medusa: move to common, update link (#12658)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/medusa.md

@@ -0,0 +1,20 @@
+# Medusa
+
+> A modular and parallel login brute-forcer for a variety of protocols.
+> More information: <https://jmk-foofus.github.io/medusa/medusa.html>.
+
+- Execute brute force against an FTP server using a file containing usernames and a file containing passwords:
+
+`medusa -M ftp -h host -U {{path/to/username_file}} -P {{path/to/password_file}}`
+
+- Execute a login attempt against an HTTP server using the username, password and user-agent specified:
+
+`medusa -M HTTP -h host -u {{username}} -p {{password}} -m USER-AGENT:"{{Agent}}"`
+
+- Execute a brute force against a MySQL server using a file containing usernames and a hash:
+
+`medusa -M mysql -h host -U {{path/to/username_file}} -p {{hash}} -m PASS:HASH`
+
+- Execute a brute force against a list of SMB servers using a username and a pwdump file:
+
+`medusa -M smbnt -H {{path/to/hosts_file}} -C {{path/to/pwdump_file}} -u {{username}} -m PASS:HASH`