DOCSLIB.ORG

Security Testing with Hping at the HOP

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Security Testing with Hping at the HOP COver STOry Hping Michael Röder, Fotolia Röder, Michael Security testing with hping AT THE HOP Don't let intruders crash your dance. We'll show you how to test your hackerish names, such as targa, synful, papa smurf, and netdude, could help firewalls and intrusion detection systems with hping. with the task of generating designer packets, but many of these older applica- BY JAMES STANGER, PHD tions had problems and limitations. For example, some tools could only scan hen it comes to penetration types of the TCP/ IP protocol suite, some Class C IPv4 networks. testing and security audits, users call it a packet-crafting application. Whping is one of your best By manipulating packets, you can What Does hping Do? friends. Currently in its third iteration, scan systems stealthily, generate traffic Hping provides a single, universal solu- hping has become a preferred way to floods, and generally create packets to tion that helps prevent many problems generate IP packets, usually for the pur- your heart’s content. Over the years, of the previous generation. Hping is de- pose of testing firewall and intrusion de- hping has become the de facto packet signed to: tection systems. generator. • scan hosts, Because you can use hping to manipu- Generating custom packets is nothing • assist with penetration testing, late all of the fields, flags, and protocol new. Previous tools with whiz-bang and • test intrusion detection systems, Versions Hping3 is the latest version of hping, and manipulation tool) and idswakeup (an ap- hping3 places you into a session, much like hping2 is the most significant predecessor plication for auditing intrusion detection the old nslookup command. application. Several applications depend systems). Hping3 comes with a new TCL Hping3 lets you create fairly sophisticated upon hping2, which has been around quite scripting engine and is, therefore, quite bit scripts that will help you simulate traffic for a bit longer than hping3. more powerful than a simple command- your firewalls and intrusion detection sys- I install both versions, and I recommend line tool. tems. A less obvious advantage of hping3 that you do the same. I use hping3 as a The original hping and hping2 applications is that Salvatore Sanfilippo, the creator of stand-alone application, but I still have operate as one-time commands – they all things hping, rewrote much of the un- hping2 in case I need it for third-party ap- don’t launch an interactive shell. If you use derlying code. plications, such as scapy (another packet the command without any arguments, 38 ISSUE 99 FEBRUARY 2009 Hping COver story • and send files between Hping's creator, for example, still main- hosts. tains the tool even though he’s collabo- In this article, I will ex- rated for years with Fyodor, the creator plain how to start gener- of Nmap. ating test packets with Third, you can also conduct incremen- hping. tal scans, which means each scan will climb up one port on a system: Installing hping Hping3 is available from sudo hping -S targethost-p ++0 the project website as a source tarball [1]. If This command creates a report that tells you’re using an Ubuntu you what ports are open on the system. or Debian system, you can use either Synaptic A Better Traceroute? Package Manager or apt- One interesting feature of hping3 is that get for the installation. To you can generate a more revealing trace- install hping, enter the route report using any protocol. For ex- following command: ample, suppose you want to determine exactly what happens on each hop of a sudo apt-get U traceroute. To do this, you can specify install hping3. Figure 1: Viewing a packet generated by hping in Wireshark. the use of a TCP SYN packet. The -T op- tion allows you to enable hping3’s You don’t need to enable any additional trusion detection system will treat the traceroute function. In the command repositories. Red Hat or CentOS pack- SYN packet as standard traffic rather shown above, the --ttl option allows you ages are also available online [2]. than as a threat. to specify the number of routers (i.e., Figure 