libcrack’s gists

libcrack / snppclient.py

Created May 29, 2016 02:52

Quick & dirty SNPP client based on snpplib

libcrack / foo.make

Created May 30, 2016 15:46

GNU/Linux Makefile base template

	CC := gcc
	BIN := pcap
	LDLIBS := -lpcap
	LDFLAGS :=
	CFLAGS := -Wall -Wno-parentheses -fomit-frame-pointer
	CPPFLAGS :=
	DEBUG := $(CFLAGS) -O0 -ggdb -fvar-tracking-assignments -fvar-tracking -fno-builtin

	all: $(BIN)

libcrack / pfctl-invalid-login.sh

Created June 2, 2016 23:21

Detects invalid auth attemps in /var/log/maillog and blacklist the src IPs using a bpf table

	#!/usr/bin/env bash
	# root[at]libcrack[dot]so
	# Sat Jan 10 07:15:37 CET 2015
	#
	# Detects invalid auth attemps in /var/log/maillog
	# and blacklist all matchs IPs using a bpf table
	#
	# Tested under: OpenBSD 5.8
	#

libcrack / backup.sh

Created June 6, 2016 11:52

Quick backup script

	#!/usr/bin/env bash
	# root@libcrack.so

	date=`date "+%d%m%Y_%H%M%S"`
	tardir="/var/backups"
	tarball="${tardir}/backup_${HOSTNAME}_${date}.tgz"
	folders="/etc /home /root" # XXX changeme
	subject="`hostname` backup $tarball $date"
	recipient="__YOURMAIL__" # XXX changeme

libcrack / pfsense-filter.pl

Last active July 22, 2022 17:30

Script to parse pfSense's filter log

	#!/usr/bin/env perl
	# libcrack@users.noreply.github.com
	# Thu Jun 9 23:03:10 CEST 2016
	#
	# :~$ ssh root@pfsense "clog -f /var/log/filter.log" \| pfsense-filter.pl

	use strict;
	use warnings;

	$\|=1;

libcrack / android-app-data-pull.sh

Last active June 23, 2016 11:25

Pulls the application's data passed as first argument from the first connected Android device via ADB

	#!/usr/bin/env bash
	# mar jun 14 18:54:23 CEST 2016

	appname="$1"

	[[ -z "$appname" ]] && {
	printf "\e[31mUsage:\e[0m $0 <android.bundle.name>\n"
	exit 1
	}

libcrack / frida-gadgets-download.sh

Created June 23, 2016 17:29

Frida.re binary gadgets download helper script

	#!/usr/bin/env bash

	urls="
	https://build.frida.re/frida/mac/lib/FridaGadget.dylib
	https://build.frida.re/frida/ios/lib/FridaGadget.dylib
	https://build.frida.re/frida/android/arm/lib/frida-gadget.so
	https://build.frida.re/frida/android/arm64/lib/frida-gadget.so
	https://build.frida.re/frida/android/arm64/lib/frida-gadget.so
	https://build.frida.re/frida/linux/i386/lib/frida-gadget.so
	https://build.frida.re/frida/linux/x86_64/lib/frida-gadget.so

libcrack / disable_ipv6_debian.sh

Created June 30, 2016 14:14

Script to disable IPv6 in Debian systems

	#!/bin/sh
	# @libcrack.so
	# jue nov 13 21:33:12 CET 2014

	echo "Disabling IPv6"

	echo net.ipv6.conf.all.disable_ipv6=1 > /etc/sysctl.d/disableipv6.conf
	echo net.ipv6.conf.default.disable_ipv6=1 >> /etc/sysctl.d/disableipv6.conf
	echo net.ipv6.conf.lo.disable_ipv6=1 >> /etc/sysctl.d/disableipv6.conf
	echo net.ipv6.conf.eth0.disable_ipv6=1 >> /etc/sysctl.d/disableipv6.conf

libcrack / conntrack-watcher.sh

Last active July 4, 2016 21:33

Connection tracking state table watcher

	#!/bin/bash
	# libcrack.so
	# dom ago 31 04:17:57 CEST 2014

	[[ "$(whoami)" == "root" ]] \|\| {
	printf "\e[0;31mGot root?\e[0m\n"
	exit 1
	}

	#maximun="$(sysctl -n net.ipv4.netfilter.ip_conntrack_max)"

libcrack / setsid_setpgrp.c

Last active July 1, 2016 06:04

Playing with POSIX Job control setsid()/setpgrp()

	/**
	* root@libcrack.so
	* vie jul 1 09:59:17 CEST 2016
	*
	* pid_t setsid(void); - Create session and set process group ID
	* int setpgid(pid_t pid, pid_t pgid); - Set process group ID for job control
	*
	* Forbidding setsid() in a process group leader is required by POSIX.
	* The setsid() function shall create a new session, if the calling process
	* is not a process group leader. It is required to ensure that all members

/var/lib/libcrack.so.1 libcrack