Questions tagged [firmware-analysis]

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JTAG Dumped Flash is scrambled

I dumped the flash memory of an old ARM9 Chip running VxWorks using the SEGGER J-Link and the savebin command from J-Link Commander. Here is an example of a line of HTML stored on memory. <!DOC^...
2
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0answers
98 views

How to proceed after running binwalk on this firmware?

I'm trying to access the firmware from the .bin in this archive: http://mydjiflight.dji.com/file/links/OSMO_ACTION_V17020_20191203_ZIP So far I've used binwalk and gotten the following output: ...
2
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0answers
103 views

Reversing a firmware update for an LG HTS

I'm trying to reverse a firmware update for an LG Home Theater BH7220, and I've hit a brick wall. This HTS has a main chip from LG referred to as "BH7000:1165" in the schematics. The chip has the ...
2
votes
1answer
258 views

Can't decompress firmware

I'm trying to reverse engineer a firmware for a vape mod. I've downloaded it from their official website. First I tried dissassemble it in IDA but it couldn't identify any architecture in it. Then I ...
1
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0answers
29 views

Windows binwalk refuses to extract files

I'm trying to reverse engineer the firmware for an AutoDrive AD-520 dashcam. The firmware is available for download here. I've installed binwalk on windows, I can get it to read the file just fine, ...
1
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0answers
51 views

Analyzing firmware image (eCos with YAFFS)

I'm trying to apply some of the practices I learn in class and online and reverse engineer the firmware of a Chinese dash camera. I've downloaded the firmware from their website (Smart dash camera: ...
1
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0answers
110 views

Dumping firmware from Winbond W25Q64JVSSIQ using BusPirate

I have a Winbond W25Q64JVSSIQ flash chip that supports SPI. I've connected BusPirate through a SOP8 cable to the memory chip. PWR and VREG LEDs are on, so they're connected. BusPirate is connected to ...
1
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0answers
23 views

Firewire film scanner

There is firewire photo film scanner Konica-minolta (scanner part of the minilab) that is standard mashine vision firewire linescan camera, connected to controler that deal with motor film fee, light, ...
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0answers
53 views

How can I emulate Huawei routers HG5xx firmware?

i want to pentest some HG routers in a way that i can try every thing without worrying if it would damage the router or not .... and a better view of debugging the actions .
1
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0answers
84 views

Reverse Engineering Android ROMS to detect malicious code

I'm working on reverse Engineering Android ROMS (Firmware you can flash onto your phone) so that I can scan them for malicious behavior. I've been looking all over the internet but unfortunately I'm ...
1
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0answers
588 views

How to extract DVB firmware bin file?

I have a bin file of DVB(DTH) box firmware I want to change one image inside that bin file how I can do this please guide me in right direction. I tried bin walk but the file that it extracted ...
1
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0answers
101 views

Which architecture is this firmware?

I am currently investigating GSL touch-screen controllers firmwares. A firmware example can be found here : https://github.com/onitake/gsl-firmware/blob/master/firmware/4good/t803i/silead_ts.fw In ...
1
vote
1answer
289 views

.fpk firmware unpacking

I am working on firmware update file prod-build-Isat2-V02.00.03-DFU.fp2. I extracted it and I've got some bin files. I analyzed these binary files with binwalk: binwalk -E RDA-533.bin The entropy of ...
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0answers
31 views

Loading garmin Foretrex 601 firmware into IDA Pro

I'm trying to load a Foretrex 601 firmware into IDA pro (fw_all.bin) But I have no idea how to do so since is a ARM architecture and it not drag&drop like x86/x86 arch. The GCD file can be ...
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0answers
63 views

Approaches to detect (compressed) audio in firmware

Edit: The audio data is on a separate IC There are a few seconds of audio in a toy's 128 kB firmware - somewhere... Here is a downsampled look at the bits (white = 1): My beginner's attempts to ...
0
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0answers
70 views

WPA2-PSK default password generation algorithm in router - now what?

I'm interesting in reverse-engineering default WPA2-PSK password algorithm on specifics router. I have the firmware I find from a github (pretty lucky) and identified an ELF 32-bit MSB executable, ...
0
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0answers
128 views

Can I bruteforce an .nc blowfish-448 encrypted (mcrypt2.2)?

Still a freshie at RE, but during my first expedition I came across some encrypted files. To be specific: _login.nc: mcrypt 2.2 encrypted data, algorithm: blowfish-448, mode: CBC, keymode: 8bit Any ...
0
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0answers
426 views

Disassembling ARM binary

I am trying to disassemble a firmware binary which I am interested in. Yet I don't have much experience in this field, which is why I would like some input from you guys. My current state is that I ...