7MS #364: Tales of External Pentest Pwnage

7MS #364: Tales of External Pentest Pwnage

This episode of the 7 Minute Security Podcast is brought to you by Authentic8, creators of Silo. Silo allows its users to conduct online investigations to collect information off the web securely and anonymously. For more information, check out Authentic8.

This episode features cool things I'm learning about external pentesting. But first, some updates:

  • My talk at Secure360 went really well. Only slightly #awkward thing is I felt an overwhelming need to change my title slide to talk about the fact that I don't drink.

  • The 7MS User Group went well. We'll resume in the late summer or early fall and do a session on lockpicking!

  • Wednesday night my band had the honor of singing at a Minnesota LEMA service and wow, what an honor. To see the sea of officers and their supportive families and loved ones was incredibly powerful.

On the external pentest front, here are some items we cover in today's show:

  • MailSniper's Invoke-DomainHarvestOWA helps you discover the FQDN of your mail server target. Invoke-UsernameHarvestOWA helps you figure out what username scheme your target is using. Invoke-PasswordSprayOWA helps you do a low and slow password spray to hopefully find some creds!

  • Once inside the network, CrackMapExec is your friend. You can figure out where your compromised creds are valid across the network with this syntax:

crackmapexec smb 192.168.0.0/24 -u USER -p ‘PASSWORD’ -d YOURDOMAIN

You can also find what shares you have access to with:

crackmapexec smb 192.168.0.0/24 -u USER -p ‘PASSWORD’ -d YOURDOMAIN --shares

Sift through those shares! They often have VERY delicious bits of information in them :-)

Episoder(687)

7MS #150: OFF-TOPIC-Bone Tomahawk / Goodnight Mommy / Comedy Loves Misery

7MS #150: OFF-TOPIC-Bone Tomahawk / Goodnight Mommy / Comedy Loves Misery

Preview16 wordsIn today's off-topic episode I review the following movies: Bone Tomahawk Goodnight Mommy Misery Loves Comedy

3 Feb 201610min

7MS #149: Securing Your Life - Part 3

7MS #149: Securing Your Life - Part 3

This episode continues the series on securing your life - making sure all the security stuff related to your life is in order. Today we're particularly focusing on preparing to travel. What if (God forbid) the plane goes down? Who has access to your money, passwords, etc.?

1 Feb 20168min

7MS #148: OFF-TOPIC - Apple Watch Review

7MS #148: OFF-TOPIC - Apple Watch Review

Yep, there are tons of people/blogs/magazines/children/pets who have provided reviews of the Apple Watch. This is mine.

28 Jan 20169min

7MS #147: DIY Hosted Mutillidae

7MS #147: DIY Hosted Mutillidae

In this episode I talk about how to build a cheap hosted Mutillidae server to safely hack away on while keeping other Internet prowlers out. Here are the basic commands to run to lock down the Digital Ocean droplet's iptables firewall: *Flush existing rules* **sudo iptables -F** *Allow all concurrent connections* **sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT** *Allow specific IPs/hosts to access port 80* **sudo iptables -A INPUT -p tcp -s F.Q.D.N --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT** *Allow specific IPs/hosts to access port 22* **sudo iptables -A INPUT -p tcp -s F.Q.D.N --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT** *Block all other traffic:* **sudo iptables -P INPUT DROP** *Provide the VPS loopback access:* **sudo iptables -I INPUT 1 -i lo -j ACCEPT** *Install iptables-persistent to ensure rules survive a reboot:* **sudo apt-get install iptables-persistent** *Start iptables-persistent service* **sudo service iptables-persistent start** *If you make iptables changes after this and they don't seem to stick, do this:* **sudo iptables-save > /etc/iptables/rules.v4** See this Digital Ocean article for more information.

26 Jan 20168min

7MS #146: Friday Infosec News and Links Roundup

7MS #146: Friday Infosec News and Links Roundup

Here are some of my favorite stories and links for this week! If you missed last week's BURN IT ALL! Webcast, it's now online as a Youtube video. There is still time to register for the Real World Web Penetration Testing Webinar. It's(Thursday, January 28 @ 1 p.m. CST) and $25 (cheap!) Trustwave is in big trouble after failing to find hackers under their noses. Their noses mustreally hurt because Mandiant was quick to point out the work done by Trustwave was "woefully inadequate." I'm scared of IoT stuff. Why? Oh, I don't know, because what happens when your Nest fails and leaves your buttcheeks freezing cold?!?!? Or what if hackers steal your doorbell, and thus your wifi password and pwn your network? Thankfully, OWASP now now has a top 10 for IoT stuff too. A researcher found some clever ways to abuse Lastpass with an exploit called Lostpass. Lastpassresponded with a security change wherein a Lastpass authentication from a new device requires approval via email. A new Sysinternals tool helps figure out if you have shady, unsigned files in c:\windows\system32. Oh, and for sure upgrade all your iThings ASAP. Apple patched some ugly security holes.

23 Jan 201610min

7MS #145: OFF-TOPIC - Sicario and The Walk

7MS #145: OFF-TOPIC - Sicario and The Walk

In today's off-topic episode I review two movies: Sicario and The Walk.

21 Jan 20167min

7MS #144: Shoulder-Surfing with Seasoned Pentesters

7MS #144: Shoulder-Surfing with Seasoned Pentesters

I recently had the opportunity to shoulder-surf with some seasoned Webapp pentesters, and wanted to share what I learned about their tools, techniques and methodologies.

18 Jan 20167min

7MS #143: Friday Infosec News and Links Roundup

7MS #143: Friday Infosec News and Links Roundup

Here are some of my fav' stories and links for this week! * Burn it all...The New Security Fundamentals **(Wednesday, January 20 @ 1 p.m. CST)**: a free Webinar on setting up the "*core technical things you need to do for your security program*." I've attended many Webinars from the BHIS group and they're always informative and humorous. * Real World Web Penetration Testing **(Thursday, January 28 @ 1 p.m. CST)**: a $25 Webinar on going through "*a real world penetration test. We will explore the methodology and procedures Secure Ideas follows as we test web applications. The course will also walk through some tricks and tips on how to focus your testing on likely flaws*." I have seen four of their recorded courses before and found them to be *absolutely* worth the money I spent, so I'm confident this upcoming session will be no exception. * Fortinet SSH backdoor not much to say except if you use any of the affected products, update immediately as they contain an SSH backdoor: * FortiOS v4.3.17 or any later version of FortiOS v4.3 (available as of July 9, 2014) * FortiOS v5.0.8 or any later version of FortiOS v5.0 (available as of July 28, 2014) * Any version of FortiOS v5.2 or v5.4 * Hacker sentenced to 334 years in prison for operating a phishing Web site similar to that of a legit banking Web site. Moral of the story? Don't do that. * Don't use IE 8, 9 or 10 anymore! unless you like to live dangerously.

15 Jan 20168min

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