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.Dropper.Clipbanker file download attempt

Rule Explanation

This event is generated when a machine infected with a Clipsa/Clipbanker variant attempts to download additional files (most likely a coinminer) or a token/task from the C&C. Impact: A Network Trojan was detected Details: Clipsa works in 6 phases: the first ones are designed to steal crypto-mining data from users and the last two focus on finding and attacking vulnerable WordPress websites. Ease of Attack:

What To Look For

No information provided

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

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