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CTF

2019 Defcon DFIR CTF Write-up

33 minute read

The Unofficial Defcon DFIR CTF comprised of 5 different challenge categories with a total of 82 DFIR related challenges including a Crypto Challenge, Deadbox...

Practical Malware Analysis - Lab Write-up

22 minute read

This details reverse engineering activities and answers for labs contained in the book ‘Practical Malware Analysis’ by Michael Sikorski and Andrew Honig, whi...

Hack The Box - Querier

9 minute read

Querier is true to its name, requiring exploitation of common SQL vulnerabilities whilst combining elements of combing through macros, insecure SMB shares, h...

Hack The Box - Bastion

8 minute read

Bastion was a relatively simple machine with the biggest issue steming from maintaining a connection to a remote mounted drive. Utilising a machine vhd backu...

Hack The Box - Netmon

6 minute read

Netmon was a very simple box which highlighted issues with open FTP servers, plaintext configuration files, common password conventions, and blindly trusting...

Hack The Box - Irked

6 minute read

This machine highlighted a few issues such as supply chain compromise, the ease of hiding information using steganography, and how easily a vulnerable binary...

Hack The Box - Ypuffy

5 minute read

This machine was quite interesting, and contained a privilege escalation method I’d not seen mentioned elsewhere. Luckily this was confined to the challenge,...

Hack The Box - Waldo

5 minute read

This machine was interesting, starting with directory traversal and LFI vulnerabilities, it then exploits a feature not commonly known which is supposed to b...

Hack The Box - Zipper

8 minute read

This machine took a bit of thinking outside of the box so it was a bit of a nice challenge and involved exploiting both custom binaries and legitimate servic...

Hack The Box - Carrier

9 minute read

This machine had some interesting elements to it and really made you think outside of the box. It incorporated a number of elements which you wouldn’t typica...

Hack The Box - Curling

3 minute read

This machine had some CTF elements to it, but overall wasn’t that difficult to complete through proper enumeration. It highlights some issues which may be pr...

Hack The Box - Help

5 minute read

Help was an interesting machine which appeared to have multiple ways of gaining access and elevating privileges. In the end it contained elements of graphql,...

Hack The Box - Active

3 minute read

This machine was fairly straight forward and mimicked something you’d unfortunately expect to see even today in a typical penetration test. All in all it’s a...

Hack The Box - Access

6 minute read

This machine was fairly basic but still provided some useful reminders and tools which can be utilised to export pst file contents on Linux, natively transfe...

Hack The Box - Jerry

2 minute read

Jerry would have to be one of the easiest machines I’ve ever compromised on Hack The Box. This involved using legitimate credentials to log onto an Apache To...

Hack The Box - Dev0ops

8 minute read

Dev0ops highlighted issues with weakly configured XML parsers which lead to an XXE vulnerability, and developer error which lead to SSH keys in commit revisi...

Hack The Box - Solidstate

5 minute read

This machine contained a fairly straightforward SMTP vulnerability which didn’t even need to be exploited to fully compromise the machine. It is an essential...

Hack The Box - Chatterbox

5 minute read

Chatterbox was a reasonably simple machine which required exploiting a vulnerable ‘Achat’ service with custom shellcode, and then migrating to a more stable ...

Hack The Box - Jeeves

5 minute read

Jeeves showed us that an unauthenticated Jenkins server can easily lead to a reverse shell through Groovy Script even if the web-directory is unknown. It hig...

Hack The Box - Bashed

3 minute read

Bashed was an extremely simple box demonstrating some of the most basic techniques for spawning reverse shells and elevating privileges. It is a great beginn...

Hack The Box - Blue

26 minute read

Blue is definitely one of the shortest boxes in Hack The Box history. As the name suggests all that was required to fully compromise this machine was MS17-01...

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HTB

Hack The Box - Querier

9 minute read

Querier is true to its name, requiring exploitation of common SQL vulnerabilities whilst combining elements of combing through macros, insecure SMB shares, h...

Hack The Box - Bastion

8 minute read

Bastion was a relatively simple machine with the biggest issue steming from maintaining a connection to a remote mounted drive. Utilising a machine vhd backu...

Hack The Box - Netmon

6 minute read

Netmon was a very simple box which highlighted issues with open FTP servers, plaintext configuration files, common password conventions, and blindly trusting...

Hack The Box - Irked

6 minute read

This machine highlighted a few issues such as supply chain compromise, the ease of hiding information using steganography, and how easily a vulnerable binary...

Hack The Box - Ypuffy

5 minute read

This machine was quite interesting, and contained a privilege escalation method I’d not seen mentioned elsewhere. Luckily this was confined to the challenge,...

Hack The Box - Waldo

5 minute read

This machine was interesting, starting with directory traversal and LFI vulnerabilities, it then exploits a feature not commonly known which is supposed to b...

Hack The Box - Zipper

8 minute read

This machine took a bit of thinking outside of the box so it was a bit of a nice challenge and involved exploiting both custom binaries and legitimate servic...

Hack The Box - Carrier

9 minute read

This machine had some interesting elements to it and really made you think outside of the box. It incorporated a number of elements which you wouldn’t typica...

Hack The Box - Curling

3 minute read

This machine had some CTF elements to it, but overall wasn’t that difficult to complete through proper enumeration. It highlights some issues which may be pr...

Hack The Box - Help

5 minute read

Help was an interesting machine which appeared to have multiple ways of gaining access and elevating privileges. In the end it contained elements of graphql,...

Hack The Box - Active

3 minute read

This machine was fairly straight forward and mimicked something you’d unfortunately expect to see even today in a typical penetration test. All in all it’s a...

Hack The Box - Access

6 minute read

This machine was fairly basic but still provided some useful reminders and tools which can be utilised to export pst file contents on Linux, natively transfe...

Hack The Box - Jerry

2 minute read

Jerry would have to be one of the easiest machines I’ve ever compromised on Hack The Box. This involved using legitimate credentials to log onto an Apache To...

Hack The Box - Dev0ops

8 minute read

Dev0ops highlighted issues with weakly configured XML parsers which lead to an XXE vulnerability, and developer error which lead to SSH keys in commit revisi...

Hack The Box - Solidstate

5 minute read

This machine contained a fairly straightforward SMTP vulnerability which didn’t even need to be exploited to fully compromise the machine. It is an essential...

Hack The Box - Chatterbox

5 minute read

Chatterbox was a reasonably simple machine which required exploiting a vulnerable ‘Achat’ service with custom shellcode, and then migrating to a more stable ...

Hack The Box - Jeeves

5 minute read

Jeeves showed us that an unauthenticated Jenkins server can easily lead to a reverse shell through Groovy Script even if the web-directory is unknown. It hig...

Hack The Box - Bashed

3 minute read

Bashed was an extremely simple box demonstrating some of the most basic techniques for spawning reverse shells and elevating privileges. It is a great beginn...

Hack The Box - Blue

26 minute read

Blue is definitely one of the shortest boxes in Hack The Box history. As the name suggests all that was required to fully compromise this machine was MS17-01...

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HHC

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Tutorial

Practical Malware Analysis - Lab Write-up

22 minute read

This details reverse engineering activities and answers for labs contained in the book ‘Practical Malware Analysis’ by Michael Sikorski and Andrew Honig, whi...

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Defcon

2019 Defcon DFIR CTF Write-up

33 minute read

The Unofficial Defcon DFIR CTF comprised of 5 different challenge categories with a total of 82 DFIR related challenges including a Crypto Challenge, Deadbox...

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Cheatsheet

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DFIR

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