Questions tagged [man-in-the-middle]

Man-in-the-middle (MITM) describes a type of security attack where a device that is physically or logically situated between the sender and receiver impersonates them.

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Attackers monitored my gcp VM and front-run every action I made [closed]

I made a high frequency tradebot hosted in my GCP VM. It monitors orderbook on an exchange through WebSocket and send orders through their RESTful API. What happened Since few weeks ago, it keep ...
Jeffrey Chen's user avatar
-1 votes
1 answer
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Can you get the network password when someone tries to connect?

could you get the network password of a network if a device tries to connect to the network by name with the password, but the network is basically a MITM Network? I don't know how to formulate this ...
aberst's user avatar
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How to intercept data transmission on a LAN?

I have a piece of electrical hardware (a power inverter) which is hard wired to my router and transmits usage data to a third party vendor at regular intervals. The vendor provides a convenient web ...
But those new buttons though..'s user avatar
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using iptables nat to connect two machines unaware of each other

I have done it several times in the past, but after more than 10 years that I've been away from networking, I just cannot make it work again: I have three machines, A B and C. Both A and B can see C, ...
Xrus's user avatar
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How to perform Man in The Middle between two link local ipv6 addresses

I'm trying to do a Man In The Middle between a computer and a device which communicate only using IPv6 link-local addresses. I've used ettercap in a Kali Linux VM to successfully put myself between ...
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5 answers
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Unable to to install sslstrip in kali linux with "apt-get install sslstrip" causes error "Unable to locate package sslstrip"

I have a kali linux vm provided by my university. It doesn't seem to have sslstrip preinstalled. When I try to install it, I get this error root@kali:~# sudo apt-get update && apt-get ...
Enzio's user avatar
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-2 votes
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How can I sniff the traffic used to set options on the router?

I'm sorry if this ends up being a duplicate; I have read a number of similar questions on here, but none seems to quite fit what I'm asking. My broadband provider, Vodafone, gives my the ability to '...
John Gowers's user avatar
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How can I make Firefox ignore certificate issuer errors?

I'm browsing from behind a Firewall using this weird proxy server, which essentially acts like a man-in-the-middle and switches up the SSL certificate of the server with its own. So the certificates ...
einpoklum's user avatar
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3 votes
1 answer
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Open captive portal in regular browser?

I just read this question How does Firefox know my ISP login page? which made me think of a related issue: On all devices I have, the captive portal is opened using, I guess, a "browser view" rather ...
d-b's user avatar
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Sniff ethernet communication

I have a setup in which I'm connected to a switch and there are 2 more devices there. Just protocol converters ... that have recently stopped working. Since this equipment doesn't have any type of ...
morcillo's user avatar
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Have contents of email have been changed in transit?

A colleague of mine received some bank details in an unsecured email from a company. He used the details in the email to pay a sum of money into an account. The company that sent him the email to him ...
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Fluxion disconnecting both of my external and internal wifi cards

I installed fluxion in raspberry pi so i can use it on the go. I mainly connect to my pi using ssh and vnc. I plugged an external wifi adapter to my PI to support monitor mode, but when I select my ...
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SSH to router shows man in the middle attack, am I being attacked?

This starts to happen after I changed certain things. I am in the progress learning how to setup my own server at home, have that server be accessible in public outside my LAN. In the mist of trying ...
Code freeeeeeeze's user avatar
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Does Ap Isolation protect from Middle Man Attacks?

So the network I am connected to has the feature ap isolation and I do understand the meaning of ap isolation, is in summary the imposibility for any device to communicate with some other with the ...
Jonathan's user avatar
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MITM redirecting to my own NTP server, blocking traffic to Apple NTP pool

CONFIGURATIONS ipv4.forwarding 1 (ON) arp_cache_poisoning between VICTIM & D.G.. (192.168.1.100 & 192.168.1.1) **LAN** VICTIM: 192.168.1.100 ATTACKER: ...
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How to remove Bitdefender root certificate from Firefox/Thunderbird/Chrome

I'm using "Bitdefender Antivirus Free Edition 1.0.9.54" on my Windows 10 home PC Antimalware Engine 7.73769 During the last days I got a popup which asked me to shutdown Firefox/Thunderbird/Chrome in ...
Simone Avogadro's user avatar
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Is there any possibility of a man in the middle attack?

