A sniffer is a program that monitors and analyzes network traffic, detecting bottlenecks and problems.

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4
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1answer
368 views

WLCTL protocol detected by sniffer in an Android tablet

I detected that my rooted Android tablet had a slow connection. Trying to find what is taking the bandwith, I installed a firewall (DroidWall) and I blocked all the applications thinking that one of ...
1
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2answers
63 views

How to protect against request intercepting and parameter-tampering? [duplicate]

My problem is that I made an app and I am making PHP Requests. I just realized that you can sniff everything on Android with "Packet Capture". How can I make my app more secure? I thought about ...
0
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0answers
22 views

Can't see WEP networks with airodump-ng

I use airodump-ng on my RPi3 (armhf version). I've been able to properly set up the interface and turn it into monitor mode. Now, I can sniff the air traffic using airodump-ng, but I can't see my ...
2
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3answers
3k views

TOR and sniffing data

If I'm not mistaken, TOR works opening a random anonymous path between two hosts using others computers that have TOR installed no? Then... everybody can sniff the data of the others no? Just wait ...
0
votes
1answer
34 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 ...
23
votes
3answers
5k views

How to deal with WPE users

I own a chat room and some users use a program Winsock Packet Editor, "WPE PRO". With it they manage to bypass chat rules, like they can't be muted or kicked, and they can send messages fast ...
5
votes
2answers
69 views

Malicious packet that attacks packet sniffers?

Is it possible to crash a packet sniffer through a specially-formed packet to stop website administrators from tracking down the source? If it is possible, has it been done before? Or is it just not ...
1
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0answers
11 views

snort spp_sfPortscan Preprocessor Customization [closed]

I am working in snort 2.9.8.0. I want to modify the snort code for Portscanning Detection,i.e spp_sfPortscan.c and its related code to build a customized portScan detector. Ex:suppose A is scanning ...
3
votes
2answers
55 views

Traffic capture on a public server

I have a VPS where I'm hosting a web app built by PHP. Yesterday I Looked to the apache log and I found that someone running a scanner to guess some urls like: /wp-admin /joomla /mysql and so on ...
1
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2answers
116 views

Sniff network packets that don't talk to my computer?

How would one sniff wireless network packets that do not pass directly through my computer- without access the the AP or router? I want to be able to sniff for network traffic (even while ...
0
votes
1answer
420 views

Fishy: VMware sends all traffic through akamai

I'm running Linux inside of VMware on the Mac, and on Linux I'm running a program that has connections open to perhaps 4 different machines. On the OS/X side however VMware has only 1 active network ...
3
votes
1answer
56 views

OS fingerprinting [closed]

I have been asked to write a small tool that detects the running OS on a victim device. The tool should be able to fingerprint Linux versus Android versus iOS. Extra credit for version info. It needs ...
0
votes
0answers
43 views

Log to file my own SSL traffic coming from websocket

I have to decode and capture my own traffic that come from a websocket WSS listening on port 7072, when I use browser to connect to my data provider. My idea is: to redirect traffic to ...
2
votes
1answer
111 views

Capturing text messages on the fly

Suppose your phone is not connected to any network. You are sitting in a cafeteria with 50 other people, everyone is communicating to each other via text messages. Is it possible through any device or ...
3
votes
3answers
493 views

Sniffing the sniffer

A sniffs B while B is sniffing C. What's the traffic in A? Does A catches both B and C traffic or only B's?
17
votes
3answers
6k views

Can an attacker sniff Mac addresses on a wifi?

If an attacker turns on wifi but doesn't have the security key to connect to an access point in range, can he still sniff packets that travel between the access point and clients connected to the ...
0
votes
1answer
60 views

Can we track sniffers in a network?

It is very simple to launch Wireshark in monitor mode and listen to connections in the host network. I have come across a program called SniffDet. Is it an all round solution for finding sniffers on ...
2
votes
2answers
621 views

How to capture WhatsApp API requests using Fiddler?