1 shows how to specify a more hops) you want to transmit. Scanning Hosts sophisticated scan that provides a nice If you want to issue a traceroute com- After installing hping, you are ready to little ASCII-based report. mand using UDP, the command shown get started. Suppose you want to send in Listing 2 will suffice. The output two TCP packets to a system named Advantages Over Nmap shows how each router processes the james, and you want those packets to hit You might wonder why you would want UDP packet. port 80 on james. To do this, you would to use hping to look for open ports when Why would you want to do such a issue the command shown (with the ac- you already have Nmap. In some situa- thing? Because many routers block tradi- companying output) in Listing 1. tions, hping offers advantages over tional ICMP packets, even if your latest In Listing 1, notice that the flags= Nmap. system used UDP. field is set to SA, which is hping’s way of First, hping is a light- telling you that port 80 is open on james. weight application; if Listing 2: Tracing UDP If the ports were closed, you’d see RA in you’ve got it installed and 01 sudo hping3 -2 192.168.44.45 -p ++44444 -T -n the flags= field. ready to go, why worry 02 The -S option sends a SYN packet, about installing anything 03 HPING 192.168.44.45 (eth0 192.168.44.45): udp mode which often is used to create scans that more? set, 28 headers + 0 data bytes are hard for intrusion detection systems Second, it’s always good 04 hop=1 TTL 0 during transit from ip=172.16.8.1 to detect and flag as threatening. to know how to do the 05 hop=1 hoprtt=1.7 ms After a system replies to a SYN packet, same thing with more 06 hop=2 TTL 0 during transit from ip=12.155.83.1 you know that a port is listening; the in- than one application. 07 hop=2 hoprtt=2.7 ms 08 hop=3 TTL 0 during transit from ip=12.119.43.49 Listing 1: A Simple Scan 09 hop=3 hoprtt=10.0 ms 01 pink@floyd:~/Desktop$ sudo hping3 -S james -c 2 -p 80 10 hop=4 TTL 0 during transit from ip=12.123.21.30 02 HPING james (eth0 192.168.15.134): S set, 40 headers + 0 data 11 hop=4 hoprtt=13.6 ms bytes 12 hop=5 TTL 0 during transit from ip=12.122.12.21 03 len=46 ip=192.168.15.134 ttl=64 DF id=0 sport=80 flags=SA seq=0 13 hop=5 hoprtt=13.3 ms win=5840 rtt=0.3 ms 14 hop=6 TTL 0 during transit from ip=12.122.17.42 04 len=46 ip=192.168.15.134 ttl=64 DF id=0 sport=80 flags=SA seq=1 win=5840 rtt=0.3 ms 15 hop=6 hoprtt=11.9 ms 05 16 hop=7 TTL 0 during transit from ip=12.122.96.9 06 --- james hping statistic --- 17 hop=7 hoprtt=36.6 ms 07 2 packets transmitted, 2 packets received, 0% packet loss 18 hop=8 TTL 0 during transit from ip=192.205.34.62 08 round-trip min/avg/max = 0.3/0.3/0.3 ms 19 hop=8 hoprtt=13.6 ms 09 pink@floyd:~/Desktop$ 20 hop=9 TTL 0 during transit from ip=4.68.103.46 FEBRUARY 2009 ISSUE 99 39 COver story Hping To analyze one particular hop of a with jitter and traffic con- Listing 3: Analyzing a Hop traceroute packet, you can use the gestion. By determining --tr-keep-ttl option: the MTU and adjusting it 01 hop=3 TTL 0 during transit from ip=12.119.43.61 properly at the router or 02 hop=3 hoprtt=31.7 ms sudo hping3 -S 12.119.80.1 U your individual hosts, you 03 hop=3 TTL 0 during transit from ip=12.119.43.61 -p 80 -T --ttl 3 U can reduce latency and re- 04 hop=3 hoprtt=6.9 ms --tr-keep-ttl -n solve call quality issues 05 hop=3 TTL 0 during transit from ip=12.119.43.61 that would otherwise 06 hop=3 hoprtt=5.0 ms The -n option ensures that numbers prove elusive. 07 hop=3 TTL 0 during transit from ip=12.119.43.49 aren’t resolved. 08 hop=3 hoprtt=5.2 ms Perimeter Testing The preceding command issues TCP- 09 hop=3 TTL 0 during transit from ip=12.119.43.49 based packets to the target host, but Perimeter testing means 10 hop=3 hoprtt=5.2 ms then reports only the third hop. The out- determining exactly what 11 hop=3 TTL 0 during transit from ip=12.119.43.49 put is shown in Listing 3. The informa- your firewall blocks and 12 hop=3 hoprtt=4.9 ms tion in Listing 3 can help you determine what it allows. To conduct 13 hop=3 TTL 0 during transit from ip=12.119.43.61 exactly if and how a particular router is a good test, you can spoof 14 hop=3 hoprtt=5.4 ms altering packets in transit.
