Great Tools for Securing and Testing Your Network Ernest Staats erstaats@gcasda.org MS Information...

transcript

Great Tools for Securing and Testing Your Network

Ernest Staats erstaats@gcasda.org MS Information Assurance, CISSP, MCSE, CNA, CWNA, CCNA,

Security+, I-Net+, Network+, Server+, A+

Resources available @ http://www.es-es.net

Outline• Silver Bullet Most

Used Tools• CD/USB Security• Perimeter Security• Vulnerability

Assessment • Password Recovery • Networking

Scanning• Data Rescue and

Restoration

• Application and Data Base Tools

• Encryption Software• Wireless Tools• Virtual Machines• New USB Exploits • Digital Forensic Tools• Backup Software• Tools that Cost but

Have Great Value

No Silver Bullet

• No Silver Bullet for network and system testing:– Determine your needs – Finding the right tools

– Using the right tool for the job

My Most Used Tools:• Google (Get Google Hacking book)

– The Google Hacking Database (GHDB)• http://johnny.ihackstuff.com/modules.php?op=modload&name=Downloads&file=index

• SuperScan 4 – Network Scanner find open ports (I prefer version 3)

• http://www.foundstone.com/index.htm?subnav=resources/navigation.htm&subcontent=/resources/proddesc/superscan.htm

• Cain and Abel – (the Swiss Army knife) Crack passwords crack VOIP and so much more

• http://www.oxid.it/cain.html

• NMap – (Scanning and Foot printing)

• http://insecure.org/nmap/download.html

• Nessus – (Great system wide Vulnerability scanner)

• http://www.nessus.org/download/

Cain and Abel Local Passwords

Nessus Summary Tenable Nessus Security Report

Start Time: Sun Nov 05 13:46:11 2006 Finish Time: Sun Nov 05 14:16:16 2006 192.168.22.0/255.255.255.0

192.168.22.1 2 Open Ports, 6 Notes, 1 Warnings, 1 Holes.

My Most Used Tools 2:• Ethereal or Wireshark

– (packet sniffers Use to find passwords going across network)• SSL Passwords are often sent in clear text before logging on

– http://www.wireshark.org/download.html » http://www.ethereal.com/download.html

• Metasploit – (Hacking made very easy)

• http://www.metasploit.com/

• BackTrack or UBCD4WIN Boot CD – (Cleaning infected PC’s or ultimate hacking environment will run from USB)

• http://www.remote-exploit.org/index.php/BackTrack_Downloads – http://www.ubcd4win.com/downloads.htm

• Read notify – (“registered” email)

• http://www.readnotify.com/

• Virtual Machine for pen testing – (Leaves “no” trace)

Security Testing Boot CD/USB:

• Bart PE or UBCD4WIN– http://www.bartpe.com– http://www.ubcd4win.com

• Back Track (one of the more powerful cracking network auditing packages)

– http://www.remoteexploit.org • Other Linux CD

– Trinity Rescue Kit (recover/repair dead Windows or Linux systems)

• http://trinityhome.org/Home/index.php?wpid=28&front_id=12

– KNOPPIX (recover/repair dead systems and several security tools)

• http://www.knoppix.net/

Demo of UBCD/BackTrack

BackTrack

Secure Your Perimeter:

• DNS-stuff and DNS-reports• http://www.dnsstuff.com http://www.dnsreports.com

– Are you blacklisted?– Test your e-mail system– Check your HTML code for errors –

• (Also use WIN HTTrack for offline testing)

• Shields UP and Leak test– https://www.grc.com/x/ne.dll?rh1dkyd2 – http://grc.com/default.htm

• Other Firewall checkers– www.firewallcheck.com

Tools to Assess Vulnerability

• Nessus(vulnerability scanners) – http://www.nessus.org

• Snort (IDS - intrusion detection system) – http://www.snort.org

• Metasploit Framework (vulnerability exploitation tools) Use with great caution and have permission– http://www.metasploit.com/projects/Frame

