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Exercise 11

Phishing Detection

Phishing, by definition, is the act of defrauding an online user in order to obtain personal information by posing as a trustworthy institution or entity. Users usually have a hard time differentiating between legitimate and malicious sites because they are made to look exactly the same. Therefore, there is a need to create better tools to combat attackers.





In [2]:



    


import pandas as pd
import zipfile
with zipfile.ZipFile('../datasets/phishing.csv.zip', 'r') as z:
    f = z.open('phishing.csv')
    data = pd.read_csv(f, index_col=False)
data.head()



    


















    
Out[2]:










  
    

      
      url
      phishing
    

  
  
    

      0
      http://www.subalipack.com/contact/images/sampl...
      1
    

    

      1
      http://fasc.maximecapellot-gypsyjazz-ensemble....
      1
    

    

      2
      http://theotheragency.com/confirmer/confirmer-...
      1
    

    

      3
      http://aaalandscaping.com/components/com_smart...
      1
    

    

      4
      http://paypal.com.confirm-key-21107316126168.s...
      1
    

  




















In [3]:



    


data.phishing.value_counts()



    


















    
Out[3]:








1    20000
0    20000
Name: phishing, dtype: int64

















In [4]:



    


data.url[data.phishing==1].sample(50, random_state=1).tolist()



    


















    
Out[4]:








