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Linux.Siggen.180

Added to the Dr.Web virus database: 2017-07-05

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/acpidtd
  • /etc/rc.d/rc*.d/S01acpidtd
Creates or modifies the following symlinks:
  • /etc/rc0.d/S01acpidtd
  • /etc/rc1.d/S01acpidtd
  • /etc/rc2.d/S01acpidtd
  • /etc/rc3.d/S01acpidtd
  • /etc/rc4.d/S01acpidtd
  • /etc/rc5.d/S01acpidtd
  • /etc/rc6.d/S01acpidtd
Malicious functions:
Launches itself as a daemon
Replaces the following system files:
  • /bin/ss
  • /bin/netstat
Launches processes:
  • sh -c /tmp/tmpnam_PGNdDO upgrade;sleep 1;rm -f /tmp/tmpnam_PGNdDO
  • /tmp/tmpnam_PGNdDO upgrade
  • /bin/sh ##which ss 1>/dev/null 2>&1
  • which ss
  • /bin/sh ##which ss
  • /bin/sh ##which netstat 1>/dev/null 2>&1
  • which netstat
  • /bin/sh ##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
  • /bin/sh ##cp -f /tmp/tmpnam_PGNdDO /bin/ddus-uidge
  • cp -f /tmp/tmpnam_PGNdDO /bin/ddus-uidgen
  • cp -f /bin/ddus-uidgen /etc/init.d/acpidtd
  • /bin/sh ##chmod +x /bin/scss 1>/dev/null 2>&1;
  • chmod +x /bin/scss
  • ##cp -f /tmp/tmpnam_PGNdDO /bin/ss 1>/dev/null 2>&1;touch -r /bin/sh /bin/ss /bin/scss 1>/dev/null 2>&1;
  • ln -fs /etc/init.d/acpidtd /etc/rc0.d/S01acpidtd
  • cp -f /tmp/tmpnam_PGNdDO /bin/ss
  • ln -fs /etc/init.d/acpidtd /etc/rc1.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc2.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc3.d/S01acpidtd
  • touch -r /bin/sh /bin/ss /bin/scss
  • ln -fs /etc/init.d/acpidtd /etc/rc4.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc5.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc6.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc0.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc1.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc2.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc3.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc4.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc5.d/S01acpidtd
  • /bin/sh ##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
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc6.d/S01acpidtd
  • chattr +i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat
  • touch -r /bin/sh /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd
  • /bin/sh ##chmod +x /bin/scnetstat 1>/dev/null 2>&1;
  • chmod +x /bin/scnetstat
  • ##cp -f /tmp/tmpnam_PGNdDO /bin/netstat 1>/dev/null 2>&1;touch -r /bin/sh /bin/netstat /bin/scnetstat 1>/dev/null 2>&1;
  • cp -f /tmp/tmpnam_PGNdDO /bin/netstat
  • touch -r /bin/sh /bin/netstat /bin/scnetstat
  • sleep 1
  • rm -f /tmp/tmpnam_PGNdDO
Performs operations with the file system:
Modifies file access rights:
  • /tmp/tmpnam_PGNdDO
  • /bin/scss
  • /bin/scnetstat
Creates or modifies files:
  • /tmp/tmpnam_PGNdDO
  • /bin/ddus-uidgen
  • /bin/scss
  • /bin/scnetstat
Deletes files:
  • /tmp/tmpnam_PGNdDO
Network activity:
Establishes connection:
  • 16#.##.30.212:3646
  • 11#.##.33.59:2382
  • 58.##.32.135:8534
  • 22#.##.116.233:8414
  • 22#.###.214.158:9803
DNS ASK:
  • 12#.211
  • 22#.204
  • wi###o1n3.pw

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