POLICY-OTHER --
POLICY-OTHER JNDI LDAP searchResEntry dynamic code download attempt
The searchResEntry response indicates to a JNDI server where to download an external Java class. This could indicate a malicious attempt to execute external Java.
This rule will alert when a LDAP searchResEntry is being used to load external Java code. This technique is used in the JNDI-Exploit tool to deliver malicious payloads for servers vulnerable to CVE-2021-44228.
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
Remote File Inclusion
Remote File Inclusion (RFI) attacks occur when a webserver takes a file crafted by an attacker as input and runs or stores it in an unsafe manner. For instance, the webserver could accept an image file that is actually code, then call it to execute after uploading. RFI attacks happen on web applications that dynamically include external files or scripts. A successful RFI can lead to data leaks, remote code execution, or cross site scripting. Avoid dynamic inclusion of user input files, or whitelist files that may be included. Keep the PHP allow_url_include option set to off; this will not protect against Local File Inclusion attacks.
CVE-2021-4104 |
Loading description
|
CVE-2021-44228 |
Loading description
|
CVE-2021-44832 |
Loading description
|
CVE-2021-45046 |
Loading description
|
CVE-2021-45105 |
Loading description
|
Tactic: Command and Control
Technique: Remote Access Tools
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
©2024 Cisco and/or its affiliates. Snort, the Snort and Pig logo are registered trademarks of Cisco. All rights reserved.
