System/Kernel
kid@scriptkiddie:~$ file /bin/bash ; uname -a ; cat /etc/*release
/bin/bash: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=a6cb40078351e05121d46daa768e271846d5cc54, for GNU/Linux 3.2.0, stripped
linux scriptkiddie 5.4.0-65-generic #73-ubuntu smp mon jan 18 17:25:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
home_url="https://www.ubuntu.com/"
support_url="https://help.ubuntu.com/"
bug_report_url="https://bugs.launchpad.net/ubuntu/"
privacy_policy_url="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focalUbuntu 20.04.1 LTS (Focal Fossa)
5.4.0-65-generic
x86_64
Networks
kid@scriptkiddie:~$ netstat antup4
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:5000 0.0.0.0:* LISTEN 901/python3
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN -
tcp 0 360 10.10.10.226:22 10.10.14.12:36564 ESTABLISHED -
tcp 0 76 10.10.10.226:40094 10.10.14.12:9999 ESTABLISHED 1217/nc
udp 0 0 127.0.0.53:53 0.0.0.0:* - 127.0.0.53:53
Users & Groups
ot:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
systemd-network:x:100:102:systemd Network Management,,,:/run/systemd:/usr/sbin/nologin
systemd-resolve:x:101:103:systemd Resolver,,,:/run/systemd:/usr/sbin/nologin
systemd-timesync:x:102:104:systemd Time Synchronization,,,:/run/systemd:/usr/sbin/nologin
messagebus:x:103:106::/nonexistent:/usr/sbin/nologin
syslog:x:104:110::/home/syslog:/usr/sbin/nologin
_apt:x:105:65534::/nonexistent:/usr/sbin/nologin
tss:x:106:111:TPM software stack,,,:/var/lib/tpm:/bin/false
uuidd:x:107:112::/run/uuidd:/usr/sbin/nologin
tcpdump:x:108:113::/nonexistent:/usr/sbin/nologin
landscape:x:109:115::/var/lib/landscape:/usr/sbin/nologin
pollinate:x:110:1::/var/cache/pollinate:/bin/false
sshd:x:111:65534::/run/sshd:/usr/sbin/nologin
systemd-coredump:x:999:999:systemd Core Dumper:/:/usr/sbin/nologin
lxd:x:998:100::/var/snap/lxd/common/lxd:/bin/false
kid:x:1000:1000:kid:/home/kid:/bin/bash
pwn:x:1001:1001::/home/pwn:/bin/bash
total 16
drwxr-xr-x 4 root root 4096 Feb 3 2021 ./
drwxr-xr-x 20 root root 4096 Feb 3 2021 ../
drwxr-xr-x 11 kid kid 4096 Feb 3 2021 kid/
drwxr-xr-x 6 pwn pwn 4096 Feb 3 2021 pwn/pwn
kid@scriptkiddie:~$ cut -d: -f1 /etc/passwd | xargs -n1 id
uid=0(root) gid=0(root) groups=0(root)
uid=1(daemon) gid=1(daemon) groups=1(daemon)
uid=2(bin) gid=2(bin) groups=2(bin)
uid=3(sys) gid=3(sys) groups=3(sys)
uid=4(sync) gid=65534(nogroup) groups=65534(nogroup)
uid=5(games) gid=60(games) groups=60(games)
uid=6(man) gid=12(man) groups=12(man)
uid=7(lp) gid=7(lp) groups=7(lp)
uid=8(mail) gid=8(mail) groups=8(mail)
uid=9(news) gid=9(news) groups=9(news)
uid=10(uucp) gid=10(uucp) groups=10(uucp)
uid=13(proxy) gid=13(proxy) groups=13(proxy)
uid=33(www-data) gid=33(www-data) groups=33(www-data)
