Author Archives : xlogicx

Follow-up on creating Vm0wd2Qy > 9000

  This is referring to my previous post Vm0wd2Qy, and a clarification of how I got my results. If you repeatedly Base64 encode a string, you will eventually get Vm0wd2Qy as the first part of your string. In my previous post, I have 10,000 characters that you would eventually get as the first part of your string […]


Vm0wd2Qy 2

This article will be about 2 encodings/interpretations of binary; ASCII and Base64. ASCII is an 8-bit (debatable I know, but go with it) character encoding, and Base64 is a 6-bit character encoding. Conversions can be made between them: Not too interesting. This post is more about a string like “Vm0wd2Qy”: [2nd command is just there […]


Obscure FISTing 2

In the realms of assembly obfuscations, this isn’t extremely high in complexity. This is me finding an excuse to use the “FIST” instruction. In the context of the PoC, it is being used as a decoder for some encoded shellcode. Before going into the super technical details, below is a video of the PoC in […]