(C2) server Set up a project board on GitHub to streamline and automate your workflow. In summary, the students are introduced to: ... 3 Task B. Tutorial – Upload a file to Cuckoo • http://bombshell.gtisc.gatech.edu/vm_2018.7z • Leverage the information found via static analysis to trigger the malicious • IP Address: 192.168.133.101 2. • Select the ova file and import it. • What is symbolic execution? • Then redirect this traffic to 192.168.133.1, port 80. cores) based on your hardware to speed this up • To open cuckoo webserver, type the following URL into Chromium • Read ~/report/assignment-questionnaire.txt • More ref: • We list down the functions or system calls the malware uses internally • Then select Restart • Analyze network traffic trace of the host, and figure out what malware does • Android Part • We will use Understand and implement framebusting using the same extension to prevent malicious • More ref: http://resources.infosecinstitute.com/2-malware-researchers-handbook-demystifying-pe-file/#gref Tutorial – Static Analysis on Cuckoo console. CS6262 Final Flashcard Maker: Alyssa De Leon. • .text • You need to identify communication with C&C server • Virtual Machine • Then it will quit the current running malware. • apktool d –f –r sms.apk Add description, images, menus and links to your mega menu. Tips Tips • 2) Please strictly follow the format or the example answer on each • Emulator submit. protocol. You need to reconstruct it • Stage1.exe, stage2.exe, payload.exe • br0 • sys-exec for stage2 takes a lot of time to resolve (up to 20 minutes) – • For Win32 binary, by checking PE32 format, we can check whether memory. # Project 3 for CS 6250: Computer Networks # # This defines a DistanceVector (specialization of the Node class) # that can run the Bellman-Ford algorithm. • Discover the list of commands using the symbolic execution tool Cs6200 project 3 Cs6200 project 3. • Write-up (~/Android/MaliciousMessenger/writeup.pdf) On September 24, 2014, a severe vulnerability in Bash was identified, and it is called Shellshock. Then, click OK. • Attack Source & Destination • Always follow the page 21. • Finding Command by Symbolic Execution Tips server) binary is packed. • After CFG analysis + symbolic execution, reconstruct the C2 • Repackage (requires signing) • Now we will run the malware We know that 21 equals to 3 times 7. • Run `start_server` This affects many systems. Solve the expression • Strings, etc. How to • From our cuckoo-based analysis, we know that the malware use HTTP I'm a MSECE student (non-thesis, FWIW) thinking about taking ECE6612/CS6262 Computer Network Security with Antonakakis. i+5 < j • Communicate with whom? • CoinPirates.apk • Most malware are packed or obfuscated by a known/unknown packer Tutorial – Finding Command on Angr • Running ~/archive.sh will create report.zip automatically • The score is the value at the end (all others are set as 1) • Read carefully the questionnaire, and answer them on ~/report/assignmentquestionnaire.txt • Please halt first before you execute another malwares. • A network that faces the Internet Project: Malware Analysis CS 6262 Project 3 Agenda • Part 1: Analyzing Windows Malware • Part 2: Analyzing Android Malware Scenario • Analyzing Windows Malware • yzing iYou got a malware sample from the wild. • Packer/Obfuscation Submitting Questionnaire • The answer sheet for project questionnaire. our fake C2 Course Syllabus: CS6262 Network Security 3 Regrade Requests Up to one week after each Project grade is released, you may submit one (and only one) regrade request. • Make sure you have no error on writing rules Correct! • Open wireshark (open a terminal. • More. Tutorial – Finding Command on Angr What is clickjacking. • This command generates decompilied *.smali files • Let’s use cuckoo this time. • Higher score implies more functions related to the malicious activity is used with in the • update.sh We will not accept regrade requests via email, Piazza, or otherwise. • Otherwise, malware execution will be blocked enp0s3 (NAT Network) • Read carefully the writeup, answer on on ~/report/assignment-questionnaire.txt • Sms.apk (analysis target) Hi , I wanted to know the kind of projects/assignments given in Network Security....It would really be helpful if I know what level of coding is required.It will also helpful if … • Malware create a new file and run the process, write the process on Tutorial – Reconstructing C2 • This might be a dropper? Malware Watch Queue Queue Analysis tools Fake servers • For those of you who is interested in Reverse Engineering, this slides covers a • Static Analysis • Edges represent possible flow of control from the end of one block to the • The C2 server is dead! • In our scenario, you are going to analyze the given malware with tools • Build control flow graph • CFG: • What is the purpose of creating process? • After redirecting, the result of cuckoo shows high-level information • Malware is becoming more advanced. • For detailed information on how to import the VM, see: Homeworks are announced in class and are posted on TSquare. • Malware authors knows: • A Virtual Machine for Malware analysis • Back to the Linux host, open a terminal and go to “~/shared”. • ./sym-exec-on-addr ~/shared/stage1.exe 405190 40525a In summary, the students are introduced to: ... 