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Questions tagged [sniffing]

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

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0answers
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Bettercap/ettercap unable to detect HTTP packets

Basically, I am trying to sniff the network traffic from my other computer. So here's the situation: I am in a network, where: 192.168.1.1 - default gateway 192.168.1.24 - "victim" (my other ...
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1answer
52 views

Use bettercap to sniff traffic going through a proxy configured in the browser?

Using bettercap, how can I intercept traffic which goes to a proxy server which is configured in browser? With no proxy configured it is working fine. But as soon as a proxy is set in the browser ...
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4answers
3k views

Eavesdropping vs. sniffing

I'm taking a coursera course, and they take pains when talking about network security to distinguish between eavesdropping and sniffing. According to their definitions, sniffing involves reading or ...
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1answer
80 views

How can i sniff Telegram packets before they get encrypted?

So how can I sniff packets that are being sent from my computer to their server and from their servers to me using a sniffing app like Wireshark? right now when i use Wireshark, they are all ...
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2answers
4k views

Is telnet secure through SSH tunneling

Firstly sorry, maybe dumb question, but I have one service running on my server which can be operated only by telnet (port 23), but I know that telnet is insecure, so I blocked port 23 in iptables ...
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1answer
34 views

Tor website as proxy like receiving server

I want to create a anonymous application that will send data all the time to my server. I don't want my ip to be exposed so I wanted to use Tor. I wanted to send sniffed packets to this server and ...
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2answers
58 views

Analyzing pcap on the fly [closed]

I want to create a mini sniffing network. I asked in a previous question about how to capture and decrypt packets in real time. Now I want to analyze it, and I am developing a script for it but can ...
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1answer
73 views

Sniffing WiFi using monitor mode long-term and decrypting

So I wanted to sniff packets in my WiFi network. To capture them all I use monitor mode (as suggested in my previous question) . I know I can decrypt traffic using key by setting it in the wireshark ...
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1answer
64 views

Differentiating between IKEv2 and OpenVPN Traffic

There is a WiFi network that I regularly use, and it seems to be blocking all VPN traffic other than IKEv2. I tested this by downloading many of the free/freemium VPN apps from the Google Play Store ...
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3answers
74 views

Is it possible to intercept the payload of a secure request in plain text?

Consider we run the following request: import requests url="https://secretsub.example.com/secretpath/post.php" payload = {'secretmessage1' : 'foo','secretmessage2' : 'bar'} r = requests.post(url,...
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1answer
165 views

Sniffing an outbound HTTPS packet - only intercepted by certain software, can't decrypt

I'm trying to sniff an SSL-encrypted outbound packet. It's sent by the game Mass Effect 3 to an EA web service. When I sniff packets with Nirsoft SocketSniff, I can see the packet (positively ...
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0answers
187 views

Sniffing Tool Using Monitor Mode [closed]

As I understand it (fix me if I am wrong), there are two main ways of sniffing traffic from my wifi. I can use ARP Spoofing, to poison a device on my network then capture all of its communication. I ...
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1answer
116 views

Where is the data generated by ettercap -T -i wlan0 saved? [closed]

I executed this command out of curiosity: ettercap -T -i wlan0 After a couple of seconds, it started flooding my terminal emulator with loads of data (sniffed data, I guess). I think this data is ...
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0answers
39 views

Sniffing devices in a serial topology

I have the following setup: PBX Server -> Internet -> LAN -> IP Phone -> Workstation (PC) Which means that my computer is connected to the LAN, through a Dual Ethernet card on the IP ...
1
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1answer
170 views

Bettercap output file is empty after capture

I am trying to do a sniffing attack and I want to save a .pcap file with the result of the analysis. I use this command: bettercap --interface eth0 -X --proxy --sniffer-output /root/Escritorio/file....
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1answer
106 views

Can someone check internet usage using MAC Address [closed]

If I were to briefly connect to a network for like 2 mins would they be able to see everything i've browsed from my home network? If they knew my mac address? Sounds like a stupid question but am not ...
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1answer
51 views

Identify Network of Wireless Packet

When sniffing wireless packets from multiple networks, how do you tell which network a packet belongs to? The best guess I have right now is that you need to see the handshakes and get the mac addr ...
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1answer
199 views

Can smart power meters read key presses on a wired keyboard?

