Questions tagged [sniffing]

A sniffer is a program that monitors and analyzes network traffic.

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Can an attacker sniff the encryption details when connecting to a VPN? [duplicate]

I thought I would be protected from sniffing if I use a VPN, even in a setting where my traffic is going through a «man-in-the-middle» either by ARP poisoning or an evil twin attack. Now I was told, ...
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Are there any attacks against TLS 1.1 encryption? [duplicate]

I've been researching the main TLS 1.1 vulnerabilities, and from what I've seen, TLS 1.2 only improves the cryptographic hash functions, because TLS s 1.1 are broken. If these hash functions are ...
P00's user avatar
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How can authoritarian governments sniff TLS encrypted traffic on mass scale?

I tried sniffing TLS web traffic on my own network and I always run against the following complications: I need to install an additional root cert on my devices I need to root my phone to do ...
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How easy is it for hackers to intercept http traffic between VPN exitnode and the destination web service without being inside the VPN or web server?

Let’s say I’m using http connection over a properly set up VPN with secure protocol and implementation. Then, most likely, the connection will be secure all the way until it exits the VPN server. But ...
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What is the name of the box that hackers connect to a router in order to spy on all your traffic?

I watched a documentary where hackers entered a victim's house by pretending to be from the ISP and then connected a box to a router in order to spy on all of the victim's traffic. Later, the hackers ...
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Is TLS needed on loopback for local security?

So the scenario is that we have a server shared with a number of users, with me being the server administrator and able to determine permission assignments. The server is running a service on loopback ...
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On the gains and losses of an additional client side stretching of the user password [duplicate]

Picture a state of the art implementation of a website registration and login system. I'm interested in analyzing what a defender gains and loses by feeding the user password to a key-stretching KDF ...
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fTPM more secure than TPM when using Bitlocker?

Is fTPM more secure than a real TPM module when using Bitlocker? As far as I know, you should enable pre-boot authentication if you use a TPM module that is plugged separately onto the motherboard to ...
Opa114's user avatar
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Can packets on one home wifi network be sniffed by a computer on a different home wifi network?

It seems that every question I've researched on this topic makes the general statement "on my home wifi network" which doesn't specifically address my question. I'm about to start a new job ...
Scott's user avatar
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Is authentication through mail clients safe when encryption is off?

When adding an account on a mail client, the SSL/TLS is usually turned off and the encryption method is 'none' (see Outlook example below). Is the password safely sent through the internet when ...
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If I only connect through encrypted protocols like TLS, is there still a risk over an insecure wifi?

Assuming the attacker can read all the traffic (he cracked my WPA2 for example), is there still something he can do if i'm only connecting through TLS and similar protocols ?
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Why do we need to connect to a network to be able to read all packets while packet sniffing?

I can't understand much about packet sniffing operation when it's in a network. Well, packets are encrypted with PTK to prevent sniffing from monitor mode but when we are in client mode and we ...
copymeows's user avatar
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What's injected interception?

I was reading this pdf and at slide number 23 and 24 I read "injected interception". What's that means ? in my mind it should be a type of interception that are made by injection. I mean I ...
Lews's user avatar
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How can someone on the same GPON splitter network sniff my internet traffic?

I currently have a fiber optic internet connection at home. My ISP uses GPON where the ONU acts as a gateway device which has a direct fiber optic connection to it. ONU is a Huawei HG8145V5. I ...
Albert Kinterman's user avatar
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What information is sent through companies VPNs?

I'm currently working at home. My employer provides me a VPN access to the company resources: intranet, ssh access to computers, etc. I was wondering what exactly means to use a VPN, and what type of ...
Pythonist's user avatar
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Looking for origin/ verification of malicious domain names [closed]

My network sniffer for websites has discovered a number of hosting domains in the report which I can not correctly assign to categories. I don't know if there are providers behind these domains that ...
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Can a powerline network adapter be more easily used to listen to traffic on another router?

A roommate of mine asked me to connect a powerline adapter to the network. The ethernet cable of the adapter is connected to an Apple Airport Express router which is connected to a Frontier Internet ...
Nona's user avatar
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What data can be sniffed in a LoRaWAN network at various points?

