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Linux.Siggen.245

Added to the Dr.Web virus database: 2017-08-31

Virus description added:

Technical Information

Malicious functions:
Replaces the following system files:
  • /bin/ss
  • /bin/netstat
Launches processes:
  • sh -c which ss 1>/dev/null 2>&1
  • which ss
  • sh -c which ss
  • sh -c which netstat 1>/dev/null 2>&1
  • which netstat
  • sh -c which netstat
  • sh -c chattr -i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat 1>/dev/null 2>&1
  • chattr -i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat
  • sh -c chmod +x /bin/scss 1>/dev/null 2>&1;
  • chmod +x /bin/scss
  • sh -c cp -f <SAMPLE_FULL_PATH> /bin/ss 1>/dev/null 2>&1;touch -r /bin/sh /bin/ss /bin/scss 1>/dev/null 2>&1;
  • cp -f <SAMPLE_FULL_PATH> /bin/ss
  • touch -r /bin/sh /bin/ss /bin/scss
  • sh -c chattr +i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat 1>/dev/null 2>&1
  • chattr +i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat
  • sh -c chmod +x /bin/scnetstat 1>/dev/null 2>&1;
  • chmod +x /bin/scnetstat
  • sh -c cp -f <SAMPLE_FULL_PATH> /bin/netstat 1>/dev/null 2>&1;touch -r /bin/sh /bin/netstat /bin/scnetstat 1>/dev/null 2>&1;
  • cp -f <SAMPLE_FULL_PATH> /bin/netstat
  • touch -r /bin/sh /bin/netstat /bin/scnetstat
Performs operations with the file system:
Modifies file access rights:
  • /bin/scss
  • /bin/scnetstat
Creates or modifies files:
  • /bin/scss
  • /bin/scnetstat

Curing recommendations


Linux

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