基本介紹
病毒信息：
病毒名稱: Worm.Beagle.k
中文名稱: 惡鷹變種K
病毒別名:貝革熱
W32.Beagle.k@mm [Symantec]
WORM_BAGLE.k [Trend]
受影響系統:Win9x/Win2000/WinXP
技術特點：
· 傳染條件：利用電子郵件高速傳播；
· 系統修改：
A、自我複製到 %System%\winsys.exe；
B、創建以下檔案：
%system%\winsys.exeopen
該檔案是一個加過密的ZIP檔案包，密碼隨機生成，內容是病毒代碼；
C、添加以下鍵值
"ssate.exe"="%System%\winsys.exe"
到 HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
以便病毒可隨機自啟動；
D、打開TCP連線埠2745進行監聽。允行攻擊者通過一段特殊的信息傳送到此連線埠，可使病毒自動
下載新的程式到受感染系統的%Windir%目錄中，名字為iuplda<x>.exe，<x>為隨機字母。
新下載的程式可能為新病毒；
E、傳送HTTP GET 請求到以下網址，通TCP連線埠80。
postertog.de
www.gfotxt.net
www.maiklibis.de
病毒通過此操作來獲得受感染系統的IP位址和打開的連線埠號；
F、中止部份反病毒軟體的升級程式，來阻止反病毒軟體升級：
Atupdater.exe
Aupdate.exe
Autodown.exe
Autotrace.exe
Autoupdate.exe
Avltmain.exe
Avpupd.exe
Avwupd32.exe
Avxquar.exe
Cfiaudit.exe
Drwebupw.exe
Icssuppnt.exe
Icsupp95.exe
Luall.exe
Mcupdate.exe
Nupgrade.exe
Outpost.exe
Update.exe
G、 查找後綴名為以下後綴的檔案，並從中提取電子郵件地址：
.wab .txt .msg .htm .xml .dbx .mdx .eml .nch .mmf .ods .cfg .asp .php .pl
.adb .tbb .sht .uin .cgi
· 傳播方式：
A、 釋放病毒複本到名字含有字元串"shar"的資料夾中，使病毒具備網路共享傳播和通過P2P軟
件傳播的能力，病毒複本的名字為：
ACDSee 9.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
Matrix 3 Revolution English Subtitles.exe
Microsoft Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Opera 8 New!.exe
Porno pics arhive, xxx.exe
Porno Screensaver.scr
Porno, sex, oral, anal cool, awesome!!.exe
Serials.txt.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Windown Longhorn Beta Leak.exeWindows Sourcecode update.doc.exe
XXX hardcore images.exe
B、病毒使用自己發信引擎發信，其郵件特徵為：
發件人: <具有欺騙性的>(可能是以下字元串中的任意):
management@<recipient domain>
administration@<recipient domain>
staff@<recipient domain>
noreply@<recipient domain>
support@<recipient domain>
主題: (可能是以下字元串中的任意)：
E-mail account disabling warning.
E-mail account security warning.
Email account utilization warning.
Important notify about your e-mail account.
Notify about using the e-mail account.
Notify about your e-mail account utilization.
Warning about your e-mail account.
內容:(可能是以下字元串中的任意組合)：
Dear user of <domain>,
Dear user of <domain> gateway e-mail server,
Dear user of e-mail server "<domain>",
Hello user of <domain> e-mail server,
Dear user of "<domain>" mailing system,
Dear user, the management of <domain> mailing system wants to let you know
that,
Your e-mail account has been temporary disabled because of unauthorized access.
Our main mailing server will be temporary unavaible for next two days,
to continue receiving mail in these days you have to configure our free
auto-forwarding service.
Your e-mail account will be disabled because of improper using in next
three days, if you are still wishing to use it, please, resign your
account information.
We warn you about some attacks on your e-mail account. Your computer may
contain viruses, in order to keep your computer and e-mail account safe,
please, follow the instructions.
Our antivirus software has detected a large ammount of viruses outgoing
from your email account, you may use our free anti-virus tool to clean up
your computer software.
Some of our clients complained about the spam (negative e-mail content)
outgoing from your e-mail account. Probably, you have been infected by
a proxy-relay trojan server. In order to keep your computer safe,
follow the instructions.
For more information see the attached file.
Further details can be obtained from attached file.
Advanced details can be found in attached file.
For details see the attach.
For details see the attached file.
For further details see the attach.
Please, read the attach for further details.
Pay attention on attached file.
The <domain> team http://www.<domain>
The Management,
Sincerely,
Best wishes,
Have a good day,
Cheers,
Kind regards,
For security reasons attached file is password protected. The password is
"<password>".
For security purposes the attached file is password protected. Password is
"<password>".
Attached file protected with the password for security reasons. Password is
<password>.
In order to read the attach you have to use the following password: <password>.
注意: <domain> 為郵件伺服器的域，比如:21cn.com
附屬檔案名: <可能是以下字元串中的任意>.zip:
Attach
Information
Readme
Document
Info
TextDocument
TextFile
MoreInfo
Message
Zip檔案中是病毒複本，名字由隨機字元組。ZIP包可能加密，密碼會出現在郵件內容中
病毒會避免傳送病毒郵件到含有以下字元串的郵件地址
@hotmail.com
@msn.com
@microsoft
@avp.
noreply
local
root@
postmaster@
