312-50V9 Exam Questions
613 real 312-50V9 exam questions with expert-verified answers and explanations. Page 12 of 13.
- Question #551System Hacking
Eve is spending her day scanning the library computers. She notices that Alice is using a computer whose port 445 is active and listening. Eve uses the ENUM tool to enumerate Alice...
dictionary attackpassword crackingSMBnull session - Question #552Malware Threats
Which of the following represents the initial two commands that an IRC client sends to join an IRC network?
IRC protocolbotnet C2malware communicationnetwork protocols - Question #553Hacking Web Servers
Study the following log extract and identify the attack.
directory traversalUnicode attacklog analysisweb server exploitation - Question #554Enumeration
Null sessions are un-authenticated connections (not using a username or password.) to an NT or 2000 system. Which TCP and UDP ports must you filter to check null sessions on your n...
null sessionsSMBNetBIOSport filtering - Question #555System Hacking
The following is an entry captured by a network IDS.You are assigned the task of analyzing this entry. You notice the value 0x90, which is the most common NOOP instruction for the...
buffer overflowNOP sledshellcodeexploit analysis - Question #556System Hacking
Based on the following extract from the log of a compromised machine, what is the hacker really trying to steal?
SAM filecredential theftWindows password hashinglog analysis - Question #557Footprinting and Reconnaissance
As a securing consultant, what are some of the things you would recommend to a company to ensure DNS security? Select the best answers.
DNS securitysplit-horizon DNSzone transfer restrictionDNS hardening - Question #558Footprinting and Reconnaissance
Why would you consider sending an email to an address that you know does not exist within the company you are performing a Penetration Test for?
email enumerationSMTP reconnaissancebounce messagesinformation disclosure - Question #559System Hacking
What tool can crack Windows SMB passwords simply by listening to network traffic? Select the best answer.
L0phtcrackpassword crackingSMBnetwork sniffing - Question #560Sniffing
A network admin contacts you. He is concerned that ARP spoofing or poisoning might occur on his network. What are some things he can do to prevent it? Select the best answers.
ARP spoofingARP poisoningARPwatchport security - Question #561Enumeration
Peter, a Network Administrator, has come to you looking for advice on a tool that would help him perform SNMP enquires over the network. Which of these tools would do the SNMP enum...
SNMP enumerationnetwork toolsSNMP queriesenumeration tools - Question #562System Hacking
If a token and 4-digit personal identification number (PIN) are used to access a computer system and the token performs off-line checking for the correct PIN, what type of attack i...
token authenticationPIN brute forceoffline attackmulti-factor authentication - Question #563System Hacking
Bob is doing a password assessment for one of his clients. Bob suspects that security policies are not in place. He also suspects that weak passwords are probably the norm througho...
password retrievalkeyloggerssniffingpassword assessment - Question #564Evading IDS, Firewalls, and Honeypots
Study the snort rule given below: From the options below, choose the exploit against which this rule applies.
Snort rulesMS BlasterIDS signaturesexploit detection - Question #565Cryptography
Which of the following algorithms can be used to guarantee the integrity of messages being sent, in transit, or stored? (Choose the best answer)
hashing algorithmsmessage integritydata integritycryptographic functions - Question #566Sniffing
A user on your Windows 2000 network has discovered that he can use L0phtcrack to sniff the SMB exchanges which carry user logons. The user is plugged into a hub with 23 other syste...
KerberosSMB sniffingL0phtcrackWindows authentication - Question #567System Hacking
You are attempting to crack LM Manager hashed from Windows 2000 SAM file. You will be using LM Brute force hacking tool for decryption. What encryption algorithm will you be decryp...
LM hashDES encryptionWindows SAMpassword cracking - Question #568System Hacking
In the context of password security, a simple dictionary attack involves loading a dictionary file (a text file full of dictionary words) into a cracking application such as L0phtC...
hybrid attackdictionary attackbrute forcepassword cracking - Question #569System Hacking
What is the algorithm used by LM for Windows2000 SAM?
LM hash algorithmDESWindows 2000 SAMpassword storage - Question #570Introduction to Ethical Hacking
E-mail scams and mail fraud are regulated by which of the following?
cybercrime lawemail fraudUS federal statuteslegal framework - Question #571System Hacking
Which of the following LM hashes represent a password of less than 8 characters? (Select 2)
LM hash structurepassword length detectionWindows authenticationhash analysis - Question #572Malware Threats
Which of the following is the primary objective of a rootkit?
rootkitmalware objectivesprocess hidingfile replacement - Question #573System Hacking
This kind of password cracking method uses word lists in combination with numbers and special characters:
hybrid attackword listsspecial characterspassword cracking - Question #574Malware Threats
_________ is a tool that can hide processes from the process list, can hide files, registry entries, and intercept keystrokes.
rootkitkeyloggerprocess hidingregistry manipulation - Question #575Malware Threats
What is the BEST alternative if you discover that a rootkit has been installed on one of your computers?
rootkit remediationincident responsesystem recoverytrusted media - Question #576Denial of Service
What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?
