Questions tagged [sniffing]

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

Filter by
Sorted by
Tagged with
1 vote
1 answer
3k 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?
okhan's user avatar
  • 7
3 votes
1 answer
1k 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 ...
Lew Wei Hao's user avatar
0 votes
0 answers
384 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 ...
Lew Wei Hao's user avatar
2 votes
2 answers
4k 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 ...
Lew Wei Hao's user avatar
0 votes
1 answer
1k 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 ...
Parsa Samet's user avatar
0 votes
3 answers
1k 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 ...
user3408592's user avatar
0 votes
1 answer
314 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 ...
Lew Wei Hao's user avatar
0 votes
0 answers
29 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 ...
AseN's user avatar
  • 154
4 votes
1 answer
157 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 ...
andrewb's user avatar
  • 204
1 vote
2 answers
663 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) ...
Arturas Tamulaitis's user avatar
6 votes
2 answers
2k 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 ...
Juriy's user avatar
  • 163
2 votes
1 answer
1k 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/...
Juan's user avatar
  • 21
1 vote
2 answers
697 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 ...
user155293's user avatar
0 votes
1 answer
274 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 ...
TJCLK's user avatar
  • 838
2 votes
1 answer
4k 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 ...
haccks's user avatar
  • 145
0 votes
1 answer
336 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?
Jean Jambon's user avatar
2 votes
1 answer
1k 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 ...
honeypot2k's user avatar
6 votes
1 answer
4k views

Sniffing WhatsApp Traffic

I was wondering if its possible to obtain private keys for Whatsapp to be able to sniff traffic between two WhatsApp Android devices (both under my control). I understand that WhatsApp traffic is now ...
QPTR's user avatar
  • 257
2 votes
0 answers
386 views

What are your favorite BLE (Bluetooth Low Energy) sniffing tools? (Hardware and Software) [closed]

I will soon need to debug BLE communication for a newly developed BLE device. What are your favorite BLE (Bluetooth Low Energy) sniffing tools? (Hardware and Software)
FredericMARTIN's user avatar
-4 votes
3 answers
180 views

Capturing password typed in webpage - HTML replace [closed]

For a while I've been documenting some exploits (I was afraid about man-in-the-middle) and an idea came into my mind. When a user makes a request to a server, the browser might try to use http ...
sergiu reznicencu's user avatar
5 votes
2 answers
410 views

Why isn't a standard for encrypted but open WiFi developed?

With passwordless public WiFi hotspots, it's easy to demonstrate that packets can be sniffed and (in the case of non-HTTPS traffic) private information gained. While the long-term solution would be to ...
Luke Moll's user avatar
  • 161
14 votes
6 answers
4k views

How can a user defend against session hijacking?

Given a website with various security flaws, one of them is session hijacking, session token continuously being sent as an argument over unsecured HTTP. In my field it's not surprising that others ...
Rápli András's user avatar
2 votes
1 answer
2k views

How can you sniff packets from a switch?

For example, if you are using wireshark and you have the NIC set on promiscious mode, will this only allow you to sniff on packets wirelessy from a hub? Because a hub sends data on all ports.
Kev's user avatar
  • 51
5 votes
3 answers
4k views

Why aren't TCP sockets encrypted by default?

I've been wondering this for as long as I've been programming, Why aren't TCP sockets encrypted by default? Everyone always says that using raw sockets is dangerous as all packets sent are susceptible ...
Paradoxis's user avatar
  • 882
0 votes
1 answer
1k views

Can someone obtain URL (or just domain name) by using IP destination address of a packet even when HTTPS is used [duplicate]

When we sniffing with, lets say ettercap, we receive all packets from victim, and with that we can see Destination IP address from particular packet. So, can we obtain the domain name from that IP ...
Ewe's user avatar
  • 3
2 votes
1 answer
359 views

Is sniffing HTTPS data useful? [closed]

Now I have some sniffed HTTPS traffic, What on earth can I do with it. More specifically, is there any way I can decrypt it or understand it, any tool on kali or something? I am a bit new to the ...
user3407319's user avatar
4 votes
0 answers
131 views

Can I detect unique identifiers from random radio chatter?

I am trying to find out if I can uniquely identify smartphones (I would like to find constant identifiers such as IMEI) by passively sniffing the cellular data frequencies. I know that sensitive data ...
beppe9000's user avatar
  • 565
3 votes
2 answers
674 views

Counter measures against traffic sniffing inside a LAN

Here's the problematic I'm stuck with, in the next months I'm going to move in, in a little house in France. For the network connectivity the house owner decides to buy a single internet connection. ...
C. Jizz's user avatar
  • 41
3 votes
4 answers
2k views

Can I set up a 3g/4g Connection Proxy for Table/Phone App Pen Testing?

I would like to set up a testing environment for smartphone and tablet apps that can intercept 3g/4g communications and provide a traffic dump. I'd like to see all the 3g/4g traffic coming from, or ...
David Scholefield's user avatar
1 vote
3 answers
645 views

Are wireless card skimmers just fearmongering?

I'm not sure about other countries but Australian Banks have been releasing cards with RFID Chips in them (for what reason is beyond me since around the same time there's been payway apps which swap ...
Memor-X's user avatar
  • 113
3 votes
1 answer
2k views

How to redirect someone packets connected over the same wifi into my computer using Wireshark? [closed]

I am using Windows 10. I just installed Wireshark 2.2.1. I am connected over a wifi network with security type WPA2-Personal. Many people are connected on this same network. I have the password of ...
DataMiner's user avatar
0 votes
0 answers
95 views

How to capture data and answer with simulated data?

