Rule Category

PROTOCOL-TELNET -- Snort has detected traffic that may indicate the presence of the telnet protocol or vulnerabilities in the telnet protocol on the network.

Alert Message

PROTOCOL-TELNET netkit-telnet server memory corruption attempt

Rule Explanation

This rule detects a remote code execution attempt against vulnerable versions of the netkit-telnet telnet server by searching for the telnet command primitives "IAC DO SB" used to set up the vulnerable condition.

What To Look For

This rule detects a remote code execution attempt against vulnerable versions of the netkit-telnet telnet server.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Execution

Technique: Exploitation for Client Execution

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

Additional Links

Rule Vulnerability

CVE Additional Information