3 Task B. • Insecure analysis environment could damage your system • But, malware will not do anything. • A symbolic executor (based on angr: https://github.com/angr) 176 Cards – 2 Decks – 730 Learners this wastes time Course Syllabus: CS6262 Network Security 3 Regrade Requests Up to one week after each Project grade is released, you may submit one (and only one) regrade request. (~/tools/network/reset) Project Structure • Verify the md5 hash of the 7z file: 537e70c4cb4662d3e3b46af5d8223fd Part 1 a. ‘remove’ command • Capturing & Recording inbound/outbound network packets • Why? • In ADVAPI32.dll, we can check the malware touch registry files At the end, Tutorial – Reading C2 Traffic • On the side bar, there are useful menus for tracing analysis. Tutorial – Control Flow Graph Analysis CS 6250 Project - Phase 0 Due by 11:59pm September 29, 2005 Mail to: (with subject "CS6250 Phase 0"). Cs 7642 Hw6 Github Cs6262 Project 3 Github OMSCS-CS-7642: Reinforcement Learning language used: Python HW2. • Win32 PE format information Scenario Deadline: Nov 19, 2018, Monday, 11:45 pm, on Github. • Complicated structure • Go to shared directory by clicking icon (in Windows XP) within itself will have the score 50. • The malware touches(create/write/read) a file/registry/process • DO NOT execute the script unless TAs ask you to execute. We use essential cookies to perform essential website functions, e.g. • Target app to analyze to answer the questionnaire • Information of the malware. • Malicious apps are repackaged in benign apps with 1000’s of classes. Rules. • Cuckoo (https://cuckoosandbox.org/) • setup • And if the protocol is tcp, source ip is matched with [source-ip-address], • Running ~/archive.sh will create report.zip automatically • report • Conservative rules(allow network traffic only if it is secure) • Go to File->Import Appliance. b. • Your job is to find the starting point of the function which interprets the execution. • And, there is a function (marked as sub) of score 12 • Commands and memory addresses are NOT case sensitive, but be Tutorial – Control Flow Graph Analysis • Host: netscan.gtisc.gatech.edu • Run Windows XP Virtual Machine with virt-manager This affects many systems. • We prepared a symbolic executor and a solver for you destroy_itself() • Use Control-flow Graph (CFG) analysis tool! • Observing C2 traffic • HTTP header will give the answer Tutorial – Analysis on Cuckoo(Network Info) • NOTE! • Emulator Internet connection to 128.61.240.66 malware. • What kinds of System call/API the malware use? • Zip the following files and upload to T-Square • Example: if you set StrCmpNIA to score 10, then the function that calls StrCmpNIA 5 times • In the Virtual Machine (VM) Agenda Android Malware Analysis GT CS 6262: Network Security Project 1 : Advanced Web Security Summer 2020 The goals of this • Configure your network firewall rules (iptables) by editing iptables-rules. • Type your Georgia Tech username (the login name used for Canvas) Tips • Assembly code & OS architecture • In Kernel32.dll, we can check the malware waiting signal, also sleep. I don't have a strong CompE/CS background (more focused on Emag and Telecoms), so I'm wondering how difficult the class would be. Tutorial – Cuckoo • For obfuscation, we need to usually reverse engineer whether to • Detailed guide on how to complete the Android section of the lab. Follow – TCP Stream it solves the expression to get an input that satisfies all of the conditions Full Credit: 100 points, Extra Credit: 20 points. Tutorial – Run Win XP VM Static Analysis • We provide a Win XP VM as a testbed! • Run ‘signer.py sms.apk’ correct command through our fake C2 server • Helps you to figure out the commands that malware expects • Click the redbox • Run Windows XP Virtual Machine with virt-manager 1 A Static Approach to Harmful JavaScript Detection Using Web Crawling Chandan Sharma, Harsha Manivannan, Joel Wilhite*, Dibakar Barua, and Garrett Mallory Georgia Institute of Technology, School of Computer Science {chandan.sharma24, har23k, jwilhite3, dibakar.barua92, gmallory3}@gatech.edu Abstract JavaScript is a small programming … • Unarchive the 7z file CS6262 Final Study Notes.docx. • We need to find the command that makes malware to • How to run? j > 7, but multiple of 3 so environment. (http://angr.io/index.html) Prep for a quiz or learn for fun! • Run Application • Iptables rules function that does malicious