Linux.Packed.248

Linux.Packed.248

Added to the Dr.Web virus database: 2018-12-22

Virus description added: 2018-12-22

To ensure autorun and distribution:

Creates or modifies the following files:

Malicious functions:

Launches itself as a daemon

Substitutes application name for:

Launches processes:

sh -c crontab -l | grep <SAMPLE_FULL_PATH> || (crontab -l ; echo \"* * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
sh -c cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
grep <SAMPLE_FULL_PATH>
crontab -l
cp -f <SAMPLE_FULL_PATH> /dev/shm/<SAMPLE>
crontab -
sh -c crontab -l | grep /dev/shm/<SAMPLE> || (crontab -l ; echo \"* * * * * /dev/shm/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
sh -c cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
grep /dev/shm/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/tmp/<SAMPLE>
sh -c crontab -l | grep /var/tmp/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/tmp/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
sh -c cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
grep /var/tmp/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/lock/<SAMPLE>
sh -c crontab -l | grep /var/lock/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/lock/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
sh -c cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
grep /var/lock/<SAMPLE>
cp -f <SAMPLE_FULL_PATH> /var/run/<SAMPLE>
sh -c crontab -l | grep /var/run/<SAMPLE> || (crontab -l ; echo \"* * * * * /var/run/<SAMPLE> > /dev/null 2>&1 &\") | crontab - > /dev/null 2>&1 &
grep /var/run/<SAMPLE>

Kills the following processes:

Performs operations with the file system:

Modifies file access rights:

Creates or modifies files:

Network activity:

Awaits incoming connections on ports:

Establishes connection:

Connects to the following servers over the IRC protocol:

Other:

Collects CPU information