['http://dothan.com.co/gold/austspark/index.htm\n',
 'http://78.142.63.63/%7Enetsysco/process/fc1d9c7ea4773b7ff90925c2902cb5f2\n',
 'http://verify95.5gbfree.com/coverme2010/\n',
 'http://www.racom.com/uploads/productscat/bookmark/ii.php?.rand=13vqcr8bp0gud&cbcxt=mai&email=abuse@tradinghouse.ca\n',
 'http://www.cleanenergytci.com/components/update.logon.l3an7lofamerica/2342343234532534546347677898765432876543345687656543876/\n',
 'http://209.148.89.163/-/santander.co.uk/weblegn/AccountLogin.php\n',
 'http://senevi.com/confirmation/\n',
 'http://www.hellenkeller.cl/tmp/new/noticias/Modulo_de_Atualizacao_Bradesco/index2.php?id=PSO1AM04L3Q6PSBNVJ82QUCO0L5GBSY2KM2U9BYUEO14HCRDVZEMTRB3DGJO9HPT4ROC4M8HA8LRJD5FCJ27AD0NTSC3A3VDUJQX6XFG519OED4RW6Y8J8VC19EAAAO5UF21CHGHIP7W4AO1GM8ZU4BUBQ6L2UQVARVM\n',
 'http://internet-sicherheit.co/de/konflikt/src%3Dde/AZ00276ZZ75/we%3Dhs_0_2/sicherheit/konto_verifizieren/verifizierung.php\n',
 'http://alen.co/docs/cleaner\n',
 'http://rattanhouse.co/Atualizacao_Bradesco/cadastro2013.php?2MAS2XACUJPI3U8D9ZDDG2G9YJICVABQ3K73KWDKYK0NA0AWWWCOUEDUJRXHRKPNMUYLDV89RA6OCG2MQUS0TAUXX9IOGJUEIXPDS5B0RM18OF1H860UAMJOY6ICUR81VSEKKJFPBYNLYGUXBGJ1HEHKOMLTM01P658M\n',
 'http://steamcommunily.co/p.php?login=true\n',
 'http://www.nyyg.com/Bradesco/5W9SQ394.html\n',
 'http://wp.tipografiacentral.com.co/sparkde/index.html\n',
 'http://www.entrerev.com/component/.secure.wpa/.www.paypal.com.returnUrl=/cgi-bin/5RF3S6y0K349/PayPal.co.uk/dispute_centre/sotmks/npsw&st.payment.decline.centre/ipoi/secure-codes.paypal.account4738154login.complete-infrmations.login.accountSecure26/securities/\n',
 'http://x.co/SecurCent\n',
 'http://dejatequerer.co/united.com/index.html\n',
 'http://www.speakeasymovies.com/components/com_wrapper/.amazon.co.uk/\n',
 'http://www.culturaespanola.com.br/bt/www.paypal.com/paypal.com.com/index-new.php\n',
 'http://www.agroassistance.com/components/com_content/c05354aa285b6a932a57086ba13762a1/\n',
 'http://www.estranetsrl.com.ar/bbvacambios.html\n',
 'http://osfsw.cba.pl/content/classic/html/ibpf/bradesco/?UOREEIYGQTERIRVSJTUHMVMZJWWYSVNYQOFSPWVFTEJEEKMJWHFERRYTFRWPSYYWGFIGJUPLZMZLTNSKOGMQQSHSXPLMXILVSM\n',
 'http://bitcrush.co/~geetha5/natwest/natwest/ibcarregister-natwst.html\n',
 'http://cannot-hide-from-PhishTank.zenith-services.com/controllare/auth/\n',
 'http://nova.pymesonline.co/fr.php\n',
 'http://comococino.com/wp-content/uploads/2013/01/paypal.com/us/cgi-bin/webscr.htm?\n',
 'http://www.fundacionchwinqlal.com.gt/imgs/Notas/img/_New/Agencias_Bradesco/Public_201133.php?KSR6YOU359CY1USIRMSBI8CFJF7TVREFJ6KIUFKZNXXNRP7JBYVU79APNGJI8YYR5I0YXUXLRU0JKF4WEYQL81BUGVDOTBFXUPVSKSEBNNU84X4IWT54UFYABCY5OE3J5XBOQQ1EDVMHTPZPJ4TEJSOU5NZS32B8ZNWQ\n',
 'http://flightripe.com/confirmation/update/billing/9a523c6017caa3406af9d5c2c0cb1854/\n',
 'http://accademiazerootto.it/templates/zerootto-new/html/com_content/category/bompreco.php\n',
 'http://santanderseguranca.zapto.org/Clientesx/\n',
 'http://www.muttico.com/components/com_media/p3rs0na4l/53f8b14c76c890e1806b8f9d97f12f80/\n',
 'http://us.fxlhtvf.ml/login/en/login.html.asp?refhttp:%2F%2Futddirect.com%2Fcomponents%2Fcom_content%2Fviews%2Fcategories%2Fmenu.html\n',
 'http://conferencistainternacional.com.co/urruirrhyttjk/Index.htm\n',
 'http://www.creativesovereign.com/components/com_newsfeeds/views/.../perfil/\n',
 'http://villamarina.com.co/administrator/servers/BankofAmerica/security-update/SecMeasure/account-overview.cgi/presentation/jskeys/sas/signonScreen.do/\n',
 'http://www.vipturismolondres.com/com.br/?atendimento=Cliente&/LgSgkszm64/B8aNzHa8Aj.php\n',
 'http://www.enoxia.fr/components/com_content/tamfidelidade01.php\n',
 'http://gobbva.com/bb/empresa/index.php?tarjeta=\n',
 'http://paypal-com-confim.sharmikelectric.com/s4575234bf5055889415\n',
 'http://paypal.com.au.au.webapps.mpp.homes.konyadosemeciler.com/confirm/login.australia/au/webapps/mpp/home/initthi.php?cmd=SignIn&co_partnerId=2&pUserId=&siteid=0&pageType=&pa1=&i1=&bshowgif=&UsingSSL=&ru=&pp=&pa2=&errmsg=&runame=%5C%5C%5C%5C\n',
 'http://www.bbvabancocontinental.ya.st\n',
 'http://www.giannielectric.com/company/components/com_poll/assets/a/a5643cded2383f7568719482a943e1a5\n',
 'http://cooperativasanjose.com.co/plugins/josetta_ext/k2category/section/first.php\n',
 'http://appleid-apple-com-confirm-oyns-uattw6w61x3oka3pq.scientificcollectables.com/3c43e3d92e0b8a48f09f5fbb25d008a9/index1.php?cmd=https://connect.paypal.com/WebObjects/iTunesConnect.woa?login-processing=t&login_access=13409884065d3a174c294a9bf21bf71c23a3\n',
 'http://consultoriojuridico.co/pp/www.paypal.com/\n',
 'http://lovetodo.in.th/administrator/components/com_content/models/key/\n',
 'http://lnk.co/io6u45y45?erydh?mario.Carelli@poste.it\n',
 'http://www2.bancobbvacontnental.com/Centroll/informe/03/14/datitarlz/WUJFQ0VSUkFATVVOSVpMQVcuQ09N\n',
 'http://lfcintl.com/components/com_user/zzxc/bpd.com.do/app/do/personas/289302294350311363178310441412402464323394411438376403437407/banco.popular.php?Personal\n',
 'http://procuraduria.videoteca.com.co/update/apple.com/.cgi-bin/WebObjects/MyAppleIdwoa/wa/sign_in.html?appId=4129.returnURL=DaHR0cDovL3N0b3JlLmFwcGxlLmNvbS91c3wxYW9zZmU4OGZjNWIyNThhYWVhOTM5MzVjZjI2NTk1OGE3MWUwY2Y0MmI2OA%26r%3DSDHCD9JUYKX777H9KT\n']

