I am trying to capture WhatsApp network requests and not able to do it using Fiddler. This is what I did: Installed Fiddler. Exported Root certificate and installed on my Android device. I modified ...
0
votes
2answers
149 views

Is hack.chat safe from packet sniffing?

So I recently found this tool called hack.chat. It's a disposable, browser-based IM system. If I were to use this at a friends house, public network, or at work, it is possible for someone on the ...
2
votes
4answers
366 views

Risks of using HTTP

What are the risks of using HTTP instead of HTTPS assuming that there isn't any rogue hacker sitting on my personal WIFI network waiting to sniff my traffic? Can a hacker sit in his boat in the ...
4
votes
3answers
912 views

Is it possible to sniff traffic of a remote network? (With admin access to router)

Me and a friend of mine are simulating a widespread scenario where router configurations are untouched (default passwords) and are visible from the internet. Him, acting as the victim, will constantly ...
-1
votes
1answer
1k views

Good book about Scapy [closed]

Is there any good learning resources for Scapy apart from the official documentation? I am looking for a good book about the Scapy
36
votes
6answers
25k views

What is preventing us from sniffing the mobile phone communication?

I'm learning wireless penetration testing. It really is amazing. But it made me wonder, what about mobile phones? They are also means of wireless communication. So, our entire voice must be in the air ...
-4
votes
3answers
543 views

How to capture the traffic of a computer in my LAN?

I have a machine with the Windows 10 preview installed and I want to capture all the traffic it sends for a day and then block all the MS hosts it sent data to without my direct permission. I don't ...
3
votes
1answer
253 views

How to sniff [possibly encrypted] TDS protocol data from the host the client application is installed on?

Let's say, there is an .NET application on a windows 7 host where I have administrator's access rights. The application works with remote MS-SQL server which I don't control, it also seems that the ...
1
vote
2answers
594 views

How can I see the websites visited by clients of my WLAN?

How can I view the websites that are visited by the user of my wifi? What tools are required to do this? And one more question: can I see the WhatsApp communications?
3
votes
1answer
176 views

Log all crypto keys used for outgoing SSL / TLS connections on Linux server

Is there some environment variable that works how SSLKEYLOGFILE works for NSS-reliant programs but which would apply to all outgoing TLS / SSL connections on a Linux server and not just ones that use ...
0
votes
2answers
18k views

Can wifi administrator see data transfer over android phone. precisely gmail app communication

sometimes I connect to wifi outside my home in office , restaurants and friends house. I want to know if wifi administrator can see the exact data my android phone communicates? I am only concerned ...
-2
votes
1answer
72 views

How can I know if any cell phones other than a given set are turned on in the nearby area?

I am searching for a solution to identify phones simply by the signals it emits. Imagine a signal receiver in a room, then I want to know which people are using phones nearby. I don't care what they ...
2
votes
2answers
92 views

How can the connection of a rogue VPN router be countermeasured with a sniffer?

As an IT admin, what can I do to countermeasure an attack performed like this page explains? http://www.pivpn.net/2015/08/hide-your-ass-hide-by-mac-address-and.html What they do is to put a raspberry ...
2
votes
1answer
124 views

Can cascaded routers protect inner network's machine from attacker from outer network?

Given: Outer Network router A wan ip 209.123.12.11 address 10.10.0.1 machine A address 10.10.0.10 gateway 10.10.0.1 Inner Network router B wan ip 10.10.0.100 address 192.168.10.1 ...
1
vote
2answers
165 views

Unencrypted FTP to transfer encrypted data - okay if IP-restricted?

If unencrypted FTP over the public internet is the only file transfer option for a particular situation, what security concerns are applicable assuming: The data being transferred is strongly ...
79
votes
6answers
62k views

Does https prevent man in the middle attacks by proxy server?

