Linux.Siggen.5549

Linux.Siggen.5549

Added to the Dr.Web virus database: 2023-07-23

Virus description added: 2023-07-23

To ensure autorun and distribution:

Creates or modifies the following files:

Malicious functions:

Launches itself as a daemon

Launches processes:

grep <SAMPLE_FULL_PATH>$
crontab /root/.cron
rm -rf /root/.cron
wc -l
/usr/bin/mawk awk /[zZ]/ && !a[$2]++ {print $2}
sort
/usr/bin/mawk awk {if($3>30.0) print $2}
if `id -u 2>/dev/null` -eq \x270\x27 ; then if `ps a
ps -A -ostat,ppid 2>/dev/null | awk \x27/[zZ]/ && !a[$2]++ {print $2}\x27 2>/dev/null | while read procid; do kill -9 $procid 2>/dev/null; done
grep -- md][[:space:]]*$
ps aux
grep -v -- md][[:space:]]*$
id -u
crontab -l
grep -v <SAMPLE_FULL_PATH>
if `i
grep -v /usr/sbin/httpd
uniq
grep -v grep
dir=`pwd 2>/dev/null`;rm -rf $dir/.cron 2>/dev/null;cront
ps -A -ostat,ppid

Performs operations with the file system:

Modifies file access rights:

Creates or modifies files:

Deletes files:

Locks files:

Changes time of creation/access/modification of files:

Network activity:

Establishes connection:

DNS ASK:

Sends data to the following servers:

Receives data from the following servers:

Other:

Collects OS information

Collects CPU information

Collects RAM information

Collects information about network activity