Rule Category

MALWARE-OTHER --

Alert Message

MALWARE-OTHER Win.Dropper.PyVil download attempt

Rule Explanation

This rule detects the attempted download of the PyVil RAT LNK/JavaScript dropper by looking for part of the JavaScript used to stage more of the dropper chain.

What To Look For

This rule detects the attempted download of the PyVil RAT LNK/JavaScript dropper.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Spearphishing Attachment

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