DDoS toolsTrinooTFN2kdistributed denial of service - Question #577System Hacking
How can you determine if an LM hash you extracted contains a password that is less than 8 characters long?
LM hashpassword length detectionhash patternWindows authentication - Question #578System Hacking
When discussing passwords, what is considered a brute force attack?
brute force attackpassword crackingexhaustive searchauthentication attack - Question #579System Hacking
Which of the following are well know password-cracking programs?(Choose all that apply.
password cracking toolsL0phtcrackJohn the Rippercredential attacks - Question #580Cryptography
Password cracking programs reverse the hashing process to recover passwords.(True/False.)
password hashinghash reversalcryptographic one-way functionspassword cracking - Question #581Scanning Networks
While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an atta...
SMTPport 25firewall rulesemail security - Question #582System Hacking
Windows LAN Manager (LM) hashes are known to be weak. Which of the following are known weaknesses of LM? (Choose three)
LM hashesWindows authenticationweak encryptionpassword security - Question #583System Hacking
You have retrieved the raw hash values from a Windows 2000 Domain Controller. Using social engineering, you come to know that they are enforcing strong passwords. You understand th...
hybrid attackpassword crackingstrong passwordsdictionary attack - Question #584System Hacking
An attacker runs netcat tool to transfer a secret file between two hosts. Machine A: netcat -l -p 1234 < secretfile Machine B: netcat 192.168.3.4 > 1234 He is worried about informa...
netcatcryptcatfile transfer encryptionnetwork tools - Question #586Scanning Networks
Fingerprinting an Operating System helps a cracker because:
OS fingerprintingvulnerability exploitationreconnaissancetarget profiling - Question #587Enumeration
In the context of Windows Security, what is a 'null' user?
null sessionWindows securitypseudo accountanonymous access - Question #588System Hacking
What does the following command in netcat do? nc -l -u -p55555 < /etc/passwd
netcatUDP listenerfile retrievalnetwork commands - Question #589Session Hijacking
What hacking attack is challenge/response authentication used to prevent?
challenge-responsereplay attacksauthenticationsession security - Question #590Social Engineering
In this attack, a victim receives an e-mail claiming from PayPal stating that their account has been disabled and confirmation is required before activation. The attackers then sca...
phishingcredential theftantivirus limitationssocial engineering - Question #591Session Hijacking
Bob is going to perform an active session hijack against Brownies Inc. He has found a target that allows session oriented connections (Telnet) and performs the sequence prediction...
session hijackingTCP sequence numberssequence predictionactive attack - Question #592Malware Threats
ViruXine.W32 virus hides their presence by changing the underlying executable code. This Virus code mutates while keeping the original algorithm intact, the code changes itself eac...
polymorphic viruscode mutationmalware obfuscationself-modifying code - Question #593Introduction to Ethical Hacking
"Testing the network using the same methodologies and tools employed by attackers" Identify the correct terminology that defines the above statement.
penetration testingethical hackingsecurity methodologyattacker simulation - Question #594Sniffing
Nathan is testing some of his network devices. Nathan is using Macof to try and flood the ARP cache of these switches. If these switches' ARP cache is successfully flooded, what wi...
MAC floodingARP cacheMacofswitch hub mode - Question #595System Hacking
You are programming a buffer overflow exploit and you want to create a NOP sled of 200 bytes in the program exploit.c What is the hexadecimal value of NOP instruction?
NOP sledbuffer overflowexploit developmentassembly opcodes - Question #596Scanning Networks
This TCP flag instructs the sending system to transmit all buffered data immediately.
TCP PSH flagTCP flagsbuffered dataTCP/IP - Question #597Enumeration
The network administrator at Spears Technology, Inc has configured the default gateway Cisco router's access-list as below: You are hired to conduct security testing on their netwo...
SNMP community stringACL bypassIP spoofingnetwork sniffing - Question #598Evading IDS, Firewalls, and Honeypots
You work for Acme Corporation as Sales Manager. The company has tight network security restrictions. You are trying to steal data from the company's Sales database (Sales.xls) and...
steganographydata exfiltrationcovert channeltraffic monitoring evasion - Question #599Evading IDS, Firewalls, and Honeypots
Study the snort rule given below and interpret the rule. alert tcp any any --> 192.168.1.0/24 111 (content:"|00 01 86 a5|"; msG. "mountd access";)
Snort rulesIDS rule parsingTCP traffic alertnetwork monitoring - Question #600Enumeration
What port number is used by LDAP protocol?
LDAPport 389directory servicesnetwork protocols - Question #601Session Hijacking
Fred is the network administrator for his company. Fred is testing an internal switch. From an external IP address, Fred wants to try and trick this switch into thinking it already...
TCP ACKsession spoofingIP spoofingTCP handshake