Smart power meters are becoming quite prevalent. Question: Can a smart power meter (with patched firmware) read the keys pressed on a wired PS/2 or USB keyboard, connected to a desktop computer? What ...
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1answer
828 views

How to use Wireshark to capture HTTP data for a device on the same network as me

I've setup a wifi router and connect my Kali Linux laptop and my Android mobile phone to it. I do know the password already (I've set it up) and I want to sniff all the data coming and going to the ...
2
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2answers
504 views

Data sniffing on a WEP 128-bit encryption

I am relatively new to cybersecurity and hacking and I aim to learn ethical hacking as a passion alongside my mainstream education(Electrical Engineering). My setup: I have set up my very own WEP ...
4
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1answer
804 views

Where would I place a sniffer to capture data in a home network with the following topology?

I am aware of the various techniques that there are to sniff around a network that has Hubs or Switches (port mirroring, hubbing out, use of taps), but I am not sure which method would be more ...
1
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1answer
613 views

How do I capture Wifi traffic in the wifi channel spectrum?

How could I capture traffic from every AP near me? For example using tcpdump or tshark and a channel hopping script(Channel 1-11). Is this possible? I have tried with tcpdump and a channel hopping ...
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0answers
350 views

Can https traffic be sniffed on public networks? and will a vpn help security on public networks? [duplicate]

I'm getting into network security and similar lately (still a noob though) and I was playing around with wireshark. I know you can sniff http traffic very easily and I read here on stack exchange that ...
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2answers
142 views

Does VPNs even protect ftp and virtual machines connections?

I have to go out for some days and I'll stay in a hotel. During these days I will also have to work on some websites code and VMs that call external APIs. Not being a system administrator nor a ...
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2answers
148 views

Legality of sniffing own traffic between mobile app and server

Recently I found a bug on a mobile app which claims to protect their users' privacy, however after connecting my phone with burp and installing a certificate I noticed that this app was sending a ...
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1answer
573 views

How does WiFi NIC monitoring mode work, if at all? [closed]

I always wondered, when connected to WIFI network, does my NIC receives packets directly from other computers (not ones that passed through the router) and ignores them (similarly to what happens when ...
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4answers
663 views

Sniff packets of a wired computer

in my home network my own PC is connected with a wire to the router. I want to do some analysis on the packets so I got an old laptop and tried to sniff my PC packets with the laptop (that is ...
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1answer
354 views

Site-to-SIte OpenVPN with shared key

I have two physical sites each with edge router/firewall running pfSense they are directly connected through a WAN link. I've deployed site-to-site OpenVPN using pre-shared key to create tunnel on top ...
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0answers
185 views

Detecting Guest to Guest Traffic in Virtualbox Using Host Running Snort

Not sure if this is a simple question but I was hoping for some insight into finishing a pentest lab. My goal is to have Snort sniff an attack in a virtual environment between two guest VM's. My ...
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1answer
696 views

Why does Ettercap scan the wrong hosts?

Details: I'm running three virtual machines on VMware Workstation: Virtual Machine 1: Windows 7. Using static ip: 10.1.1.1 Virtual Machine 2: Windows server 2008. Using static ip 10.1.1.2 Virtual ...
3
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1answer
153 views

Security onion only Seeing broadcast traffic and its own traffic

I am attempting to test my new security onion install. I have it set up on a static IP Ethernet adapter in a virtual machine with an IP of 10.0.3.47 When I go launch Sguill, it seems to work well ...
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1answer
159 views

Does netdiscover spoofs ip address?

I am trying to discover hosts in my network. So I have connected external TPLINK wireless card to my virtual computer for internet and when I do ifconfig, it gives me IP address, 192.168.2.6 I used ...
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1answer
848 views

Sniffing ldap credentials?

I am going to performing an internal pentest. Is it possible to sniff active directory credentials using Wireshark or Ettercap when a user logs on and authenticates to using their domain credentials?
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1answer
728 views

Is a Captive Portal Wifi AP as insecure as an open unencrypted Wifi?

