ISC StormCast for Monday, June 28th, 2021

Increase in UDP Port 389 Scans (LDAP/AD)
https://isc.sans.edu/forums/diary/Is+this+traffic+bAD/27566/
CD/DVD Destruction
https://isc.sans.edu/forums/diary/DIY+CDDVD+Destruction/27572/
Zyxel Exploits
https://twitter.com/JAMESWT_MHT/status/1407987022170578946
https://kb.zyxel.com/KB/searchArticle!viewDetail.action?articleOid=018137&lang=EN
Cisco Vulnerability Exploited
https://threatpost.com/cisco-asa-bug-exploited-poc/167274/
Microsoft Signs Netfilter Rootkit
https://www.gdatasoftware.com/blog/microsoft-signed-a-malicious-netfilter-rootkit