SID 1:57461

Report a false positive

Rule Category

MALWARE-BACKDOOR -- Snort has detected suspicious communication traffic unrelated to commands, such as exfiltration of data from the infected machine, especially larger chunks of data.

Alert Message

MALWARE-BACKDOOR Perl.Backdoor.PULSECHECK variant cnc connection

Rule Explanation

This rule looks for traffic related to malicious backdoors used on victim Pulse Secure Servers.

What To Look For

This rule looks for traffic related to malicious backdoors used on victim Pulse Secure Servers.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

None

Additional Links

www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html

Rule Vulnerability

No information provided

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

None

MITRE ATT&CK Framework

Tactic: Command and Control

Technique: Standard Application Layer Protocol

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