/usr/share/secpanel/secpanel.wait is in secpanel 1:0.6.1-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #!/bin/sh
# SecPanel
# Shellscript for wrapping ssh-connections
# Ver. for SecPanel 0.5.2
$1
cat <<EOF
---------- SecPanel ----------
Connection closed
Press <Return> to continue...
EOF
read end
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