There is a desktop client A connecting to website W in a https connection A --> W Somehow between A and W, there is a proxy G. A --> G --> W In this case, will G be able to get the ...
1
vote
3answers
375 views

Sniffer attack on mobile [closed]

I have Nokia lumia 625. And a guy hacked it using sniffer. That's how much I know about it. He has access to all my online texts(eg. Whatsapp, messenger etc) . and also to offline carrier text ...
1
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3answers
187 views

Sniffing traffic on a secured wifi connection

Open wifi is a security risk since all the data can potentially be sniffed by anyone. What I want to ask is even on a secured wifi (which requires some kind of password for authentication), the data ...
2
votes
4answers
166 views

Suspicious SMS getting received on selected browsing

I am receiving several suspicious SMS messages with links telling me that I have requested subscription to their services (which I have not) asking me to confirm subscription. These SMS appear only ...
2
votes
1answer
194 views

Sniff LAN SSL requests

When I log in into Facebook, using Wireshark in the same machine, I can read the request data in plain-text. That doesn't happen when I'm sniffing my LAN: I can read the SSL packets but they are ...
6
votes
6answers
15k views

monitoring outgoing network traffic [closed]

The graphs for one server that I am using are showing consistent 7.5 kb/s outgoing network traffic that started a few days ago. How can I monitor/log/capture/analize this traffic to see what is it, ...
11
votes
1answer
9k views

Mobile numbers capture and transmit data

will it be possible to build a low cost hardware/software device which can capture mobile numbers within a specified radius and then use that information to transmit an sms to those numbers? From what ...
1
vote
1answer
83 views

Padding of 802.11 packet with 0's in libpcap [closed]

I am trying to send probe request to Access Points.But whenever I send a probe request packet it is padded with 0's i.e I see two packets on wireshark for every packet I send : a non-padded packet and ...
4
votes
1answer
366 views

Man in the Middle Attack against NTP

So, lately I've been really into penetration testing and learning the nitty-gritty of tech. I'm dong courses on computer architecture, cryptography, surveillance law, and computer networks. I never ...
2
votes
0answers
163 views

How do I sniff Z-Wave packets with a Zulu Transceiver [closed]

I'm trying to sniff the communication between Z-Wave devices. I have set up a "smart home" consisting of a few devices using Z-Wave technology, which use the frequency 868 MHz. I have been told that ...
4
votes
1answer
367 views

Decrypting TOR traffic?

Is there any way to decrypt tor traffic from an exit node or relay? I know it's possible to analyze the traffic using something like tcpflow or tcpdump, but it comes back as encrypted giberish. Is ...
1
vote
0answers
54 views

Rebuilding images from raw traffic [closed]

I've got a tcpflow log file that has the following: HTTP/1.1 200 OK Server: nginx Date: Sat, 20 Jun 2015 02:49:29 GMT Content-Type: image/jpeg Content-Length: 12177 Last-Modified: Wed, 10 Jun 2015 ...
3
votes
4answers
402 views

In a monitored network, can the admins tell if Tor is being used?

I'm not asking if Tor is secure, I'm asking if an observer can know you are using Tor? For example if a persons ISP or company network monitors traffic would they be able to determine with certainty ...
2
votes
2answers
276 views

Promiscuous mode and packet sniffing

Is it must for a packet sniffer to enable promiscuous mode?Can packets be sniffed without the NIC being in promiscuous mode? Also when in promiscuous mode the NIC accepts all packets which are not ...
2
votes
2answers
280 views

Defence against promiscuous detection techniques

As an attacker,how do I prevent people from finding out that my NIC is in promiscuous mode? For test like ARP and DNS how do I defeat the users detection mechanism?
5
votes
1answer
2k views

ARP-poisoning on wireless network - no packets

I've started working with ettercap and ARP-poisoning; however, I've sumbled upon some problems. I've executed the following command: ettercap -i wlan0 -w log -T -M arp:remote /192.168.1.254/ ...
2
votes
1answer
181 views

How can someone sniff dial-up connection using phone line?

Let's assume we have a computer that sends packets to the internet using dial-up connection, and we have access to the analog data on the phone line(we have access to the phone line), how can we make ...
1
vote
3answers
101 views

Is my company VPN the same as third-party VPN providers?

I'm just a bit confused with VPN. My company has VPN when I work remotely. So, I can access internal websites. However, does it mean if I browse my Internet over my company VPN, it will be as secured ...