uid=34(backup) gid=34(backup) groups=34(backup)
uid=38(list) gid=38(list) groups=38(list)
uid=39(irc) gid=39(irc) groups=39(irc)
uid=41(gnats) gid=41(gnats) groups=41(gnats)
uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
uid=100(systemd-network) gid=102(systemd-network) groups=102(systemd-network)
uid=101(systemd-resolve) gid=103(systemd-resolve) groups=103(systemd-resolve)
uid=102(systemd-timesync) gid=104(systemd-timesync) groups=104(systemd-timesync)
uid=103(messagebus) gid=106(messagebus) groups=106(messagebus)
uid=104(syslog) gid=110(syslog) groups=110(syslog),4(adm),5(tty)
uid=105(_apt) gid=65534(nogroup) groups=65534(nogroup)
uid=106(tss) gid=111(tss) groups=111(tss)
uid=107(uuidd) gid=112(uuidd) groups=112(uuidd)
uid=108(tcpdump) gid=113(tcpdump) groups=113(tcpdump)
uid=109(landscape) gid=115(landscape) groups=115(landscape)
uid=110(pollinate) gid=1(daemon) groups=1(daemon)
uid=111(sshd) gid=65534(nogroup) groups=65534(nogroup)
uid=999(systemd-coredump) gid=999(systemd-coredump) groups=999(systemd-coredump)
uid=998(lxd) gid=100(users) groups=100(users)
uid=1000(kid) gid=1000(kid) groups=1000(kid)
uid=1001(pwn) gid=1001(pwn) groups=1001(pwn)SUIDs
kid@scriptkiddie:~$ find / -perm -04000 -ls -type f 2>/dev/null
1051313 16 -rwsr-xr-x 1 root root 14488 Jul 8 2019 /usr/lib/eject/dmcrypt-get-device
1051518 464 -rwsr-xr-x 1 root root 473576 May 29 2020 /usr/lib/openssh/ssh-keysign
1057659 128 -rwsr-xr-x 1 root root 130152 Nov 19 2020 /usr/lib/snapd/snap-confine
1051306 52 -rwsr-xr-- 1 root messagebus 51344 Jun 11 2020 /usr/lib/dbus-1.0/dbus-daemon-launch-helper
1051528 24 -rwsr-xr-x 1 root root 22840 Aug 16 2019 /usr/lib/policykit-1/polkit-agent-helper-1
1049617 56 -rwsr-xr-x 1 root root 55528 Jul 21 2020 /usr/bin/mount
1051293 68 -rwsr-xr-x 1 root root 67816 Jul 21 2020 /usr/bin/su
1050497 84 -rwsr-xr-x 1 root root 85064 May 28 2020 /usr/bin/chfn
1050608 40 -rwsr-xr-x 1 root root 39144 Mar 7 2020 /usr/bin/fusermount
1050807 68 -rwsr-xr-x 1 root root 68208 May 28 2020 /usr/bin/passwd
1050828 32 -rwsr-xr-x 1 root root 31032 Aug 16 2019 /usr/bin/pkexec
1050774 44 -rwsr-xr-x 1 root root 44784 May 28 2020 /usr/bin/newgrp
1050503 52 -rwsr-xr-x 1 root root 53040 May 28 2020 /usr/bin/chsh
1049624 40 -rwsr-xr-x 1 root root 39144 Jul 21 2020 /usr/bin/umount
1053168 164 -rwsr-xr-x 1 root root 166056 Jan 19 2021 /usr/bin/sudo
1050626 88 -rwsr-xr-x 1 root root 88464 May 28 2020 /usr/bin/gpasswd
1050429 56 -rwsr-sr-x 1 daemon daemon 55560 Nov 12 2018 /usr/bin/at
128 109 -rwsr-xr-x 1 root root 110792 Dec 15 2020 /snap/snapd/10707/usr/lib/snapd/snap-confine
128 109 -rwsr-xr-x 1 root root 110792 Dec 3 2020 /snap/snapd/10492/usr/lib/snapd/snap-confine
56 43 -rwsr-xr-x 1 root root 43088 Mar 5 2020 /snap/core18/1880/bin/mount
