Questions tagged [spoofing]

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High CPU load on SYN flood

When being under SYN flood attack, my CPU reach to 100% in no time by the kernel proccess named ksoftirqd, I tried so many mitigations but none solve the problem. This is my sysctl configurations ...
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27 views

Privacy: Disallowing server reading user's time

If you go to www.deviceinfo.me, you'll see that the website is able to read your machine's local time. This is sensitive information because it says whereabouts you're located. Is there any way to ...
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51 views

How to find out whether my email account has been hijacked or spoofed?

I have an old university email account that, according to my alma mater, can only receive emails and forward them to another email address. I cannot even log in there and/or change the password, there ...
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16 views

Dealing again with XArp

Yesterday I posted here a message because XArp detected an ARP attack in my network. I received an answer that, I thought, solved the issue, but when I tried to run again the program, it showed me ...
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1answer
133 views

Is XArp detecting a false positive?

Today I really got into ARP protocol and its attacks. I tried to download xArp to test my network and it said there was an attack detected. Then I researched something more about it, but I found ...
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857 views

Is it Possible to spoof browser user agent in Windows XP to get web.whatsapp.com running?

I am still running Windows XP and want to access whatsapp web ( web.whatsapp.com). Obviously I can get to the latest and greatest versions of browsers on Windows XP (Firefox, Chrome, IE and Edge all ...
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1answer
98 views

Spoofing the details of a CPU

We usually see the details of a CPU by using the command "lscpu" in Ubuntu. The information comes as such in the picture below. Original LSCPU Output Is there any tool or way to spoof this ...
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186 views

Spoofing a CPU in a virtual machine (VMWare Workstation Pro)

So as the title says, i need help or someway of doing the following. I have VMWare Workstation Pro ( if needed i could get another program ), and i would like to install normal Windows 10 (Host ...
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1answer
49 views

How is it that Email Marketing Platforms like mailchimp are able send emails from me without me giving them my email password?

Mail Chimp, SendinBlue, and etc are email marketing platforms that can do email blasting. I noticed that they are able to send an email and mark it as 'From' my email. Its very weird to me as i never ...
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138 views

Does Windows 10 have a DNS spoofing protection?

I am trying to use my hosts file to check up on a server I'm trying to migrate before I'll change the actual dns. The thing is the browsers ignore my hosts file entries that do not use reserved ...
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91 views

Changing mac address to a different “universal” one

My laptop wifi adapter (DW1501 Wireless-N WLAN Half-Mini Card) allows me to set a "Locally Administered MAC Address", but only if the locally administered bit is set in the custom mac ...
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226 views

Bettercap arp.ban not working properly

I have a Kali linux virtual machine and I used bettercap arp.ban on my andorid phones(separately) using my usb wifi adapter(wlan0 interface). This should have cut internet connectivity but some ...
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77 views

Who does this IP belong to, possible spoofing attack?

I am currently using a TalkTalk router to access my home network. I've had issues previously with my connection being either slow or cutting out fully (not a common issue). I download XARP ...
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77 views

Is it possible to have “on the fly” MAC spoofing with IPv6 for encryption/anonymization purposes?

I am in school for network security and advanced Cisco, and one of my classes this semester we picked up on IPv6 as part of the MS Server 70-741 Exam. When reading through the textbook and noticing ...
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2answers
373 views

UDP IP Spoofing

I have a Ubuntu VPS in Singapore region and I have players who are going to play in my Indian Tournament. My Indian server accepts only Indian traffic to protect from DDoS. My players want to play ...
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1answer
1k views

Is it possible to spoof screen size or resolution in Firefox?

