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Barun

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

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32 posts
ghidra

Analyzing bare metal firmware binaries in Ghidra

Analyzing firmware binaries is often different from analyzing a PE or ELF file which have a definite structure. Reverse engineering firmware binaries often entails going through the datasheet, compiler headers to set up the base address and memory map correctly.

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CTF

Flare-On 6 CTF WriteUp (Part 11)

This is the eleventh part of the Flare-On 6 CTF WriteUp Series. 11 - vv_max The challenge reads > Hey, at least its not subleq. Subleq is an esoteric language. The

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CTF

Flare-On 6 CTF WriteUp (Part 10)

This is the tenth part of the Flare-On 6 CTF WriteUp Series. 10 - Mugatu The challenge reads Hello, I’m working an incident response case for Derek Zoolander. He clicked a

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CTF

Flare-On 6 CTF WriteUp (Part 9)

This is the ninth part of the Flare-On 6 CTF WriteUp Series. 9 - reloaderd The challenge reads This is a simple challenge, enter the password, receive the key. I hear that

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CTF

Flare-On 6 CTF WriteUp (Part 8)

This is the eighth part of the Flare-On 6 CTF WriteUp Series. 8 - snake The challenge reads > The Flare team is attempting to pivot to full-time twitch streaming video

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CTF

Flare-On 6 CTF WriteUp (Part 7)

This is the seventh part of the Flare-On 6 CTF WriteUp Series. 7 - wopr The challenge reads > We used our own computer hacking skills to "find" this AI

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CTF

Flare-On 6 CTF WriteUp (Part 6)

This is the sixth part of the Flare-On 6 CTF WriteUp Series. 6 - bmphide The challenge reads Tyler Dean hiked up Mt. Elbert (Colorado's tallest mountain) at 2am to

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CTF

Flare-On 6 CTF WriteUp (Part 5)

This is the fifth part of the Flare-On 6 CTF WriteUp series. 5 - Demo The challenge reads Someone on the Flare team tried to impress us with their demoscene skills. It

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Flare-on

Flare-On 6 CTF WriteUp (Part 4)

This is the fourth part of the FlareOn 6 CTF WriteUp series. 4 - Dnschess The challenge reads > Some suspicious network traffic led us to this unauthorized chess program running on an

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