Collaborate Disseminate
I’ve got the issue that the Gmail app on Android (OnePlus One device) is unable to send messages (it stays in Outbox instead of Sent). Once in the past, I’ve solved this by clearing the Gmail app cache, another time by disabling and enabli… Continue reading Gmail app on Android can’t send messages since months
I’m trying to understand how the eSIM is protected against cloning. Here is the diagram from GSMA standard:
Now the ICT operator has its own security domain in which all the GSM related keys probably lie. My intention is not to extract t… Continue reading eSIM/eUICC relay attacks
I have some USBHub ( Ethernet + HDMI + USB + VGA). When it doesn’t have anything connected it exposes to Linux operating system device:
‘hiddev0, hidraw1’
in opposite to HID mouse:
which is visible as ‘input,hidraw0’
Here are some log snip… Continue reading How exactly are hidraw ‘Billboard’ devices interrogated?
I’m looking for way to load to Ghidra,radare or IDA firmware of DFU firmware identified by binwalk as:
0x0 CSR (XAP2) DFU Firmware update header
0x4c8 CSR Bluecore firmware segment
I’ve already extracted second part to seperate file … Continue reading XAP2 processor firmware reverse engeneering [migrated]
When I do in linux root shell cat /boot/System.map-$(uname -r) it returns me segments of memory but there is a big gap around phys_startup_64:
00000000000228c0 D softnet_data
0000000000022a80 d rt_uncached_list
0000000000022ac0 d rt6_uncac… Continue reading How to get information about segments of physical memory not described in System.map on linux
This question already has an answer here:
Can “cat-ing” a file be a potential security risk?
7 answers
Someti… Continue reading Terminal control chars and actions [duplicate]