I have a very unique screen size which makes me particularly vulnerable to fingerprinting. Is it possible to make it seem like my screen is the standard 1920x1080, without actually changing the ...
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493 views

ssh connection issue,getting error message and disappears some times

(base) jecc@sajanraj:~$ ssh odin @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: POSSIBLE DNS SPOOFING DETECTED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@...
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67 views

spoofed emails from my domain to me

Not sure if this is the right place but I'm at a loss! Someone has setup a network monitor using "PRTG Network Monitor" from a company called Paessler AG and they've directed that reports from this ...
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1answer
1k views

nmcli cloned-mac-address for *all* connections

How can I clone the mac address on my linux system using the nmcli command such that it's cloned for all wifi connections? I'm having issues with Network Manager overriding the mac address that I set ...
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1answer
996 views

802.1X bypass / MAC spoof prevention

I was wondering if it's possible to prevent MAC spoofing / 802.1X bypass techniques as described here: https://www.defcon.org/images/defcon-19/dc-19-presentations/Duckwall/DEFCON-19-Duckwall-Bridge-...
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1answer
35 views

How is connected Envelop From and Mail From mail header?

I was looking into mail header of a newsletter message sent by my company. I cannot understand how an external server (newsletter provider) can send message with them as envelop from but with my ...
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1answer
35 views

Can access default gw, but not rest of subnet

I'm using a somewhat weird setup which (so I would think) allows me to connect to the subnet while spoofing my IP and MAC (in test environment, doing cyber security college ^^). However, the router ...
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1answer
389 views

Why do spoofed DNS packets get ignored?

First off, let me clarify that this question refers to a private project that is intended for educational purpose only. I tried to write my own "DNS spoofer". Don't worry, this question is not ...
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2answers
577 views

Avoid: Getting duplicate MAC address, with MAC address randomizer?

First of, a little context as to why I ask this question: I'm currently researching how I can get more "anonymous" online, not because I'm doing anything I need to hide, but simply because I value my ...
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42 views

Are the packets meant to drop after IP spoof?

I was just experimenting ARP IP spoofing with a few virtual machines at home and did something like this. VM1 IP - 192.168.132.1 VM2 IP - 192.168.132.2 VM3 IP - 192.168.132.3 VM4 IP - 192.168.132.4 ...
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94 views

How to block fake IP adresses?

on my webserver I find in the apache-logfiles: [Wed Jan 09 16:29:10.660069 2019] [:error] [pid 11705] [client 66.249.66.66:39066] script '/var/www/fairtragen/7327991037366506690.php' not found or ...
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543 views

How does IP address spoofing work when there is a router with public IP involved?

It says on Wikipedia that egress filtering 'verifies that the source IP address in all outbound packets is within the range of allocated internal address blocks' and on IP spoofing it says 'Ideally ...
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123 views

How can I be sure that I get an authentic response of a requested IP address?

Normally you perform a login to your ISP using the given user credentials. You then get allocated an IP address and get access to their internal name servers, so that you can ask for a certain domain ...
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73 views

Spoofed packet not forwarded through ubuntu

My network structure is as follows: Network structure       Win XP       <--------->       &...
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1answer
67 views

Spoof ip for my dad

so i need to spoof my ip to mirror my dad's. He has a webpage and e-buisness and its been compromised - basically, i need to take a look inside the dashboard. He has had his ip whitelisted so using ...
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2k views

Can MAC spoofing make DHCP run out of IP addresses?

I was reading this page, when I came across this warning: WARNING!: DHCP reservations generally rely on a MAC address to reserve a particular IP address assignment. If you randomize your MAC ...
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1answer
23 views

URL has been mapped outside of hosts [closed]

If I ping pagead2.googlesyndication.com, it goes to some spam IP in Ukraine, rather than google. It's not in my hosts file. I can't override it with my hosts file either Where would it be?
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642 views

Spoof network gateway

If I said I wanted to spoof gateway to make device 2 on LAN look like gateway when router/modem by att is really gateway, technically be man in the middle? So all devices traffic on LAN would go to ...
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1answer
599 views

ip spoofing in my own LAN

The log of my router display such a message: IP SPOOFING ATTACK:IN=eth1.3900 OUT= MAC=5c:XXXXXXXXXXXXX SRC=192.168.1.10 DST=85.XXXXXXXXXX LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=5750 PROTO=TCP ...
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521 views