Sorry if my question sounds dumb, maybe it is, I am worried about a detail that I have noticed. If I was more expert about the topic I am going to ask you about I would certainly not ask about it, so ...
jq98euq3's user avatar
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1 answer
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Iptables sometimes don't work like I think they should

I'm trying to do a man-in-the-middle attack on my local network and I'm trying to replace the navigationshilfe1.t-online.de server with my own server. Later I want to replace a custom service instead ...
mohe2015's user avatar
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1 answer
392 views

Thunderbird asks for passwords after some time from setting up the accounts. Passwords expiration?

When connecting email accounts to Thunderbird, I've checked remember this password option. But after a few weeks of password reentering-free life, it asks for the passwords yet again, out of the blue. ...
vucalur's user avatar
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Why are some websites seemingly immune to self-signed certificate MitM attacks?

I recently did an experiment using MitM to gain account information (username and password) while accessing websites. I used two PCs in the scenario; one as the target, running Internet Explorer, and ...
Pierrot's user avatar
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1 answer
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Usb comms intercepter

I have a question about intercepting and recording USB between two devices. First, let me give y'all a bit of background. I'm trying to connect a USB device, an Anritsu PSN50 power meter to my ...
DarkStar's user avatar
2 votes
1 answer
2k views

Web WhatsApp doesn't show behind proxy

I have proxy with SSL bump configured. While this is on, WhatApp we doesn't show, why?
Dims's user avatar
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Is my router trying to MITM my office365 connection?

I recently installed a new BT HomeHub6 router for my household internet connection. It's been less than 24 hours, and I'm seeing a warning pop up on my desktop computer occasionally regarding Outlooks'...
belial's user avatar
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128 votes
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How do I deal with NET:ERR_CERT_AUTHORITY_INVALID in Chrome?

My work place intercepts SSL connections, looks at their contents, and then passes the data to and from my machine and remote hosts - a kind of man-in-the-middle attack. This is not uncommon in ...
Richard's user avatar
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namebench says hosts are being hijacked by my DNS - is this for real?

I've been experiencing strange and annoying latency issues with my connection, despite the bandwidth seeming ok - especially latency with name resolution. So, I just ran Google namebench. So, it gave ...
einpoklum's user avatar
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2 votes
1 answer
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Can't get windows host file to forward HTTPS headers

I'm currently trying to write a proxy in C# using the host file to redirect requests (specific request). I only want it to intercept one address. It's on Windows and the proxy is run locally on the ...
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3 votes
1 answer
191 views

Paypal shows red https in chrome, and only in Chrome.. is this cause for concern?

Firefox seems to be OK with it, but I don't want to log in on any browser in case I have some malware doing this. However I can't seem to find anything, so I'm not sure what it is. Chrome says it's ...
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104 views

EVIL AP - Internet connection bridging issue

I've been trying to create an EVIL AP scenario in my test lab for a couple of days, but I always face the same issue. I can connect to the WIFI adapter and I receive an IP address etc, via dhcp. ...
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1 vote
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Security of Time Machine's AFP connection

I use Time Machine to backup my Mac over the Internet on a Synology server. TM connects throught AFP protocol, it this protocol resistent to Man-in-the middle attack (attacker can't steal creditials ...
Bobík's user avatar
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Problem creating evil twin using airbase-ng

I am trying to create an evil twin access point using airbase-ng.I am creating a hotspot using my mobile and connecting anther mobile to this hotspot.Now I am trying to create an evil twin access ...
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2 votes
0 answers
1k views

iOS 8 https proxy not working

I use Cellist from the Mac App Store as a http/s proxy on my mac and it supposedly was possible to intercept https traffic via MITM attacks with it, but ever since iOS 8 there must have been a change ...
Constantin Jacob's user avatar
3 votes
1 answer
9k views

How to use Charles as proxy to decrypt HTTPS messages in Wireshark?

I know I can view decrypted HTTPS data directly in Charles. But I want to view lower level SSL messages in Wireshark. So I setup Charles as the SSL proxy, using my own certificate, and I setup SSL ...
an0's user avatar
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7 votes
1 answer
321 views

Repeater injected to my network?

