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Passive Scanning 1 (Using Google)
Passive Scanning is the first stage of hacking: it does not establish direct connection with the server, but is a “passive” process to learn more about the server. In this post, I will talk about using Google. these are the simple commands you can use on the google search engine: IF THERE ARE ANYTHING THAT…
Bind Shell and Reverse Shell (Rudimentary)
Set up the same Netcat connection from the database side, but a little differently: This executes /bin/sh after establishing connection with port 4444 On the external (hacker) side, establish the connection: this will enable the external side to probably up to the super user access. you can now execute commands from the external tool. ex.…
NetCat Introduction (Basic, Rudimentary)
In terminal using Kali Linux; NetCat –> nc NetCat Listen to Establish Connection This will establish connection between two sections File recieve/send *in Linux, all PW files are stored in /etc/passwd, and through NetCat you can send over the file from the system to another. *receiving computer *sending computer This will send the file /etc/passwd…
USACO 2006 DEC #3(Silver): River Hopscotch
Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The excitement takes place on a long, straight river with a rock at the start and another rock at the end, L units away from the start (1 <= L <=…
School Postponed Until Next Year
Umm, so now the COVID-19 Virus is a serious issue in the States, our school (I think most of the schools in America are closing down, hopefully) decided to close down until next year and hold online classes using Ringcentral instead of meeting. Hooray to all my boarding fee and tuition for doing nothing. I…
USACO 2018 DEC #2 (Silver): Convention II
Despite long delays in airport pickups, Farmer John’s convention for cows interested in eating grass has been going well so far. It has attracted cows from all over the world. The main event of the conference, however, is looking like it might cause Farmer John some further scheduling woes. A very small pasture on his…
USACO 2018 DEC #1 (Silver): Convention
Farmer John is hosting a new bovine grass-eating convention at his farm! Cows from all over the world are arriving at the local airport to attend the convention and eat grass. Specifically, there are N cows arriving at the airport (1≤N≤10^5) and cow ii arrives at time Ti (0≤Ti≤10^9). Farmer John has arranged M (1≤M≤10^5) buses to transport the cows from the airport.…
USACO 2020 JAN #1 (Silver): Berry Picking
Bessie and her little sister Elsie are picking berries in Farmer John’s berry patch. Farmer John’s patch has exactly N berry trees (1≤N≤1000); tree i contains exactly Bi berries (1≤Bi≤1000). Bessie has exactly K baskets (1≤K≤1000, K even). Each basket can hold as many berries from a single tree as Bessie wants, but cannot contain berries from two different trees as their flavors will…
USACO 2016 US Open #3 (Silver): Closing the Farm
Farmer John and his cows are planning to leave town for a long vacation, and so FJ wants to temporarily close down his farm to save money in the meantime. The farm consists of N barns connected with M bidirectional paths between some pairs of barns (1≤N, M≤3000). To shut the farm down, FJ plans to close one barn…
C++ Developing Environment
C++, is a really… crazy language. I don’t mean it like in a bad way, but it’s really one of those non-straightforward coding languages. This language needs a proper editing and building tool; I usually use codeblocks. That’s probably the easiest method for a beginner like me. Download the codeblock file here: http://www.codeblocks.org/downloads Download the…
Python File Editor/Builder
Ehh. There are many ways you can edit a Python file and build them, but based on my experience Atom is the most convenient way to code python. (kind of. yeah.) you can download atom from here: https://atom.io/ Atom is a free application you can use to develop pretty much anything on there. But I…
Tips On Competitive Coding
I know, I’m not an advanced coder, but there are some things that might help you with time reduction and more efficiency on competitions. Fast I/O Put this code in your main function, and it will fasten your cin and cout.. 2. Header Many people might know this, but this header file includes most of…
Python basic installation and pip guide
I mean, I’m not an expert or anything similar, but I can give basic guides to anyone who are too lazy to search the web for how to installing python or how to use pip and installing those fancy headers. Obviously, you can install python from its official website: https://www.python.org/ I don’t know how else…
My First Blog Post
Be yourself; Everyone else is already taken. — Oscar Wilde. This is the first post on my new blog. I’m just getting this new blog going, so stay tuned for more. Subscribe below to get notified when I post new updates.
Introduce Yourself (Example Post)
This is an example post, originally published as part of Blogging University. Enroll in one of our ten programs, and start your blog right. You’re going to publish a post today. Don’t worry about how your blog looks. Don’t worry if you haven’t given it a name yet, or you’re feeling overwhelmed. Just click the…
