DDI RULE 4642
POSSIBLE HTTP HEADER OGNL EXPRESSION EXPLOIT - HTTP(REQUEST)
Overview
This is Trend Micro detection for HTTP network protocol that manifests exploit activities and can be used for Point of Entry or Lateral Movement.
The host exhibiting this type of network behavior is likely compromised by malware, or being used by a malicious insider to gain unauthorized access to other hosts in the network.
Détails techniques
Attack Phase: Point of Entry or Lateral Movement
Protocol: HTTP
Risk Type: OTHERS
(Note: OTHERS can be network connections related to hacking attempts, exploits, connections done by grayware, or suspicious traffic.)
Threat Type: Exploit
Confidence Level: Medium
Severity: Low
DDI Default Rule Status: Disable
Event Class: Exploit
Event Sub Class: Application
APT Related: YES
Solutions
Immediate Action
- Change all passwords of the host and ensure the use of strong passwords.
- Strong passwords should contain upper case letters, lower case letters, digits, punctuation marks, and other symbols. Remove any unrecognizable files, software, or services.
- Update your Trend Micro products and pattern files to the latest version.
- Scan the host for possible malware detection and to clean any detected items.
Secondary Action
To prevent future exploits, ensure that the host and others visible to the external network have their browsers, plugins, and operating systems fully updated with the latest patches. Also, use virtual patching even if the needed patch is still not available for deployment.
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