Load more

Recommended publications
  • How to Scan a Network with Hping3
    How To Scan a Network With Hping3 Hping3 Hping3 is a command-line oriented TCP/IP packet assembler and analyser and works like Nmap. The application is able to send customizes TCP/IP packets and display the reply as ICMP echo packets, even more Hping3 supports TCP, UDP, ICMP and RAW-IP protocols, has a traceroute mode, the ability to send files between a covered channel, and many other features like DDOS flooding attacks. Hping3 can be used to perform: OS fingerprinting ICMP pings Traceroute Port scanning Firewall testing Test IDSes Network testing and auditing MTU discovery Exploit and vulnerabilities discovery DDOS and ICMP flooding Hping3 comes pre-installed with Kali Linux but and can also be installed on most Linux distros, also you need to run the commands with sudo privileges. Visit the official documentation at to learn more on how you can use Hping3 http://www.hping.org/documentation.php Useful Options -h Show this help -v Show version -c Packet count -i –interval –flood -V Verbose mode -D Debugging -f Fragment packets -Q Display sequence number -0 RAW IP mode -1 ICMP mode -2 UDP mode -8 SCAN mode -9 listen mode -F Set the FIN flag -S Set the SYN flag -P Set the PUSH flag -A Set the ACK flag -U Set the URG flag Commands Send a ACK packet to a target hping3 –A 192.168.100.11 HPING 192.168.100.11 (eth0 192.168.100.11): A set, 40 headers + 0 data bytes len=46 ip=192.168.100.11 ttl=128 id=29627 sport=0 flags=R seq=0 win=32767 rtt=4.0 ms len=46 ip=192.168.100.11 ttl=128 id=29628 sport=0 flags=R seq=1 win=32767 rtt=2.0 ms len=46 ip=192.168.100.11
    [Show full text]
  • Network Sniffers and Tools in Cyber Security
    © 2018 JETIR November 2018, Volume 5, Issue 11 www.jetir.org (ISSN-2349-5162) NETWORK SNIFFERS AND TOOLS IN CYBER SECURITY 1Rachana R. Buch, 2Sachi N. Shah 1Assistant Professor, 2Assistant Professor 1Department of Computer Engineering 1Atmiya University, Rajkot, India Abstract:In the cyber world, there are numerous kinds of programmers which is utilized to hack username, passwords and personal details, account subtle elements, and touchy data about the client through their gadget or network. A procedure of catching, interpreting, and investigating network activity is called network sniffing. Network sniffers are same as a programmer which is gathered or assemble data from the Network i.e. IP address, MAC address, Hostname and so forth through which they can keep an eye on the network movement or they watch or gather a log of packets by packet sniffing. Network sniffers have utilized a few tools like Wireshark, Kismet, hping, TCPdump, and Windump for checking packets which are traverses the network. Index Terms: Cyber Security, Network sniffers, Packet Sniffers, Tools, Wireshark, hping, Kismet, TCPdump, and Windump. I. Introduction to Network Sniffers: fig.1 how network sniffer works 1.1 Network Sniffing: The procedure of catching, decoding, and analyzing network movement is called network sniffing. [2] Network Sniffing is a technique of observing each packet that crosses the network. Network sniffing is a tool that can enable you to find network issues by enabling you to catch and view packet level data on your network it likewise screens or sniffs out the data flowing over computer network links in real time. [2] A few sniffers work with TCP/IP packets yet more sophisticated tools can work with numerous other network protocols and at lower levels including Ethernet frames.[14] JETIR1811392 Journal of Emerging Technologies and Innovative Research (JETIR) www.jetir.org 685 © 2018 JETIR November 2018, Volume 5, Issue 11 www.jetir.org (ISSN-2349-5162) 1.2 Network Sniffer types: fig.
    [Show full text]
  • A Survey of Ethernet LAN Security Timo Kiravuo, Mikko S¨Arel¨A, and Jukka Manner
    IEEE COMMUNICATIONS SURVEYS & TUTORIALS, VOL. 15, NO. 3, THIRD QUARTER 2013 1477 A Survey of Ethernet LAN Security Timo Kiravuo, Mikko S¨arel¨a, and Jukka Manner Abstract—Ethernet is the survivor of the LAN wars. It is switched, full-duplex, collision free Ethernet is considered the hard to find an IP packet that has not passed over an Ethernet standard low cost LAN solution for workstations and laptops, segment. One important reason for this is Ethernet’s simplicity and 10 Gbps is commonly available for servers and high and ease of configuration. However, Ethernet has always been known to be an insecure technology. Recent successful malware throughput hosts. attacks and the move towards cloud computing in data centers Ethernet segments are also being expanded, both in distance demand that attention be paid to the security aspects of Ethernet. and capacity, using various techniques [4]. Network operators In this paper, we present known Ethernet related threats and are starting to design edge to edge Ethernets, using the layer 2 discuss existing solutions from business, hacker, and academic communities. Major issues, like insecurities related to Address Ethernet internally to replace higher layer activities like IP Resolution Protocol and to self-configurability, are discussed. The routing and addressing, leaving them to be considered only solutions fall roughly into three categories: accepting Ethernet’s at the edges of the network. The motivation for having larger insecurity and circling it with firewalls; creating a logical Ethernet segments is to handle traffic at a layer lower than the separation between the switches and end hosts; and centralized IP layer.
