defcon lanyard

Defcon Quals challenge 2015 -- Twentyfiveseventy level WriteUp Not long ago, the Defcon Qualification ctf I attended was very interesting. I want to share with you the detail analysis of the longest level I used in this challenge. This level is "Twentyfiveseventy" in the PWNABLE directory. Generally, the level in this directory should be obtained through a vulnerability. Download this file [file can be do

0X01 Research BackgroundAfter analyzing the source code of several bank Trojans exposed by Russians, it is found that most of them have a module that captures the user's personal information by hijacking the browser data packets, and obtains the plaintext data of the packets by intercepting the encrypted or decrypted packets in the browser memory. The Defcon 23 released tool Netripper This ability to have the above malicious bank Trojan, its open sour

, The structure of the battery cover includes the key hand position, the insertion buckle, the side buckle, the dial point, the keying hand position is to take the power when the battery cover, the insertion buckle, the side buckle, is the battery cover inserts the lower shell when the occlusal structure, the dial point is the battery cover inserts the lower shell to prevent the exit lock structure.21. Structure design of the piercing holeThe cable is used to fasten the structure of the rope, th

First look at the effect of the picture: Step 1: Open Photoshop, create a new file, set as shown in Figure 1: (Figure 1) Step 2: Use the Pen tool to hook the pendant outline, in the non-Chinese input state press D, the foreground color set to black, click on the Path palette fill the button, to fill the pendant black, as shown in Figure 2: (Figure 2) Step 3: In step 2, use the Pen tool to hook the chain with the Pearl, select the chain path on the path palette click the S

Ps: I think it is necessary to record the process of this exploration. If you have a better idea, please remind me...Scenario:Web-Internet, apache, PHPDb-Intranet, mysql, win 6.1x64A get union Select MySQLi is the Root permission. How can this problem be solved?0 × 01 challenge IMulti-statement execution problems, from very early on, including defcon documentation defcon-17-muhaimin_dzulfakar-adv_mysql-wp.p

watercloud members in the security focus team. The content of this book cannot be called original. More is to further explore and organize it on the basis of previous studies. However, every demo in the book has been carefully thought out and debugged by the author, and has accumulated many years of experience from the four authors.From top magazines and conferences in the security field, China's overall system and network security technology is not outstanding in the world. Currently, Chinese

talking about the Defcon CTF Qualifier 2016 Baby-re This problem it just took 10min to finish watching the automated analysis to get the flag. Angr's github address is, linkInstallation of AngrTheoretically, Angr currently supports multiple platforms for Linux, Windows, and Macs. But the best support is the Linux platform. It is not recommended to install on Windows because the dependent library files associated with the Windows platform are more dif

In this Photoshop tutorial I will show you how to create a wood mosaic effect using wood textures, layer masks, and some creative selection techniques. Effect chart Step 1 First let's build a new document, and mine is 540x300 pixel, 72ppi. Size is not important. On the internet can find a lot of good wood texture, I use the texture on the defcon–x.de. We will first create 3 layers and paste each wood texture separately. Color is not imp

In this Photoshop tutorial I will show you how to create a wood mosaic effect using wood textures, layer masks, and some creative selection techniques.Step 1First let's build a new document, and mine is 540x300 pixel, 72ppi. Size is not important. On the internet can find a lot of good wood texture, I use the texture on the defcon–x.de. We will first create 3 layers and paste each wood texture separately. Color is not important, the important thing is

Returning from exploit VERBOSE false no Enable VERBOSE output Payload information:Description:This module would EXECU Te an arbitrary payload on a Microsoft SQL Server, using the Windows debug.com method for writing a executable to disk And the xp_cmdshell stored procedure. File size restrictions is avoided by incorporating the Debug bypass method presented at Defcon-Securestate. Note that this module would leave a Metasploit payload in the Windows S

game set in your ENT Egypt Neverwinter Nights Set in a huge medieval fantasy world of Dungeons and Dragons Penny Arcade Adventures Episodic video series based on the webcomic Penny Arcade Vendetta Online 3D space combat Massively Multiplayer Online Role-Playing Game Wurm Online Community-centric Massively multiplayer online role-playing Strategy Guest Ent Empires Lux Play as all the great co

, and then published in the online forum. On the mobile side, attackers use the Samsung IME vulnerability to spy on users ' cameras and microphones, read input and outgoing text messages, and install malicious applications that affect more than 600 million of Samsung mobile users worldwide.The same Web site password buried worriesLast year, a large number of 12306 of usernames and passwords were spread on the black market, and the data could be obtained by hackers attempting to log in 12306 with

Uplink is a classic game developed by introversion. The year is relatively early. Another recent classic game is defcon (nuclear war crisis ), it can be said that the introversion game is a classic model, and it is always very small. These two games are all within 50 MB. Today I will attach "Uplink", which is the red League version I made N years ago, it is troublesome to develop a Chinese game. Just a BMP image is the encoding library. I tried to use

First, best Android Hacking Apps and Tools of 2018First list of common Android phone hacking tools#1 the Android Network Hacking Toolkit15+ best Android Hacking Apps and ToolsThe last Defcon conference, a new tool had been released by a security researcher and the tool is called "The Android N Etwork Toolkit ". This tool have been developed for penetration tester and ethical hackers to test all network and vulnerabilities by using T Heir mobile phones

Http://ddeville.me/2015/08/using-the-vmware-fusion-gdb-stub-for-kernel-debugging-with-lldbHttp://ddeville.me/2015/08/kernel-debugging-with-lldb-and-vmware-fusion79297177https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/ Defcon-25-min-spark-zheng-macos-ios-kernel-debugging.pdfHttps://theori.io/research/korean/osx-kernel-exploit-1 Method One: Lldb+vmware FUSION+KDK preparation work 1. Install the LLDB on your Mac (install Xcode

Less than 5 minutes! Hackers have cracked the world's safest Android phone Blackphone is called the world's safest Android phone. At the recent DefCon hacking conference, the mobile phone was cracked by hackers within five minutes and obtained the Root permission. Blackphone is a product jointly developed by Geeksphone and Silent Circle. It was designed to provide users with data security services based on Google's open-source Android project. To

, but there must be many people involved in these attacks. DDoS protection provider Radware agrees with the discovery of Qihoo 360. According to Radware security researcher DanielSmith, many of these attacks reach 500 Gbps to 1 Tbps. But the good news is that they seldom continue. He said that Internet service providers and websites began to filter and blacklisted attack traffic because the attack traffic arrived through a specific network port. Other companies like Google and Amazon are designe

1. Introduction to activity hijackingSee the original article published on the DEFCON-19Https://www.trustwave.com/spiderlabs/advisories/TWSL2011-008.txtWhen android is running, it will switch between multiple activities. It maintains the history stack of an activity and is used to restore the previous activity when the user clicks back, the stack top points to the currently displayed activity.The original article is as follows:Http://developer.android

PIN code, which can be used by hackers to eavesdrop on mobile phone calls or even counterfeit mobile phone signal towers. "Hackers and drones can perform flight tasks based on the established routes and then return to the base, We have transformed it to attack wireless networks, Bluetooth and GSM cellular mobile phone communication networks ." Last weekend, Parkins and tacay attended the DefCon hacker technology seminar in Las Vegas, USA. Shows the h

This is a 200 pwn question on defcon this year. It is a 32-bit elf Program in linux. For the program, see the appendix shitsco.I. Static AnalysisFirst, run the program and check the functions of the program. As shown in, this program provides an internet operating system that supports certain commands (enable, ping, and so on ).Use the ida analysis program. main function:The main function has three subfunctions. Analyze the three subfunctions in seque