Rule Document 1:56614

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 Cobalt Strike beacon connection attempt

Rule Explanation

The rule is looking for a number of string values that beacon attempts to use in discovering network content.

What To Look For

This rule alerts on the exploit traffic of beacon that attempts to discover a content delivery network.

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

fireeye.com/blog/threat-research/2020/12/unauthorized-access-of-fireeye-red-team-tools.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: Discovery

Technique: File and Directory Discovery

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