praseodym

OpenCTF 2018: Challenge 24 (Nightmare-50)

Challenge text:

Nightmare-50 50 ---
Automated home work scoring my ass. https://shades-of-nightmare.openctf.com/nzpoixyucvkjwnerntasdfascdvasdfqwerqwe/nightmare-50/ 

This website hosts a 'homework grading' application as an Xterm.js/Gotty webapp:

praseodym

OpenCTF 2018: Challenge 8 (yodawg.jpg)

Challenge text:

yodawg.jpg 50 ---
steghide was found on the hackers computer.  https://scoreboard.openctf.com/yodawg.jpg-a5f90bcb58c65886c8b40623ad5bf73ae62545bc

This file is a tar.gz containing yodawg.jpg. From the hint we know that the steghide tool was used hide another file in this jpg. steghide needs a passphrase; the jpg file happens to represent the flag of Gabon and Gabon was indeed the passphrase used to hide the data:

praseodym

apiVersion: v1
kind: PersistentVolume
metadata:
  annotations:
    pv.kubernetes.io/bound-by-controller: "yes"
    pv.kubernetes.io/provisioned-by: local-volume-provisioner-k8s-01-2bb98394-3734-11e7-956b-00505699a646
    volume.alpha.kubernetes.io/node-affinity: '{"requiredDuringSchedulingIgnoredDuringExecution":{"nodeSelectorTerms":[{"matchExpressions":[{"key":"kubernetes.io/hostname","operator":"In","values":["k8s-01"]}]}]}}'
  creationTimestamp: 2017-07-02T17:16:17Z
  name: local-pv-87b4a99e
  resourceVersion: "11478333"

praseodym

Keybase proof

I hereby claim:

• I am praseodym on github.
• I am praseodym (https://keybase.io/praseodym) on keybase.
• I have a public key ASCsOdUAXuPHsb-oDVWoG5RfjSzbwP_or4y2FnmFX9tHIQo

To claim this, I am signing this object:

praseodym

{
  "firewall": {
    "all-ping": "enable",
    "broadcast-ping": "disable",
    "group": {
      "address-group": {
        "authorized_guests": {
          "description": "authorized guests MAC addresses"
        },
        "guest_allow_addresses": {

praseodym

---

- name: ensure wheezy-backports is present
  apt_repository: repo="deb http://ftp.nl.debian.org/debian/ wheezy-backports main contrib non-free" state=present update_cache=yes
  when: ansible_distribution_release == 'wheezy'

- name: ensure jessie-backports is present
  apt_repository: repo="deb http://ftp.nl.debian.org/debian/ jessie-backports main contrib non-free" state=present update_cache=yes
  when: ansible_distribution_release == 'jessie'

praseodym

package io.pivotal.literx;

import org.junit.Test;
import reactor.core.publisher.Flux;

public class Sample {
    @Test
    public void sample() {
        Flux<Integer> flux = Flux.just(1, 2, 3);
        flux.log().sampleMillis(1000).subscribe(a -> System.out.println("Subscribe: " + a));

praseodym

package reactor.core;

import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.ConnectableFlux;
import reactor.core.publisher.Flux;
import reactor.core.scheduler.Schedulers;
import reactor.test.TestSubscriber;

praseodym

package org.eclipse.aether.examples;

import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.collection.CollectRequest;
import org.eclipse.aether.examples.util.Booter;
import org.eclipse.aether.graph.Dependency;

praseodym

.encoding = "UTF-8"
config.version = "8"
virtualHW.version = "11"
nvram = "testserver6.nvram"
pciBridge0.present = "TRUE"
svga.present = "TRUE"
pciBridge4.present = "TRUE"
pciBridge4.virtualDev = "pcieRootPort"
pciBridge4.functions = "8"
pciBridge5.present = "TRUE"