    [Show full text]
  • 1587053527.Pdf
    ii Network Security Auditing Network Security Auditing Chris Jackson, CCIE No. 6256 Copyright © 2010 Cisco Systems, Inc. Published by: Cisco Press 800 East 96th Street Indianapolis, IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission from the publisher, except for the inclusion of brief quotations in a review. ISBN-13: 978-1-58705-352-8 ISBN-10: 1-58705-352-7 Printed in the United States of America First Printing June 2010 Library of Congress Cataloging-in-Publication Data: Library of Congress Cataloging-in-Publication data is on file. Warning and Disclaimer This book is designed to provide information about Cisco network security. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information is provided on an “as is” basis. The author, Cisco Press, and Cisco Systems, Inc. shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accompa- ny it. The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems, Inc. xxi Introduction Mention the word audit to IT professionals and you will probably see their eyes glaze over as they imagine frightening visions of auditors with pointy tails, pitchforks, and checklists run- ning around and pointing out all of the things they have done wrong to their manager.
    [Show full text]
  • Some Tools for Computer Security Incident Response Team (CSIRT)
    Some Tools for Computer Security Incident Response Team (CSIRT) AfNOG21 21 0301thth 03May – 01 2011 1– M1y0a2thth June 2011 Tanzania By Marcus K. G. Adomey Overview Some Unix Commands Some Selected Tools Snort AirSnort hping Nmap Kismet Tcpreplay Aircrak Tripwire Argus Tor Nepenthes Nessus Wireshark LanSpy Rational for using tools in CSIRT Management Network analysis Log analysis Incident, Vulnerability or Malware Handling Investigation or research Other side of the coin At times difficult to use Some of the tools may use by attacker for criminal activities Important language to know for making your own tool. shell script, sed/awk perl, python, ruby Unix/Linux command line based tools (some tools are also available for windows) Basic Unix command line tools ps, df, dd, dmesg, grep, ls, cd, cp, rm, mv, ifconfig whois, dig (nslookup ), traceroute , ping, strings, netstat , top (endless…) Advance Unix command line tools gnupg , ssh, snort, airsnort, hping2, nmap, kismet, netcat(nc), tcpdump, wget, tcpreplay, aircrack Powerful tools. Tripwire, Argus, Tor, Nepenthes Snort Snort is a free and open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS). Snort’s has the ability to perform real-time traffic analysis and packet logging on Internet Protocol (IP) networks. Snort performs protocol analysis, content searching, and content matching. The program can also be used to detect probes or attacks, including, but not limited to, operating system fingerprinting attempts, common gateway interface, buffer overflows, server message block probes, and stealth port scans. AirSnort AirSnort is a wireless LAN (WLAN) tool which recovers encryption keys. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered.
    [Show full text]
  • Ddos Attacks and Their Alleviation Using Iptables
    DDoS attacks and their alleviation using iptables Thesis submitted in partial fulfillment of the requirements for the award of degree of Master of Engineering in Software Engineering Submitted By Ravinder Dahiya (Roll No. 801031025) Under the supervision of: Dr. Maninder Singh Associate Professor CSED COMPUTER SCIENCE AND ENGINEERING DEPARTMENT THAPAR UNIVERSITY PATIALA – 147004 June 2012 Acknowledgement Many people have shared their time and expertise to help me improvise and accomplish my goal. I would like to sincerely thank my guide, Dr. Maninder Singh, for his constant and felicitous support and guidance. His instant responses to my countless inquiries have been invaluable and motivational. It was a great opportunity to work under his supervision. Dr. Maninder Singh, Head, CSED, introduced me to the concept of DoS/DDoS attacks and inspired me to choose the current research focus. I would like to thank him for his moral support and research environment he had facilitated for this work. I wish to thank my family and my friend Mohit Raj for their immense support and encouragement throughout this time without which it would not have been possible to complete this work. Last but not the least I would like to thank God who have always been with me in my good and bad times. Ravinder Dahiya ME SE 801031025 ii Abstract Denial-of-Service (DoS) is a network security attack vector that poses a serious challenge to trustworthiness of services deployed on the servers. The aim of DoS attacks is to make services unavailable to legitimate users by flooding the victim with legitimate-like requests and current network architectures allow easy-to- launch, hard-to-stop DoS attacks.
