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Linux.Packed.424

Added to the Dr.Web virus database: 2019-05-24

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • xnwmdd
  • oesphs
  • uilyifrn
  • qvqvno
  • xwli
  • * **
Modifies firewall settings:
  • iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string tor2web.su -j DROP
  • iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string tor2web.io -j DROP
  • iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string onion.sh -j DROP
  • iptables -I OUTPUT -p tcp -d pastebin.com -j DROP
Launches processes:
  • sh -c
  • atq
  • cut -f 1
  • sh -c /root/ducmji
  • /sbin/modprobe ip_tables -q
  • /root/ducmji
  • sh -c /root/oncdpkqcci ssdk
  • /root/oncdpkqcci ssdk
  • sh -c /root/nrfnrl
  • /root/nrfnrl
  • sh -c /root/fplhwe xwli
  • /root/fplhwe xwli
  • sh -c /root/tosh
  • /root/tosh
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
  • bash
  • systemd
  • /bin/sh
  • (sd-pam)
Performs operations with the file system:
Modifies file access rights:
  • /usr/bin/wget
  • /dev/urandom
  • /usr/bin/perl
  • /usr/bin/python3.4
  • /usr/bin/python2.7
  • /usr/bin/mawk
  • /usr/bin/xargs
  • /bin/sed
  • /usr/bin/crontab
  • /root/ducmji
  • /root/oncdpkqcci
  • /root/nrfnrl
  • /root/fplhwe
  • /root/tosh
Creates or modifies files:
  • /root/ducmji
  • /root/oncdpkqcci
  • /root/nrfnrl
  • /root/fplhwe
  • /root/c
  • /root/tosh
Deletes files:
  • /root/fplhwe
  • /root/c
Network activity:
Establishes connection:
  • [:##]:53
  • 127.0.0.1:53
HTTP GET requests:
  • 37.###.129.58/home/sync
  • 37.###.129.58/home/slpr
  • 95.###.142.161/c/cdc
  • 95.###.142.161/c/coooc

Curing recommendations


Linux

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