SID 1:60637

Report a false positive

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 MultiOS.Backdoor.antSword inbound connection attempt

Rule Explanation

This rule detects the network activity of antSword webshell hosted on a potentially compromised webserver.

What To Look For

This rule detects the network activity of antSword webshell hosted on a potentially compromised webserver.

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

msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/

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: Persistence

Technique: Web Shell

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