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Euler Neto
Euler Neto

34 Followers

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Jan 11

(2022) My year in cybersecurity books

Practical Social Engineering: A Primer for the Ethical Hacker - Joe Gray Joe Gray is a well know OSINT professional. Who is into OSINT know the quality of his work, but if you don’t know you can check it out his platform with his courses: https://www.theosintion.com/. Now, in addition to…

Books

4 min read

(2022) My year in cybersecurity books
(2022) My year in cybersecurity books
Books

4 min read


Dec 1, 2022

[Malware Studies] Locky

In my second text about Malware Studies, this time I’ll show the analysis made in Locky Ransomware. Like the previous post, this executable was obtained in theZoo. SHA1 sample: b606aaa402bfe4a15ef80165e964d384f25564e4 To know the timestamp of the executable, for more information about the version, a search with the hash was made…

Malware

3 min read

[Malware Studies] Locky
[Malware Studies] Locky
Malware

3 min read


Aug 20, 2022

[Malware Studies] Cerber

I’m been focusing my studies in Reverse Engineering and Malware Analysis. The approach that I’m following is downloading the theZoo’s Ransomware samples and analyse them. The first one that I chose was Cerber. SHA1 sample: c69a0f6c6f809c01db92ca658fcf1b643391a2b7 I started the analysis running the sample in x32gdb to watch the instructions while…

Malware

4 min read

[Malware Studies] Cerber
[Malware Studies] Cerber
Malware

4 min read


Jun 3, 2022

Solving Step 2 of Downtown Murderer without using reverse image search — Hacktoria

Hacktoria’s monthly CTF in May was Downtown Murderer. There were 6 steps and I will focus in Step 2, which consists in geolocate three images, and I will show how I was able to find the locations without using Google Lens and/or Reverse Image Search. Before we start, it’s important…

Hacktoria

3 min read

Solving  Step 2 of Downtown Murderer without using reverse image search — Hacktoria
Solving  Step 2 of Downtown Murderer without using reverse image search — Hacktoria
Hacktoria

3 min read


Apr 6, 2022

[Write-up] LetsDefend — Suspicious Mshta Behavior

For those who don’t know, LetsDefend is a plataform where, among other things, simulates a SOC and there are some alerts to be resolved. …

Letsdefend

3 min read

[Write-up] LetsDefend — Suspicious Mshta Behavior
[Write-up] LetsDefend — Suspicious Mshta Behavior
Letsdefend

3 min read


Dec 24, 2021

(2021) My year in cybersecurity books

Windows Kernel Programming — Pavel Yosifovic I started the year reading this book. I always wanted to learn more about how the Windows Kernel works and nothing better to understand like learning how to develop a Windows Driver, which is loaded in the kernel. The book starts with an overview of Windows Internals before starts to…

Books

5 min read

Books

5 min read


Oct 27, 2021

Phishing — Serasa notification

Recently I received an e-mail message which says that’s from Serasa Experian. Serasa is a Brazilian credit research firm and the term “receive a notification from Serasa” is commonly vinculated to have finance debts, due to this fact this firm is a good candidate to be used in phishings. In…

4 min read

Phishing — Serasa notification
Phishing — Serasa notification

4 min read


Jul 13, 2021

Tracking a Bitcoin wallet related to sexortation

It was just one more day reading my emails, then I decided to take a look in the spam folder to see if there could have something interesting to analyze. So, I saw this message: Wow! It seems that I’m being a victim of sexortation. What can I do if…

Osint

3 min read

Tracking a Bitcoin wallet related to sexortation
Tracking a Bitcoin wallet related to sexortation
Osint

3 min read


May 4, 2021

Solving an OSINT Quiz 2 (#OSINTDOJO)

Today I’ll write an article showing the steps that I took to solve an OSINT Quiz as part of the requirements to obtain the Ronin Level in #OSINTDojo. The Quiz that I will talk about is the following: Like many problems involving images, doing a reverse image search we…

Osint

3 min read

Solving an OSINT Quiz 2 (#OSINTDOJO)
Solving an OSINT Quiz 2 (#OSINTDOJO)
Osint

3 min read


Mar 16, 2021

Solving an OSINT Quiz (#OSINTDOJO)

I’m write today to show the steps that I took to solve an OSINT Quiz. The Quiz that I’ll talk about it’s the following: McDonald’s has restaurants around the entire world and each city has many of them. I started looking for something that can give me a clue…

Osint

3 min read

Solving an OSINT Quiz (#OSINTDOJO)
Solving an OSINT Quiz (#OSINTDOJO)
Osint

3 min read

Euler Neto

Euler Neto

34 Followers

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