65 63 -rwsr-xr-x 1 root root 64424 Jun 28 2019 /snap/core18/1880/bin/ping
81 44 -rwsr-xr-x 1 root root 44664 Mar 22 2019 /snap/core18/1880/bin/su
99 27 -rwsr-xr-x 1 root root 26696 Mar 5 2020 /snap/core18/1880/bin/umount
1718 75 -rwsr-xr-x 1 root root 76496 Mar 22 2019 /snap/core18/1880/usr/bin/chfn
1720 44 -rwsr-xr-x 1 root root 44528 Mar 22 2019 /snap/core18/1880/usr/bin/chsh
1771 75 -rwsr-xr-x 1 root root 75824 Mar 22 2019 /snap/core18/1880/usr/bin/gpasswd
1835 40 -rwsr-xr-x 1 root root 40344 Mar 22 2019 /snap/core18/1880/usr/bin/newgrp
1847 59 -rwsr-xr-x 1 root root 59640 Mar 22 2019 /snap/core18/1880/usr/bin/passwd
1938 146 -rwsr-xr-x 1 root root 149080 Jan 31 2020 /snap/core18/1880/usr/bin/sudo
2025 42 -rwsr-xr-- 1 root systemd-resolve 42992 Jun 11 2020 /snap/core18/1880/usr/lib/dbus-1.0/dbus-daemon-launch-helper
2333 427 -rwsr-xr-x 1 root root 436552 Mar 4 2019 /snap/core18/1880/usr/lib/openssh/ssh-keysign
56 43 -rwsr-xr-x 1 root root 43088 Sep 16 2020 /snap/core18/1944/bin/mount
65 63 -rwsr-xr-x 1 root root 64424 Jun 28 2019 /snap/core18/1944/bin/ping
81 44 -rwsr-xr-x 1 root root 44664 Mar 22 2019 /snap/core18/1944/bin/su
99 27 -rwsr-xr-x 1 root root 26696 Sep 16 2020 /snap/core18/1944/bin/umount
1726 75 -rwsr-xr-x 1 root root 76496 Mar 22 2019 /snap/core18/1944/usr/bin/chfn
1728 44 -rwsr-xr-x 1 root root 44528 Mar 22 2019 /snap/core18/1944/usr/bin/chsh
1781 75 -rwsr-xr-x 1 root root 75824 Mar 22 2019 /snap/core18/1944/usr/bin/gpasswd
1845 40 -rwsr-xr-x 1 root root 40344 Mar 22 2019 /snap/core18/1944/usr/bin/newgrp
1858 59 -rwsr-xr-x 1 root root 59640 Mar 22 2019 /snap/core18/1944/usr/bin/passwd
1949 146 -rwsr-xr-x 1 root root 149080 Sep 23 2020 /snap/core18/1944/usr/bin/sudo
2036 42 -rwsr-xr-- 1 root systemd-resolve 42992 Jun 11 2020 /snap/core18/1944/usr/lib/dbus-1.0/dbus-daemon-launch-helper
2346 427 -rwsr-xr-x 1 root root 436552 Mar 4 2019 /snap/core18/1944/usr/lib/openssh/ssh-keysignSGIDs
kid@scriptkiddie:~$ find / -perm -02000 -ls -type f 2>/dev/null
16669 16 -rwxr-sr-x 1 root utmp 14648 Sep 30 2019 /usr/lib/x86_64-linux-gnu/utempter/utempter
1055547 4 drwxrwsr-x 3 root staff 4096 Jul 31 2020 /usr/local/lib/python3.8
1055548 4 drwxrwsr-x 2 root staff 4096 Jul 31 2020 /usr/local/lib/python3.8/dist-packages
1073215 4 drwxrwsr-x 2 root staff 4096 Jan 5 2021 /usr/local/share/fonts
1050442 16 -rwxr-sr-x 1 root tty 14488 Mar 30 2020 /usr/bin/bsd-write
1050492 84 -rwxr-sr-x 1 root shadow 84512 May 28 2020 /usr/bin/chage
1050590 32 -rwxr-sr-x 1 root shadow 31312 May 28 2020 /usr/bin/expiry
1051019 344 -rwxr-sr-x 1 root ssh 350504 May 29 2020 /usr/bin/ssh-agent
1074359 104 -rwxr-sr-x 1 root incron 104936 Mar 22 2020 /usr/bin/incrontab
1050527 44 -rwxr-sr-x 1 root crontab 43720 Feb 13 2020 /usr/bin/crontab
