DESCRIPTION NAME:

CPL File Transfer detected

 CONFIDENCE LEVEL:
 SEVERITY INBOUND:
 SEVERITY OUTBOUND:
Informational
Low
Medium
High

 概要

This is Trend Micro detection for packets passing through any network protocols that manifests unusual behavior which can be a potential intrusion. Below are some indicators of unusual behavior:

  • Suspicious activity in administrator or privileged accounts
  • Dubious logins, access, and other network activities that indicate probing or brute force attacks
  • Anomalous spike of requests
  • Network traffic that traverses in unusually used ports
  • Unknown files, applications, and processes in the system
  • Unusual traffic going in and out of the network
  • Unusual message or file structure

 詳細

Attack Phase: Point of Entry or Lateral Movement

Protocol: ANY

Risk Type: OTHERS
(Note: OTHERS can be network connections related to hacking attempts, exploits, connections done by grayware, or suspicious traffic.)

Threat Type: Suspicious behavior

Confidence Level: Medium

Severity: Medium(Outbound)| Low(Inbound)

DDI Default Rule Status: Enable

APT Related: NO

 対応方法

Network Content Inspection Pattern Version: 1.1163.00
Network Content Inspection Pattern Release Date: 21 Jun 2012
Network Content Correlation Pattern Version: 1.11937.00
Network Content Correlation Pattern Release Date: 14 Oct 2013

Immediate Action

  • Update your Trend Micro products and pattern files to the latest version.
  • Scan the host exhibiting this type of network behavior to clean any detected items.

Secondary Action

If scanning fails to detect a malware infection:

  1. If possible, disconnect the host from the network to prevent any further communication or malicious activities the malware may attempt.
  2. Run RootkitBuster to check through hidden files, registry entries, processes, drivers, and hooked system services.
  3. Use the Anti-Threat Toolkit (ATTK) tools to collect undetected malware information.
  4. Identify and clean threats with Rescue Disk, specific to suspected threats that are persistent or difficult-to-clean. Rescue Disk allows you to use a CD, DVD, or USB drive to examine your computer without launching Microsoft Windows.


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