1. Symantec-Broadcom-Horizontal/
  2. Security Response/
  3. Attack Signatures/
  4. R(X)Bot DDOS Commands

R(X)Bot DDOS Commands

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.

Description

Once infected, the host connects to a pre-configured IRC server on a pre-configured channel and awaits for commands from the remote attacker.

Additional Information

The infected host connects to a pre-configured IRC server on a pre-configured channel and awaits commands from the remote attacker .
The remote attacker can do the following

1)Issue commands to scan and exploit the host using the following vulnerabilities:
Netbios(brute force logins)
Ntpass(bruce force logins)
Dcom(port-135,445,1025)
IIS SSL(MS04-011)
Webdav(MS03-007)
Lsass(MS04-011)
MSSQL(Bruce force logins)
Wkssvc(MS03-049)
Wkssvc(MS03-049)
Upnp(MS01-059)
Dameware BO (6129)
Backdoor:Beagle(2745)
Backdoor:Mydoom(3127)
Backdoor:Optix(3140)
Backdoor:NetDevil(901,903)
Backdoor:Sub7(27347)
Backdoor:Kuang(17300)
Backdoor:Sasser
2)Issue commands to execute a DDOS attack
3)Issue commands on the infected machine to:
-Open and execute any file
-Open a cmd shell
-Get CD keys for MS products and games
-Flush ARP and DNS Caches
-Search for a file
-Capture video, screenshots, WebCam Images
-List and kill processes
-Start and stop a keylogger
-Get system and network information
-Start a psniffer
-Start a rlogin, identd, socks, http, tftp server
-Redirect TCP to a specified host/port
-Start a clone on another channel
-Reboot the OS
-Find Windows passwords
-Secure/unsecure the OS by enabling/disabling DCOM and shares

It has been observed during testing that W32.SpyBot, Backdoor.SDBot, W32.R(X)Bot, and their variants use some common commands.

The following is a list of common commands used by them.
-killthread command
-rndnick command
-bot scan commands (e.g. scan 192.168.1.29 80)
-clone commands (W32.R(X)Bot and Backdoor.SDBot only)

Affected

  • Microsoft Windows 2000 Advanced Server SP1, SP2, SP3, SP4
  • Microsoft Windows 2000 Datacenter Server SP1, SP2, SP3, SP4
  • Microsoft Windows 2000 Professional SP1, SP2, SP3, SP4
  • Microsoft Windows 2000 Resource Kit
  • Microsoft Windows 2000 Server SP1, SP2, SP3, SP4
  • Microsoft Windows 2000 Server Japanese Edition
  • Microsoft Windows 2000 Terminal Services SP1, SP2, SP3, SP4
  • Microsoft Windows 2000 Workstation rev.2031, rev.2072, rev.2195, SP1, SP2, SP3
  • Microsoft Windows 95 Build 490.R6, j, SP1, SR2
  • Microsoft Windows 98 a, b, j, SP1
  • Microsoft Windows 98 With Plus! Pack
  • Microsoft Windows 98SE
  • Microsoft Windows CE 2.0, 3.0, 4.2
  • Microsoft Windows ME
  • Microsoft Windows NT 3.5, 3.5.1, 3.5.1 SP1, 3.5.1 SP2, 3.5.1 SP3, 3.5.1 SP4, 3.5.1 SP5, 3.5.1 SP5 alpha, 4.0, 4.0 alpha, 4.0 SP1, 4.0 SP1 alpha, 4.0 SP2, 4.0 SP2 alpha, 4.0 SP3, 4.0 SP3 alpha, 4.0 SP4, 4.0 SP4 alpha, 4.0 SP5, 4.0 SP5 alpha, 4.0 SP6, 4.0 SP6 alpha, 4.0 SP6a, 4.0 SP6a alpha
  • Microsoft Windows NT 4.0 Option Pack
  • Microsoft Windows NT Enterprise Server 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a
  • Microsoft Windows NT Server 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a
  • Microsoft Windows NT Terminal Server 4.0, 4.0 alpha, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a
  • Microsoft Windows NT Workstation 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a
  • Microsoft Windows Server 2003 Datacenter Edition SP1, SP1 Beta 1
  • Microsoft Windows Server 2003 Datacenter Edition Itanium SP1, SP1 Beta 1
  • Microsoft Windows Server 2003 Datacenter x64 Edition
  • Microsoft Windows Server 2003 Enterprise Edition SP1, SP1 Beta 1
  • Microsoft Windows Server 2003 Enterprise Edition Itanium SP1, SP1 Beta 1
  • Microsoft Windows Server 2003 Enterprise x64 Edition
  • Microsoft Windows Server 2003 Standard Edition SP1, SP1 Beta 1
  • Microsoft Windows Server 2003 Standard x64 Edition
  • Microsoft Windows Server 2003 Web Edition SP1, SP1 Beta 1
  • Microsoft Windows Vista beta
  • Microsoft Windows XP
  • Microsoft Windows XP 64-bit Edition SP1
  • Microsoft Windows XP 64-bit Edition Version 2003 SP1
  • Microsoft Windows XP Embedded SP1
  • Microsoft Windows XP Home SP1, SP2
  • Microsoft Windows XP Media Center Edition SP1, SP2
  • Microsoft Windows XP Professional SP1, SP2
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Tablet PC Edition SP1, SP2

Response

See Recommendations and Removal instructions at the reference links below.
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