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shekkbuilder / bash_cheatsheet.md
Created November 22, 2019 03:35 — forked from lee2sman/bash_cheatsheet.md
bash scripting cheatsheet

Bash scripting cheatsheet

  • by Lee2sman
  • Updated 2017-09-18

Bash shebang

  • #!/usr/bin/env bash for portability, or less good, #!/bin/bash

Commenting

@shekkbuilder
shekkbuilder / Debootstrap.md
Created November 19, 2018 21:46 — forked from raminfp/Debootstrap.md
How to build your kernel without compile kernel source with debootstrap?

Let's Start (Weekend Notes) ...

Install debootstrap :

$ apt-get install debootstrap

Minimal Debian distribution with debootstrap :

@shekkbuilder
shekkbuilder / mem-loader.asm
Created October 8, 2018 14:39 — forked from zznop/mem-loader.asm
Fun little loader shellcode that executes an ELF in-memory using an anonymous file descriptor (inspired by https://x-c3ll.github.io/posts/fileless-memfd_create/)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Copyright (C), zznop, zznop0x90@gmail.com
;;;
;;; This software may be modified and distributed under the terms
;;; of the MIT license. See the LICENSE file for details.
;;;
;;; DESCRIPTION
;;;
;;; This PoC shellcode is meant to be compiled as a blob and prepended to a ELF
@shekkbuilder
shekkbuilder / audit.rules
Created August 6, 2018 07:04 — forked from Neo23x0/audit.rules
Linux Auditd Best Practice Configuration
# ___ ___ __ __
# / | __ ______/ (_) /_____/ /
# / /| |/ / / / __ / / __/ __ /
# / ___ / /_/ / /_/ / / /_/ /_/ /
# /_/ |_\__,_/\__,_/_/\__/\__,_/
#
# Linux Audit Daemon - Best Practice Configuration
# /etc/audit/audit.rules
#
# Compiled by Florian Roth
@shekkbuilder
shekkbuilder / web-servers.md
Created June 28, 2018 05:31 — forked from willurd/web-servers.md
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
@shekkbuilder
shekkbuilder / youtube-dl-download-audio-only-on-best-quality.md
Created June 16, 2018 14:29 — forked from umidjons/youtube-dl-download-audio-only-on-best-quality.md
Download Audio from YouTube with youtube-dl

Download Audio from YouTube

-i - ignore errors

-c - continue

-t - use video title as file name

--extract-audio - extract audio track

@shekkbuilder
shekkbuilder / readelf,nm,objdump.md
Created February 28, 2018 19:56 — forked from dutc/readelf,nm,objdump.md

Linux可執行文件ㄉ內容分析工具

NOTE: This is a working copy. This tutorial is unfinished and may contain inaccuracies.

I've written the title of this tutorial in Chinese, as I suspect that its contents may, at first glance, appear similarly incomprehensible to the audience.

However, just as I can sketch for you the following...

可執行文件 = (可 = can) + (執行 = execute) + (文件 = file) = executable (file)

@shekkbuilder
shekkbuilder / readelf,nm,objdump.md
Created February 28, 2018 19:56 — forked from dutc/readelf,nm,objdump.md

Linux可執行文件ㄉ內容分析工具

NOTE: This is a working copy. This tutorial is unfinished and may contain inaccuracies.

I've written the title of this tutorial in Chinese, as I suspect that its contents may, at first glance, appear similarly incomprehensible to the audience.

However, just as I can sketch for you the following...

可執行文件 = (可 = can) + (執行 = execute) + (文件 = file) = executable (file)

@shekkbuilder
shekkbuilder / FirmAD.sh
Created February 28, 2018 01:51 — forked from cryptolok/FirmAD.sh
Firmware Automatic Dumping & Extraction Tool
#!/bin/bash
# this tool will automate firmware extraction and unpacking using FT232R-type adaptors (like BusPirate) and a SOIC clip placed on a chip to dump
# install the necessary software:
#$ sudo apt install flashrom binwalk || echo 'git clone?'
# pump up binwalk with additional packages and libraries
#$ bash <(curl -s https://raw.githubusercontent.com/devttys0/binwalk/master/deps.sh)
# place the clip on the chip, connect it to the adaptor, which sould be connected to your PC (with drivers installed) and launch the script:
# chip => clip => adaptor => PC => script
@shekkbuilder
shekkbuilder / meltdown_redis.md
Created January 5, 2018 18:00 — forked from antirez/meltdown_redis.md

Meltdown fix impact on Redis performances in virtualized environments

Test performed with AOF enabled, fsync policy 1 second, allowing the rewrites to be triggered.

Command lines used:

./redis-benchmark -q -P 32 -n 1000000 -t set,get -r 1000000