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ELF64_MADVISE.A

July 26, 2017
 ALIASES:

HEUR:Exploit.Linux.Dirtycow.a (Kaspersky); a variant of Linux/Exploit.CVE-2016-5195.E (ESET-NOD32)

 PLATFORM:

Linux

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

  • Threat Type: Exploit

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

Once a malware successfully exploits the said vulnerability, it causes certain actions to be done on the system. It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size:

14,596 bytes

File Type:

ELF

Memory Resident:

Yes

Initial Samples Received Date:

15 May 2017

Arrival Details

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

Other Details

Once a malware successfully exploits the said vulnerability, it causes the following actions to be done on the system:

  • Escalate local user privileges.

It takes advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.518.05

FIRST VSAPI PATTERN DATE:

07 Jul 2017

VSAPI OPR PATTERN File:

13.519.00

VSAPI OPR PATTERN Date:

08 Jul 2017

Scan your computer with your Trend Micro product to delete files detected as ELF64_MADVISE.A. 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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