System/Kernel
www-data@cronos:/var/www/admin$ file /bin/bash ; uname -a ; cat /etc/*release
/bin/bash: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=0428e4834e687e231fa865562d32fbb64ce45577, stripped
linux cronos 4.4.0-72-generic #93-ubuntu smp fri mar 31 14:07:41 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS"
NAME="Ubuntu"
VERSION="16.04.2 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.2 LTS"
VERSION_ID="16.04"
home_url="http://www.ubuntu.com/"
support_url="http://help.ubuntu.com/"
bug_report_url="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
cronos 4.4.0-72-generic
Ubuntu 16.04.2 LTS (Xenial Xerus)
x86-64
Networks
www-data@cronos:/var/www/admin$ 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 0 127.0.0.1:3306 0.0.0.0:* LISTEN -
tcp 0 0 10.10.10.13:53 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN -
tcp 0 297 10.10.10.13:58948 10.10.14.7:9999 ESTABLISHED 3476/nc
udp 0 0 10.10.10.13:59814 10.10.10.2:53 ESTABLISHED -
udp 0 0 10.10.10.13:40413 8.8.8.8:53 ESTABLISHED -
udp 0 0 10.10.10.13:53 0.0.0.0:* -
udp 0 0 127.0.0.1:53 0.0.0.0:* -
127.0.0.1:3306
127.0.0.1:953
Users & Groups
www-data@cronos:/var/www/admin$ cat /etc/passwd ; ls -lasht /home
root: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:/bin/bash
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-timesync:x:100:102:systemd Time Synchronization,,,:/run/systemd:/bin/false
systemd-network:x:101:103:systemd Network Management,,,:/run/systemd/netif:/bin/false
systemd-resolve:x:102:104:systemd Resolver,,,:/run/systemd/resolve:/bin/false
systemd-bus-proxy:x:103:105:systemd Bus Proxy,,,:/run/systemd:/bin/false
syslog:x:104:108::/home/syslog:/bin/false
_apt:x:105:65534::/nonexistent:/bin/false
lxd:x:106:65534::/var/lib/lxd/:/bin/false
mysql:x:107:111:MySQL Server,,,:/nonexistent:/bin/false
messagebus:x:108:112::/var/run/dbus:/bin/false
uuidd:x:109:113::/run/uuidd:/bin/false
dnsmasq:x:110:65534:dnsmasq,,,:/var/lib/misc:/bin/false
sshd:x:111:65534::/var/run/sshd:/usr/sbin/nologin
noulis:x:1000:1000:Noulis Panoulis,,,:/home/noulis:/bin/bash
bind:x:112:119::/var/cache/bind:/bin/false
total 12K
4.0k drwxr-xr-x 4 noulis noulis 4.0k may 10 14:51 noulis
4.0k drwxr-xr-x 3 root root 4.0k may 10 14:51 .
4.0k drwxr-xr-x 23 root root 4.0k may 10 14:51 ..
