Linux.Siggen.7296

Linux.Siggen.7296

Added to the Dr.Web virus database: 2024-04-28

Virus description added: 2024-04-28

To ensure autorun and distribution:

Creates or modifies the following files:

Malicious functions:

Launches itself as a daemon

Launches processes:

crontab -l
sort
grep -v -- -bash[[:space:]]*$
grep -- -bash[[:space:]]*$
grep <SAMPLE_FULL_PATH>$
uniq
/usr/bin/mawk awk /[zZ]/ && !a[$2]++ {print $2}
ps aux
crontab /root/.cron
grep -v <SAMPLE_FULL_PATH>
rm -rf /root/.cron
/usr/bin/mawk awk {if($3>30.0) print $2}
ps -A -ostat,ppid
grep /etc/cron
<0xd3>
grep -v grep
<0x151>
wc -l
<0x140>
grep -v /usr/sbin/httpd
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;if `id -u 2>/dev/null` -eq \x270\x27 ; then ps x 2>/dev/null | grep /etc/cron 2>/dev/null | grep -v grep 2>/dev/null | while read procid; do kill -9 $procid 2>/dev/null; done fi
id -u
ps x

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:

DNS ASK:

Other:

Collects OS information

Collects CPU information

Collects RAM information

Collects information about network activity