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@stong
stong / CleanBoot.java
Last active January 27, 2024 11:35
Real World CTF 2023: Dark Portal Writeup
package org.mapleir;
import org.mapleir.app.client.SimpleApplicationContext;
import org.mapleir.app.service.ApplicationClassSource;
import org.mapleir.app.service.InstalledRuntimeClassSource;
import org.mapleir.asm.ClassHelper;
import org.mapleir.asm.ClassNode;
import org.mapleir.asm.MethodNode;
import org.mapleir.context.AnalysisContext;
import org.mapleir.context.BasicAnalysisContext;
@4abhinavjain
4abhinavjain / reinstall_VPS_from_inside.txt
Last active October 30, 2024 02:55 — forked from ClashTheBunny/reinstall_VPS_from_inside.sh
DIY install debian on Oracle Cloud Infrastructure ( Free Tier ) - ARM64
# should works on any cloud-init enabled hypervisor (openstack.. )
# start from a normal ubuntu 20.04 install as minimal was not available for ARM64
# Since ARM64 machines has higher RAM, Shrinking is desired but not necessary. Instead we will increase tmpfs to 1700MB
# Getting root (if sudo -i doesn't work then set a root password beforehand using 'sudo passwd root'
sudo -i
# make sure we are on the highest kernel, so we can delete all the others ...
@nstarke
nstarke / 01-reversing-cisco-ios-raw-binary-firmware-images-with-ghidra.md
Last active September 3, 2024 13:11
Reversing Cisco IOS Raw Binary Firmware Images with Ghidra

Reversing Raw Binary Firmware Files in Ghidra

This brief tutorial will show you how to go about analyzing a raw binary firmware image in Ghidra.

Prep work in Binwalk

I was recently interested in reversing some older Cisco IOS images. Those images come in the form of a single binary blob, without any sort of ELF, Mach-o, or PE header to describe the binary.

While I am using Cisco IOS Images in this example, the same process should apply to other Raw Binary Firmware Images.

@tzmartin
tzmartin / m3u8-to-mp4.md
Last active November 2, 2024 16:06
m3u8 stream to mp4 using ffmpeg

1. Copy m3u8 link

Alt text

2. Run command

echo "Enter m3u8 link:";read link;echo "Enter output filename:";read filename;ffmpeg -i "$link" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 $filename.mp4