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Barun

Reverse Engineer with an interest in low level stuff and anything about security.

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32 posts
Flare-on

Flare-On 6 CTF WriteUp (Part 2)

This is the second part of the Flare-On 6 CTF WriteUp series. 2 - Overlong The challenge reads > The secret of this next challenge is cleverly hidden. However, with the right

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Post

Flare-On 6 CTF WriteUp (Part 1)

Flare-On is a CTF style reverse engineering challenge organized by the FLARE team at FireEye Labs annually. There are a series of 12 challenges with increasing difficulty. This year the challenges

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exploitation

Demystifying "Return-to-Zero-Protection" on ARM

Many of the techniques of x86 exploitation like Return-to-Libc doesn't map one-to-one with ARM. Here, we are going to explore Return-to-Libc and why it fails on ARM. We also show an alternate technique - Return to Zero Protection which overcomes all the limitations of ret2libc as applied to ARM.

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CTF

Flare-On 5 CTF WriteUp (Part 9)

This is the final part of the Flare-On 5 CTF writeup series. 12. Suspicious Floppy Disk Now for the final test of your focus and dedication. We found a floppy disk

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CTF

Flare-On 5 CTF WriteUp (Part 8)

This is part 8 of the Flare-On 5 CTF writeup series. 11. malware skillz We captured some malware traffic, and the malware we think was responsible. You know the drill, if

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CTF

Flare-On 5 CTF WriteUp (Part 6)

This is part 6 of the Flare-On 5 CTF writeup series. 9. leet editr Its getting to the very late stage challenges now, so its probably a good point to just

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CTF

Flare-On 5 CTF WriteUp (Part 5)

This is part 5 of the Flare-On 5 CTF writeup series. 7. WOW Wow, just.... Wow. WOW stands for World of Warcraft, a highly popular MMORPG from Blizzard Entertainment. Our challenge

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CTF

Flare-On 5 CTF WriteUp (Part 4)

This is part 4 of the Flare-On 5 CTF writeup series. 6 - Magic The challenge starts with a humorous intro. Wow you are a really good reverse engineer! Keep it up!

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CTF

Flare-On 5 CTF WriteUp (Part 3)

This is part 3 of the Flare-On 5 CTF writeup series. 5 - Web 2.0 The future of the internet is here, again. This next challenge will showcase some the exciting

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CTF

Flare-On 5 CTF WriteUp (Part 2)

This is part 2 of the Flare-On 5 CTF writeup series. 4 - binstall It is time to get serious. Reverse Engineering isn't about toys and games. Sometimes its about

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