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.Netwire variant payload download attempt

Rule Explanation

This event is generated when an Win.Trojan.Agent is detected on the network making an outbound connection. Impact: A Network Trojan was detected Details: This rule fires when an Win.Trojan.Agent dropped by the Firefox 0-days (CVE-2019-11707 and CVE-2019-11708) is detected on the network. Ease of Attack:

What To Look For

This event is generated when an Win.Trojan.Netwire variant is detected on the network making an outbound connection to download an additional malicious payload.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

N/A

Not Applicable

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2019-11707
Loading description

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