What data or metadata can be sniffed in a LoRaWAN network at various points like the end-device (node), the gateway, the network server and the application server? Is there exists a standardized data ...
Karthik's user avatar
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Is it possible to detect a Telegram user by sniffing traffic?

Here's the article from the Belarusian website http://dev.by, it is an interview with a former member of dictator Lukashenko band (so-called Chief Organized Crime and Corruption Fighting Directorate). ...
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VPN data encryption from VPN server to destination

When we connect to a VPN server, all data that we send and receive are in encrypted form. But when data is sent from the VPN server to the destination, is the data encrypted? If not then any hacker ...
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Can an attacker intercept mobile traffic exploiting SS7 vulnerability?

Can an attacker intercept my mobile traffic exploiting the ss7 vulnerability even if encrypted?
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Extrapolating home address of a visitor when they click on an e-mail phishing link (Mr Robot)

In Mr Robot season 3, the feds are set up in a safe house spying on Elliot's internet communications (with packet sniffers?) when they intercept an email from Elliot to someone else containing a link ...
user610620's user avatar
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besside-ng "bad beacon" error when attempting to deauth (aircrack-ng)

Equipment: Alfa AWUS036ACH Wi-Fi adapter AC1200 Fresh Install of Kali Linux, fully updated (not on a VM) I have been running across this same "bad beacon" error (sometimes with "DEAUTH&...
frankfooter32's user avatar
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Hide devices connected to WiFi

I'm a noob in home security and networking. I suspect one of my neighbor is sniffing packets destined to my wifi router. I have many questions about this Will they be able to identify the no. of ...
skab's user avatar
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Can message length be useful information?

Suppose a packet is encrypted and sent via an insecure channel so that it is intercepted by a malicious third party as well as the intended recipient. As long as a suitable encryption scheme is used, ...
Franklin Pezzuti Dyer's user avatar
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Wireshark how do I see data from a phone on the same network

So I am wondering how can I see the data on wireshark? I have my router setup to where there is no password so I can automatically connect whatever devices on to my network. First I connect my phone ...
Seng's user avatar
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1 answer
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How to avoid password TCP message sniffing and subsequent hijacking

I'm developing a TCP Streaming API for "IoT" devices in LabView. The TCP Server will be listening to a certain port, and our devices will try to connect to it. In order to know that the connecting ...
Héctor's user avatar
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2 answers
3k views

What does WPA2 traffic look like to a packet sniffer that is not connected to the network?

Imagine there is a wireless network using WPA2, and an attacker has come along with his wireless card in monitor mode. What will the packets from that network look like? Is any information disclosed i....
RandyAnon's user avatar
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I have .Kismet files in my root directory. Where could they come from and are they dangerous?

I use Parrot OS security. When i was listing the contents in my root dir i noticed some weird file names that end with .Kismet. I know that kismet is a network intrusion detection software which is ...
sleVen's user avatar
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Intercepting TCP traffic through MITM attack

I'm trying to capture TCP requests through Burp Suite with this hacky method. Basically it listens for user selected protocol requests (TCP/UDP) and then forwards them to Burp Suite (or any other ...
Leon's user avatar
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Remote working. Is my employer able to monitor my activity

Due to situation, my employer made a work-from-home policy. And remote administration tool is not installed, since I did clean installation of the system. Is my employer able to see my activity? ...
Mobutu Sese Seko Kuku Ngbendu's user avatar
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1 answer
334 views

Using an active or passive scan, can I detect all devices connected to or transmitting via a Wifi network?

I know that it's possible to do a passive scan on all channels to see if an access point sends a beacon. However, is it also possible to listen to general Wifi traffic on that channel and assemble a ...
finefoot's user avatar
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3 answers
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Is there any point of arp spoofing on a wifi network?

I know that arp spoofing is required on a LAN network due to the fact that data is sent directly to a destination, but what about for a WLAN network? All packets can be seen if you are in promiscuous ...
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2 answers
755 views

Can Wireshark resolve https domain name?

Can I use Wireshark to see what websites are visited on my network? I'm just looking for the domain name, and not a full url or any credentials. Would I need any additional tools such as sslstrip to ...
user avatar
5 votes
3 answers
3k views

What are the advantages and disadvantages of using a HackRF One compared to specific protocol sniffers?