1050429 56 -rwsr-sr-x 1 daemon daemon 55560 Nov 12 2018 /usr/bin/at
1050772 44 -rwxr-sr-x 1 root shadow 43160 Jul 21 2020 /usr/sbin/unix_chkpwd
1050658 44 -rwxr-sr-x 1 root shadow 43168 Jul 21 2020 /usr/sbin/pam_extrausers_chkpwd
1651 34 -rwxr-sr-x 1 root shadow 34816 Feb 27 2019 /snap/core18/1880/sbin/pam_extrausers_chkpwd
1680 34 -rwxr-sr-x 1 root shadow 34816 Feb 27 2019 /snap/core18/1880/sbin/unix_chkpwd
1713 71 -rwxr-sr-x 1 root shadow 71816 Mar 22 2019 /snap/core18/1880/usr/bin/chage
1758 23 -rwxr-sr-x 1 root shadow 22808 Mar 22 2019 /snap/core18/1880/usr/bin/expiry
1931 355 -rwxr-sr-x 1 root crontab 362640 Mar 4 2019 /snap/core18/1880/usr/bin/ssh-agent
1995 31 -rwxr-sr-x 1 root tty 30800 Mar 5 2020 /snap/core18/1880/usr/bin/wall
10748 0 drwxrwsr-x 2 root mail 3 Jul 7 2020 /snap/core18/1880/var/mail
1655 34 -rwxr-sr-x 1 root shadow 34816 Jul 21 2020 /snap/core18/1944/sbin/pam_extrausers_chkpwd
1684 34 -rwxr-sr-x 1 root shadow 34816 Jul 21 2020 /snap/core18/1944/sbin/unix_chkpwd
1721 71 -rwxr-sr-x 1 root shadow 71816 Mar 22 2019 /snap/core18/1944/usr/bin/chage
1766 23 -rwxr-sr-x 1 root shadow 22808 Mar 22 2019 /snap/core18/1944/usr/bin/expiry
1942 355 -rwxr-sr-x 1 root crontab 362640 Mar 4 2019 /snap/core18/1944/usr/bin/ssh-agent
2006 31 -rwxr-sr-x 1 root tty 30800 Sep 16 2020 /snap/core18/1944/usr/bin/wall
10801 0 drwxrwsr-x 2 root mail 3 Dec 10 2020 /snap/core18/1944/var/mail
17314 4 drwxrwsr-x 2 root staff 4096 Feb 3 2021 /var/local
7138 4 drwxr-sr-x 3 root systemd-journal 4096 Feb 3 2021 /var/log/journal
262291 4 drwxr-sr-x 2 root systemd-journal 4096 mar 31 08:17 /var/log/journal/06ba5ab198bd4b5bb2c9dcfcd5ecf5b2
17316 4 drwxrwsr-x 2 root mail 4096 Feb 3 2021 /var/mail
362 0 drwxr-sr-x 2 root systemd-journal 40 mar 31 08:17 /run/log/journal/usr/bin/incrontab
Processes
kid@scriptkiddie:~$ ps -auxwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.2 0.2 101888 11532 ? Ss 08:17 0:02 /sbin/init maybe-ubiquity
root 459 0.0 0.3 68036 15788 ? S<s 08:17 0:00 /lib/systemd/systemd-journald
root 487 0.0 0.1 21376 5288 ? Ss 08:17 0:00 /lib/systemd/systemd-udevd
systemd+ 498 0.0 0.1 18596 7704 ? Ss 08:17 0:00 /lib/systemd/systemd-networkd
root 657 0.0 0.4 280136 17940 ? SLsl 08:17 0:00 /sbin/multipathd -d -s
root 706 0.0 0.2 46312 10376 ? Ss 08:17 0:00 /usr/bin/VGAuthService
root 707 0.1 0.1 162136 7788 ? Ssl 08:17 0:01 /usr/bin/vmtoolsd
root 815 0.0 0.2 238064 9444 ? Ssl 08:17 0:00 /usr/lib/accountsservice/accounts-daemon
root 844 0.0 0.0 6220 3272 ? Ss 08:17 0:00 /usr/sbin/incrond
root 845 0.0 0.0 81960 3732 ? Ssl 08:17 0:00 /usr/sbin/irqbalance --foreground
root 850 0.1 0.4 26296 17732 ? Ss 08:17 0:01 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
root 853 0.2 0.7 702812 30592 ? Ssl 08:17 0:02 /usr/lib/snapd/snapd