    [Show full text]
  • Firewall Fingerprinting and Denial of Firewalling Attacks Alex X
    IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY, VOL. 12, NO. 7, JULY 2017 1699 Firewall Fingerprinting and Denial of Firewalling Attacks Alex X. Liu, Amir R. Khakpour, Joshua W. Hulst, Zihui Ge, Dan Pei, Jia Wang Abstract—Firewalls are critical security devices handling all accordingly; second, we need to know how attackers can traffic in and out of a network. Firewalls, like other software possibly attack a firewall over the Internet. and hardware network devices, have vulnerabilities, which can In this paper, first, we investigate some possible firewall be exploited by motivated attackers. However, just like any other networking and computing devices, firewalls often have fingerprinting methods and surprisingly found that these meth- vulnerabilities that can be exploited by attackers. In this paper, ods can achieve quite high accuracy. Second, we study first, we investigate some possible firewall fingerprinting methods what we call Denial of Firewalling (DoF) attacks, where and surprisingly found that these methods can achieve quite attackers use carefully crafted traffic to effectively overload high accuracy. Second, we study what we call denial of fire- afirewall.Toourbestknowledge,thispaperrepresents walling (DoF) attacks, where attackers use carefully crafted traffic to effectively overload a firewall. To the best of our the first study of firewall fingerprinting and Denial of Fire- knowledge, this paper represents the first study of firewall walling attacks. The attack presented in this paper can be fingerprinting and DoF attacks. used in conjunction with the attack presented in Qian and Index Terms—Network Security,firewalls. Mao’s work [3]. Designing countermeasures for firewall fin- gerprinting and Denial of Firewalling attacks is out of the scope of this paper, but is the next step of this line of I.
    [Show full text]
  • Securing 7 Layers of Insecurity
    Chapter 21 Fingerprinting Module Network Reconnaissance: Curiosity killed the Cat D 7 eep L ay “Fingerprint identification Se occurs when an expert er s c determines that two impressions o V originated from the same finger f I i e n or palm.” nn sec a 2007 (Wikipedia.org) urity Copyright Information Some rights reserved / Einige Rechte vorbehalten Michael Kafka, René Pfeiffer, Sebastian Mayer C.a.T. Consulting and Trainings, Vienna, Austria You may freely use, distribute and modify this work under following D agreement: 7 eep Diese Arbeit darf frei genutzt, verbreitet und bearbeitet werden unter L folgenden Bedingungen: ay Se Authors must be referenced (also for modification) er s Autoren müssen genannt werden (auch bei Bearbeitung) c o V Only for non commercial use f I i Nur für nichtkommerzielle Nutzung e n nn Derivative work under same licence sec Derivative Arbeit unter selber Lizenz a 2007 urity http://www.creativecommons.com © November 2007 21 - Fingerprinting 2 Chapter 21 Fingerprinting Agenda Fingerprinting Basics Passive Fingerprinting D 7 eep Protocol Headers L ay Se Active Fingerprinting er s c Identify Individuals o V f I i e n nn sec a 2007 urity © November 2007 21 - Fingerprinting 3 Fingerprinting Basics How to Find Valuable Hints? What to look for, what to ignore? What is it good for? D 7 eep L ay Se er s c o V f I i e n nn sec a 2007 urity © November 2007 21 - Fingerprinting 4 Fingerprinting Basics Systems may have unique signatures Network stack responses DCE RPC signatures D 7 eep Versions and protocols
    [Show full text]
  • Download Hping3
    Download hping3 click here to download DOWNLOAD HPING STABLE. The latest version of hping is rc3 (release candidate 3). rc3 changes: Fixed a problem with the checksum code. Some packet was generated with the wrong checksum! Please upgrade to rc3 ASAP. Scan mode. You can use hping as a low-level automated TCP port scanner. An example. While hping was mainly used as a security tool in the past, it can be used in many ways by people that don't care about security to test networks and hosts. A subset of the stuff you can do using hping: Firewall testing; Advanced port scanning; Network testing, using different protocols, TOS, fragmentation; Manual path MTU. TCP/IP stacks auditing; hping can also be useful to students that are learning TCP/IP. hping works on the following unix-like systems: Linux, FreeBSD, NetBSD, OpenBSD, Solaris, MacOs X, Windows. There is a great tutorial to get started here: Getting started with hping3. You can download hping3 here. For the hping3 API check docs/www.doorway.ru You can find documentation about hping3 specific functions at www.doorway.ru Make sure to check the page at www.doorway.ru DOWNLOAD The hping3 primary download site is the following: www.doorway.ru How to get. great for learning more about TCP/IP and experimenting with IP protocols. Unfortunately, it hasn't been updated since The Nmap Project created and maintains Nping, a similar program with more modern features such as IPv6 support, and a unique echo mode. For downloads and more information, visit the Hping.
