goncalor

FROM alpine

RUN apk add --no-cache bash procps drill git coreutils curl

RUN addgroup testssl
RUN adduser -G testssl -g "testssl user"  -s /bin/bash -D testssl

RUN ln -s /home/testssl/testssl.sh /usr/local/bin/

USER testssl

goncalor

Masscan notes

NTP

For NTP, masscan (1.3.1) sends by default "monlist" packets. We only get responses from IPs that have this feature enabled (which is great for NTP amplification DDoS attacks). Since we get no response we miss open NTPs that don't have this feature.

$ masscan -pU:123 <ip>

goncalor

#!/usr/bin/env python3
import sys
import ipaddress

if len(sys.argv) != 2:
    print("Usage: {} <file>".format(sys.argv[0]))
    sys.exit(-1)

with open(sys.argv[1]) as f:
    for line in f.readlines():

goncalor

FROM alpine

RUN apk --no-cache add python3 py3-pip git

WORKDIR /app
RUN adduser -h /app -D user

RUN git clone --depth=1 https://github.com/sdgathman/pyspf/ .
RUN python3 setup.py install

goncalor

#!/bin/sh
#
# Converts `masscan`'s JSON output to JSON lines that can be
# parsed by `jq` or `python -m json.tool --json-lines`.
# masscan (1.0.4) outputs an array with a trailing comma, which is invalid.
# This basically breaks the array into its elements, one per line.
# 
# Example:
#   [
#   {...},

goncalor

#!/bin/sh
#
# A hook script to verify what is about to be committed.
# Called by "git commit" with no arguments.  The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.

files=$(git diff --cached --name-only --diff-filter=ACM | grep "\.py$")

pass=true

goncalor

# gen a new RSA key
ssh-keygen -t rsa -b 4096 -f /home/user/.ssh/whatever

# .ssh/config
Host host.local
  PreferredAuthentications publickey
  IdentityFile ~/.ssh/whatever

goncalor

Adding support for ATmega328PB to avr-gcc and avrdude

avr-gcc

1. Download ATmega's support pack from Microchip's website

2. Unzip the relevant files

    unzip -j Atmel.ATmega_DFP.x.y.zzz.atpack \
   

goncalor

FROM debian:stable-slim

RUN apt update \
    && apt install -y chromium curl unzip \
    && rm -rf /var/lib/apt/lists/*

#RUN useradd -m -d /app user
WORKDIR /app

RUN curl -L -o file.zip \

goncalor

FROM alpine

RUN apk --no-cache add #python3 py3-pip git

WORKDIR /app
RUN adduser -h /app -D user

#RUN git clone --depth=1 URI .
#COPY ["file", "./"]