BROWSER-IE -- Snort has detected traffic known to exploit vulnerabilities present in the Internet Explorer browser, or products that have the Trident or Tasman engines.
BROWSER-IE Microsoft Windows Scripting Engine use-after-free attempt
This rule looks for indicators that are found in use-after-free exploits which target this vulnerability.
What To Look For
This rule alerts when a malicious webpage is detected which attempts to trigger a use-after-free vulnerability in Internet Explorer.
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Tactic: Initial Access
Technique: Drive-by Compromise
For reference, see the MITRE ATT&CK vulnerability types here:
Use After Free
Use After Free (UAF) attacks target computer memory flaws to corrupt the memory execute code. The name refers to attempts to use memory after it has been freed, which can cause a program to crash under normal circumstances, or result in remote code execution in a successful attack.
CVE Additional Information