Citrix CVE-2019-19781
https://github.com/x1sec/x1sec.github.io/blob/master/CVE-2019-19781-DFIR.md
https://support.citrix.com/article/CTX267027
https://support.citrix.com/article/CTX267679
https://www.mdsec.co.uk/2020/01/deep-dive-to-citrix-adc-remote-code-execution-cve-2019-19781/
https://nvd.nist.gov/vuln/detail/CVE-2019-19781
https://support.citrix.com/article/CTX267027