ELF_SMALL.SC

October 09, 2012

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 Analysis by: Roland Marco Dela Paz

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 ALIASES:

Exploit.Linux.Small.hl (Kaspersky)

 PLATFORM:

Linux/UNIX

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

• 
  Threat Type: Trojan
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  OVERVIEW

This Trojan 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:

4,217 bytes

File Type:

ELF

Memory Resident:

No

Initial Samples Received Date:

12 Mar 2012

Arrival Details

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

NOTES:

It exploits a vulnerability in Linux operating system in order to execute a malicious shellcode. As a result, malicious routines of the executed shellcode are also exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.833.01

FIRST VSAPI PATTERN DATE:

12 Mar 2012

Scan your computer with your Trend Micro product to delete files detected as ELF_SMALL.SC. 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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