I know this is not that kind of support website but on the other side I found my problem very fascinating so I'll post it anyway. Yesterday all of my machines disconnected from my home network. It ...
Lama's user avatar
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0 votes
1 answer
1k views

MITM Proxy - Checking Validation of SSL Certificate Chains

I am attempting to check our Android app's SSL Certificate Validation. I have MITM Proxy running on my Mac and am using the Mac as a Proxy for my Android phone. I can see all of the Android's http/s ...
Chris's user avatar
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2 votes
1 answer
325 views

Using CERT Tapioca on VM

I have been attempting to get CERT Tapioca (http://www.cert.org/blogs/certcc/post.cfm?EntryID=203) running on my Mac so that I can test the SSL/HTTPS security of our Android app. Up to this point, I ...
Chris's user avatar
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1 answer
2k views

Fiddler: Is it possible to replace/hide part of URL without affecting the content?

I'm using Fiddler debugging proxy, And the code below can intercept the server(YouTube) data and modify the HTML information before it reaches the client(my web broswer). if (oSession.HostnameIs("...
nasekt's user avatar
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-1 votes
2 answers
322 views

If man-in-the-middle attacks are rare, is Heartbleed as serious as suggested? [closed]

I connect to the internet on a secured wireless connection. I'm pretty sure nobody has MITM'd me on my LAN. How else could someone using Heartbleed to steal private keys access my data? I understand ...
Cameron's user avatar
4 votes
2 answers
1k views

Router eavesdropping on SSH tunnel?

So I'm on a public WiFi network that blocks websites like YouTube in order to conserve bandwidth. I'm assuming the router is monitoring all traffic and rejecting all requests sent to the sites on its ...
eyuelt's user avatar
  • 141
7 votes
1 answer
10k views

Inspecting websocket traffic with proxy

I'm using Charles Proxy to inspect traffic from my Android apps. I have the phone configured to proxy all traffic through Charles, which is installed on my PC. Everything has worked thus far (HTTP/...
blizz's user avatar
  • 403
-2 votes
3 answers
4k views

How to stop my brother's MitM attack

My brother's repeatedly locking my computer with his phone using a man-in-the-middle attack and screwing up my DNS cache. How can I get my computer to refuse to interact with 192.168.0.65 and prevent ...
Niet the Dark Absol's user avatar
0 votes
1 answer
1k views

Exlude IP from Ettercap Hosts

I am messing around with Ettercap and performing some MITM on my own home network. I have Ettercap performing the MITM fine. I have my iPhone on the network and it autoadds the iPhone. I then run ...
user28891's user avatar
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4 votes
0 answers
998 views

MITM the Android emulator

I am trying to man-in-the-middle the Android emulator so I can decrypt the SSL-traffic with sslsniff. The problem is that the traffic doesn't seem to get routed through sslsniff, even when I have ...
user1049697's user avatar
3 votes
2 answers
172 views

How does HTTPS avoids the key for encryption to be sniffed in the first place?

When a 2 computer establish an HTTPS connection them have to resolve what key is going to be used, right? So, to do that, at some point the key have to travel unencrypted from one computer to another,...
Zequez's user avatar
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2 votes
2 answers
681 views

Tricks for truly securing SSH connections

I know SSH is secure as long as you're not suffering a MITM attack, but I want to know if there's a way to make SSH 100% secure even under such circumstances, discover you're being sniffed and ...
Gui Prá's user avatar
  • 133
4 votes
4 answers
951 views

Strange phishing attack?

When I login to wachovia/wells fargo/amazon/paypal , no matter the user/pass that I insert, i get a "we need to verify your information" page where they ask me everything, from the atm pin to my ssn ...
Magnetic_dud's user avatar
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1 vote
2 answers
359 views

how to use open wi-fi without a VPN, but remaining secure?

Is there a way to use open wi-fi with your laptop, but WITHOUT using a VPN solution, in a secure fashion? (i.e. to avoid man in the middle, passwords in the clear etc) For example all that comes to ...
Greg's user avatar
  • 309
3 votes
4 answers
18k views

Detecting man-in-the-middle attacks?

There seem to be many possible ways to create man-in-the-middle attacks on public access points, by stealing the access point's local IP address with ARP spoofing. The possible attacks range from ...
Ilari Kajaste's user avatar
2 votes
3 answers
364 views

How do I avoid the new SSL vulnerability?

What can I do today to avoid the new SSL vulnerability? I have been listening to the Security Now podcast, episode 223: "The Trouble With SSL". MP3 for episode 223 (42 MB). Transcript. ...
Peter Mortensen's user avatar
271 votes
11 answers
811k views

Remove key from known_hosts

I built several virtual machines during the last few weeks. The problem is, the .ssh/known_hosts gives me the Man in the middle warning. This happens because another fingerprint is associated with the ...
Adam Matan's user avatar
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