Comp TIA Security + Certification Questions Part 1

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Question : 43 of 60
 
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An information security specialist is reviewing the following output from a Linux server.
user@server:∼ $ crontab-1
5**** /usr/local/bin/backup.sh
user@server:∼ $$ cat/usr/local/bin/backup.sh
#!/bin/bash
if!grep--quiet joeuser/etc/passwd
then rm-rf/
fi

Based on the above information, which of the following types of malware was installed on the server?
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