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ELF_BASHLET.C

October 02, 2014
 Analysis by: Anthony Joe Melgarejo
 ALIASES:

Linux.Bashlet (Symantec)

 PLATFORM:

Linux (64-bit), Unix (64-bit)

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This backdoor executes commands from a remote malicious user, effectively compromising the affected system.

  TECHNICAL DETAILS

File Size:

194 bytes

File Type:

ELF

Memory Resident:

No

Initial Samples Received Date:

01 Oct 2014

Payload:

Compromises system security

Arrival Details

This malware arrives via the following means:

  • CVE-2014-6271

Backdoor Routine

This backdoor executes the following commands from a remote malicious user:

  • perform remote shell

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

  • {BLOCKED}.{BLOCKED}.242.223:34464

  SOLUTION

Minimum Scan Engine:

9.700

Scan your computer with your Trend Micro product to delete files detected as ELF_BASHLET.C. 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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