Wireshark Remote Packet Capturing

Just started to learn Wireshark. I learnt how to capture packets from my system to any other to which it sends the packets. What if I want to track all the packets flowing through my router, as if I ...
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7k views

Spoof a chromebook's MAC address

How can I temporarily change a chromebook's MAC address? I know this can be done on Windows with certain tools, and Android with root privileges, but can it be done on Chrome OS?
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32 views

Redirect/Resend IP packets after WakeOnLan

my old pc is playing home server now and uses a lot of energy. Therefore i'd like to suspend it, when it's not needed and wake it up when someone tries to access it. My plan is to notify a Raspberry ...
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1answer
438 views

Duplicate IP address in 2 mac address. Mac address Spoofing?

Setup as below: IP camera <-LAN cable-> CPE ))) wireless ((( AP <-LAN cable-> PoE switch <-LAN cable-> APcontroller When the CPE connected to AP device in wireless, the APc would receive ...
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99 views

How to change the content of a given URL for a specific application?

For testing purposes, I need to change the contents of a given URL, to see how an application would react to it. Is there any way to do this on Windows? Ex.: Make Foo.exe get <html><body>&...
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476 views

How do I change my MAC address on GNU/Linux?

I'm trying using macchanger (ip link set wls1 down, macchanger -r wls1 and ip link set wls1 up) but it doesn't work. When I try to connect to my wifi the MAC address is set to the default value... It'...
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2k views

NetBIOS packet probing (port 137). Does it come from the router?

For quite a while my machine's firewall has been detecting strange packets, seemingly coming from my router. I cannot explain this behavior. I suspect that somehow an attacker from the outside is ...
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1answer
90 views

How to Monitor network calls by exes installed on Computer

I want to Monitor websites getting connected by exes installed on my system. I suspect one of the exes I've installed is remotely connecting to some spammy website to send information secretly. Rather ...
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595 views

How can I check if my server enables IP spoofing through Source Routing

I have seen several articles and forum answers like IP address spoofing using Source Routing. All these articles/answers claim that the most of servers already defend me against this attack. But I ...
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1answer
1k views

I need to spoof the source IP of a packet

I'm running some tests for a security project and here is the scenario. I have a SIP server (SBC) that accepts calls from a list of IP addresses. I have a SIP INVITE packet and I want to send to that ...
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2answers
2k views

How can a WiFi router recognize MAC address change of a connected device?

My teen son and I are playing a hacking game. I've installed an WiFi router with parental controls, MAC filtering, VPN, etc. I block Internet for him, he tries to break out of the cage (for now I'm ...
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94 views

Spoof OS for VPN?

My company uses Juniper VPN for remote access. Unfortunately, they have not upgraded Juniper to allow remote access for Windows 10. Juniper uses Java and executables to verify. Is there a way to ...
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538 views

Running into problems while spoofing IP Address

I have a Ubuntu machine and I want to send spoofed IP address (.212) to a Windows machine. I am using a spoofing program for this which uses raw sockets. 192.168.1.185 - My machine's IP (Ubuntu) 192....
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107 views

Temporary DNS spoofing - Cause and strategy against

Scenario: A hardware router is used to connect a network to the Internet. The router uses the ISP's DNS servers and features an up-to-date firmware (no vulnerabilities known). DNS caching is disabled. ...
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89 views

internet disconnects after cloning MAC in Ubuntu 14.10

Whenever I connect the LAN cable to my new laptop, there is connection, but the web is not accessible due to MAC mismatch (my old laptop's MAC is registered with my ISP). When I spoof the MAC address ...
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1answer
1k views

Redirect to a particular YouTube video link if a person opens any YouTube page

I want to redirect all the users in my WiFi network who ever open YouTube or any YouTube video to a particular YouTube video. It might require editing the URL. I don't know if we can call it ...