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ELF_SONEX.SPIP

July 06, 2017
 ALIASES:

Trojan:Win32/Skeeyah.A!bit (Microsoft), Backdoor.Linux.Dofloo.b (Kaspersky)

 PLATFORM:

Linux

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • 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. It connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size:

1,870,048 bytes

File Type:

ELF

Memory Resident:

Yes

Initial Samples Received Date:

01 May 2017

Payload:

Connects to URLs/IPs, Collects system information, Executes files

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:

  • Get CPU information
  • Get memory status
  • Get system information
  • Execute command shell
  • Connect to server
  • Send information
  • DNS Flood
  • Syn Flood
  • LSYN Flood
  • UDP Flood
  • UDPS Flood
  • CC Flood

It connects to the following websites to send and receive information:

  • {BLOCKED}.{BLOCKED}.107.164:48080
  • {BLOCKED}.{BLOCKED}.4.7:48080

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.374.06

FIRST VSAPI PATTERN DATE:

01 May 2017

VSAPI OPR PATTERN File:

13.375.00

VSAPI OPR PATTERN Date:

02 May 2017

Scan your computer with your Trend Micro product to delete files detected as ELF_SONEX.SPIP. 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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