Password Recovery Tools:• Fgdump (Mass password auditing for Windows)

– http://foofus.net/fizzgig/fgdump • Cain and Abel (password cracker and so much

more….) – http://www.oxid.it/cain.htnl

• John The Ripper (password crackers)– http://www.openwall.org/john/

• RainbowCrack : An Innovative Password Hash Cracker tool that makes use of a large-scale time-memory trade-off.– http://www.rainbowcrack.com/downloads/?PHPSESSI

D=776fc0bb788953e190cf415e60c781a5

Change/Discover Win Passwords• Windows Password recovery - Can retrieve

forgotten admin and users' passwords in minutes. Safest possible option, does not write anything to hard drive.

• Offline NT Password & Registry Editor - A great boot CD/Floppy that can reset the local administrator's password.

• John the Ripper - Good boot floppy with cracking capabilities.

• Emergency Boot CD - Bootable CD, intended for system recovery in the case of software or hardware faults.

• Austrumi - Bootable CD for recovering passwords and other cool tools.

Networking Scanning• MS Baseline Analyzer

– http://www.microsoft.com/downloads/details.aspx?FamilyId=4B4ABA06-B5F9-4DAD-BE9D-7B51EC2E5AC9&displaylang=en

• The Dude (Great mapper and traffic analyzer)

– http://www.mikrotik.com/thedude.php • Getif (Network SNMP discovery and exploit tool)

– http://www.wtcs.org/snmp4tpc/getif.htm

• SoftPerfect Network Scanner– http://www.softperfect.com/

• HPing2 (Packet assembler/analyzer) – http://www.hping.org

• Netcat (TCP/IP Swiss Army Knife) – http://netcat.sourceforge.net

• TCPDump (packet sniffers) Linux or Windump for windows

– http://www.tcpdump.org and http://www.winpcap.org/windump/

• LanSpy (local, Domain, NetBios, and much more)– http://www.lantricks.com/

File Rescue and Restoration:

• Zero Assumption Digital Image rescue• http://www.z-a-recovery.com/digital-image-recovery.

• Restoration File recovery – http://www.snapfiles.com/get/restoration.html

• Free undelete– http://www.pc-facile.com/download/recupero_eliminazione_

dati/drive_rescue/

• Effective File Search : Find data inside of files or data bases– http://www.sowsoft.com/search.htm

Discover & Securely Delete Important Information:• Windows and Office Key finder/Encrypting

– Win KeyFinder (also encrypts the keys)• http://www.winkeyfinder.tk/

– ProduKey (also finds SQL server key)• http://www.nirsoft.net

• Secure Delete software– Secure Delete

• http://www.objmedia.demon.co.uk/freeSoftware/secureDelete.html • DUMPSEC — (Dump all of the registry and share permissions)

– http://www.somarsoft.com/ • Win Finger Print (Scans for Windows shares, enumerates

usernames, groups, sids and much more ) – http://winfingerprint.sourceforge.net

Application and Data Base Tools• N-Stealth – an effective HTTP Security Scanner

– https://secure.nstalker.com/

• WINHTTrack – Website copier• http://www.httrack.com/page/2/en/index.html

• SQLRecon (SQLRecon performs both active and passive scans of your network in order to identify all of the SQL Server/MSDE installations)– http://www.sqlsecurity.com/Tools/FreeTools/tabid/

65/Default.aspx

• Absinthe (Tool that automates the process of downloading the schema & contents of a database that is vulnerable to Blind SQL Injection.)– http://www.0x90.org/releases/absinthe/index.php

AppDetective • AppDetective discovers database applications and

assesses their security strength • AppDetective assess two primary application tiers -

application / middleware, and back-end databases - through a single interface

• AppDetective locates, examines, reports, and fixes security holes and misconfigurations

• www.appsecinc.com/products/appdetective/mssql

• Cost $900

Encryption Software:

• Hard drive or Jump Drives– True Crypt for cross platform encryption with lots of options

