Petruknisme's Feed
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1.15K links
This channel is dedicated for my blog feed and interesting resources that I think useful to share.

Topic: Reverse Engineering, Exploit Development, Hacking/Pentesting, Development or some random stuff

https://petruknisme.com

Contact: @petruknisme
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Still in my WIP and development progress. Will release this as soon as possibleπŸ‘¨β€πŸ’»πŸ‘¨β€πŸ’»
Getting freeze when scanning larger app with Burpsuite?

Maybe you can try to tune the Garbage Collector using this parameter:

java -XX:+UseConcMarkSweepGC -jar /path/to/burpsuite_pro_beta.jar&

FYI, I'm using Arch Linux with 16GB RAM(without swap) and SSD but still getting freeze when scanning without that parameter.

https://stackoverflow.com/questions/20498651/xxuseconcmarksweepgc-what-is-default-young-generation-collector

https://docs.oracle.com/cd/E13209_01/wlcp/wlss30/configwlss/jvmgc.html

Wanna try?
CMIIW. Please let me know if it works for you~
Simple SHA512 HMAC Generator using Python3

import hmac
import hashlib

KEY = b'secret'
MSG = b'THIS IS SUPER SECRET MESSAGE'

# You can use sha1, sha512
digester = hmac.new(KEY, MSG, hashlib.sha512)
# This will print hex digest output instead of base64
print(digester.hexdigest())
Merge M4A and MP4 with FFMPEG

ffmpeg -i video-input.mp4 -i audio-input.m4a -acodec copy -vcodec copy output.mp4
https://github.com/mattharrison/Tiny-Python-3.6-Notebook

This repository contains the text for the Tiny Python 3.6 Notebook.

Warning, this is not an introduction to Python. Rather it is a notebook containing curated examples for Python 3 as well as the new features found in Python 3.6. It is designed to accompany technical corporate training offered by the author or aid those who want a quick refresher to the Python syntax.
Checking Public IP Address from Linux Command Line

Use this command if you want to know your public ip from linux machine

$ dig +short myip.opendns.com @resolver1.opendns.com
XXX.XXX.XXX.XXX
<β€” PUBLIC IP

or

$ dig TXT +short o-o.myaddr.l.google.com @ns1.google.com
XXX.XXX.XXX.XXX
<β€” PUBLIC IP


OR

$ host myip.opendns.com resolver1.opendns.com
Using domain server:
Name: resolver1.opendns.com
Address: 208.67.222.222#53
Aliases:

myip.opendns.com has address XXX.XXX.XXX.XXX <β€” PUBLIC IP
Host myip.opendns.com not found: 3(NXDOMAIN)
Host myip.opendns.com not found: 3(NXDOMAIN)
Prefer to use Pen and Paper for writing a note πŸ‘
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