PERL_SHELLBOT.DJ

September 30, 2014
 PLATFORM:

Windows, Linux, Unix

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

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:

3,791 bytes

File Type:

Script

Memory Resident:

Yes

Initial Samples Received Date:

29 Sep 2014

Payload:

Gathers system data, Connects to URLs/IPs

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.

Backdoor Routine

This backdoor connects to the following URL(s) to send and receive commands from a remote malicious user:

  • {BLOCKED}6.{BLOCKED}6.{BLOCKED}4.82:1992

Information Theft

This backdoor gathers the following data:

  • System information
  • Working directory
  • UID and GID
  • Logged on users

NOTES:
Once connected, it is capable of executing any specified command from the malicious user by calling /bin/sh.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.180.04

FIRST VSAPI PATTERN DATE:

29 Sep 2014

VSAPI OPR PATTERN File:

11.181.00

VSAPI OPR PATTERN Date:

29 Sep 2014

Scan your computer with your Trend Micro product to delete files detected as PERL_SHELLBOT.DJ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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