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IT7301 - Ethical Hacking

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You are conducting a vulnerability scan on a client’s network (172.16.1.0/24) using OpenVAS. The scan identifies a critical vulnerability (CVE-2017-0143) on a Windows machine. Based on the CVSS 3.1 metrics, what is the most likely Attack Vector (AV) for this SMB-related vulnerability?

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You are conducting a vulnerability scan on a client’s network (172.16.1.0/24) using OpenVAS. The scan identifies a critical vulnerability (CVE-2017-0143) on a Windows machine. Based on the CVSS 3.1 metrics, what is the most likely Attack Vector (AV) for this SMB-related vulnerability?

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You are conducting a vulnerability scan on a client’s network (172.16.1.0/24) using OpenVAS. The scan identifies a critical vulnerability (CVE-2017-0143) on a Windows machine. Based on the CVSS 3.1 metrics, what is the most likely Attack Vector (AV) for this SMB-related vulnerability?

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You are conducting a vulnerability scan on a client’s network (172.16.1.0/24) using OpenVAS. The scan identifies a critical vulnerability (CVE-2017-0143) on a Windows machine. Based on the CVSS 3.1 metrics, what is the most likely Attack Vector (AV) for this SMB-related vulnerability?

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The following is the NMAP scan report . Identify the type of scan based on the output.

kali@kali:~$ nmap 192.168.56.104

Starting Nmap 7.94 ( https://nmap.org ) at 2024-09-28 15:32 EDT

Nmap scan report for 192.168.56.104

Host is up (0.0029s latency).

Not shown: 977 closed tcp ports (conn-refused)

PORT      STATE SERVICE     VERSION

21/tcp    open  ftp         vsftpd 2.3.4

22/tcp    open  ssh         OpenSSH 4.7p1 Debian 8ubuntu1 (protocol 2.0)

23/tcp    open  telnet      Linux telnetd

25/tcp    open  smtp        Postfix smtpd

53/tcp    open  domain      ISC BIND 9.4.2

80/tcp    open  http        Apache httpd 2.2.8 ((Ubuntu) DAV/2)

109/tcp   open  pop3        Dovecot pop3d

139/tcp   open  netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)

445/tcp   open  netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)

512/tcp   open  exec        netkit-rsh rexecd

513/tcp   open  login?

514/tcp   open  shell       Netkit rshd

1099/tcp  open  java-rmi    GNU Classpath grmiregistry

1524/tcp  open  bindshell   Metasploitable root shell

2049/tcp  open  nfs         2-4 (RPC #100003)

2121/tcp  open  ftp         ProFTPD 1.3.1

3306/tcp  open  mysql       MySQL 5.0.51a-3ubuntu5

5432/tcp  open  postgresql  PostgreSQL DB 8.3.0 - 8.3.7

5900/tcp  open  vnc         VNC (protocol 3.3)

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As part of a controlled network stress test, a security analyst wants to determine whether a target web server will mishandle overlapping TCP/IP fragments and exhaust reassembly resources (a Teardrop-style test). The analyst intends to send many TCP SYN packets to port 80, force IP fragmentation, and set the TCP MSS to encourage fragments that can overlap when reassembled.

Which single hping3 command below best matches that intent?

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An ethical hacker is conducting a Denial of Service (DoS) simulation lab using hping3 in Kali Linux. During the attack, they execute a terminal loop script to continuously audit the availability of the target's web server at http://192.168.56.

 

The script returns the following real-time outputs:

 

attack code=000 time=2.002860s

attack code=000 time=2.003217s

attack code=000 time=2.001850s

attack code=000 time=2.000900s

attack code=000 time=2.002166s

 

Based on these specific outputs, what is the current state of the victim's web server?
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A network administrator wants to run a fast discovery scan to map live hosts across a subnet segment without querying individual ports or triggering alert signatures on localized firewalls. They open Zenmap to complete this phase of network reconnaissance.

 

Question:

Based on the Zenmap documentation provided in the lab manual, which predefined profile configuration must the administrator choose to discover live hosts while completely avoiding port probing, and what is the underlying syntax executed by Zenmap?

 
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A network administrator at XYZ Corp notices unusual traffic from an external IP address targeting their network devices. Upon investigation, it is found that the attacker is using SNMP queries to gather information about routers and switches. The attacker successfully retrieves the ARP table and routing information. What is the MOST likely reason the attacker was able to enumerate SNMP successfully?

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During a network penetration test, an ethical hacker runs a port scan against an enterprise domain controller and discovers that traffic is allowed on TCP port 445, but blocked on TCP port 139.

 

Question:

Based on the provided service table, what type of network traffic is successfully reaching the target host?
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