    [Show full text]
  • Master's Thesis TCP Idle Scans in Ipv6
    Master's Thesis TCP Idle Scans in IPv6 Mathias Morbitzer [email protected] Thesis number: 670 August 2013 Supervisors: Erik Poll Hendrik Schimmelpenninck van der Oye (Fox-IT) Mark Koek (Fox-IT) Department of Computing Science Radboud University Nijmegen 1 Abstract Port scans are done by an attacker to discover which services are oered by systems on a network and could be attacked. There are various approaches for port scanning, all providing advantages and disadvantages. One of those approaches is the TCP Idle Scan, in which the attacker spoofs messages of a third computer in order to remain undetected. To see the results of the scan, he utilizes the IPID in the IPv4 header. With the slowly approaching upgrade of IPv4 with IPv6, one will not be able anymore to conduct the TCP Idle Scan as previously, as the IPID is not included statically in the IPv6 header, but only when fragmentation is needed. Therefore, this thesis started with an investigation whether the TCP Idle Scan is still feasible in IPv6. The investigation illustrated that an attacker can use ICMPv6 Echo Re- quest messages with large amounts of data as well as ICMPv6 Packet Too Big messages specifying a MTU smaller than the IPv6 minimum MTU. This way, the idle host can be forced to use the IPv6 extension header for fragmenta- tion, which contains an identication value which is comparable to the IPID in IPv4, in each IPv6 packet sent to a specic host. Applying this method, the TCP Idle Scan is feasible in IPv6. After establishing how to conduct the TCP Idle Scan in IPv6, 21 dierent operating systems and versions have been analyzed regarding their properties as idle hosts.
    [Show full text]
  • How to Scan a Network with Hping3,How to Install Apache2
    How To Scan a Network With Hping3 Hping3 Hping3 is a command-line oriented TCP/IP packet assembler and analyser and works like Nmap. The application is able to send customizes TCP/IP packets and display the reply as ICMP echo packets, even more Hping3 supports TCP, UDP, ICMP and RAW-IP protocols, has a traceroute mode, the ability to send files between a covered channel, and many other features like DDOS flooding attacks. Hping3 can be used to perform: OS fingerprinting ICMP pings Traceroute Port scanning Firewall testing Test IDSes Network testing and auditing MTU discovery Exploit and vulnerabilities discovery DDOS and ICMP flooding Hping3 comes pre-installed with Kali Linux but and can also be installed on most Linux distros, also you need to run the commands with sudo privileges. Visit the official documentation at to learn more on how you can use Hping3 http://www.hping.org/documentation.php Useful Options -h Show this help -v Show version -c Packet count -i –interval –flood -V Verbose mode -D Debugging -f Fragment packets -Q Display sequence number -0 RAW IP mode -1 ICMP mode -2 UDP mode -8 SCAN mode -9 listen mode -F Set the FIN flag -S Set the SYN flag -P Set the PUSH flag -A Set the ACK flag -U Set the URG flag Commands Send a ACK packet to a target hping3 –A 192.168.100.11 HPING 192.168.100.11 (eth0 192.168.100.11): A set, 40 headers + 0 data bytes len=46 ip=192.168.100.11 ttl=128 id=29627 sport=0 flags=R seq=0 win=32767 rtt=4.0 ms len=46 ip=192.168.100.11 ttl=128 id=29628 sport=0 flags=R seq=1 win=32767 rtt=2.0 ms len=46 ip=192.168.100.11
    [Show full text]