I use Wireshark and other relatively smaller sniffers to make some tests. I share my internet to my second PC. However, I have to spend much time for the following task, and want to know if i can do ...
T.Todua's user avatar
  • 2,727
2 votes
3 answers
289 views

Who can sniff my packets?

If I make a call to some server who can sniff my packets? Obviously anyone who is on my network can sniff, but on the server side also? My call will make several hops to the destination server, can ...
bluecastle's user avatar
4 votes
3 answers
338 views

I just found out I have unknowingly been sending a password not using SSL, how likely is it that I have been compromised?

I just realized that I have been connecting (sending user name and password) to my production MongoDB database for several weeks using MongoChef (a database GUI) without the SSL option enabled. I ...
cTylk's user avatar
  • 43
1 vote
0 answers
892 views

Decrypting a TLS/SSL traffic with Wireshark

I am trying to decrypt a TOLS/SSL traffic with Wireshark. When I start the sniffer I do get some packets with TLSv1.2 protocols but I can't decrypt them. Have seen this post, but the tutorial provided ...
user126290's user avatar
2 votes
1 answer
2k views

Sniffing TLS/SSL communication with Wireshark, possible? [duplicate]

I am trying to snif a SSL/TLS communication and thought about doing it with Wireshark. I've tried to do it and sniffed some with TLSv1.2 protocols, is that the communication? If so, how do I identify ...
user126244's user avatar
0 votes
0 answers
21 views

What are the security risks of making an app closed-source? [duplicate]

What are the security risks, if any, of making an app closed-source vs. open-source?
Geremia's user avatar
  • 1,716
2 votes
1 answer
2k views

Is it possible to sniff windows smb logons and are they encrypted?

Since tools like Cain and Abel can sniff clear text passwords off most HTML pages, is it possible to configure the sniffing of clear text windows smb logons? I tried searching it up but the best thing ...
user avatar
0 votes
2 answers
2k views

What vulnerabilities are there for a website that does not use SSL for a login page (or any pages)

I see many websites that do not implement SSL either when logging in or at all. I know that you can simply sniff traffic on those sites and therefore see the user/pass in plaintext but what other ...
user118923's user avatar
5 votes
1 answer
2k views

Unable to obtain TCP/HTTP traffic from WPA2 packets even with full handshake and decryption

The Problem On my WPA2 network, I have been successfully able to get intercept a full four-message EAPOL handshake from a particular computer on my network. It is my understanding that with this ...
saltthehash's user avatar
3 votes
2 answers
1k views

How to identify L2 devices in a Wide Area Network?

This is sample of a traceroute to google.com: TraceRoute from Network-Tools.com to 216.58.194.46 [google.com] Hop (ms) (ms) (ms) IP Address Host name 1 0 0 0 ...
R1W's user avatar
  • 1,627
3 votes
1 answer
2k views

Network packet obfuscation

Suppose I am wirelessly transmitting network traffic between a computer and a router. As I understand it, even though the traffic is encrypted, it is possible for a third party attacker to intercept ...
Ubiquitous's user avatar
3 votes
3 answers
4k views

How to sniff 802.11 packets without going into monitor mode?

Is it possible to sniff or capture 802.11 packets which sends my computer to the router (AP). I know that I can't sniff packets which have a other destination MAC address without going into monitor ...
user126623's user avatar
1 vote
2 answers
759 views

Cannot capture frames other than broadcast or multicast in Wireshark

My problem is that I cannot capture any frames other than broadcast or multicast over Wireshark on my WLAN interface (eg. no ICMP packets, no HTTP packets, etc.) Please follow details below: OS: ...
BahmanTheGreat's user avatar
8 votes
2 answers
12k views

Is promiscuous mode sufficient to sniff packets in a wifi network?

I'm connected to my WiFi network and I want to capture and analyze packets that other clients are exchanging with the gateway. I don't want to modify the content of these packets and I don't need to ...
user avatar
0 votes
4 answers
854 views

Human readable SSL/TLS packets

If I have a protocol-analyzer/packet-sniffer, such as wireshark installed on a particular device.. (or in this case; tcpdump & tshark etc. on my smartphone..) ..should I be able to read ...
voices's user avatar
  • 1,769
1 vote
1 answer
937 views

Is authorisation of FTP safe against sniffing and vulnerable to man-in-the-middle hijacking?

One of my hosting providers still just offers FTP access to the server... Is authorisation safe (i.e. resistant to network sniffing) despite the content of the transmission is plain text? Is it ...
Grzegorz Wierzowiecki's user avatar
1 vote
0 answers
265 views

USB TEMPEST attacks: viable range?

Is there any published research into the viability of reading Universal Serial Bus signals at a distance from the connection, using electromagnetic radiation emitted from the bus? If not, what is the ...
sampablokuper's user avatar
3 votes
1 answer
15k views

Google Drive photo security and publicly visible lh*.googleusercontent.com

I thought Google Drive was more secure than this. If I upload a photo to Google Drive, I don't care that it's entrusted to them and I also assume someone working there can look at it. No big deal. ...
ThisClark's user avatar
  • 133
0 votes
1 answer
418 views

Encrypted traffic analysis

If i tunnel any tcp traffic true ssh or any ssl encrypted protocol will some one capturing the traffic capable of do some kind of offline decrypting using the capture file ?? What technic they use to ...
Sarastro's user avatar
  • 321