Analysis by: Nikko Tamana
ALIASES:

Mal/PerlBot-A (Sophos), PERL/ShellBot (AVG), Perl/IRCBot.I!tr (Fortinet), Backdoor.Perl.Shellbot (Ikarus), Backdoor.Perl.Shellbot.ek (Kaspersky), Backdoor:Perl/Shellbot.S (Microsoft), Perl/Shellbot.B trojan (NOD32), IRC.Backdoor.Trojan (Norton), Backdoor.Perl.IRCBot.a (v) (Sunbelt)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 26,555 bytes
File Type: Script
Initial Samples Received Date: 10 Nov 2013

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This backdoor connects to the following possibly malicious URL:

  • {BLOCKED}.20.35
  • {BLOCKED}.166.134
  • {BLOCKED}.42.14
  • {BLOCKED}.192.40