Sneaky Wolf, also known as Sneaking Leprechaun, is a threat cluster linked to the use of the Kitsune malware family. The cluster has been associated with Linux-focused post-compromise tooling and privilege-escalation capability. Kitsune is identified as a prior iteration of a kernel rootkit lineage that also includes Facefish and Megatsune, indicating access to mature stealth and persistence tooling designed to conceal malicious activity and evade system inspection. Related tooling in this ecosystem has been used to escalate privileges, hide files and directories, and maintain covert access on compromised systems. Sneaky Wolf is therefore best characterized as an intrusion cluster associated with stealthy post-exploitation and defense-evasion tradecraft rather than a ransomware or overt extortion operation. High-confidence reporting directly ties the cluster to Kitsune, but available information does not firmly establish its country of origin, primary victim geography, or dominant motivation.
1 malware family Mallory has associated with this actor across public reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.