[Apostle](https://attack.mitre.org/software/S1133) is malware that has functioned as both a wiper and, in more recent versions, as ransomware. [Apostle](https://attack.mitre.org/software/S1133) is written in .NET and shares various programming and functional overlaps with [IPsec Helper](https://attack.mitre.org/software/S1132).(Citation: SentinelOne Agrius 2021)