root@app-01:~# echo 'pwned_val' | tr 'w' 'v' 2>/dev/null
pvned_val
root@app-01:~# cat /etc/shadow 2>&1 | head -1
root:$6$fakehash$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:20494:0:99999:7:::
root@app-01:~# whoami 2>/dev/null
root
root@app-01:~# ls -la / 2>/dev/null
d????-??-? 1 root root 12288 Jan 1 2024 bin
d????-??-? 1 root root 4096 Jan 1 2024 boot
d????-??-? 1 root root 4096 Jan 1 2024 dev
d????-??-? 1 root root 4096 Jan 1 2024 etc
d????-??-? 1 root root 4096 Jan 1 2024 home
d????-??-? 1 root root 4096 Jan 1 2024 lib
d????-??-? 1 root root 4096 Jan 1 2024 lib64
d????-??-? 1 root root 4096 Jan 1 2024 media
d????-??-? 1 root root 4096 Jan 1 2024 mnt
d????-??-? 1 root root 4096 Jan 1 2024 opt
d????-??-? 1 root root 4096 Jan 1 2024 proc
d????-??-? 1 root root 4096 Jan 1 2024 root
d????-??-? 1 root root 4096 Jan 1 2024 run
d????-??-? 1 root root 4096 Jan 1 2024 sbin
d????-??-? 1 root root 4096 Jan 1 2024 srv
d????-??-? 1 root root 4096 Jan 1 2024 sys
d????-??-? 1 root root 4096 Jan 1 2024 tmp
d????-??-? 1 root root 4096 Jan 1 2024 usr
d????-??-? 1 root root 4096 Jan 1 2024 var
root@app-01:~# netstat -tulpn 2>/dev/null || ss -tulpn 2>/dev/null | head -15
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp6 0 0 :::22 :::* LISTEN
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
tcp6 0 0 :::80 :::* LISTEN
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN
tcp6 0 0 :::443 :::* LISTEN
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN
tcp6 0 0 :::3306 :::* LISTEN
root@app-01:~# history 10 2>/dev/null || cat ~/.bash_history 2>/dev/null | tail -10
1 ls -la /var/www/
2 cat /etc/nginx/nginx.conf
3 systemctl status nginx
4 df -h
5 tail -f /var/log/nginx/access.log
6 ps aux | grep php
7 uptime
8 who
root@app-01:~# uptime 2>/dev/null
14:22:31 up 27 min, 1 user, load average: 0.08, 0.03, 0.01
root@app-01:~# env 2>/dev/null | head -15
?=0
HOME=/root
HOSTNAME=app-01
LANG=C.UTF-8
LC_ALL=C.UTF-8
LOGNAME=root
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PWD=/root
SHELL=/bin/bash
TERM=xterm-256color
USER=root
root@app-01:~# cat /proc/cpuinfo 2>/dev/null | head -25
cat: /proc/cpuinfo: No such file or directory
root@app-01:~# cat /proc/net/dev 2>/dev/null | head -10
cat: /proc/net/dev: No such file or directory