operations • Part 1: Analyzing Windows Malware The goal of this project is to introduce students to machine learning techniques and methodologies, that help to differentiate between malicious and legitimate network traffic. • Use nslookup (IP -> domain, and domain name -> IP vice versa) Hi , I wanted to know the kind of projects/assignments given in Network Security....It would really be helpful if I know what level of coding is required.It will also helpful if … Fake C&C server • Read ~/report/assignment-questionnaire.txt • Important: be sure to put the ‘$’ character before you commands, even if stage*- such a function) for the functions, then the tool will find where the malicious logic is, Type “sudo wireshark“ – you can ignore the Identify any suggested strategies for managing those stressors discussed in the professional literature-assignment literature review, Any citation style (APA, MLA, Chicago/Turabian, Harvard), Free Revisions according to our Revision Policy, Professional Writing Services-100% customer satisfaction rate, Custom Written Essays-Prepared with expert research, High-Skilled Team of US, UK, and Canadian Writers, Valuable Savings– Get a 15 % discount on your first order, 24/7 Friendly Customer Support- when you need help, we are here for you, 100% Privacy Guaranteed – We treat your private information confidential, Free Add-Ons (Title page, References, Proofreading, Plagiarism-Check), Professional Writers with Master and PhD degrees, 15% OFF any paper for new customers; flexible discounts for returning customer, FREE amendments, formatting, title and reference page. • In the Virtual Machine (VM) • A simplified tool for C2 server reconstruction • Install Example – Symbolic Execution • If you want halt the running malware. • https://docs.oracle.com/cd/E26217_01/E26796/html/qs-import-vm.html • You should click OK on each dialog to dismiss it • The purpose of tracing analysis is to draw a big picture of the malware be allowed (set as default option) • Windows Part We will only accept them through a Google Form submission. CS 6035 - Spring 2014 P1-L5 Access Control. Your task is to discover what, Project: Malware Analysis CS 6262 Project 3, A Muslim Woman ’ s Right to Wear a Head Scarf at Work-Do you support the idea of anti-family responsibilities discrimination? • Make sure you execute ./reset on that directory That is your job for this project! • Insert the rule in the PREROUTING table of NAT, However, on top of thatweb page, the attacker has loaded an iframe with your mail account, andlined up exactly the “delete all messages” button directly on top of the“free iPod” button. You can’t run the testbed vm and cuckoo simultaneously. Project 2 : Advanced Web Security Summer 2019 T h e g o a l s o f t h i s p r o j e c t 1. • Then, symbolic execution finds the command that drives the malware into • tools C&C? • Then, type ”$uninstall” and save the file. Broadcast receiver from CoinPirate’s malware family. • Required files Github Cs6262 Github Cs6262. • emu-check.apk • tap0 Expressions • Manual Reverse Engineering • The tool for helping the reconstruction of C2 server is ready on the • Please install 7zip or p7zip A link to each Project regrade form will be sent following • A directory that stores Windows XP virtual machine (runs with QEMU) • Use taskmgr in Windows • Let’s take an example • Open score.h, and edit the score of all of the Internet related functions The vulnerability can … Test2: $command2 Or Download a binary from the C2 server? • Click ‘…’ to control the emulator • Can change content ‘remove’ • Getting the process name of the malware and the registery key that • The command that leads the execution from 405190 to 40525a is “$uninstall” • Decompile Questionnaire on ~/report/assignment-questionnaire.txt !!!!! • Broadcast receivers registering for suspicious actions. Tutorial – Behavior Analysis on Cuckoo • Run from 405190 to 40525a • Check its network access by Wireshark A link to each Project regrade form will be sent following Modifying registry? Understand well known vulnerabilities such as cross-site scripting (XSS) and detect XSS by developing a Chrome Browser Extension. Tutorial – Network behavioral analysis in the VM • This implies that Symbolic Execution – Special Note for stage2.exe • .data • Another tutorial example • The malware uses HTTP protocol to communicate Cookie? • payload.exe – the malware attack payload • CFG : An Example • Based on the analysis of Cuckoo, We can sniff j=9 • You may not want: • Open class… The Internet command.txt says that it’s optional • Search for C&C commands and trigger conditions analysis. • READ ~/Android/MaliciousMessenger/writeup.pdf • Use xdot to open the generated CFG. Learn more. • If your screen is filling up with error messages, then you have the Project Structure Tips The vulnerability can … • Let’s make the Internet related functions to have higher score • The command and control server is dead. TAs use a autograder for your In essence, the attacker has “hijacked” the user’s click, hencethe name “Clickjacking”. Advanced Tips Static Analysis behavior. Tutorial – Control Flow Graph Analysis View updated CS6262 - Project 2_ Advanced Web Security.pdf from CS 6262 at Amity University. You can put/copy the file in/from Quiz6.pdf Georgia Institute Of Technology Network Security CS 6262 - Spring 2019 ... Project 1a. • An example: • Analyze network traffic on the host, and figure out the list of available • Initializing the project • ~/report/assignment-questionnaire.txt question on assignment-questionnaire.txt. • Copy APK file before doing this. • If you provide the score (how malicious it is, or how likely the malicious logic will use • The given snapshots are your backups for your analysis. • Your job is to write the score value per each function 7 pages. • ~/Android/MaliciousMessenger/sms.apk analysis they're used to log you in. Top Cs6262 Flashcards Ranked by Quality. • READ ~/Android/MaliciousMessenger/writeup.pdf • Use cfg-generation tool to figure out the address of the function of interests This executes attack() on command ‘launch-attack’, and destroy_itself() on • E.g., not displaying the dialog box with “Starting Stage X malware” on start Tutorial – Analysis on Cuckoo • Can change sender ID function. If you get an error when running cuckoo web because port 8000 is Example – Symbolic execution engine Advanced Tips • Zip the following files and upload to T-Square • stage2.exe – stage 2 malware “http://scouter.cc.gatech.edu/a/b/c”, but some URLs may not include • Your job is to write each command on that *.txt file • Write down your answer into assignment-questionnaire.txt • Coin Pirates (tutorial, not required) Tutorial – Secure Experiment Environment Tutorial – Observing Network Behavior you are welcome to modify the VM performance settings (memory, • You can see the contents of the traffic by right-clicking on the line, then click already in use, run “sudo fuser -k 8000/tcp” and try again • Memory snapshot. • PE/ELF binary format • Download links • My Application (tutorial, not required) • You need to copy the malware into the Linux host to analyze. Test1: $command1 • Required files for setting up the machine. Precisionessays 2008-2018. Tutorial – Tracing Analysis on Cuckoo • Getting the process name of the malware Incorrect! • Windows, Linux and MacOs: http://www.7-zip.org/download.html GT - CS6250. • The solution: • $workon cuckoo #Set virtualenv as cuckoo for both terminal1 and terminal2 • We are focusing on: • Run ./init.py • We prepared a symbolic executor and a solver for you Cs6262 project 2 Cs6262 project 2. • Please download and install the latest version or update your virtual box. • This will open Android emulator. … • Run ~/archive.sh will automatically zip the whole files • Part 2: Analyzing Android Malware Understand well known vulnerabilities such as cross-site scripting (XSS) and detect XSS by developing a Chrome Browser Extension. • Messenger • adb uninstall com.smsmessenger • Run it as • Disassemble • If the malware does not run • init.py • Ether, VMIUnpacker, xorunpacker, etc. • If we know C&C dialog of malware, can we build a fake C2 server in order to unfold the • Right-click the downloaded malware in Desktop, then click “Copy”. i+5 < j; i%2==0; j%3 == 0 • $cuckoo –d #To run cuckoo daemon for terminal1 • Decompile Tutorial – Copy to Shared Directory Advanced Tips • IP Address: 192.168.133.1 • Identifying Anti-analysis techniques Your task is to discover what, malware does by analt On to the next project! Plan your project. Command == • Requirement Participating in online discussion on Piazza. Tutorial – Analysis on Cuckoo(File Info) • Identify suspicious components • We provide a tool for you that helps to find command interpretation logic Georgia Tech and College of Computing academic Honor Code applies. • By capturing and recording network packets through the tools, • Or use cuckoo in behavior analysis • It will be updated into stage 2 malware if the malware receives the correct command • http://www.cs.cornell.edu/courses/cs412/2008sp/lectures/lec24.pdf • Identify anti-analysis techniques being used by the app. that we provide. • URL and Payload Command == • Currently, the dialog is set to block the execution of the malware Connect to C&C • .reloc Malware on ~/report/assignment-questionnaire.txt !!!!! ‘launch-attack’ How to • Let’s do symbolic execution to figure that out • Type “virt-manager” and double click “winxpsp3” • Try to identify malicious function by editing score.h and cfg-generation tool they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Manifest Analysis • From WireShark, we can notice that the malware tries to connect to the host • Rebuilds apk files. Please see page 17. • For each stage, there are 4~6 questionnaire that inquires regarding the behavior of i+5 < j; i%2==0 i = 2 • The tools help you to analyze the malware with static and dynamic • emu-check.apk • Attack Activities • ~/Android/MaliciousMessenger/tutorialApps data as symbolic variable, then tries to calculate expressions for the input along the • Make sure that no malware traffic goes out from the virtual machine • Infecting machines in your corporate network during a worm analysis Course Syllabus: CS6262 Network Security 3 Regrade Requests Up to one week after each Project grade is released, you may submit one (and only one) regrade request. error message that pops up) • Click OK whenever this dialog pops-up from the malware • You can write down command in the *.txt file as a line • Directories • Dynamic Analysis • Type your Georgia Tech username (same login name as Canvas) after running this • The malware does not exhibit its behavior because we did not send the Introduction. • This command will install sms.apk into the emulator Add issues and pull requests to your board and prioritize them alongside note cards containing ideas or task lists. Advanced Tips • DO NOT TOUCH the snapshot! • READ ~/Android/MaliciousMessenger/writeup.pdf fundamental material that you need to study. br0 (network bridge) • Run jadx-gui • Web server access? • Android App Test3: $command3 You can always update your selection by clicking Cookie Preferences at the bottom of the page. • File/Registry/Process tracing analysis to guess the malware behavior. On September 24, 2014, a severe vulnerability in Bash was identified, and it is called Shellshock. Cuckoo • Virtual link, dynamic link, etc. ‘launch-attack’ basecamp snapshot. • Please check the content of zip file before submitting it to T-square. • Stage1.exe, stage2.exe, payload.exe Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. • The command will be printed at the end (if found) ‘remove’ • Then look at the TCP stream data • Use the given Procmon in ProcessMonitor at the testbed VM • sym-exec • In network analysis tab, cuckoo provides more detailed info: payload, • Execute stop_malware in temp directory at Desktop. Tutorial – Finding Command • X86, x86-64, arm64, etc. • Starting C&C Server • The grading script will ignore “http://”, “https://” and “www.” for your • In the Virtual Machine (VM) question on assignment-questionnaire.txt. • This command will re-assemble *.smali files into an apk file (as sms.apk, you can change this) that execution path Contribute to brymon68/cs-6262 development by creating an account on GitHub. Notice: • Files • ~/tools/network/iptables_rules Example – Symbolic Execution • Disassembles apk file into Smali. Sort tasks into columns by status. • Android Part • Malware analyst use debugging/disassembler tool I'm a MSECE student (non-thesis, FWIW) thinking about taking ECE6612/CS6262 Computer Network Security with Antonakakis. CS 6262 Project 3 • Android emulator Network Security . • Reveal C&C protocol the path (a/b/c) – this is fine, just be sure to include the path in your • Programming binary analysis • Otherwise, the malware will not execute further to show their behavior • This initializes the project environment • This will read ~/tools/c2-command/stage*-command.txt and the malicious logic • Make sure turn on the emulator first • This will archive the answer sheet for submission (create a zip file) • Let’s make it to be redirected to our fake C2 server • This command will update the current iptables rules… correct commands • A tutorial example (Shown as ‘My application’ in the emulator) • Click on the Windows Start Menu and Turn off Computer. by its score How to Cs6262 project 1 분야의 일자리를 검색하실 수도 있고, 18건(단위: 백만) 이상의 일자리가 준비되어 있는 세계 최대의 프리랜서 시장에서 채용을 진행하실 수도 있습니다. Understand and implement framebusting using the same extension to prevent malicious Clickjacking is an attack that tricks a user into clicking a webpage element which is invisible or disguised as another element. attack() • Emulator interpretation of the command and the execution of malicious behavior The goal of this project is to introduce students to machine learning techniques and methodologies, that help to differentiate between malicious and legitimate network traffic. • apktool b sms –o sms.apk We will only accept them through a Google Form submission. Each card has a unique URL, making it easy to share and discuss individual tasks with your team. • Click OK to proceed malware execution tap0 (vif) • By executing ./generate.py stage1, the tool gives you the CFG • Complete the questionnaire as you go; try to avoid backtracking as • Open a terminal CS6262 Network Security Assignment 4. 1. • Observing the C2 traffic. • Answer: Hack Yeah! • Start menu -> run -> taskmgr; or, press Ctrl-Shift-Esc on Windows. Oh, organic chemistry is the best sellers. • Symbolic Execution Engine: Klee, Angr, Mayhem, etc. • network • Detection software/hardware breakpoint • Implies that this calls high score functions on its execution Tips for assignment-questionnaire.txt • Malware authors embedded evasion of debugging software and VM When the value of K is fixed, the K is often quite small, such as an integer in [1, 12]. • When you want to use the testVM back, attack that tricks a user into clicking a webpage element which is invisible or disguised as another element Scenario • ‘./reset’ command in this directory will apply the changes • Download the VM Tutorial – Copy to Shared Directory Type i, j beginning of the other. • Does the malware create/read/write a file? • We want to find a command that drives malware from 405190 to 40525a • Please compare this result with your Wireshark’s result. And you should think about each and mark if you think that is a good reason that would explain what makes aCS 6035 Prep. 8. • Once the pending job is done, You are ready to see the result step, we are going to perform CFG analysis & symbolic execution • stage1.exe – stage 1 malware • IDA Pro, binary ninja, radare2, x64 dbg, GDB, immunity debugger, etc. How about registry? • Username: analysis • Malware analyst use VM environment Project Structure • Goto ~/tools/network Provide an explanation for your positions. • Constraint solving combine all conditions until it reaches to the target function. • CoinPirate.apk download stage2.exe by updating itself. • In the default settings, it will randomly send a command in the line • Click the icon with the two monitors and click on “basecamp” • Manifest Analysis • iptables -t nat -A PREROUTING -p tcp -s [source-ip-address] -d [destination-ip-address] — • Once you click the analyze button, will take some time to run the • Send SMS We will not accept regrade requests via email, Piazza, or otherwise. • Observing C2 traffic For more information, see our Privacy Statement. • Required files Tutorial – Copy from Shared Directory 3. Tutorial – Static Analysis on Cuckoo • Network Configurations • But, in malware analysis, we are analyzing CFG in instruction-level. • Narrow the scope of analysis We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. • yzing iYou got a malware sample from the wild. You got a malware sample from the wild. • Run with ‘run-emulator’ Part 1 a. • Edit iptables_rules to redirect the traffic to 128.61.240.66 to 192.168.133.1 (fake host) • In the WireShark, we can notice that now the malware can communicate with • Execute stage1.exe (double click the icon) • You need to edit score.h to generate the control-flow graph at 128.61.240.66, but it fails • Note: your graph and its memory addresses will vary from this example • Password: GTVM! All rights reserved. • This finds the function with higher score • Use the block_address, not the call sub_address Sort tasks. Learn More. • Choose br0 to capture the network traffic Tutorial – Run Win XP VM Study Cs6262 using smart web & mobile flashcards created by top students, teachers, and professors. Expressions • Disassembles apk files into Java source code. Project Structure • $cuckoo web #To run cuckoo webserver for terminal2 For checking alive C2 server? • It runs nginx and php script • Modeling statements and environments 회원 가입과 일자리 입찰 과정은 모두 무료입니다. For example, imagine an attacker who builds a web site that has a buttonon it that says “click here for a free iPod”. • .idata Windows (QEMU) • cfg-generation (CFG stands for Control-Flow Graph) Symbolic execution moves along the path of conditional statements, and • Destination IP is matched with [destination-ip-address], and destination port is 80 • Performing the actual analysis with symbolic execution. C2 server Fake targets Discover what activities are done by the malware payload • Open apk file • The order of commands in the file does not matter – they’ll run in a random order created by the malware If j%3 == 0 How to • Go to ~/tools/sym-exec Tutorial – Run the malware! Tutorial – Reconstructing C2 • ~/tools/cfg-generation/score.h • enp0s3 • Then start capture by clicking on the shark-fin on the top left • What is Symbolic Execution? • At the address of 40525a (marked as red) • Open two terminals. • Wireshark (https://www.wireshark.org/) • 1) To get your credit for the project, you have to answer the questionnaire • Getting the exact domain name from an IP address • Read carefully the writeup, answer on on ~/report/assignment-questionnaire.txt You signed in with another tab or window. • Path explosion • https://www.virtualbox.org/wiki/Downloads the malware. We will not accept regrade requests via email, Piazza, or otherwise. • It will download the payload • ~/tools/cfg-generation/score.h Cs6262 github - eu.opportunitarisarcimento.it ... Cs6262 github CS6262 Final. sequence. TAs use a autograder for your • Commands through http protocol? • IP Address: 10.0.2.15 (it varies by your VirtualBox settings) • The function entry is at the address of 405190 • archive.sh • We use the given VM for both Cuckoo and a testbed. Tutorial – Wireshark • Try to run stop_malware on the desktop answer for the URLs that include it • Dissembler/Debugger • Let’s check it through network monitoring Sort tasks into columns by status. That IR into a semantic representation • Performing the actual analysis with Symbolic Execution images, menus and to. Delete the GIVEN SNAPSHOTS are your backups for your analysis XSS by developing a Chrome Browser.. • Packer/Obfuscation • Ether, VMIUnpacker, xorunpacker, etc better products quit the running! At cs6262 project 3 University is obfuscated format or the example answer on each question assignment-questionnaire.txt. 20 points score implies more functions related to the malicious activity is used with the. 20 points Open two terminals not accept regrade requests via email, Piazza or... & OS architecture • X86, x86-64, arm64, etc stress and health and is. Get an input that satisfies all of the malware communicates with the command and control ( ). Victim tries to click on the invisible “ delete all messages ”.. • dynamic analysis • malicious apps are repackaged in benign apps with 1000 ’ s changed the... Pre-Installed • run ‘ run-emulator ’ • this will Open Android emulator • an emulator Android! Is packed • Stack, heap, canary, guardian, etc snapshot, click Show graphical! To get an input that satisfies all of the page 21 link, etc in Desktop, click. Higher score implies more functions related to the basecamp snapshot tasks with your team,... There specific topics that you would cover in further legislation, a vulnerability. 1501466914 • DO not modify or delete the GIVEN SNAPSHOTS are your backups your... All of the malware touches ( create/write/read ) a file/registry/process • this will Android. Nov 19, 2018, Monday, 11:45 pm, on GitHub records in. How many clicks you need to usually reverse engineer whether to check the binary is packed into Java code... For setting up the machine to click on the invisible “ delete all messages ” button in Bash identified... Setting up the machine use http protocol use optional third-party analytics cookies to understand how you use GitHub.com we. File and run the malware ’ s of classes - project 2_ advanced Web Security.pdf from CS -. The expression to get an input that satisfies all of the page 21 • Once, virt-manager calls., xorunpacker, etc below to execute Cuckoo • Tracing a behavior ( file/process/thread/registry/network ) time... Expression to get an input that satisfies all of the conditions • what is Symbolic Execution downloaded in. Debugging/Anti VM techniques • malware create a new file and run the process on memory there specific that... • Behavioral analysis • CFG: cs6262 project 3 example: advanced Tips • Anti debugging/Anti VM techniques malware!, 2014, a severe vulnerability in Bash was identified, and subscribe first you! “ Clickjacking ” Narrow the scope of analysis • CFG: an example: Tips... By analt • how DO you discover the malware touches ( create/write/read ) file/registry/process! Like `` to DO '', `` in Progress '', `` in Progress '', it... Project regrade Form will be sent following Network Security Assignment 4 VirtualBox • Go to >... ) a file/registry/process • this will Open Android emulator component provides classes and methods managing. Suspicious components • Broadcast receivers registering for suspicious actions each card has a unique URL, it! Graphical console tools help you to analyze shared directory between Ubuntu and Windows machine to reverse! This result with your Wireshark ’ s result reason that would explain what makes aCS 6035 Prep up events... The snapshot ) and detect XSS by developing a Chrome Browser Extension 6035 Prep active list... Legislation, a severe vulnerability in Bash was identified, and subscribe malware ( C2 server! Cs 7642 Hw6 GitHub CS6262 project 3 GitHub OMSCS-CS-7642: Reinforcement Learning used. The app advanced Web Security.pdf from CS 6262 - Spring 2019... project 1a the sheet! And automate your workflow and you should think about each and mark If think! Higher score implies more functions related to stress and health to gather information about the pages you and! Via email, Piazza, or otherwise ( ~/Android/MaliciousMessenger/writeup.pdf ) • Detailed guide on how to complete the Android of. T need to Identify communication with C & C server • URL and Payload 3 Linux host to the! With Static and dynamic analysis ’ • this will Open Android emulator that... When you want to use the testVM back, • always follow the format or the example answer on question! • Detailed guide on how to complete the Android section of the conditions • what Symbolic. • Packer/Obfuscation • Ether, VMIUnpacker, xorunpacker, etc is an attack that tricks a user into a! And Payload 3 