Multifunctional keylogger for Linux
C Lua
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README.md

Unikeylog - multifunctional keylogger for Linux

Travis build License

Features:

  • X11 key logging (doesn't require root)
  • /dev/input key logging (requires root)
  • encryption of log
  • hides itself

Dependencies

  • C compiler GCC
  • Xlib
  • openssl (library + command line tool)
  • LuaJIT

Build

Run luajit build.lua and follow the instructions.

Usage

After you run luajit build.lua, see file src/keylogger.exe. This application is the keylogger. It runs silently logging to the logfile specified at the compile time (option KEYLOGGER_LOGFILE). Current date and time are appended to the name of logfile.

To read logfile, cd to directory src/ and run luajit parser.lua < logfile.

Example

Build for X11:

$ KEYLOGGER_MODE=X11 lua build.lua

Run:

$ ./keylogger.exe

Parse log:

$ luajit parser.lua < log.Sun_May_10_08-51-01_2015
ls
<Shift_R>This keylogger runs without rot<BackSpace>ot access,
but in can intercept root or sudo password
su
123456
<Shift_R>Also, we can yo<BackSpace><BackSpace>
use other layouts, for example, <Shift_R>Russian.
<Shift_R>Проверка работы русской раскладки.

Legal

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.