root         582  0.5  0.3   2872  1680 tty1     Ss+  08:20   0:00 /sbin/agetty 1 linux                                                                         root         583  0.0  0.4   4396  2100 ttyS0    Ss+  08:20   0:00 /sbin/agetty 15200,57600,38400,9600 ttyS0 vt220                                              root         584  0.0  1.5  13352  7036 ?        Ss   08:20   0:00 sshd: /usr/sbf 10-100 startups                                                               _chrony      586  0.0  0.7  10852  3680 ?        S    08:20   0:00 /usr/sbin/chr_chrony      587  0.0  0.1  10724   552 ?        S    08:20   0:00  \_ /usr/sbinroot         590  0.3  3.7  26612 17376 ?        Ss   08:20   0:00 /usr/bin/pyth-upgrades/unattended-upgrade-shutdown --wait-for-signal                         admin@i-05c71fbccf670d19a:~$ ls -l                                              total 8                                                                         drwxr-xr-x 2 admin root 4096 Sep 24 23:20 agent                                 -rwxrwx--- 1 root  root  360 Sep 24 23:20 webserver.py                          admin@i-05c71fbccf670d19a:~$ python3                                            

> User-Agent: curl/7.74.0                                                       > Accept: */*                                                                   >                                                                               * Mark bundle as not supporting multiuse                                        < HTTP/1.1 200 OK                                                               < Server: Werkzeug/2.3.7 Python/3.9.2                                           < Date: Fri, 26 Jan 2024 08:14:13 GMT                                           < Content-Type: text/html; charset=utf-8                                        < Content-Length: 12                                                            < Connection: close                                                             <                                                                               * Closing connection 0                                                          Unauthorizedadmin@i-048defd814f7a6edd:~$ ls localhost:5000                      ls: cannot access 'localhost:5000': No such file or directory                   admin@i-048defd814f7a6edd:~$ l                                                  

admin@i-0135396ea42201af3:~$                                                    admin@i-0135396ea42201af3:~$                                                    admin@i-0135396ea42201af3:~$                                                    admin@i-0135396ea42201af3:~$ pwd                                                /home/admin                                                                     admin@i-0135396ea42201af3:~$                                                    

drwx------   5 root root  4096 Jan 25 19:49 root                                drwxr-xr-x  22 root root   620 Jan 25 19:49 run                                 lrwxrwxrwx   1 root root     8 Sep 28  2021 sbin -> usr/sbin                    drwxr-xr-x   2 root root  4096 Sep 28  2021 srv                                 dr-xr-xr-x  13 root root     0 Jan 25 19:48 sys                                 drwxrwxrwt   9 root root  4096 Jan 25 19:49 tmp                                 drwxr-xr-x  14 root root  4096 Sep 28  2021 usr                                 drwxr-xr-x  11 root root  4096 Sep 28  2021 var                                 admin@i-0f29e47a857c873d8:/$ ls opt                                             admin@i-0f29e47a857c873d8:/$ ls run                                             agetty.reload  cloud-init    dbus                initramfs  network          sshblkid          credentials   dhclient.ens5.pid   lock       screen           sshchrony         crond.pid     dhclient6.ens5.pid  log        sendsigs.omit.d  sudchrony-dhcp    crond.reboot  initctl             mount      shm              sysadmin@i-0f29e47a857c873d8:/$ cd run                                             

/dev/nvme0n1p1   7.7G  6.1G  1.2G  84% /                                        tmpfs            228M   12K  228M   1% /dev/shm                                 tmpfs            5.0M     0  5.0M   0% /run/lock                                /dev/nvme0n1p15  124M  5.9M  118M   5% /boot/efi                                admin@i-028b46998ca7b18c9:~$ du ./                                              11140   ./agent                                                                 4       ./.ansible/tmp                                                          8       ./.ansible                                                              4       ./data                                                                  4       ./.config/procps                                                        8       ./.config/asciinema                                                     16      ./.config                                                               8       ./.ssh                                                                  5256232 ./                                                                      admin@i-028b46998ca7b18c9:~$ df -ht                                             

sudo: 3 incorrect password attempts                                             admin@i-0ade0a697ccc4e8f9:/$ cd /usr/                                           bin/     include/ lib32/   libexec/ local/   share/                             games/   lib/     lib64/   libx32/  sbin/    src/                               admin@i-0ade0a697ccc4e8f9:/$ cd /home/admin/                                    admin@i-0ade0a697ccc4e8f9:~$ ls                                                 agent  webserver.py                                                             admin@i-0ade0a697ccc4e8f9:~$ ls agent/                                          check.sh  sadagent  sadagent.txt                                                admin@i-0ade0a697ccc4e8f9:~$ ls agent/sadagent                                  agent/sadagent                                                                  admin@i-0ade0a697ccc4e8f9:~$ less agent/sadagent                                sadagent      sadagent.txt                                                      admin@i-0ade0a697ccc4e8f9:~$ less agent/sadagent.txt                            admin@i-0ade0a697ccc4e8f9:~$ less agent/sadagent.txt                            

