Virus:Worm/Poebot.C.1
Date discovered:24/08/2005
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:95.232 Bytes
MD5 checksum:1AECD4E23B84D15D4E5B37F1D371F1CB
VDF version:6.31.0.220

 General Method of propagation:
   • Local network


Aliases:
   •  Symantec: Trojan.Dropper
   •  Mcafee: W32/Poebot.gen
   •  Kaspersky: Backdoor.Win32.PoeBot.c
   •  TrendMicro: WORM_POEBOT.U
   •  F-Secure: W32/Sdbot.IMU


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads files
   • Downloads malicious files
   • Registry modification
   • Makes use of software vulnerability
   • Steals information
   • Third party control

 Files It drops a copy of itself using a filename from a list:
– To: %SYSDIR% Using one of the following names:
   • csrs.exe
   • logon.exe
   • explorer.exe
   • supoolsvc.exe
   • lsass.exe
   • algs.exe
   • iexplore.exe
   • winamp.exe
   • firewall.exe
   • lssas.exe




It deletes the initially executed copy of itself.

 Registry One of the following values is added in order to run the process after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Client Server Runtime Process"="%SYSDIR%\csrs.exe"
   • "Windows Logon Application"="%SYSDIR%\logon.exe"
   • "Windows Explorer"="%SYSDIR%\explorer.exe"
   • "Spooler SubSystem App"="%SYSDIR%\supoolsvc.exe"
   • "Local Security Authority Service"="%SYSDIR%\lsass.exe"
   • "Application Layer Gateway Service"="%SYSDIR%\algs.exe"
   • "Microsoft Internet Explorer"="%SYSDIR%\iexplore.exe"
   • "Winamp Agent"="%SYSDIR%\winamp.exe"
   • "Windows Network Firewall"=%SYSDIR%\firewall.exe
   • "Local Security Authority Service"="%SYSDIR%\lssas.exe"

 Network Infection In order to ensure its propagation the malware attemps to connect to other machines as described below.

It drops copies of itself to the following network shares:
   • C$\Documents and Settings\All Users\Documents\
   • c$\windows\system32
   • c$\shared
   • c$\winnt\system32
   • admin$\
   • Admin$\system32
   • ipc$\
   • c$\windows\
   • c$\winnt\
   • e$\shared\
   • d$\shared\


It uses the following login information in order to gain access to the remote machine:

– The following list of usernames:
   • staff; teacher; owner; student; intranet; lan; main; office; control;
      siemens; compaq; dell; cisco; ibm; oracle; sql; data; access;
      database; domain; god; backup; technical; mary; katie; kate; george;
      eric; none; guest; chris; ian; neil; lee; brian; susan; sue; sam;
      luke; peter; john; mike; bill; fred; joe; jen; bob; wwwadmin; oemuser;
      user; homeuser; home; internet; www; web; root; server; linux; unix;
      computer; adm; admin; admins; administrat; administrateur;
      administrador; administrator

– The following list of passwords:
   • winpass; blank; nokia; orainstall; sqlpassoainstall; db1234; db2; db1;
      databasepassword; databasepass; dbpassword; dbpass; domainpassword;
      domainpass; hello; hell; love; money; slut; bitch; fuck; exchange;
      loginpass; login; qwe; zxc; asd; qaz; win2000; winnt; winxp; win2k;
      win98; windows; oeminstall; oem; accounting; accounts; letmein; sex;
      outlook; mail; qwerty; temp123; temp; null; default; changeme; demo;
      test; 2005; 2004; 2001; secret; payday; deadline; work; 1234567890;
      123456789; 12345678; 1234567; 123456; 12345; 1234; 123; 007; pwd;
      pass; pass1234; dba; passwd; password; password1; abc



Exploit:
It makes use of the following Exploit:
– MS04-011 (LSASS Vulnerability)


Infection process:
Creates an FTP script on the compromised machine in order to download the malware to the remote location.

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: lions.**********.info
Port: 2569, 8585
Channel: #zebras
Nickname: [LZ]%random character string%



– This malware has the ability to collect and send information such as:
    • Cached passwords
    • CPU speed
    • Current user
    • Free disk space
    • Free memory
    • Malware uptime
    • Information about the network
    • Size of memory


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • Launch DDoS SYN flood
    • Download file
    • Execute file
    • Open remote shell
    • Perform DDoS attack
    • Upload file

Description inserted by Andrei Gherman on Wednesday, August 24, 2005
Description updated by Andrei Ivanes on Friday, October 29, 2010

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