IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [sniffer]

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

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

217 questions
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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 certificate which A previously got from W? If G can get the…
jojo
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Can I prevent my neighbors, whom I pay for shared internet (WiFi), from seeing the sites I've visited?

I pay my neighbors to use their WiFi. They have listed me as Guest with a separate password from theirs. Is there any way to prevent them from seeing the sites I've visited? My browser history clears automatically. Since they're in charge of the…
Pat
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6 answers

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 surrounding us. So, What makes it difficult to…
claws
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What is the difference between Promiscuous and Monitor Mode in Wireless Networks?

In Wireless Networks, you can put your wireless card in Promiscuous or in Monitor Mode. What is the difference between these two modes ?
Vladimir Leiv
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2 answers

Can a connected USB device read all data from the USB bus?

Is it possible for a (malicious) (hardware) USB device to access all the data that is transferred through the USB bus and then read/store this information, essentially sniffing all transferred data? Or is the USB bus switched and only sends data to…
user1049697
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Can a hacker sniff others' network data over a wireless connection?

Provided that the hacker knows the WiFi password if any (WEP or WPA), is he capable of sniffing network data of other hosts connected to the same access point?
lisa17
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6 answers

Possibility to sniff HTTPS traffic on devices without installing a certificate

My goal is to sniff the HTTPS traffic of some digital devices (AppleTV, game consoles, etc.), and decrypt the HTTPS packets in my local network. I cannot figure out a way by using some HTTPS debugging proxy tools like Charles or Fiddler, because…
Yifei
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3 answers

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 bypassing the limit of the chat. I was wondering if there…
Salim Aljayousi
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3 answers

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 access point, and thus get the Mac addresses of the…
siamii
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sniffed packets , is there a way to put together the file?

I would like to know, in case an attacker manged to capture some packets from my network traffic, can he build from them a file or any easy to understand thing? I know that the TCP/IP protocol is using the TCP/UDP for segmenting the files (or…
Hanan N.
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How can I detect if someone is sniffing network packets on the LAN?

I would like to know if there is a product or software that can detect if there is a sniffer currently on the network? In other words is it possible at all to detect if there is a network card on the network that its is currently at promiscuous…
Hanan N.
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15
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3 answers

Smartphone / GSM Sniffer

This question would be in the category of SmartPhone Sniffers. So we have sniffers that can show the packets that are being sent across a wired or wireless (802.11) network. I am just performing a basic research on GSM Sniffers and I would like to…
Legolas
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3 answers

How does FaceNiff work?

FaceNiff is an Android app that sniffs Facebook session ids. You must be connected to the same WiFi as the victim. It is said to be working even when WPA2 is present. How is it possible? I can decrypt other connected users' communication in WPA2?
fhucho
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Can an HTTPS request be sent twice?

When sniffing network traffic, one can see an HTTPS packet and all its (encrypted) data. I am wondering what would happen if this packet is copied and then re-sent. Is there a protocol at some layer that prevents the same packet being used twice?…
Reedy
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What else can be sniffed?

I'm a pentest newbie. Recently I've learned about sniffing in LANs. From the books and internet resources I'm studying, the sniffing (or packet capture) is always done on either Wired LANs (Ethernet 802.3) or Wireless Lans (Wifi 802.11). But what…
claws
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