noulis
SUIDs
www-data@cronos:/var/www/admin$ find / -perm -04000 -ls -type f 2>/dev/null
34568 44 -rwsr-xr-x 1 root root 44168 May 7 2014 /bin/ping
34603 28 -rwsr-xr-x 1 root root 27608 Dec 16 2016 /bin/umount
34554 40 -rwsr-xr-x 1 root root 40152 Dec 16 2016 /bin/mount
36064 32 -rwsr-xr-x 1 root root 30800 Jul 12 2016 /bin/fusermount
34585 40 -rwsr-xr-x 1 root root 40128 Mar 29 2016 /bin/su
36067 140 -rwsr-xr-x 1 root root 142032 Jan 28 2017 /bin/ntfs-3g
34569 44 -rwsr-xr-x 1 root root 44680 May 7 2014 /bin/ping6
70654 40 -rwsr-xr-x 1 root root 38984 Mar 7 2017 /usr/lib/x86_64-linux-gnu/lxc/lxc-user-nic
109729 56 -rwsr-xr-x 1 root root 56456 Feb 24 2017 /usr/lib/snapd/snap-confine
81785 12 -rwsr-xr-x 1 root root 10232 Mar 27 2017 /usr/lib/eject/dmcrypt-get-device
111672 16 -rwsr-xr-x 1 root root 14864 Jan 18 2016 /usr/lib/policykit-1/polkit-agent-helper-1
81932 420 -rwsr-xr-x 1 root root 428240 Aug 11 2016 /usr/lib/openssh/ssh-keysign
81022 44 -rwsr-xr-- 1 root messagebus 42992 Jan 12 2017 /usr/lib/dbus-1.0/dbus-daemon-launch-helper
70566 40 -rwsr-xr-x 1 root root 40432 Mar 29 2016 /usr/bin/chsh
81609 36 -rwsr-xr-x 1 root root 32944 Mar 29 2016 /usr/bin/newuidmap
70786 136 -rwsr-xr-x 1 root root 136808 Jan 20 2017 /usr/bin/sudo
70564 52 -rwsr-xr-x 1 root root 49584 Mar 29 2016 /usr/bin/chfn
70691 40 -rwsr-xr-x 1 root root 39904 Mar 29 2016 /usr/bin/newgrp
82193 52 -rwsr-sr-x 1 daemon daemon 51464 Jan 15 2016 /usr/bin/at
82520 24 -rwsr-xr-x 1 root root 23376 Jan 18 2016 /usr/bin/pkexec
81608 36 -rwsr-xr-x 1 root root 32944 Mar 29 2016 /usr/bin/newgidmap
70627 76 -rwsr-xr-x 1 root root 75304 Mar 29 2016 /usr/bin/gpasswd
70702 56 -rwsr-xr-x 1 root root 54256 Mar 29 2016 /usr/bin/passwd
SGIDs
www-data@cronos:/var/www/admin$ find / -perm -02000 -ls -type f 2>/dev/null
328 0 drwxr-sr-x 3 root systemd-journal 60 oct 16 15:50 /run/log/journal
329 0 drwxr-s--- 2 root systemd-journal 120 oct 16 17:31 /run/log/journal/11d6455b090fd0fdc73300a358d2be77
70530 36 -rwxr-sr-x 1 root shadow 35600 Mar 16 2016 /sbin/unix_chkpwd
70494 36 -rwxr-sr-x 1 root shadow 35632 Mar 16 2016 /sbin/pam_extrausers_chkpwd
12988 4 drwxrwsr-x 2 root mail 4096 may 10 14:51 /var/mail
12972 4 drwxrwsr-x 2 root staff 4096 may 10 14:51 /var/local
18148 4 drwxr-sr-x 2 man root 4096 may 10 14:51 /var/cache/man
70387 4 drwxr-sr-x 3 root bind 4096 jun 17 13:35 /etc/bind
70413 4 drwxr-sr-x 2 root bind 4096 may 10 14:51 /etc/bind/zones
110305 12 -rwxr-sr-x 1 root utmp 10232 Mar 11 2016 /usr/lib/x86_64-linux-gnu/utempter/utempter
[...]
