admin@i-001e37fc420d7401f:~$ wget localhost:5000 -O -                           --2023-12-04 00:40:11--  http://localhost:5000/                                 Resolving localhost (localhost)... 127.0.0.1                                    Connecting to localhost (localhost)|127.0.0.1|:5000... connected.               HTTP request sent, awaiting response... 200 OK                                  Length: 12 [text/html]                                                          Saving to: ‘STDOUT’                                                                                                                                             -                                           0%[                                 -                                         100%[============================================================>]      12  --.-KB/s    in 0s                                                                                                        2023-12-04 00:40:11 (255 KB/s) - written to stdout [12/12]                                                                                                      admin@i-001e37fc420d7401f:~$                                                    

admin@i-04a78007c8911daa8:~$ sudo cp /home/admin/kihei /dev/nvme0n1p15          admin@i-04a78007c8911daa8:~$ cd /dev/                                           block/     disk/      hugepages/ mapper/    net/       shm/                     char/      fd/        input/     mqueue/    pts/       vfio/                    admin@i-04a78007c8911daa8:~$ cd /dev/                                           block/     disk/      hugepages/ mapper/    net/       shm/                     char/      fd/        input/     mqueue/    pts/       vfio/                    admin@i-04a78007c8911daa8:~$ cd /dev/                                           block/     disk/      hugepages/ mapper/    net/       shm/                     char/      fd/        input/     mqueue/    pts/       vfio/                    admin@i-04a78007c8911daa8:~$ cd /dev/disk/by-                                   by-id/       by-partuuid/ by-path/     by-uuid/                                 admin@i-04a78007c8911daa8:~$ cd /dev/disk/by-                                   by-id/       by-partuuid/ by-path/     by-uuid/                                 admin@i-04a78007c8911daa8:~$ cd /dev/pts/                                       

drwxr-xr-x 3 root  root       16384 Jan  1  1970 data                           -rw-r--r-- 1 root  root  5368709120 Sep 17 17:28 datafile                       -rwxr-xr-x 1 admin root     2207109 Sep 17 17:28 kihei                          admin@i-0e45767b31594566c:~$ chmod 777 data                                     chmod: changing permissions of 'data': Operation not permitted                  admin@i-0e45767b31594566c:~$ sudo  chmod 777 data                               admin@i-0e45767b31594566c:~$ ./kihei -v                                         Deleting file /home/admin/data/newdatafile...                                   panic: remove /home/admin/data/newdatafile: permission denied                                                                                                   goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:50 +0x48d                                                     admin@i-0e45767b31594566c:~$ rm /home/admin/data/newdatafile                    rm: remove write-protected regular empty file '/home/admin/data/newdatafile'? n 

admin@i-010ddf227d47675e0:~$ /home                                              

admin@i-09d8120617f39a692:~$ curl -A root localhost:5000                        Welcome! Password is FDZPmh5AX3oiJtadmin@i-09d8120617f39a692:~$ ^C              admin@i-09d8120617f39a692:~$ awk '{print                                        

-rw-r--r-- 1 admin admin        807 Aug  4  2021 .profile                       drwx------ 2 admin admin       4096 Sep 17 16:44 .ssh                           drwxr-xr-x 2 admin root        4096 Sep 17 17:28 agent                          drwxr-xr-x 2 admin root        4096 Dec 22 23:35 data                           -rw-r--r-- 1 root  root  5368709120 Sep 17 17:28 datafile                       -rwxr-xr-x 1 admin root     2207109 Sep 17 17:28 kihei                          admin@i-09847815c1c995975:~$ cd data                                            admin@i-09847815c1c995975:~/data$ ls                                            admin@i-09847815c1c995975:~/data$ ls -la                                        total 8                                                                         drwxr-xr-x 2 admin root  4096 Dec 22 23:35 .                                    drwxr-xr-x 7 admin admin 4096 Dec 22 23:35 ..                                   admin@i-09847815c1c995975:~/data$ du                                            4       .                                                                       admin@i-09847815c1c995975:~/data$ ls                                            