root 854 0.0 0.1 16892 7684 ? Ss 08:17 0:00 /lib/systemd/systemd-logind
kid 901 0.1 0.6 105108 27264 ? Ss 08:17 0:00 /usr/bin/python3 /home/kid/html/app.py
root 919 0.0 0.0 5568 3004 ? Ss 08:17 0:00 /usr/sbin/cron -f
root 936 0.0 0.2 236420 9068 ? Ssl 08:17 0:00 /usr/lib/policykit-1/polkitd --no-debug
root 943 0.0 0.0 2860 1716 tty1 Ss+ 08:17 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
root 1324 0.0 0.2 13668 9120 ? Ss 08:25 0:00 sshd: kid [priv]
kid 1449 0.0 0.1 13676 5336 ? S 08:25 0:00 sshd: kid@pts/1
kid 1489 4.2 0.4 106132 16168 pts/0 Sl+ 08:28 0:09 ./pspy64
kid 1578 0.0 0.0 7844 3548 pts/1 R+ 08:31 0:00 ps -auxwww/usr/sbin/cron -f
/usr/lib/policykit-1/polkitd --no-debug
Cron & Systemd
kid@scriptkiddie:~$ crontab -l ; cat /etc/crontab ; systemctl list-timers
no crontab for kid
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to install the new version when you edit this file
# and files in /etc/cron.d. These files also have username fields,
# that none of the other crontabs do.
SHELL=/bin/sh
path=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
17 * * * * root cd / && run-parts --report /etc/cron.hourly
25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
#
NEXT LEFT LAST PASSED UNIT ACTIVATES >
fri 2023-03-31 08:56:07 UTC 22min left Wed 2021-02-03 08:58:57 UTC 2 years 1 months ago apt-daily-upgrade.timer apt-daily-upgr>
fri 2023-03-31 09:57:31 UTC 1h 24min left Thu 2021-01-28 12:35:29 UTC 2 years 2 months ago apt-daily.timer apt-daily.serv>
fri 2023-03-31 12:45:27 UTC 4h 12min left Wed 2021-02-03 09:19:08 UTC 2 years 1 months ago motd-news.timer motd-news.serv>
fri 2023-03-31 18:51:04 UTC 10h left Thu 2021-01-28 10:29:40 UTC 2 years 2 months ago fwupd-refresh.timer fwupd-refresh.>
sat 2023-04-01 00:00:00 UTC 15h left Fri 2023-03-31 08:17:50 UTC 15min ago logrotate.timer logrotate.serv>
sat 2023-04-01 00:00:00 UTC 15h left Fri 2023-03-31 08:17:50 UTC 15min ago man-db.timer man-db.service>
sat 2023-04-01 08:32:57 UTC 23h left Fri 2023-03-31 08:32:57 UTC 24s ago systemd-tmpfiles-clean.timer systemd-tmpfil>
sun 2023-04-02 03:10:17 UTC 1 day 18h left Fri 2023-03-31 08:18:20 UTC 15min ago e2scrub_all.timer e2scrub_all.se>
mon 2023-04-03 00:00:00 UTC 2 days left Fri 2023-03-31 08:17:50 UTC 15min ago fstrim.timer fstrim.service>
9 timers listed.
Pass --all to see loaded but inactive timers, too.
lines 1-13/13 (END)Sudo Version
kid@scriptkiddie:~$ sudo -V
Sudo version 1.8.31
Sudoers policy plugin version 1.8.31
Sudoers file grammar version 46
Sudoers I/O plugin version 1.8.31Glibc Version
kid@scriptkiddie:~$ ldd --version
ldd (Ubuntu GLIBC 2.31-0ubuntu9.2) 2.31
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.ldd (Ubuntu GLIBC 2.31-0ubuntu9.2) 2.31