How to add a login shell file in /etc/shells for KBL

Products

• CA Virtual Privilege Manager
• CA Privileged Identity Management Endpoint (PIM)
• CA Privileged Access Manager (PAM)

Issue/Introduction

We have to add login shell script in /etc/shells to acquire Keyboard Logger(KBL).

If the login shell script is linked file like this, which scripts should we add in /etc/shells? 

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#ls -la /bin/sh

rwxrwxrwx   1 root     root  4 Apr 20 2015 /bin/sh -> /usr/bin/XXXX/ksh

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"/bin/sh" OR "/usr/bin/XXXX/ksh"

 

Environment

UNIX/LINUX

Resolution

We should add "/usr/bin/XXXX/ksh" in /etc/shells.