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-06bbe1bb9a1bed390:~$ sudo wc -l webserver.py                                                                                                            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:                                                      sudo: a password is required                                                    admin@i-06bbe1bb9a1bed390:~$ grep password                                      

nvme0n1p14 259:4    0    3M  0 part                                             nvme0n1p15 259:5    0  124M  0 part /boot/efi                                   admin@i-0c90bbae859c0f897:~$ lvcreate -n lv -l 100%FREE vg                        WARNING: Running as a non-root user. Functionality may be unavailable.          /dev/mapper/control: open failed: Permission denied                             Failure to communicate with kernel device-mapper driver.                        Incompatible libdevmapper 1.02.175 (2021-01-08) and kernel driver (unknown ver  striped: Required device-mapper target(s) not detected in your kernel.          Run `lvcreate --help' for more information.                                   admin@i-0c90bbae859c0f897:~$ sudo lvcreate -n lv -l 100%FREE vg                   Logical volume "lv" created.                                                  admin@i-0c90bbae859c0f897:~$ mkfs.ext4 /dev/vg/lv                               mke2fs 1.46.2 (28-Feb-2021)                                                     Could not open /dev/vg/lv: Permission denied                                    admin@i-0c90bbae859c0f897:~$                                                    

admin@i-061b26af1597c9557:~$ nc localhost 5000                                  GET /                                                                                                                                                           Welcome! Password is FDZPmh5AX3oiJt                                             admin@i-061b26af1597c9557:~$ curl --user-agent "whatever" loclah                

admin@i-0a815900e63630b6e:~$ ls                                                 agent  webserver.py                                                             admin@i-0a815900e63630b6e:~$ curl localhost:5000                                Unauthorizedadmin@i-0a815900e63630b6e:~$                                        admin@i-0a815900e63630b6e:~$ md5sum Unauthorized                                md5sum: Unauthorized: No such file or directory                                 admin@i-0a815900e63630b6e:~$ md5sum "Unauthorized"                              md5sum: Unauthorized: No such file or directory                                 admin@i-0a815900e63630b6e:~$ echo Unauthorized | md5sum                         be3c5cdccf225ae191b14b7dcef21246  -                                             admin@i-0a815900e63630b6e:~$ echo localhost:5000 | md5sum                       4d3fa77f6d4d68a367a06f34a20eaf03  -                                             admin@i-0a815900e63630b6e:~$ echo localhost | md5sum                            b8419160170a41ae01abab13a3b887df  -                                             admin@i-0a815900e63630b6e:~$ curl -vvv localos                                  

write(2, ")\n", 2)                                                              )                      = 2                                                      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-08a24784aa14064f9:~$                                                    admin@i-08a24784aa14064f9:~$                                                    admin@i-08a24784aa14064f9:~$ strace /home/admin/kihei                           

admin@i-0c17fc97359aff9e0:~$ curl localhost:5000                                Unauthorizedadmin@i-0c17fc97359aff9e0:~$ wget localhost:5000                    --2024-02-14 03:27:44--  http://localhost:5000/                                 Resolving localhost (localhost)... 127.0.0.1                                    Connecting to localhost (localhost)|127.0.0.1|:5000... connected.               HTTP request sent, awaiting response... 200 OK                                  Length: 12 [text/html]                                                          Saving to: ‘index.html’                                                                                                                                         index.html                 100%[=====================================>]      12                                                                                 2024-02-14 03:27:44 (210 KB/s) - ‘index.html’ saved [12/12]                                                                                                     admin@i-0c17fc97359aff9e0:~$ curl --user-agent "                                

ty1     Ss+  20:00   0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux           root         593  0.0  0.4   4396  2028 ttyS0    Ss+  20:00   0:00 /sbin/agetty -o -p -- \u --keep-baud 115200,57          _chrony      595  0.0  0.7  10852  3716 ?        S    20:00   0:00 /usr/sbin/chronyd -F 1                                  _chrony      596  0.0  0.1  10724   552 ?        S    20:00   0:00  \_ /usr/sbin/chronyd -F 1                              root         611  0.0  3.7  26612 17296 ?        Ss   20:00   0:00 /usr/bin/python3 /usr/share/unattended-upgrade          admin@i-020b6c81f12d03fba:~$ ca          

+++ exited with 2 +++                                                           admin@i-0a474ba1576819cf3:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-0a474ba1576819cf3:~$ ls data                                            admin@i-0a474ba1576819cf3:~$ mv datafile data/newdatafileç                      admin@i-0a474ba1576819cf3:~$ s data                                             bash: s: command not found                                                      admin@i-0a474ba1576819cf3:~$ ls data                                            newdatafileç                                                                    admin@i-0a474ba1576819cf3:~$ mv data/newdatafileç data/newdatafile              admin@i-0a474ba1576819cf3:~$ ls data                                            newdatafile                                                                     admin@i-0a474ba1576819cf3:~$ ./kihei                                            Done.                                                                           admin@i-0a474ba1576819cf3:~$