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Month: October 2019

Posted onOctober 31, 2019October 31, 2019os

dumb to interactive shell

by Jason LeeLeave a comment on dumb to interactive shell

When spawning new web shell, it is commonly just nothing but the dumb terminal. To explorer target system better, it is mandatory to use fully…

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Posted onOctober 30, 2019October 31, 2019pentest

[HTB] optimum

by Jason LeeLeave a comment on [HTB] optimum

Attacking Vector http->code injection->web reverse shell(powershell) -> priv esc Decision Tree 1)discovery : which ports are opened?– only 80 port is opened 2)enumerate : input/output…

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Posted onOctober 30, 2019October 31, 2019pentest

[HTB] teacher

by Jason LeeLeave a comment on [HTB] teacher

Attacking Vector http->code injection->web reverse shell -> priv esc Decision Tree 1)discovery : which ports are opened?– only 80 port is opened 2)enumerate : third…

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Posted onOctober 27, 2019October 30, 2019devices

I2C Interaction / BBB

by Jason LeeLeave a comment on I2C Interaction / BBB

Physical connections GPIO 1: GND —–> 2 GPIO3 :3.3V ——> 4GPIO19: P9_20 : SCL ——> 18GPIO20: P9_19: SDA ——> 17 Check Configuration //To check slave address…

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Posted onOctober 15, 2019October 30, 2019reverse

finding ID/PW from binary (.NET)

by Jason LeeLeave a comment on finding ID/PW from binary (.NET)

When the binary was compiled based on .NET framework, the dnSpy is the shortcut to decompile it. Unfortunately, IDA and Ghidra do not support .NET…

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Posted onOctober 14, 2019October 30, 2019pentest

Exploring CTF platform

by Jason LeeLeave a comment on Exploring CTF platform

OWASP Juice Shop is probably the most modern and sophisticated insecure web application! It can be used in security trainings, awareness demos, CTFs and as…

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Posted onOctober 12, 2019October 30, 2019hyper-visors

Converting VMs to Hyper-V

by Jason LeeLeave a comment on Converting VMs to Hyper-V

Hyper-V provide a specific PowerShell tool for converting other VMs to Hyper-V disk(*.vhd, *.vhdx), but when converting images, it generally occurs errors depending on environment.…

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Posted onOctober 5, 2019October 30, 2019devices

Installing Crossbuild tools

by Jason LeeLeave a comment on Installing Crossbuild tools

A cross compiler is a compiler capable of creating executable code for a platform other than the one on which the compiler is running. For…

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Posted onOctober 4, 2019October 30, 2019devices

give BBB an internet access

by Jason LeeLeave a comment on give BBB an internet access

Tried many things to make BBB connected to internet. There’re few different ways such as by enabling ethernet port or adding USB Wi-Fi dongle. But…

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Posted onOctober 4, 2019October 30, 2019devices

CISCO ASA

by Jason LeeLeave a comment on CISCO ASA

Open source ? or commercial product? I believe they have pros and cons respectively. PfSense is working perfect as a centralized firewall includes almost everything but…

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