jpg
   • http://**********hopsonline.com/blog/images/3523.jpg
   • http://**********urityshllsonline.com/blog/images/3523.jpg
   • http://**********oroskopia.com/blog/images/3523.jpg
   • http://**********ewhoisdb.com/blog/images/3523.jpg
   • http://**********programmingshool.com/blog/images/3523.jpg
   • http://**********ssecureonline.com/blog/images/3523.jpg
   • http://**********bukaclubonline.com/blog/images/3523.jpg
   • http://**********midioz.com/blog/images/3523.jpg
   • http://**********ochrom.at/polytheism/pictures/TanzenderShiva.jpg
   • http://**********zyleafdesign.com/blog/images/share/stumble.png
   • http://**********zyleafdesign.com/blog/images/share/facebook.png
   • http://**********lsoftwaredevelopment.com/WindowsLiveWriter/web-2_0_thumb_1.gif
   • http://**********vatar.com/avatar.php?gravatar_id=f2a3889aff6fc9711a3cbcfe64067be1
   • http://**********vatar.com/avatar.php?gravatar_id=f2a3889aff6fc9711a3cbcfe64067be2
   • http://**********usho.com/wp-content/uploads/2010/09/web-20-what-is-300x251.jpg
   • http://**********k.com/img/icons/twitter.png
   • http://**********k.com/img/icons/facebook.png
   • http://**********lthylifenow.com/templates/7348/images/header_logo.jpg
   • http://**********lthylifenow.com/templates/7349/images/header_logo.jpg
   • http://**********landandbarrett.com/images/footer/account.jpg
   • http://**********landandbarrett.com/images/footer/account.gif
   • http://**********ionsautoelectric.com/images/50-217-1_F_1_.jpg
   • http://**********ionsautoelectric.com/images/50-217-1_F_2_.jpg
   • http://**********inebizdirectory.com/images/PowerShowBanner.gif
   • http://**********inebizdirectory.com/images/PowerHideBanner.gif
   • http://**********tpropaganda.net/blog/pics/3321.jpg
   • http://**********tpropaganda.net/blog/pics/3322.jpg
   • http://**********anesegreenteaonline.com/assets/images/greentea-cha-1.gif
   • http://**********anesegreenteaonline.com/assets/images/greentea-cha-2.gif
   • http://**********enherbalteaonline.com/images/greenherbalteagirlholdingcup250.gif
   • http://**********enherbalteaonline.com/images/greenherbalteagirlholdingcup350.gif
   • http://**********ineinstitute.com/g7/images/logo.jpg
   • http://**********ineinstitute.com/g7/images/logo2.jpg
   • http://**********ineinstitute.com/g7/images/logo3.jpg
   • http://**********ineinstitute.com/g7/images/logo4.jpg
   • http://**********inedatingsecretfriends.com/images/im133.jpg
   • http://**********inedatingsecretfriends.com/images/im134.jpg
   • http://**********stats.com/images/logo.png

因此它可能会发送信息并提供远程控制。

发送有关以下内容的信息:
    • 创建的日志文件
    • 已访问 URL


远程控制功能:
    • 访问网站

 窃取 – 在访问 URL 中包含以下某个子字符串的网站之后,会启动日志记录例程:
   • .2mdn.; .abmr.; .adtechus.; .aol.; .atdmt.; .atwola.;
      .autodatadirect.; .bing.net; .dartsearch.; .doubleclick.; .ggpht.;
      .google; .ivwbox.; .mapquestapi.; .microsoft.; .opera.; .tacoda.;
      .thawte.; .tlowdb.; .truveo.; .virtualearth.; .wsod.; .yimg.com;
      .ypcdn.; amazon.; aol/search; aolcdn.; aolsvc.; bing.com;
      bing.com/search; blogger; brightcove.com; doubleclick.; ebay.; err069;
      facebook.; flickr; google.; gstatic.; imdb.; mapq.st; msn;
      scorecardresearch.com; search.aol.; search.yahoo.com/search;
      searcht2.aol.; start=; start=0; suche.aol.; twitter.; wikimedia.;
      wikipedia.; yahoo.; yahoo.com; youtube.; ytimg.

 注入进程 – 它会将其本身作为远程线程注入到进程中。

    进程名:
   • svchost.exe


 文件详细信息 编程语言:
该恶意软件程序是用 MS Visual C++ 编写的。


运行时压缩程序:
为了提高检测难度以及减小文件,它已使用以下运行时压缩程序进行压缩:
   • UPX

설명 삽입자 Andrei Ilie   2011년 8월 4일 목요일
설명 업데이트 Andrei Ilie   2011년 8월 5일 금요일

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