82217 428 -rwxr-sr-x 1 root utmp 434216 Feb 7 2016 /usr/bin/screen
81924 352 -rwxr-sr-x 1 root ssh 358624 Aug 11 2016 /usr/bin/ssh-agent
81915 40 -rwxr-sr-x 1 root mlocate 39520 Nov 18 2014 /usr/bin/mlocate
70561 64 -rwxr-sr-x 1 root shadow 62336 Mar 29 2016 /usr/bin/chage
70575 36 -rwxr-sr-x 1 root crontab 36080 Apr 6 2016 /usr/bin/crontab
82193 52 -rwsr-sr-x 1 daemon daemon 51464 Jan 15 2016 /usr/bin/at
70839 28 -rwxr-sr-x 1 root tty 27368 Dec 16 2016 /usr/bin/wall
81197 16 -rwxr-sr-x 1 root tty 14752 Mar 1 2016 /usr/bin/bsd-write
70612 24 -rwxr-sr-x 1 root shadow 22768 Mar 29 2016 /usr/bin/expiry
Cron & Systemd
www-data@cronos:/var/www/admin$ crontab -l ; cat /etc/crontab ; systemctl list-timers --all
no crontab for www-data
# /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
# m h dom mon dow user command
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 )
* * * * * root php /var/www/laravel/artisan schedule:run >> /dev/null 2>&1
#
NEXT LEFT LAST PASSED
Mon 2023-01-16 21:13:38 EET 1h 21min left Mon 2023-01-16 18:31:40 EET 1h 20min
Tue 2023-01-17 13:31:02 EET 17h left Mon 2023-01-16 18:31:40 EET 1h 20min
Tue 2023-01-17 18:46:50 EET 22h left Mon 2023-01-16 18:46:50 EET 1h 5min
n/a n/a n/a n/a
4 timers listed.
* * * * * root php /var/www/laravel/artisan schedule:run >> /dev/null 2>&1
Processes
www-data@cronos:/var/www/admin$ ps -aux | grep -i 'root' --color=auto
root 1 0.0 0.5 37964 5232 ? ss 15:50 0:02 /sbin/init
[...]
root 474 0.0 0.3 28508 3176 ? ss 15:50 0:00 /lib/systemd/systemd-journald
[...]
root 514 0.0 0.1 102968 1220 ? ss 15:50 0:00 /sbin/lvmetad -f
[...]
root 530 0.0 0.3 44360 3356 ? ss 15:50 0:00 /lib/systemd/systemd-udevd
root 952 0.0 0.1 4400 1272 ? ss 15:50 0:00 /usr/sbin/acpid
root 955 0.0 0.4 275860 4216 ? ssl 15:50 0:00 /usr/lib/accountsservice/accounts-daemon
root 961 0.0 1.0 266532 11020 ? ssl 15:50 0:00 /usr/lib/snapd/snapd
root 963 0.0 0.6 192236 6432 ? ssl 15:50 0:09 /usr/bin/vmtoolsd
root 1025 0.0 0.2 29008 2416 ? ss 15:50 0:00 /usr/sbin/cron -f
root 1028 0.0 0.1 613404 1680 ? ssl 15:50 0:00 /usr/bin/lxcfs /var/lib/lxcfs/
root 1035 0.0 0.1 20100 1076 ? ss 15:50 0:00 /lib/systemd/systemd-logind
root 1067 0.0 0.4 277180 4180 ? ssl 15:50 0:00 /usr/lib/policykit-1/polkitd --no-debug
root 1084 0.0 0.0 13376 152 ? ss 15:50 0:00 /sbin/mdadm --monitor --pid-file /run/mdadm/monitor.pid --daemonise --scan --syslog
root 1209 0.0 0.5 65520 5160 ? ss 15:50 0:00 /usr/sbin/sshd -D
root 1231 0.0 0.0 5224 120 ? ss 15:50 0:00 /sbin/iscsid
root 1232 0.0 0.3 5724 3516 ? s<ls 15:50 0:01 /sbin/iscsid
root 1306 0.0 0.1 15940 1560 tty1 ss+ 15:50 0:00 /sbin/agetty --noclear tty1 linux
root 1345 0.0 2.0 325588 20536 ? ss 15:50 0:01 /usr/sbin/apache2 -k start
www-data 4416 0.0 0.0 11284 1008 pts/0 s+ 19:18 0:00 grep -i root --color=auto
/usr/lib/policykit-1/polkitd
Sudo Version
www-data@cronos:/var/www/admin$ sudsudo -V
Sudo version 1.8.16
Sudoers policy plugin version 1.8.16
Sudoers file grammar version 45
Sudoers I/O plugin version 1.8.16
Sudo version 1.8.16
Glibc Version
www-data@cronos:/var/www/admin$ ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu7) 2.23
Copyright (C) 2016 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 2.23-0ubuntu7) 2.23