As far as I understand, the captive portal is implemented by some sort of iptable firewall rules. Since there is no handshake established during the initial association with the AP(As no passphrase is ...
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0answers
122 views

How feasible would it be to sniff traffic between an Authentication Server and a RADIUS server in a corporate setting?

For WPA enterprise in the corporate world, is the RADIUS server connected to the Authenticator/Access Point wirelessly or 'wiredly' for most situations? If they are connected wirelessly, does this ...
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2answers
1k views

Is is possible to decrypt 802.11 for WPA enterprise?

So it is fairly trivial to decrypt 802.11 for WPA-PSK as explained in this link https://wiki.wireshark.org/HowToDecrypt802.11. Is it then possible to decrypt the same way for WPA enterprise?(Assuming ...
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1answer
380 views

Sniffing the whole traffic within a network range

How is it possible to sniff the whole traffic within a network range even if it's beyond your subnet scope? For instance, consider your machine having the IP address of 172.16.96.25, but you need to ...
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3answers
489 views

Best options for SSL inspection while maintaining Perfect Forward Secrecy

We are looking to monitor inbound HTTPS connections for performance issues as well as errors. HTTP requests we are able to gather this information just fine, but we don't have a way to do this while ...
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1answer
98 views

Which chain of the iptables receives the sniffed packets

Host C is using wireshark to sniff packets from Host A to Host B. I am able to see those packets from wireshark but I am not able to find them in the PREROUTING chain of iptables. When Host C ...
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0answers
23 views

Invisible SSL sniffing [duplicate]

My question is pretty brief: may I accomplish invisible sniffing of secure traffic with(HTTPS) via sniffer, using my own certificate but signed by some commonly known CA(like verisign or smth like ...
4
votes
1answer
85 views

Would it be possible for an ISP to guess specific requests on an HTTPS site using package size? [duplicate]

In light of the recent senate decision in the US to allow ISPs to sell users' browsing history, I've been reading of recommendations on how users can retain their privacy. One of the common ...
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2answers
253 views

Wireshark / TCPdump captures only part of HTTP request packets

I wanted to do some in-house research and check how many and what kind of packets I can capture from/to my in-house open Wi-Fi router. I had Kali Linux installed on Windows 10 machine (Virtualbox) ...
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2answers
1k views

Sniffing unencrypted traffic in datacenter

Please explain how is it possible to sniff packets from within the datacenter. Some background. I am studying networking options for DigitalOcean. My goal is to make sure that data exchange between ...
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1answer
372 views

Sniff API request through proxy

I have an iOS application that consumes an API. That application sucks so I was trying to "discover" that API and make my own application consuming that API. The issue is that the API is under SSL/...
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2answers
347 views

Sniffing the data around me

Scenario: no router, just a laptop network card turned in monitor mode. (imagine you are in the bus or train) In this scenario can I see all the data that is going through air around me? Can I ...
0
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1answer
87 views

Is it possible to analyze real Single Sign-On (SSO) messages via network sniffing?

I am thinking how to gain and analyze the information in the real SSO (request/response) messages, for some commercial SSO solutions. The challenge is that most commercial SSO solutions are black-box ...
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0answers
23 views

Can someone without router password sniff packets of all device connected on it? [duplicate]

I am right now connected to a public wifi that I trust because it's the Wifi of my college. But I am worried that other students connected on the same network can see my browser history using packet ...
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1answer
2k views

What does SSI signal does mean in captured packets in wireshark?

In the packet captured below, captured by wireshark does the SSI Signal in dBm represents the power at which the sniffing network adapter (say USB network adapter wlan1 on Raspberry Pi3) received ...
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1answer
131 views

Sniff packets of a remote network [duplicate]

Is it possible to sniff some packets from a friend network from my network? If it's possible, how?
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1answer
344 views

blackbox pentest newbie - find valid internal IP adress from unknown range

I`m a beginner and would like to know, how can you find a valid IP adress to start your scan, if all you have is the LAN cable....nothing more. No DHCP is enabled. Any hints or clues on how to figure ...