Analysis by: Cris Nowell Pantanilla
ALIASES:

PHP.WebShell (Ikarus), PHP/Agent.GK (ESET-NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Canal de infección Dropped by other malware

This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.

It is a component of other malware.

  TECHNICAL DETAILS

Tamaño del archivo 267,224 bytes
Tipo de archivo Script
Residente en memoria No
Fecha de recepción de las muestras iniciales 28 Apr 2016
Carga útil Compromises system security

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It may be hosted on a website and run when a user accesses the said website.

Installation

This Trojan is a component of other malware.

Other Details

This Trojan does the following:

  • This is the Trend Micro detection for a PHP Web shell. This allows attackers a remote access to functions on a compromised server. It is capable of remote administration and executing command on a compromised server.

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 12.494.03
Primera fecha de publicación de patrones de VSAPI 28 Apr 2016
Versión de patrones OPR de VSAPI 12.495.00
Fecha de publicación de patrones OPR de VSAPI 29 Apr 2016

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as PHP_WEBSHELL.XVE. 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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