diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 111addcc879..dee850f47f2 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -144,6 +144,7 @@
   ./programs/xonsh.nix
   ./programs/xss-lock.nix
   ./programs/yabar.nix
+  ./programs/zmap.nix
   ./programs/zsh/oh-my-zsh.nix
   ./programs/zsh/zsh.nix
   ./programs/zsh/zsh-autoenv.nix
diff --git a/nixos/modules/programs/zmap.nix b/nixos/modules/programs/zmap.nix
new file mode 100644
index 00000000000..2e27fce4d7c
--- /dev/null
+++ b/nixos/modules/programs/zmap.nix
@@ -0,0 +1,18 @@
+{ pkgs, config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.zmap;
+in {
+  options.programs.zmap = {
+    enable = mkEnableOption "ZMap";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.zmap ];
+
+    environment.etc."zmap/blacklist.conf".source = "${pkgs.zmap}/etc/zmap/blacklist.conf";
+    environment.etc."zmap/zmap.conf".source = "${pkgs.zmap}/etc/zmap.conf";
+  };
+}
diff --git a/pkgs/development/tools/parsing/byacc/default.nix b/pkgs/development/tools/parsing/byacc/default.nix
index ba1b8f27e7c..4e73c820912 100644
--- a/pkgs/development/tools/parsing/byacc/default.nix
+++ b/pkgs/development/tools/parsing/byacc/default.nix
@@ -12,8 +12,16 @@ stdenv.mkDerivation rec {
     sha256 = "173l9yai5yndbyn8nzdl6q11wv4x959bd0w392i82nfsqcz0pfsv";
   };
 
+  configureFlags = [
+    "--program-transform-name='s,^,b,'"
+  ];
+
   doCheck = true;
 
+  postInstall = ''
+    ln -s $out/bin/byacc $out/bin/yacc
+  '';
+
   meta = with stdenv.lib; {
     description = "Berkeley YACC";
     homepage = https://invisible-island.net/byacc/byacc.html;
diff --git a/pkgs/tools/security/zmap/default.nix b/pkgs/tools/security/zmap/default.nix
new file mode 100644
index 00000000000..f98b4295e9e
--- /dev/null
+++ b/pkgs/tools/security/zmap/default.nix
@@ -0,0 +1,32 @@
+{ stdenv, fetchFromGitHub, cmake, pkgconfig, libjson, json_c, gengetopt, flex, byacc, gmp
+, libpcap
+}:
+
+stdenv.mkDerivation rec {
+  pname = "zmap";
+  version = "2.1.1";
+
+  src = fetchFromGitHub {
+    owner = "zmap";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0yaahaiawkjk020hvsb8pndbrk8k10wxkfba1irp12a4sj6rywcs";
+  };
+
+  cmakeFlags = [ "-DRESPECT_INSTALL_PREFIX_CONFIG=ON" ];
+  dontUseCmakeBuildDir = true;
+
+  nativeBuildInputs = [ cmake pkgconfig gengetopt flex byacc ];
+  buildInputs = [ libjson json_c gmp libpcap ];
+
+  outputs = [ "out" "man" ];
+
+  meta = with stdenv.lib; {
+    homepage = https://zmap.io/;
+    license = licenses.asl20;
+    description = "Fast single packet network scanner designed for Internet-wide network surveys";
+    maintainers = with maintainers; [ ma27 ];
+    platforms = platforms.unix;
+    broken = stdenv.isDarwin;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ac5d6cece1..ca24eb91bdd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6845,6 +6845,8 @@ in
 
   zxing = callPackage ../tools/graphics/zxing {};
 
+  zmap = callPackage ../tools/security/zmap { };
+
 
   ### SHELLS