Looking for logging into the Sys site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Sys site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/ja-jp/sql/relational-databases/system-compatibility-views/sys-syslogins-transact-sql
https://docs.oracle.com/cd/E57425_01/121/ADMQS/GUID-DE8A79BD-FAE4-4364-98FF-D2BD992A06E7.htm
http://www.google.co.jp/url?url=http://www.sakutyuu.com/technology/%3Fp%3D1188
https://oshiete.goo.ne.jp/qa/4947369.html
https://yohei-a.hatenablog.jp/entry/20090604/1244116662
http://www.google.co.jp/url?url=http://sys.biz-hana.com/
http://www.google.co.jp/url?url=http://www.cosol.jp/tech/detail/ot0021_ora28009.shtml
https://nss.sys.affrc.go.jp/
https://generations.idb-sys.com/
https://butras.buffalo-sa.jp/sys/user/login/
https://books.google.co.jp/books?id=dfCGSoNsCiUC&pg=PA288&lpg=PA288&dq=sys+login
https://stackoverflow.com/questions/9129664/unable-to-log-in-to-database-as-sys-with-oracle-sql-developer
https://books.google.co.jp/books?id=ydKIsgCiFVsC&pg=PA450&lpg=PA450&dq=sys+login