[SLOWPULSE](https://attack.mitre.org/software/S1104) is a malware that was used by [APT5](https://attack.mitre.org/groups/G1023) as early as 2020 including against U.S. Defense Industrial Base (DIB) companies. [SLOWPULSE](https://attack.mitre.org/software/S1104) has several variants and can modify legitimate Pulse Secure VPN files in order to log credentials and bypass single and two-factor authentication flows.(Citation: Mandiant Pulse Secure Zero-Day April 2021)