Ettercap Description

Ettercap is a comprehensive suite for man in the middle attacks. It features sniffing of live connections, content filtering on the fly and many other interesting tricks. It supports active and passive dissection of many protocols and includes many features for network and host analysis.


Authors: Alberto Ornaghi (ALoR), Marco Valleri (NaGA), Emilio Escobar (exfil), Eric Milam (J0hnnyBrav0), Gianfranco Costamagna (LocutusOfBorg)

License: GPLv2

Ettercap Help

Usage: ettercap [OPTIONS] [TARGET1] [TARGET2]

TARGET is in the format MAC/IP/PORTs (see the man for further detail)
Sniffing and Attack options:
  -M, --mitm <METHOD:ARGS>    perform a mitm attack
  -o, --only-mitm             don't sniff, only perform the mitm attack
  -b, --broadcast             sniff packets destined to broadcast
  -B, --bridge <IFACE>        use bridged sniff (needs 2 ifaces)
  -p, --nopromisc             do not put the iface in promisc mode
  -S, --nosslmitm             do not forge SSL certificates
  -u, --unoffensive           do not forward packets
  -r, --read <file>           read data from pcapfile <file>
  -f, --pcapfilter <string>   set the pcap filter <string>
  -R, --reversed              use reversed TARGET matching
  -t, --proto <proto>         sniff only this proto (default is all)
      --certificate <file>    certificate file to use for SSL MiTM
      --private-key <file>    private key file to use for SSL MiTM

User Interface Type:
  -T, --text                  use text only GUI
       -q, --quiet                 do not display packet contents
       -s, --script <CMD>          issue these commands to the GUI
  -C, --curses                use curses GUI
  -D, --daemon                daemonize ettercap (no GUI)
  -G, --gtk                   use GTK+ GUI

Logging options:
  -w, --write <file>          write sniffed data to pcapfile <file>
  -L, --log <logfile>         log all the traffic to this <logfile>
  -l, --log-info <logfile>    log only passive infos to this <logfile>
  -m, --log-msg <logfile>     log all the messages to this <logfile>
  -c, --compress              use gzip compression on log files

Visualization options:
  -d, --dns                   resolves ip addresses into hostnames
  -V, --visual <format>       set the visualization format
  -e, --regex <regex>         visualize only packets matching this regex
  -E, --ext-headers           print extended header for every pck
  -Q, --superquiet            do not display user and password

General options:
  -i, --iface <iface>         use this network interface
  -I, --liface                show all the network interfaces
  -Y, --secondary <ifaces>    list of secondary network interfaces
  -n, --netmask <netmask>     force this <netmask> on iface
  -A, --address <address>     force this local <address> on iface
  -P, --plugin <plugin>       launch this <plugin>
  -F, --filter <file>         load the filter <file> (content filter)
  -z, --silent                do not perform the initial ARP scan
  -j, --load-hosts <file>     load the hosts list from <file>
  -k, --save-hosts <file>     save the hosts list to <file>
  -W, --wifi-key <wkey>       use this key to decrypt wifi packets (wep or wpa)
  -a, --config <config>       use the alterative config file <config>

Standard options:
  -v, --version               prints the version and exit
  -h, --help                  this help screen

Ettercap Usage Example

Start Ettercap with GUI (-G):

sudo ettercap -G

Select Sniff -> Unified -> select Iface:


Now selext Hosts -> Scan for hosts -> Hosts list:


As Target 1 select Router (Add to Target 1), As Target 2 select a device for attack (Add to Target 2).


Mitm  -> ARP poisoning… Select Sniff remote connections.


Sniff  -> Start sniffing.

Start urlsnarf:

urlsnarf -i eth0

or driftnet:

driftnet -i eth0

How to install Ettercap

The program is pre-installed on Kali Linux.

Installation on Linux (Debian, Mint, Ubuntu)

sudo apt-get install ettercap-common ettercap-graphical # only GUI
sudo apt-get install ettercap-common ettercap-text-only # only text interface

Installation from source code

Install any missing dependencies

sudo apt-get install git debhelper bison check cmake flex ghostscript libbsd-dev libcurl4-openssl-dev libgtk2.0-dev libltdl-dev libluajit-5.1-dev libncurses5-dev libnet1-dev libpcap-dev libpcre3-dev libssl-dev libgtk-3-dev ghostscript groff libtool libpcre3 libncurses5-dev
git clone

cd ettercap/
mkdir build
cd build
cmake ENABLE_PDF_DOCS=On ../
sudo make install

sudo ettercap -G

Ettercap Screenshots


Ettercap Tutorials

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