PowerShell Data Exfil

by Vince
in Blog
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In my talk at BSides,I brought up "attacker motivation" and I gave some possible factors such as:  political, financial, revenge, etc.  Hacking isn't necessarily for the sake of just hacking and there could be some sort of underlying motivation.  It could be that an attacker is attempting to steal data.  And in the context of showing small businesses the impact of a breach, I want to lean more towards showing the simplicity of an attack which was the point of the talk and this post.  In my talk, I didn't go through data exfiltration but I'm giving another talk this week and I will go through it with them.

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Evil Captive Portal

by Vince
in Blog
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I think the idea of an Evil Captive Portal has been done to death but I heard someone talking about near-field communication (NFC) tags in the tables at a McDonald's.  The idea is that you put your phone on the table, the phone picks up the tag, and performs some action.  I honestly can't remember if it was taking them to their Twitter account or the web site but it gave me an idea.  The idea is similar to dropping a handful of malicious thumb drives in the parking lot but instead, printing business cards with some text and attaching a pre-programmed NFC tag.  You touch the phone to the card, the tag configures your phone to the Evil WiFi, and the captive portal steals your credentials or whatever.

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Password Spraying

by Vince
in Blog
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There are a number of tools to perform this attack but this one in particular states:  "DomainPasswordSpray is a tool written in PowerShell to perform a password spray attack against users of a domain. By default it will automatically generate the userlist from the domain."

There was a story a couple of years ago that talked about how help desks were resetting passwords using the words Winter, Spring, Summer, Fall, the year, and possibly some special characters.  If we think about password complexity rules, we need an uppercase letter, a lowercase letter, a number, and maybe a special character.

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