• http://www.truecrypt.org/downloads.php

– Dekart its free version is very simple to use paid version has more options

• http://www.dekart.com/free_download/ – http://www.dekart.com/

• Email or messaging– PGP for encrypting email

• http://www.pgp.com/downloads/index.html

Wireless Tools:• Aircrack : The fastest available WEP/WPA cracking

toolAircrack is a suite of tools for 802.11a/b/g WEP and WPA cracking. It can recover a 40 through 512-bit WEP or WPA 1 or 2– The suite includes

• airodump (an 802.11 packet capture program)• aireplay (an 802.11 packet injection program)• aircrack (static WEP and WPA-PSK cracking)• airdecap (decrypts WEP/WPA capture files)

– http://www.aircrack-ng.org/doku.php#download

• Net Stumbler (finds wireless networks works well)– http://wwww.netsumbler.com

• Kismet (wireless tools or packet sniffers) – http://wwww.kismetwireless.net

Virtual Machines• Xen for Linux

– http://www.xensource.com/download/ • VM server or VM workstation for booting Part

Pe ISO’s or Remote Exploit – http://www.vmware.com/products/server/

• MS Virtual Server (slower but very easy to use)– http://www.microsoft.com/windowsserversystem/v

irtualserver/software/privacy.mspx

• VM’s can be used to run auditing applications that typically would require a dedicated server

Network Toolbox U3• Analyzers• Network monitors• Traffic Generators• Network Scanners• IDS• Network Utilities • Network Clients• Secure Clients• SNMP• Web• Auditing Tools• Password revealers• System Tools• Supplementary tools (Dos prompt, Unix shell, etc..)

– http://www.cacetech.com/products/toolkit.htm

USB Switchblade• Access all stored passwords on a windows computer

– [System info] [Dump SAM] [Dump Product Keys] [Dump LSA secrets (IE PWs)] [Dump Network PW] [Dump messenger PW] [Dump URL History]

• Available at http://www.hak5.org/wiki/USB_Switchblade• Plug U3 Drive in any windows XP/2000/2003 computer• Wait about 1 minute• Eject Drive• Go to run on the start menu, then type x:\Documents\

logfiles (x = flash drive letter) then press enter• Look at username and passwords or start cracking

hashed windows passwords

Digital Forensic Tools• The Sleuth Kit and Autopsy Browser. Both

are open source digital investigation tools (digital forensic tools)– http://www.sleuthkit.org/

• Boot CD – UBCD4WIN

• http://www.ubcd4win.com – BACKTRACK

• http://www.remoteexploit.org

Backup Software• SyncBack

– http://www.snapfiles.com/get/SyncBack.html – Secure: Encrypt a zip file with a 256-bit AES

encryption– Copy Open Files (XP/2003)– Compression: You can compress an

unlimited size, and an unlimited number of files. (Paid)

– Performance & Throttling limit bandwidth usage, (Paid)

– FTP and Email :Backup or sync files with an FTP server. Auto email the results of your backup

– Overview PPT on my web site• http://www.es-es.net/

Tools That Cost But Have Great Value:

• Spy Dynamics Web Inspect• QualysGuard• EtherPeek• Netscan tools Pro (250.00 full network forensic reporting

and incident handling) • LanGuard Network Scanner• AppDetective (Data base scanner and security testing

software)• Air Magnet (one of the best WIFI analyzers and rouge

blocking) • RFprotect Mobile • Core Impact (complete vulnerability scanning and

reporting) • WinHex– (Complete file inspection and recovery

even if corrupt ) Forensics and data recovery

Q&A • Resources are available at

– Files and suggestions • http://www.es-es.net/9.html

– Security and Information Assurance Links• http://www.es-es.net/6.html

– PPT for this and VM Security • http://www.es-es.net/3.html

• Best Step by Step Security Videos Free– http://www.irongeek.com

• Shameless plug – Virtual Server Security Presentation– Thursday 9:30AM Location: Salon 7