Rule Category

MALWARE-CNC -- Snort has detected a Comand and Control (CNC) rule violation, most likely for commands and calls for files or other stages from the control server. The alert indicates a host has been infiltrated by an attacker, who is using the host to make calls for files, as a call-home vector for other malware-infected networks, for shuttling traffic back to bot owners, etc.

Alert Message

MALWARE-CNC Win.Trojan.AveMaria variant outbound connection

Rule Explanation

This rule is specifically looking for the initial heartbeat connection between victim PC and AveMaria C2 service to either report status, or retrieve instructions.

What To Look For

This rule alerts when a computer infected with AveMaria, aka Warzone, Remote Access Trojan, reaches out to its Command and Control (C2) infrastructure.

Known Usage

No public information

False Positives

No known false positives


Cisco Talos Intelligence Group

Rule Groups

No rule groups



Additional Links

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.


MITRE ATT&CK Framework

Tactic: Command and Control

Technique: Remote Access Tools

For reference, see the MITRE ATT&CK vulnerability types here: