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cyber (Beta)

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- at Quiz sobre cyber (Beta), criado por хомяк убийца em 10-12-2017.
хомяк убийца
Quiz por хомяк убийца, atualizado more than 1 year ago
хомяк убийца
Criado por хомяк убийца quase 7 anos atrás
651
8
1

Resumo de Recurso

Questão 1

Questão
Define foot printing
Responda
  • Find out more about structure of target
  • Find out individual computers of target
  • Involves relatively high amount of manual work
  • Check if target candidates are actual alive and reachable

Questão 2

Questão
Into which classes are instructions grouped
Responda
  • Load/Store
  • Loops
  • Continuation
  • Comparison
  • Arithmetic

Questão 3

Questão
Define a verification in reconnaissance
Responda
  • Find out more about structure of target
  • Find out individual computers of target
  • Involves relatively high amount of manual work
  • Check if target candidates are actual alive and reachable

Questão 4

Questão
Define a command injection
Responda
  • An injection attack wherein an attacker can execute malicious SQL statements
  • A type of computer security vulnerability typically found in web application
  • An attack in which the goals is execution of arbitrary commands on the host operating system via a vulnerable application

Questão 5

Questão
Define OWASP
Responda
  • Open Web Application Security Program
  • Open Wide Application Security Program
  • Open Wide Application Security Project
  • Open Web Application Security Project

Questão 6

Questão
When command injection is possible
Responda
  • User input is either incorrectly filtered for string literal for escape characters embedded in SQL statement or user input is not strongly typed and unexpected executed
  • An application passes unsafe user supplied data (forms, cookies, HTTP headers and etc.) to a system shell
  • Relies on Social Engineering in order to trick the victim into executing malicious JavaScript code into their browser

Questão 7

Questão
How does an interpreter work?
Responda
  • Translate source code into some efficient intermediate representation and immediate executes this
  • Describes sequences of executable instructions that do not necessarily constitute an executable file
  • Transforms source code written in a programming language into another computer language
  • Parse the source code and perfom its behavior directly

Questão 8

Questão
Find an appropriate types of interpreters
Responda
  • Matlab
  • Bash
  • Ruby
  • Python

Questão 9

Questão
What does register “rip” store?
Responda
  • Condition flags
  • Program counter
  • Frame pointer
  • Stack pointer

Questão 10

Questão
Which of the following GDB commands puts breakpoints at the beginning of the program?
Responda
  • b N
  • b +N
  • b main
  • into break

Questão 11

Questão
Which of the following GDB commands puts breakpoint N lines down from the current line ?
Responda
  • N
  • fn
  • +N

Questão 12

Questão
Dissasembling
Responda
  • Preservers a symbol table entity
  • The process of recovering assembly from machine code
  • The process of deallocating arguments on the stack
  • All of the above

Questão 13

Questão
Callee:
Responda
  • all of the above
  • procedure invoked by another function
  • code that invokes a procedure
  • deallocates arguments on stack after return

Questão 14

Questão
Caller:
Responda
  • registers that must not be clobbered
  • procedure invoked by another function
  • code that invokes a procedure
  • none of the above

Questão 15

Questão
Give the description of Mem(rsp)?Succ(rip)
Responda
  • store successor
  • pop successor into rip
  • jump to address
  • jump to successor

Questão 16

Questão
Distinction between jumps and calls
Responda
  • there is no destinction between jumps and calls
  • jumps simply transfer control with no side effects, calls used to implement procedures
  • jumps used to implement procedures, calls simply transfer control with side effects
  • jumps simply transfer control with side effects, calls used to implement transfers

Questão 17

Questão
Distinction between direct and indirect transfers
Responda
  • direct transfers use relative offsets, indirect transfers are absolute
  • direct transfers are absolute, indirect transfers use relative offsets
  • direct transfers use fixed offsets, indirect transfers are not absolute
  • direct transfers are not absolute, indirect transfers use fixed offsets

Questão 18

Questão
Standards (calling conventions) exist for:
Responda
  • none of the above
  • specify the caller and callee’s responsibilities
  • all of the above
  • specify where arguments are passed (registers, stack)

Questão 19

Questão
Select all possible ways to protect the stack
Responda
  • stack canaries
  • memory safe languages, such as Java, C#
  • using strcpy instead of stcncpy
  • address space layout randomization
  • non-executable flag

Questão 20

Questão
What are requirements of stack canaries (i.e. cookies)?
Responda
  • Large domain
  • Small domain
  • Randomness
  • Replicativeness

Questão 21

Questão
Which one of the following is true abot UID key?
Responda
  • Derived from user passcode
  • Prevents offline attacks
  • Can only be used while the phone is running
  • Ensures passcode key is unique for different devices even if passcode is the same

Questão 22

Questão
What of the following is false for provisioning?
Responda
  • Device allows apps signed by owner’s key to run according to the installed profile
  • Apple signs a provisioning profile that references developer certs
  • Users install provisioning profile
  • Apple signs certificates provided by developers

Questão 23

Questão
Which of the following refers to Android components?
Responda
  • ContentProvider
  • Activity
  • Service
  • BroadcastReceiver

Questão 24

Questão
How many Android malware categories are represented?
Responda
  • 2
  • 3
  • 4
  • 5
  • 6

Questão 25

Questão
Which of the following is right about mobile devices challenges?
Responda
  • Limited user input capabilities
  • Mobile devices are at lower risk of confidentiality breachesv
  • Difficult to perform pre-boot authentication
  • Difficult to lose or steal a phone than a desktop

Questão 26

Questão
Define PBKDF2
Responda
  • Password-Based Key Demonstration Function
  • Password-Based Key Derivation Function
  • Password-Based Key Derivation Formula
  • Password-Based Key DemonstrationFunction (реально там так)

Questão 27

Questão
What are the challenges that mobile devices present?
Responda
  • Unlimited user input capabilities
  • Difficult to perform pre-boot authentication
  • Uses touch-screen instead of keyboards

Questão 28

Questão
Select all of iOS Data Protection classes
Responda
  • File is protected, only accessible when device unlocked
  • File is not protected
  • File is protected, accessible after device unlocked
  • File is protected until user passcode entered

Questão 29

Questão
Select all libc’s unsafe function that was removed in bionic.
Responda
  • strcpy
  • strncpy
  • gets
  • strcat

Questão 30

Questão
When code signature of capabilities is validated in iOS?
Responda
  • during kill
  • during installation
  • during start up
  • at run time

Questão 31

Questão
Why do we carry about Web Applications Security? Choose all that apply.
Responda
  • Logs can be easily deleted
  • Widely deployed
  • Easy to detect
  • No encryption used

Questão 32

Questão
OWASP is community dedicated to enabling organizations to maintain applications that can be trusted and stands for:
Responda
  • Open Web Application Security Project
  • Online Web Application Security Project
  • Online Web Application Security Principles
  • Open Web Application Security Principles
  • Open Web Application Standards Project

Questão 33

Questão
Application authentication functions are often not implemented correctly, allowing attackers to compromise passwords, keys, or session tokens, or to exploit other implementation flaws to assume other users’ identities.
Responda
  • Injection
  • Cross-Site Request Forgery (CSRF)
  • Using Components with Known Vulnerabilities
  • Cross-Site Scripting (XSS)
  • Broken Authentication and Session Management

Questão 34

Questão
This attack occurs when a developer exposes a reference to an internal implementation object, such as a file, directory, or database key.
Responda
  • Sensitive Data Exposure
  • Insecure Direct Object References
  • Unvalidated Redirects and Forwards
  • Injection
  • Missing Function Level Access Control

Questão 35

Questão
If a vulnerable library, framework, or any other software is exploited, such an attack can facilitate serious data loss or server takeover.
Responda
  • Sensitive Data Exposure
  • Using Components with known vulnerabilities
  • Unvalidated Redirects and Forwards
  • Missing Function Level Access Control
  • Insecure Direct Object References

Questão 36

Questão
Assume that your Web application stores information about many bank accounts. Which threat is your application vulnerable to if you can manipulate the URL of an account page to access all accounts?
Responda
  • Insecure Direct Object Reference
  • Cross-site scripting
  • Cross-Site Request Forgery
  • Injection
  • Unvalidated Redirects and Forwards

Questão 37

Questão
Which of the following input sources can be directly controlled by a malicious user?
Responda
  • GET/POST parameters
  • Window.location
  • Server code
  • Server configuration files
  • Ports

Questão 38

Questão
What should you do before passing credentials over the network?
Responda
  • Use Secure Socket Layer Connection
  • Replace the credentials with a cryptographic salt and hash
  • Share the credentials with the client
  • Accept session IDs from URLs
  • Use persistent cookies to manage session IDs

Questão 39

Questão
What is an interpreter?
Responda
  • a computer program that compiles executions, instructions
  • a computer program that directly executes, i.e. performs, instructions written in a human language, without previously compiling them into a machine language program
  • a computer program that directly executes, performs, instructions written in a programming or scripting language, without previously compiling them into a machine language program
  • a computer program that directly executes, performs, instructions written in a programming or scripting language after compiling them into a machine language program

Questão 40

Questão
Reconnaissance methods are
Responda
  • Intelligence gathering
  • Finger printing
  • Verification
  • Banner grabbing

Questão 41

Questão
Which phase of reconnaissance is important so that if you make mistake in this phase you may never find vulnerable part of system
Responda
  • Intelligence Gathering
  • Fingerprinting
  • Banner grabbing
  • Verification
  • Footprinting

Questão 42

Questão
It is known that core principle of port scanning is : send packet and then check the response During SYN scan what response implies that port is open
Responda
  • ACK
  • SYN
  • RST

Questão 43

Questão
Many eCommerce businesses utilize third party payment provides to store credit card information for recurring billing. This offloads the burden of keeping credit card numbers safe. It correspond to the following rule:
Responda
  • Use strong approved Authenticated Encryption
  • Only store sensitive data that you need
  • Follow applicable regulation on use of cryptography
  • Ensure that any secret key is protected from unauthorized access

Questão 44

Questão
How to prevent “Sensitive Data Exposure”
Responda
  • Enable caching for pages that contain sensitive data
  • Restrict character set used for password
  • Enable autocomplete on forms collecting sensitive data
  • Don’t store sensitive data unnecessarily

Questão 45

Questão
Storage encryption should add additional layer of protection that will continue protecting the data even if an attacker subverts the database access control layer . It corresponds to the following rule
Responda
  • Ensure that any secret key is protected from unauthorized access
  • Follow applicable regulation on use of cryptography
  • Ensure that the cryptographic protection remains secaure even if access control fail
  • Use strong approved Authenticated Encryption

Questão 46

Questão
What is defined by key lifecycle?
Responda
  • The lifecycle will specify when data must be rekeyed
  • The lifecycle will specify when a key should no longer be use for decryption
  • The lifecycle will specify when a key should no longer be use for encryption
  • All of them

Questão 47

Questão
A site simply doesn’t use SSL for all authenticated pages. Attacker simply monitor network traffic (like an open wireless network) and steals the user’s session cookie. Attacker then replays this cookie and hijacks the user’s session, accessing the user private data. This scenario of attack belongs to
Responda
  • Injection
  • Cross-Site Request Forgery CSRF
  • Sensitive Data Exposure
  • Cross Site Scripting XSS

Questão 48

Questão
The password database uses unsalted hashes to store everyone’s password. A file upload flaw allows an attacker to retrieve the password file. All of the unsalted hashes can be exposed with a rainbow table of precalculated hashes. This scenario of attack belongs to
Responda
  • Cross Site Scripting
  • Injection
  • Cross-Site Request Forgery
  • Sensitive Data Exposure

Questão 49

Questão
Web application is vulnerable to ‘Sensetive Data Exposure ’ if:
Responda
  • Proper key management or rotation missing
  • All of them
  • Browser security directives or headers missing when sensitive data is provided by /sent to the browser
  • Sensitive data transmitted in clear text, internally or externally

Questão 50

Questão
Which statements are the part of DML in SQL?
Responda
  • DELETE
  • INSERT
  • SELECT
  • CREATE
  • DROPE

Questão 51

Questão
what are the most popular things to attacker can do stack vulnerability ?
Responda
  • Change the control flow of the program
  • Report the bag to a developer of the program
  • Overflows the stack to throw segmentation fault
  • Rewrite the program variable values
  • Inject a new functionality to the program

Questão 52

Questão
Low level languages like C/C++ are no memory-safe .Which of the following statements is true: Programmers can directly manipulate pointers Memory accesses are not bounds-checked for validity
Responda
  • none of them
  • both of them
  • only 2
  • only 1

Questão 53

Questão
What are the potential targets of stack overwrite attack? User data Instruction pointers Frame pointers
Responda
  • all of them
  • only 1 and 3
  • only 1 and 2

Questão 54

Questão
What are requirements for running payload in the stack ? Payload should not contain ZEROS Stack should be non – executable Playload size should be smaller than buffer size
Responda
  • 1, 2
  • 1,3
  • 1
  • all

Questão 55

Questão
What are the potential targets of stack overwrite attack ?
Responda
  • User data
  • Instration pointer
  • Procedure arguments
  • Frame pointers

Questão 56

Questão
What are requirements for running payload in the stack ?
Responda
  • Payload size should be smaller than buffer size
  • Stack should be non-executable
  • Payload should use libc library
  • Payload should not contain ZEROS

Questão 57

Questão
Which of the following does not refer to the OWASP?
Responda
  • Unvalidated Redirects and Forwards
  • Sensitive Data Exposure
  • Cross – Site Request Forgery
  • Using Unknown Vulnerable Components

Questão 58

Questão
Which of the following provides API for accessing browser state and frame content?
Responda
  • Document Object Model
  • Structured Query Language
  • JavaScript Object Notation
  • ActionScript
  • JavaScript

Questão 59

Questão
What are the ways insert JavaScript code into HTML page? Select all that apply
Responda
  • Embedded
  • Inline
  • External

Questão 60

Questão
What kind of protection mechanisms exist against XSS attack?
Responda
  • HttpOnly
  • Secure Socket Layer (SSL)
  • Output Sanitization
  • Firewall
  • Input Validation

Questão 61

Questão
When and by whom proposed stack cookies?
Responda
  • Cowan, 1996
  • Cowan, 1998
  • Vaughan, 1998

Questão 62

Questão
Which of the following refers to defenses for memory corruption
Responda
  • Stack canaries
  • Safer libc functions
  • Random canaries
  • Heap canaries

Questão 63

Questão
Which of the following properties are required in stack cookies?
Responda
  • Random
  • Large domain
  • Sequence
  • Small domain

Questão 64

Questão
If attackers cannot inject an executable exploit payload, what does one do?
Responda
  • Jump-oriented programming
  • Return-oriented programming
  • Reuse existing code
  • Return-into-libc

Questão 65

Questão
What is the purpose of using ASLR?
Responda
  • Recognize the names of the addresses
  • Recognize the locations of the addresses
  • Randomize the locations of the addresses
  • Randomize the names of the addresses

Questão 66

Questão
Define ASLR
Responda
  • Address security layout randomization
  • Address space layout randomization
  • Application space layer randomization
  • Application space layout randomization

Questão 67

Questão
Which of the following is true about ASLR?
Responda
  • Transparent to safe applications
  • Very little overhead
  • Requires program recompilation
  • Randomizing at process creatin

Questão 68

Questão
Which of the following idea about stack cookies proposed by Cowan?
Responda
  • Before returning, check the value against the original
  • Guard sensitive data, including the saved IP, with a copy of a secret value
  • If there is a difference, assume something bad has happened and terminate
  • If there is a difference, assume something good has happened and terminate

Questão 69

Questão
Which of the following does not refer to the cryptographic storage rules?
Responda
  • Store a one-way and salted value of passwords
  • Save all your data
  • Use strong approved Authenticated Encryption
  • Ensure that any secret key is protected from unauthorized access

Questão 70

Questão
How many types of XSS exist?
Responda
  • 1
  • 2
  • 3
  • 4

Questão 71

Questão
Which of the following type does not refer to XSS?
Responda
  • Reflected
  • Stored
  • MOM based
  • DOM based

Questão 72

Questão
Define reflected XSS
Responda
  • Attacker submits malicious code to server
  • Code included in page rendered by visiting link
  • Victim accesses page that includes stored, injected code
  • App (server-side) persists code

Questão 73

Questão
Which of the following is false about stored XSS?
Responda
  • Attacker submits malicious code to server
  • Code included in page rendered by visiting link
  • Victim accesses page that includes stored, injected code
  • App (server-side) persists code

Questão 74

Questão
Which of the following does not refer to protection against XSS attacks?
Responda
  • Procedure integrity
  • Output Sanitization
  • XSS Filter
  • HTTP Only

Questão 75

Questão
How many classes exist in document integrity
Responda
  • 1
  • 2
  • 3
  • 4

Questão 76

Questão
A direct object reference occurs when a developer exposes a reference to
Responda
  • Internal implementation object
  • File
  • Directory
  • Database key

Questão 77

Questão
Even “secure” websites that use SSL just accept the requests that arrive through the encrypted tunnel without security
Responda
  • True
  • False

Questão 78

Questão
If the parameters are under control of the user and are not properly sanitized, the user can inject its own commands in the interpreter
Responda
  • True
  • False

Questão 79

Questão
Injection flaws occur when an application send trusted data to an interpreter
Responda
  • True
  • False

Questão 80

Questão
A direct object reference occurs when a developer exposes a reference to an internal implementation object, such as a file, directory, or database key
Responda
  • True
  • False

Questão 81

Questão
Injection flaws occur when an application send untrusted data to an interpreter
Responda
  • True
  • False

Questão 82

Questão
Injection flaws occur when an application send untrusted data to an compiler
Responda
  • True
  • False

Questão 83

Questão
Is the following statement true about Insecure Direct Object Reference “With an access control check or other protection, attackers can manipulate these references to access unauthorized data.”
Responda
  • True
  • False

Questão 84

Questão
Is the given statement true about Missing Function Level Access Control “Applications need to perform the same access control checks on the server when each function is accessed”
Responda
  • True
  • False

Questão 85

Questão
Stack grows downwards. Stack is data segment for function-local data, dynamic data and text data.
Responda
  • True
  • False

Questão 86

Questão
Memory can distinguish between different types of variable by using flags
Responda
  • True
  • False

Questão 87

Questão
Compilers translate code from a higher level to a lower level
Responda
  • True
  • False

Questão 88

Questão
Control transfers change control flow of programs
Responda
  • True
  • False

Questão 89

Questão
Marking the stack with non-executable flag prevents from all types of stack attack
Responda
  • True
  • False

Questão 90

Questão
Protecting stack with canary may leak sensitive information
Responda
  • True
  • False

Questão 91

Questão
Mobile devices are at a lower risk of confidentiality breaches
Responda
  • True
  • False

Questão 92

Questão
Mobile devices present unique challenges
Responda
  • True
  • False

Questão 93

Questão
iOS provides an API for encrypting stored files
Responda
  • True
  • False

Questão 94

Questão
Device ID (UID) in iphone can be used when phone is turned off.
Responda
  • True
  • False

Questão 95

Questão
Brute Force mitigations that are implemented on UI can not be escaped
Responda
  • True
  • False

Questão 96

Questão
It is possible to dynamically sign the code in IOS
Responda
  • True
  • False

Questão 97

Questão
When implementing an authentication or session system, you should ensure that new session IDs are not created at login
Responda
  • True
  • False

Questão 98

Questão
It is possible to run operating system shell command inside web site
Responda
  • True
  • False

Questão 99

Questão
Recursive sweep begins at an address and continues sequentially until the buffer exhausted
Responda
  • True
  • False

Questão 100

Questão
Developers can protect the web application by filtering out malicious input
Responda
  • True
  • False

Questão 101

Questão
Verification phase during reconnaissance involve high amount of manual work
Responda
  • True
  • False

Questão 102

Questão
Zone transfer is about copying original DNS data to different DNS Server
Responda
  • True
  • False

Questão 103

Questão
strcpy() performs no bounds-checking, relying instead on finding a terminating null character in the source string
Responda
  • True
  • False

Questão 104

Questão
If the keys are stored with the data then any compromise of the data will easily compromise the keys as well. Unencrypted keys should never reside on the same machine or cluster as the data.
Responda
  • True
  • False

Questão 105

Questão
SQL DML is used to manipulate with records in tables
Responda
  • True
  • False

Questão 106

Questão
It is possible to protect web application from SQL injection by filtering out single and double quotes
Responda
  • True
  • False

Questão 107

Questão
It is not possible to inject complex SQL statements as a part of an attack, except SELECT statements
Responda
  • True
  • False

Questão 108

Questão
NOP sled is special instruction which tells the OS that the program has payload, and it should directly run it.
Responda
  • True
  • False

Questão 109

Questão
It is not possible to inject new code to the stack
Responda
  • True
  • False

Questão 110

Questão
JavaScript use strongly type primitives to provide basic functionality
Responda
  • True
  • False

Questão 111

Questão
Cross Site Scripting attack is the result of running code from untrusted origin
Responda
  • True
  • False

Questão 112

Questão
Is the given statement true about non – executable data? If the attacker can assume control flow but cannot execute a payload, attacks become more difficult
Responda
  • True
  • False

Questão 113

Questão
Is the following statement true about Instruction Set Randomization? Does not require a large degree of support from underlying layers
Responda
  • True
  • False

Questão 114

Questão
Is the given statement true about XSS “running code from a trusted origin”
Responda
  • True
  • False

Questão 115

Questão
In reflected XSS the code is included as a part of malicious link
Responda
  • True
  • False

Questão 116

Questão
Is the given statement true about HTTPOnly attribute “Specifies that cookie should be exposed via document cookie”?
Responda
  • True
  • False

Questão 117

Questão
Command injection is an attack in which the goal is execution of arbitrary commands on the host operating system via a vulnerable application
Responda
  • True
  • False

Questão 118

Questão
Intelligence Gathering involves relatively high amount of manual work
Responda
  • True
  • False

Questão 119

Questão
1Which functions are mostly vulnerable to stack overflow attacks
Responda
  • Strcat()
  • Strcpy()
  • Gets()
  • Scanf()

Questão 120

Questão
What will be result, if we ‘print “a”x300;’ for the given code? int main(int argc, char ** argv){ char buf[256]; strcpy(buf,argv[1]); printf(“%s\n”, buf); return 0;}
Responda
  • Error
  • 0
  • Ax300 times
  • Ax256 times, 0x44 times

Questão 121

Questão
The consequences of arbitrary code execution
Responda
  • a. Nothing happens
  • b. Can obtain administrative privileges
  • c. Privilege escalation
  • d. The attacker is able to take control of the execution flow of a program

Questão 122

Questão
What is a buffer
Responda
  • a. A situation where a running program attempts to write data outside the memory buffer which is not intended to store this data
  • b. A buffer is simply a contiguous block of computer memory that holds multiple instances of the same data type
  • c. Portion of the memory allocated for storage programs such as variables
  • d. The program that wants to overwrite the memory

Questão 123

Questão
Why does stack overflow attack occur?
Responda
  • a. Programmers can directly manipulate pointers
  • b. Memory accesses are checked
  • c. Memory accesses are not bounds-checked for validity
  • d. Programmers cannot directly manipulate pointers

Questão 124

Questão
When the stack overflow attack is introduced?
Responda
  • 1970
  • 1980
  • 1989
  • 1978

Questão 125

Questão
Which is not going to be randomized in ASLR
Responda
  • a. Library
  • b. Text
  • c. Heap
  • d. Stack

Questão 126

Questão
18. Which is going to be randomized in ASLR?
Responda
  • a. Library
  • d. Stack
  • b. Text
  • c. Heap

Questão 127

Questão
Why the stack canary is the effective of protecting from overflow attack?
Responda
  • a. Canary stack has to check variables
  • b. Stack canary might be reused
  • c. Stack canary is the constant value
  • d. Canary stack corrupts the executed code, then instruction will have an ability to set to the next

Questão 128

Questão
How many types of attack exist?
Responda
  • 2
  • 3
  • 4
  • 5

Questão 129

Questão
Define an active attack?
Responda
  • a. The attacker can monitor and can do recognition of the target
  • b. The Attacker attempts to alter system resources or destroy the data
  • c. The Attacker attempts to gain information from the system without destroying the information
  • d. The Attacker can change the data

Questão 130

Questão
Define a passive attack
Responda
  • a. The Attacker attempts to gain information from the system without destroying the information
  • b. The Attacker can change the data
  • d. The Attacker attempts to alter system resources or destroy the data
  • c. The attacker can monitor and can do recognition of the target

Questão 131

Questão
Which of the following attacks refer to the active attack?
Responda
  • a. Overflow
  • DoS
  • b. Man in the middle attack
  • c. Eavesdropping

Questão 132

Questão
Which of the following attacks refer to the passive attack?
Responda
  • a. Idle attack
  • b. Dos
  • Overflow
  • c. Port scanner

Questão 133

Questão
What kind of attack is given? You would like to send some requests to kaspi.kz, here an attacker forwards your request to fake kaspi.kz
Responda
  • a. Dos
  • b. Eavesdropping
  • Overflow
  • c. Address spoofing

Questão 134

Questão
What does an ARP Based filtering mean
Responda
  • a. Sniffing packets between two hosts on a switched network
  • b. Filtered packets by IP address
  • c. Sniffing packets from a user to all hosts
  • d. Filtered packets by MAC address

Questão 135

Questão
What does Public ARP Based filtering mean?
Responda
  • a. Sniffing packets from a user to all hosts
  • b. Sniffing packets between two hosts on a switched network
  • c. Filtered packets by IP address
  • d. Filtered packets by MAC address

Questão 136

Questão
Which of the following attacks refer to the passive attack?*
Responda
  • a. Dos
  • Overflow
  • Port Scanner
  • No answer

Questão 137

Questão
What are the most popular things attacker can do after exploiting stack vulnerability
Responda
  • a. Change the control flow of the program
  • c. Report the bug to a developer of the program
  • d. Overflows the stack to throw segmentation fault

Questão 138

Questão
Which of the following properties are requires in stack cookies?
Responda
  • a. No correct answer
  • b. Small domain
  • c. Sequence
  • d. Random

Questão 139

Questão
Which of the following is false about ASLR?
Responda
  • a. Requires program recompilation
  • b. Transparent to safe applications
  • c. Randomizing at process creation
  • d. Very little overhead

Questão 140

Questão
Which of the following does not refer to the consequences of arbitrary code execution
Responda
  • a. The attacker is able to take control of the execution flow of a program
  • b. Nothing happens
  • c. Can obtain administrative privileges
  • d. Privilege escalation

Questão 141

Questão
What are the most popular things attacker can do after exploiting stack vulnerability?
Responda
  • a. Inject a new functionality to the program
  • b. Overflows the stack to throw segmentation fault
  • c. No correct answer
  • d. Report the bug to a developer of the program

Questão 142

Questão
What are the most popular things attacker can do after exploiting stack vulnerability?
Responda
  • a. Inject a new functionality to the program
  • b. Overflows the stack to throw segmentation fault
  • c. No correct answer
  • d. Report the bug to a developer of the program
  • e. Rewrite the program variable values

Questão 143

Questão
Which of the following is not a way to protect the stack
Responda
  • a. Address Space Layout Randomization
  • b. Memory safe languages, such as Java, C
  • c. Using strcpy instead of strncpy
  • d. Non-executable Flag

Questão 144

Questão
Which of the following idea is false about stack cookies proposed by Cowan?
Responda
  • a. Before returning, check the value against the original
  • b. If there is a difference, assume something bad has happened and terminate
  • c. Guard sensitive data, including the saved IP, with copy of a secret value
  • d. If there is a difference, assume something good has happened and terminate

Questão 145

Questão
Disassembling is
Responda
  • a. All the above
  • b. Preserves a symbol table entry
  • d. The process of deallocating arguments on the stack none of the above
  • c. The process of recovering assembly from machine code

Questão 146

Questão
Define the given attack type Username = Emmanuel Passwords = 1234567, qwertz, asdfgh, abcd, .... [pet names], [birthdays], [car names], [dictionary]...
Responda
  • a. Session spotting
  • b. Replay attack
  • c. Brute force
  • d. Session fixation attack

Questão 147

Questão
What is Normal Brute Force attack?
Responda
  • c. For one username attackers test one password
  • d. For one password attackers test many user names
  • e. For one username attackers test many passwords
  • f. All the above mentioned

Questão 148

Questão
Define Reverse Brute Force
Responda
  • a. For one password attackers test many user names
  • b. All the above mentioned
  • c. For one username attackers test many passwords
  • d. For one username attackers test one password

Questão 149

Questão
Check OWASP vulnerabilities
Responda
  • a. Using Know Vulnerable Components
  • b. Missing Function Level Access Control
  • c. Security Misconfigurations
  • d. Password Management

Questão 150

Questão
OWASP is an open community dedicated to enabling organizations to develop, purchase, and maintain applications that can be trusted
Responda
  • True
  • False

Questão 151

Questão
Which of the following is true about the risks of Broken Authentication and Session Management?
Responda
  • a. Identity
  • b. Theft
  • c. None of them
  • d. Undermine authorization and accountability controls cause privacy violation

Questão 152

Questão
Which of the following is true about footprinting?
Responda
  • a. Less technical information, but important
  • b. Involves relatively high amount of manual work
  • c. Get as many plausible candidates as possible
  • d. NS (name server) / MX (mail exchange) records

Questão 153

Questão
Reconnaissance may start with just one piece of information
Responda
  • True
  • False

Questão 154

Questão
Which of the following approaches refer to Verification?
Responda
  • Application Fingerprinting
  • Ping Sweep
  • Port Scanning
  • OS Fingerprinting

Questão 155

Questão
Attacker creates a session on a web site -> Attacker sends this Session ID to the victim -> Targeted Web site receives the request from the victim
Responda
  • a. Brute Force Attack
  • b. Session Fixation Attack
  • c. Session Spotting
  • d. Replay Attack

Questão 156

Questão
Guessing a person username and password, credit-card number, cryptographic key refers to
Responda
  • a. Replay Attack
  • b. Brute Force Attack
  • c. Session Fixation Attack

Questão 157

Questão
1. What is verification phase in reconnaissance?
Responda
  • a. Check if the target candidates are actually alive and reachable
  • b. Find out more about structure of target
  • c. All the above mentioned
  • d. Find out individual computers of target

Questão 158

Questão
Which of the following is true about intelligence gathering objectives?
Responda
  • a. Checks if results are plausible test them
  • b. Less technical information, but important
  • c. Involves relatively high amount of manual work
  • d. Extends scope of security analysis, may reveal new parts of target
  • e. Gets as many plausible candidates as possible

Questão 159

Questão
Which of the following is the best of protecting from overflow attacks
Responda
  • a. Aslr
  • b. Write a code wo vulnerabilities
  • c. Stack canaries
  • d. Non executable code

Questão 160

Questão
What does this case mean? An attacker’s target should be accessible
Responda
  • a. Must be associated to target
  • b. All the above mentioned
  • c. Must be confidential
  • d. Must be able to attack it

Questão 161

Questão
What does this case mean? An attacker’s target should be relevant
Responda
  • a. Must be confidential
  • b. Must be associated to target
  • c. Must be able to attack it
  • d. All the above mentioned

Questão 162

Questão
Why stack overflow attack occurs here?
Image:
112345678 (binary/octet-stream)
Responda
  • a. Strcpy() function does not perform a bounds check
  • b. Strcpy library is not included
  • c. Works correctly
  • d. To “source” variable copied more expected

Questão 163

Questão
What does it mean?
Image:
112345678 (binary/octet-stream)
Responda
  • a. Buffer allocation
  • b. Return the value
  • c. Saves to rbx
  • d. Call the function

Questão 164

Questão
Which of the following vulnerabilities are NOT listed in OWASP Top 10? Choose all that apply.
Responda
  • Social Engineering
  • Cross-site scripting
  • Unvalidating Redirects and Forwards
  • Security Misconfiguration
  • Unvalidating password difficulty

Questão 165

Questão
What flaws arises from session tokens having poor randomness across a range of values?
Responda
  • e) Session Hijacking
  • d) Session Replay
  • c) Session Fixation
  • b) Insecure Direct Object References
  • a) Forwarding system functionality

Questão 166

Questão
Find the best countermeasures to solve an Insecure Direct Object Reference attack. Choose all that apply.
Responda
  • Properly validate cookie data, URL parameters, all HTML From data
  • Use reasonable session timeouts
  • Use secure randomly generated session keys to make prediction impossible
  • Architect your application to check if the data is encrypted with every request
  • Do not expose internals to the user

Questão 167

Questão
Define intelligent gathering
Responda
  • Find out more about structure of target
  • Find out individual computers of target
  • Involves relatively high amount of manual work
  • Check if target candidates are actual alive and reachable

Questão 168

Questão
Injection flaws occur when an application send trusted data to an compiler
Responda
  • True
  • False

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