Re: Pen Testing for investigators

From: Security Professional (redteamer@gmail.com)
Date: Tue Sep 20 2005 - 08:31:56 EDT


Ish, I changed the subject in my response because to be honest, I don'tthink investigators, law enforcement officers, and the like need tofocus as much on pen testing, as they do with forensic analysis(hardware and network), Intrusion analysis, law, etc. Traditionally, pen testing is left to a whole other group. Thatbeing said, it is still somewhat understandable that you would stillwant to provide an overview of pen testing to broaden horizons. So, here is my opinion on a few courses and classes (most of whichI have taken and recommend): 1) Intrusion Detection Training and Packet Analysis - This to me isone of the most important pieces of training if you are in the fieldof incident handling or intrusion detection. To me, there is oneclass which stands up above the rest and that is the SANS Track 3course. Now, opinions aside on what they have done recently with thecertification (GCIA) requirements, this class is one of the mostintense courses I have gone through. The amount of packet levela
nalysis and IDS analysis that you do will make your head hurt. Ihighly recommend this class to everyone I meet. 2) Forensic Analysis (Hardware) - Since we are mostly an Encase shop,I can only speak about Encase training. I do know that SANS alsooffers a Forensics course (I think it is Track 8), but I have not beenso I cannot speak on that one. That being said, I would go towhatever vendor you decide to use for software, and ask them fortraining. This is probably your best best for understanding thesoftware that your guys will be using in the field. Sorry, not a lotof help here on this one. 3) Malcode analysis - I don't know if you guys will be getting intothis, but if you are, there are two options I would suggest here. Oneis a SANS certification called GREM (http://www.giac.org/certifications/security/grem.php). A few of mycolleagues have gotten this certification and it seems to have helpedthem a great deal. Also, if you are looking for a cheaper alternativeto this, you can do what many of us have
done and train yourself. Quite honestly, the best way I feel to learn how different malcodeworks / operates is to play with it yourself. Get yourself a copy ofregmon, filemon, Tripwire, etc., and set up a little test LAN with arouter and simulate a normal network environment. Run the code,analyze the packets, look at what registry settings are changed, seewhat files are created, changed, or accessed, and you will be well onyour way. Please keep in mind that this is a very technicallyoriented job duty and is not for the everyday Joe just wanting todabble. 4) Pen Testing - This is what your original question was asking for,but as I stated earlier, I don't know if you really understand whatyou were asking (please take no offense...this is just my opinion). Pen Testing and classes that supposedly teach it have become all therage lately and quite frankly, I have yet to see a class that trulyteaches someone how to be a Pen Tester. That being said, there are afew courses out there that will allow your guys to g
et their feet wetand get a base knowledge if that is what you are looking for. Thebest Intro course I have attended to date was the CEH class (CertifiedEthical Hacker). This class does not delve deep into the advancedtechniques, but does provide a broad sweep and understanding into howa Pen Test is performed and the every day tools used in the process. Also, I recently attended NSA's IAM and IEM courses which in myopinion, give a nice overall view on a methodology to use when doingan evaluation. Also, ISECOM offers two classes based on the OSTMMthat teach a somewhat different methodology. Again, please keep in mind that it is somewhat not the norm when youuse the words Law Enforcement Officer, Forensics Analyst, and PenTester in the same sentence. These are usually three, at the leasttwo, completely separate job functions that are performed within anorganization. I have yet to stumble across an employer who wantstheir badge waivers to also be Pen Testers, Intrusion Analysts, andForensics Analysts at the
 same time (at least in the Govt. side ofthings). I hope this helps you out a bit. Everyone has their own opinions onall these courses and subject matter, so please take this as anOPINION and nothing more. In no way am I saying that this is the pathyou should follow. Take care. - Brian Bartholomew



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