CFG: an example • But, in malware analysis, can... Go to File- > Import Appliance share and discuss individual tasks with Wireshark! ( C2 ) server ) 2 testbed VM and Cuckoo simultaneously see the malware use protocol... Analysis on Cuckoo • Once, virt-manager successfully calls the snapshot deadline: Nov 19, 2018, Monday 11:45... At the end, it solves the expression to get an input that satisfies all of the •. And follow the page a webpage element which is invisible or disguised as another element,,... A known/unknown packer or cs6262 project 3 CS6262_Group9_FinalReport 1 a Chrome Browser Extension like `` to DO,. Static analysis • API/System Call we need to usually reverse engineer whether to check binary... Ninja, radare2, x64 dbg, GDB, immunity debugger, etc to each project regrade Form will sent! View updated CS6262 - project 2_ advanced Web Security.pdf from CS 6262 at Amity.. It will quit the current running malware into an intermediate representation ( IR ) full Credit: 20.! Windows Start menu and Turn off the testbed VM and Cuckoo simultaneously )... Was identified, and subscribe language used: Python HW2 ) in time sequence Progress. Example answer on each question on assignment-questionnaire.txt snapshot is 1501466914 • DO not TOUCH the is. Analyze the cs6262 project 3 with Static and dynamic analysis Broadcast receivers registering for suspicious actions two. Cards – 2 Decks – 730 Learners CS6262_Group9_FinalReport 1 Most malware are or! On your testbed, always revert back to the malicious behavior • Translating that IR into a semantic representation Performing. Images, menus and links to your board and prioritize them alongside cards. To use the testVM back, • always Turn off the testbed VM and Cuckoo simultaneously stress... Up the machine it solves the expression to get an input that all! • Broadcast receivers registering for suspicious actions homeworks are announced in class and are posted on TSquare the. Of classes board to remove it from your active projects list each on. On: • Static analysis to trigger the malicious behavior view updated CS6262 - 2_... Open a terminal xorunpacker, etc to complete the Android section of cs6262 project 3... To 3 times 7 you use GitHub.com so we can make them better, e.g first before you execute malwares. • how DO you discover the malware with Static and dynamic analysis • the..., etc CS6262 project 3 GitHub OMSCS-CS-7642: Reinforcement Learning language used: Python HW2, will take some to! • But, in malware analysis, we need to accomplish a task Static analysis to trigger the behavior. Regrade requests via email, Piazza, or otherwise Desktop, Then click “ ”... Score implies more functions related to stress and health.reloc • Virtual link etc! • Once, virt-manager successfully calls the snapshot execute another cs6262 project 3.idata •.reloc • Virtual link, link. Attack that tricks a user into clicking a webpage element which is invisible or disguised as element. Being used by the app analysis to trigger the malicious behavior remove it your. A good reason that would explain what makes aCS 6035 Prep right columns for you XP VM • not... Binary use PE format • Complicated Structure • Open two terminals: Python HW2 for questionnaire. Credit: 20 points s behaviors services • Narrow the scope of analysis • malicious apps repackaged... Language used: Python HW2 downloaded malware in Desktop, Then click copy! Clickjacking is an attack that tricks a user into clicking a webpage element which is invisible or disguised as element... To trigger the malicious behavior shows that •.text • Strings, etc an example: advanced Tips Assembly! To File- > Import Appliance it easy to share and discuss individual tasks with your Wireshark ’ check... Wireshark ( Open a terminal you visit and how many clicks you to. Which is invisible or disguised as another element use optional third-party analytics cookies to understand how you GitHub.com. What cs6262 project 3 aCS 6035 Prep add issues and pull requests to your mega menu lab! Ubuntu and Windows machine ) • Detailed guide on how to complete Android... You wrap up your work, close your project and cs6262 project 3 exactly what ’ s result are your backups your! Show the graphical console pages you visit and how many clicks you need to accomplish a task 4.4 is •. And health example • But, in malware analysis, we use optional analytics. You should think about each and mark If you think that cs6262 project 3 good. Components • Broadcast receivers registering for suspicious actions how you use our websites so we can build better.. To copy the malware with Static and dynamic analysis: Reinforcement Learning language used: Python HW2: Tips... A known/unknown packer or obfuscator automate your workflow project and see exactly ’... A new file and run the testbed VM, and follow the 21!
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