I am performing some research on IoT test tools and came across the HackRF One which can transmit and receive from 1 MHz to 6 GHz. I therefore think that it can analyze many protocols, but I cannot ...
Maikkeyy's user avatar
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Sniffing Traffic Android App [duplicate]

So, imagine that a vulnerable app provides a login interface. This login sends the user's credentials to the App's server to authenticate the user. However this is done via HTTP, therefore not secure. ...
nachofest's user avatar
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1 answer
5k views

How to sniff direct websocket connection in android ( i.e. no HTTP Upgrade connections ) using BURP?

I've pentested a lot of websites and a few apps too but this app eludes them all. On the websites, when there's a websocket upgrade the BURP proxy recognizes it and starts showing it in the websockets ...
temporarya's user avatar
1 vote
0 answers
134 views

Packets shown are mostly 802.11 despite open network

I'm currently trying to see if it's possible to sniff MQTT packets between two raspberry pi's from a wireless adapter in monitor mode attached to my PC. I ran the following command on my PC (Kali ...
Eugene's user avatar
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4 votes
1 answer
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Is there a reason why ARP spoofing would be used for spying instead of sniffing promiscuously?

I am a student trying to demonstrate an ARP spoofing attack. To test whether my attack was working I decided to use wireshark to sniff the packets on the attacking machine. At first I thought I was ...
Matt's user avatar
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10 votes
3 answers
4k views

Can network traffic between Docker containers be sniffed?

On normal networks, it is a security risk to send plaintext data, since attackers can sniff or even manipulate all traffic. Encryption is required for secure communication. When using Docker ...
Sjoerd's user avatar
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3 votes
1 answer
999 views

Is eavesdropping possible over smpp?

I don't know much about the SMPP protocol, but I often hear that it is not a secure protocol. If Alice sends a SMS to Bob, can Eve view what Alice sent to him? If yes, can you give an example on how ...
MrHeliose's user avatar
-2 votes
1 answer
102 views

Monitor data traffic in chrome:// protocols

With Burp Suite we can capture the traffic of protocols like http, https. But i want now monitor the data traffic in urls like chrome://settings
Cenk Ten's user avatar
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How to find sniff communication to smart card reader?

I use a smart card reader and I want to know if the reader is secure. How to sniff communication between card and card reader?
Juliet's user avatar
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1 answer
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ip_forward reverting back to 0 during ettercap subnet scanning [closed]

Im trying to arp spoof a local network but the /proc/sys/net/ipv4/ip_forward is reverting back to 0 when ettercap is performing subnet scan on a network hub. Even if i change it back to 1 after the ...
xoox's user avatar
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0 answers
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Intercept TCP traffic using Python

Situation: I am trying to intercept TCP (not HTTP) traffic on a Windows machine using Python. I am posting this question as most answers I was able to find teaches how to sniff traffic. Normal ...
Timothy Wong's user avatar
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60 views

How does an open network without a password expose other connections? [duplicate]

I read here, but that wasn't related. If userA is connected to router and userB is connected to the same router, then how can userB sniff communications between userA and the router? I've see a ...
Honey's user avatar
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1 vote
0 answers
226 views

Bluetooth security [closed]

How secure is it to use Bluetooth handsfree? Can't someone eavesdrop the signals and listen to the conversation? Does encryption in Bluetooth secure the information? Can I use anyother tool ...
just_learning's user avatar
1 vote
2 answers
3k views

Capture wireless traffic in PROMISCUOUS mode (not monitor mode)

I am trying to capture packets from other devices that are connected to the same network as I am. I know the difference between monitor mode and promiscuous mode (explained in this question), but for ...
Nht_e0's user avatar
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1 answer
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Is it possible to infer advanced cookie properties like expiration from Wireshark

I want to perform a cookie injection attack for demonstration purposes. I could achieve this using Firefox Cookie-Editor extension. However, the attack can only succeed if I enter the cookie name, ...
qbq's user avatar
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1 vote
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PEAP MS-CHAPv2 brute force attack

I have a 802.1x switch and a client authenticated using PEAP-MS-CHAPv2. I sniffed the traffic using a HUB between the client and the switch. How can I use the captured informations to perform a brute-...
lbat's user avatar
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