write(2, "\t", 1        )                       = 1                             write(2, "./main.go", 9./main.go)                = 9                            write(2, ":", 1:)                        = 1                                    write(2, "64", 264)                       = 2                                   write(2, " +", 2 +)                       = 2                                   write(2, "0x47d", 50x47d)                    = 5                                write(2, "\n", 1                                                                )                       = 1                                                     exit_group(2)                           = ?                                     +++ exited with 2 +++                                                           admin@i-0cf4052df7f7472c2:~$ strace -v /home/admin/kihei > strace.txt^C         admin@i-0cf4052df7f7472c2:~$ cat strace.txt                                     admin@i-0cf4052df7f7472c2:~$ strace^C                                           admin@i-0cf4052df7f7472c2:~$ ^C                                                 admin@i-0cf4052df7f7472c2:~$                                                    

admin@i-04c670c6cdcffc314:~$ ls -l                                              total 8                                                                         drwxr-xr-x 2 admin root 4096 Sep 24 23:20 agent                                 -rwxrwx--- 1 root  root  360 Sep 24 23:20 webserver.py                          admin@i-04c670c6cdcffc314:~$ cat webserver.py                                   cat: webserver.py: Permission denied                                            admin@i-04c670c6cdcffc314:~$ ./webse                                            

admin@i-0bf562d53de649339:~/agent$ cd ../                                       admin@i-0bf562d53de649339:~$ ls -lah                                            total 44K                                                                       drwxr-xr-x 6 admin admin 4.0K Sep 24 23:20 .                                    drwxr-xr-x 3 root  root  4.0K Sep 17 16:44 ..                                   drwx------ 3 admin admin 4.0K Sep 20 15:52 .ansible                             -rw------- 1 admin admin  186 Jan 18 18:58 .bash_history                        -rw-r--r-- 1 admin admin  220 Aug  4  2021 .bash_logout                         -rw-r--r-- 1 admin admin 3.5K Aug  4  2021 .bashrc                              drwxr-xr-x 3 admin admin 4.0K Sep 20 15:56 .config                              -rw-r--r-- 1 admin admin  807 Aug  4  2021 .profile                             drwx------ 2 admin admin 4.0K Sep 17 16:44 .ssh                                 drwxr-xr-x 2 admin root  4.0K Sep 24 23:20 agent                                -rwxrwx--- 1 root  root   360 Sep 24 23:20 webserver.py                         admin@i-0bf562d53de649339:~$ curl -v http://localhos                            

rm: cannot remove 'datafile': Permission denied                                 admin@i-0726590fe1fcdef99:/mnt/new_partition$ sudo srm datafile                 sudo: srm: command not found                                                    admin@i-0726590fe1fcdef99:/mnt/new_partition$ sudo rm datafile                  admin@i-0726590fe1fcdef99:/mnt/new_partition$ ls                                lost+found                                                                      admin@i-0726590fe1fcdef99:/mnt/new_partition$ cd /                              admin@i-0726590fe1fcdef99:/$ ls                                                 bin   dev  home  lib32  libx32      media  opt   root  sbin  sys  usr           boot  etc  lib   lib64  lost+found  mnt    proc  run   srv   tmp  var           admin@i-0726590fe1fcdef99:/$ cd home/admin/                                     admin@i-0726590fe1fcdef99:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-0726590fe1fcdef99:~$ ln -s /mnt/new_partition/ test                     admin@i-0726590fe1fcdef99:~$ ls                                                 

admin@i-06dcbab6c27349256:~$ nc localhost 5000                                                                                                                                                                                                  admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$                                                    admin@i-06dcbab6c27349256:~$ е                                                  

Sep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.091913] ACPI: IRQ9 used by ovSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.091914] ACPI: IRQ10 used by oSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.091914] ACPI: IRQ11 used by oSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.091917] Using ACPI (MADT) forSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.093473] ACPI: HPET id: 0x8086Sep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.094849] smpboot: Allowing 2 CSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.096132] PM: hibernation: RegiSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.098065] PM: hibernation: RegiSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.099976] PM: hibernation: RegiSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.102002] PM: hibernation: RegiSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.103906] [mem 0x20000000-0xdffSep 17 17:10:45 i-0f105f42f4286b9f1 kernel: [    0.105424] Booting paravirtualiz                                                                                ^G Help       ^O Write Out  ^W Where Is   ^K Cut        ^T Execute    ^C Locatio^X Exit       ^R Read File  ^\ Replace    ^U Paste      ^J Justify    ^_ Go To L

admin@i-005816389398da366:~$ md5sum ~/mysolution                                md5sum: /home/admin/mysolution: No such file or directory                       admin@i-005816389398da366:~$ sudo cat /etc/passwd                                                                                                               We trust you have received the usual lecture from the local System              Administrator. It usually boils down to these three things:                                                                                                         #1) Respect the privacy of others.                                              #2) Think before you type.                                                      #3) With great power comes great responsibility.                                                                                                            [sudo] password for admin:                                                      

write(2, " +", 2 +)                       = 2                                   write(2, "0x47d", 50x47d)                    = 5                                write(2, "\n", 1                                                                )                       = 1                                                     exit_group(2)                           = ?                                     +++ exited with 2 +++                                                           admin@i-0269ea0138568a4a7:~$ sudo ulimit -a                                     sudo: ulimit: command not found                                                 admin@i-0269ea0138568a4a7:~$ sudo ulimits -a                                    sudo: ulimits: command not found                                                admin@i-0269ea0138568a4a7:~$ sudo ul                                            ul      ulimit                                                                  admin@i-0269ea0138568a4a7:~$ sudo ul                                            ul      ulimit                                                                  admin@i-0269ea0138568a4a7:~$ sudo ulimit -a