diff --git a/pkgs/tools/networking/mdk4/default.nix b/pkgs/tools/networking/mdk4/default.nix
new file mode 100644
index 000000000000..903504633ac8
--- /dev/null
+++ b/pkgs/tools/networking/mdk4/default.nix
@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, libnl, libpcap, pkg-config }:
+
+stdenv.mkDerivation {
+  pname = "mdk4";
+  version = "unstable-2021-04-27";
+
+  src = fetchFromGitHub {
+    owner = "aircrack-ng";
+    repo = "mdk4";
+    rev = "e94422ce8e4b8dcd132d658345814df7e63bfa41";
+    sha256 = "sha256-pZS7HQBKlSZJGqoZlSyBUzXC3osswcB56cBzgm+Sbwg=";
+  };
+
+  preBuild = ''
+    mkdir -p $out/bin
+    mkdir -p $out/share/man
+
+    substituteInPlace src/Makefile --replace '/usr/local/src/mdk4' '$out'
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ libnl libpcap ];
+
+  makeFlags = [ "PREFIX=$(out)" "SBINDIR=$(PREFIX)/bin" ];
+
+  meta = with lib; {
+    description = "A tool that injects data into wireless networks";
+    homepage = "https://github.com/aircrack-ng/mdk4";
+    maintainers = with maintainers; [ fortuneteller2k ];
+    license = licenses.gpl2Plus;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a8f24ecbd561..1d8c674364f3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6757,6 +6757,8 @@ in
 
   mdk = callPackage ../development/tools/mdk { };
 
+  mdk4 = callPackage ../tools/networking/mdk4 { };
+
   mdp = callPackage ../applications/misc/mdp { };
 
   mednafen = callPackage ../misc/emulators/mednafen { };