This file is indexed.

/usr/share/Crack/scripts/plaster is in crack-common 5.0a-11.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh
###
# This program was written by and is copyright Alec Muffett 1991,
# 1992, 1993, 1994, 1995, and 1996, and is provided as part of the
# Crack v5.0 Password Cracking package.
#
# The copyright holder disclaims all responsibility or liability with
# respect to its usage or its effect upon hardware or computer
# systems, and maintains copyright as set out in the "LICENCE"
# document which accompanies distributions of Crack v5.0 and upwards.
###

# To his continuing mortification, I shall re-dedicate this program
# and it's ridiculously punny name to the man who named it - Chris
# Samuel, paragon of the UK net.community, last seen working for the
# Defence Research Agency.

# "Plaster the Cracks" indeed... 8-)

node=`uname -n`

for i in run/K*
do
	case $i in
		run/K.*)	sh -x $i ;;
		run/K$node.*)	sh -x $i ;;
	esac

	sleep 1
done

sleep 1

exit 0