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Linux.Siggen.2075

Added to the Dr.Web virus database: 2019-08-14

Virus description added:

Technical Information

Malicious functions:
Performs process tracing:
  • <SAMPLE>
  • <SAMPLE_FULL_PATH>
Launches processes:
  • /bin/sh <SAMPLE_FULL_PATH> -c exec '<SAMPLE_FULL_PATH>' \"$@\" <SAMPLE_FULL_PATH>
  • <SAMPLE_FULL_PATH>
  • /bin/sh <SAMPLE_FULL_PATH> -c
  • cp -f /usr/bin/chattr /usr/bin/lockr
  • cp -f /usr/bin/chattr /usr/bin/.locks
  • cp -f /usr/bin/.locks /usr/bin/lockr
  • chmod 777 /usr/bin/lockr
  • chmod 777 /usr/bin/.locks
  • lockr +i /usr/bin/lockr
  • lockr +i /usr/bin/.locks
  • lockr -i /usr/bin/dget
  • chmod 777 /usr/bin/dget
  • lockr +i /usr/bin/dget
  • lockr -i /usr/bin/pkill
  • chmod 777 /usr/bin/pkill
  • lockr +i /usr/bin/pkill
  • lockr -i /usr/bin/nohup
  • chmod 777 /usr/bin/nohup
  • lockr +i /usr/bin/nohup
  • lockr -i /usr/bin/killall
  • chmod 777 /usr/bin/killall
  • lockr +i /usr/bin/killall
  • lockr -i /usr/bin/nslookup
  • chmod 777 /usr/bin/nslookup
  • lockr +i /usr/bin/nslookup
  • ifconfig
  • grep inet
  • grep -v 127.0
  • xargs
  • awk -F [ :] {print $3}
  • grep 192.168
  • /bin/echo inet addr:192.168.214.50 Bcast:192.168.214.255 Mask:255.255.255.0
Kills the following processes:
  • <SAMPLE>
  • <SAMPLE_FULL_PATH>
Performs operations with the file system:
Modifies file access rights:
  • /usr/bin/lockr
  • /usr/bin/.locks
  • /usr/bin/dget
  • /usr/bin/pgrep
  • /usr/bin/nohup
  • /usr/bin/killall
  • /usr/bin/nslookup
Creates or modifies files:
  • /usr/bin/lockr
  • /usr/bin/.locks

Curing recommendations


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