Analysis by: Ryan Paolo Maglaque
ALIASES:

Linux.Xorddos(Norton);Linux/Adore(AVG)

 PLATFORM:

Linux

 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: Downloaded from the Internet

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.

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

  TECHNICAL DETAILS

File Size: 28,885 bytes
File Type: ELF
Memory Resident: No
Initial Samples Received Date: 08 Jun 2017

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 executes the following commands from a remote malicious user:

  • Open a pseudo terminal
  • Execute shell commands
  • Download a file
  • Hide/Show a process
  • Remove a process
  • Gather information(ip and port)

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.458.04
VSAPI OPR PATTERN File: 13.459.00

Scan your computer with your Trend Micro product to delete files detected as ELF_ADORE.DMB. 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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