Tag Archives: hacking

Protostar – Format Strings – Level 4

Hello everyone! This is the blog post for the level 4 format level of Protostar, that is the last one. This is the hint: And this is the code: Before I start, I have to say that I had no … Continue reading

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Protostar – Format Strings – Level 3

This is another post about Protostar exploiting box. Let’s start working in the interesting levels 🙂 This is the hint for the level: And this is the code: As the level starts as the last one, I’m going to cover … Continue reading

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Protostar – Format Strings – Level 2

Hello everyone, Let’s continue working in Protostar exploit exercises 🙂 Next exercise says the following: And this is the code for this level 2: This time, the input is received in a different way: Let’s start as the past levels. … Continue reading

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Protostar – Format Strings – Level 1

Let’s continue working in ProtoStar exploiting exercises. Let’s see how to solve the Format String level 1. As always, first let’s read the level description. Exercise: This level shows how format strings can be used to modify arbitrary memory locations. … Continue reading

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Protostar – Format Strings – Level 0

Hello everyone! In this blog post I will cover the solution for the Exploiting exercise named ProtoStar that is related to Format String vulnerabilities. Let’s see the first level: Exercise 0: This level introduces format strings, and how attacker supplied … Continue reading

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Introduction to Format Strings Bugs

Format strings are the result of facilities for handling functions with variable arguments in the C programming language. Because it’s really C what makes format strings bugs possible, they affect every OS that has a C compiler. What is a … Continue reading

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MobaXterm Buffer Overflow – Malicious Sessions File import

Hello! In this blog post I will talk about the exploitation of a vulnerability that I discovered on August of 2019 in MobaXterm application. MobaXterm is a well known remote administration tool, that is used in many companies or in … Continue reading

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SEH based local Buffer Overflow – DameWare Remote Support

Hello everyone! At this blog post I’m going to speak about a vulnerability that I detected at July of 2019 in DameWare Remote Support V. 12.1.0.34. DameWare is a well known remote administration tool that allows user to connect to … Continue reading

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Bypassing Kaspersky AntiVirus 2018

Hello, In this blog post I’m going to show how to do a trick to bypass the Kaspersky 2018 AV. For the example, I’m going to use a netcat 99 binary that Kaspersky is going to detect as the following … Continue reading

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Backdooring a Windows Binary bypassing ASLR memory protection

Hello, Today is a sunny day here in my country and I should be in the beach drinking a cold beer, but I don’t know why… I’m here at home embedding a backdoor inside a Windows binary. I’ve already wrote … Continue reading

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