S0025CALENDAR

[CALENDAR](https://attack.mitre.org/software/S0025) is malware used by [APT1](https://attack.mitre.org/groups/G0006) that mimics legitimate Gmail Calendar traffic. (Citation: Mandiant APT1) Documented platforms: Windows. Attributed to ATT&CK group: APT1. Catalogued in ATT&CK 14.1. 2 references curated.