In [5]:



    


keywords = ['https', 'login', '.php', '.html', '@', 'sign']
for keyword in keywords:
    data['keyword_' + keyword] = data.url.str.contains(keyword).astype(int)



    











In [6]:



    


data['lenght'] = data.url.str.len() - 2
domain = data.url.str.split('/', expand=True).iloc[:, 2]
data['lenght_domain'] = domain.str.len()
domain.head(12)



    


















    
Out[6]:








0                                    www.subalipack.com
1             fasc.maximecapellot-gypsyjazz-ensemble.nl
2                                    theotheragency.com
3                                    aaalandscaping.com
4     paypal.com.confirm-key-21107316126168.securepp...
5                              lcthomasdeiriarte.edu.co
6                                       livetoshare.org
7                                            www.i-m.co
8                                     manuelfernando.co
9                                www.bladesmithnews.com
10                                      www.rasbaek.com
11                                      199.231.190.160
Name: 2, dtype: object

















In [7]:



    


data['isIP'] = (domain.str.replace('.', '') * 1).str.isnumeric().astype(int)
data['count_com'] = data.url.str.count('com')
data.sample(15, random_state=4)



    


















    
Out[7]:










  
    

      
      url
      phishing
      keyword_https
      keyword_login
      keyword_.php
      keyword_.html
      keyword_@
      keyword_sign
      lenght
      lenght_domain
      isIP
      count_com
    

  
  
    

      28607
      http://pennstatehershey.org/web/ibd/home/event...
      0
      0
      0
      0
      0
      0
      0
      80
      20
      0
      0
    

    

      3689
      http://guiadesanborja.com/multiprinter/muestra...
      1
      0
      1
      1
      0
      0
      0
      81
      18
      0
      1
    

    

      6405
      http://paranaibaweb.com/faleconosco/accounting...
      1
      0
      0
      0
      1
      0
      0
      65
      16
      0
      1
    

    

      35355
      http://courts.delaware.gov/Jury%20Services/Hel...
      0
      0
      0
      0
      0
      0
      0
      94
      19
      0
      0
    

    

      16520
      http://erpa.co/tmp/getproductrequest.htm\n
      1
      0
      0
      0
      0
      0
      0
      39
      7
      0
      0
    

    

      16196
      http://pulapulapipoca.com/components/com_media...
      1
      0
      1
      1
      0
      0
      0
      239
      18
      0
      4
    

    

      3810
      http://www.dag.or.kr/zboard/icon/visa/img/Atua...
      1
      0
      0
      0
      0
      0
      0
      62
      13
      0
      0
    

    

      3005
      http://www.amazingdressup.com/wp-content/theme...
      1
      0
      0
      0
      1
      0
      0
      94
      22
      0
      1
    

    

      9003
      http://web.indosuksesfutures.com/content_file/...
      1
      0
      0
      0
      0
      0
      0
      80
      25
      0
      1
    

    

      34704
      http://www.nutritionaltree.com/subcat.aspx?cid...
      0
      0
      0
      0
      0
      0
      0
      69
      23
      0
      1
    

    

      12561
      http://www.formation-continue-loiret.fr/compon...
      1
      0
      0
      0
      0
      0
      0
      122
      32
      0
      5
    

    

      10885
      http://191.91.128.205/httpss/bancolombiaa.olb....
      1
      1
      0
      1
      1
      0
      0
      451
      14
      1
      2
    

    

      2633
      http://www.sternies-hp.de/components/com_conte...
      1
      0
      0
      0
      0
      0
      0
      85
      18
      0
      2
    

    

      22253
      http://www.silive.com/northshore/index.ssf/200...
      0
      0
      0
      0
      1
      0
      0
      85
      14
      0
      1
    

    

      4720
      http://www.dineo.co.za/components/com_content/...
      1
      0
      0
      1
      0
      0
      0
      172
      15
      0
      3
    

  




















In [8]:



    


X = data.drop(['url', 'phishing'], axis=1)



    











In [9]:



    


y = data.phishing

Exercice 11.1

Create 5 more features





In [ ]:

Exercice 11.2

  • Standarized the features
  • Create a Linear SVM




In [ ]:

Exercice 11.3

Test the two SVM's using the different kernels (‘poly’, ‘rbf’, ‘sigmoid’)





In [ ]:

Exercice 11.4

Using the best SVM find the parameters that gives the best performance

'C': [0.1, 1, 10, 100, 1000], 'gamma': [0.01, 0.001, 0.0001]





In [ ]:

Exercice 11.5

Compare the results with other methods





In [ ]:

Content source: albahnsen/ML_SecurityInformatics

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