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Linux.Siggen.392
Added to the Dr.Web virus database:
2018-01-24
Virus description added:
2018-01-24
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
Malicious functions:
Launches processes:
sh -c cat /etc/inittab | grep -v \"<SAMPLE_FULL_PATH>\" > /etc/inittab2
sh -c crontab -l | grep <SAMPLE_FULL_PATH> || (crontab -l ; echo \"*/5 * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
cat /etc/inittab
grep -v <SAMPLE_FULL_PATH>
crontab -l
grep <SAMPLE_FULL_PATH>
sh -c echo \"0:2345:respawn:<SAMPLE_FULL_PATH>\" >> /etc/inittab2
sh -c cat /etc/inittab2 > /etc/inittab
crontab -
cat /etc/inittab2
sh -c rm -rf /etc/inittab2
rm -rf /etc/inittab2
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.sJpfnk
Creates or modifies files:
/etc/inittab2
/var/spool/cron/crontabs/tmp.sJpfnk
Deletes files:
Locks files:
Network activity:
Awaits incoming connections on ports:
Curing recommendations
Linux
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