diff --git a/pkgs/tools/security/slowhttptest/default.nix b/pkgs/tools/security/slowhttptest/default.nix
new file mode 100644
index 000000000000..5dce5d5439ac
--- /dev/null
+++ b/pkgs/tools/security/slowhttptest/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "slowhttptest";
+  version = "1.8.2";
+
+  src = fetchFromGitHub {
+    owner = "shekyan";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1xv2j3hl4zj0s2cxcsvlwgridh9ap4g84g7c4918d03id15wydcx";
+  };
+
+  buildInputs = [ openssl ];
+
+  meta = with lib; {
+    description = "Application Layer DoS attack simulator";
+    homepage = "https://github.com/shekyan/slowhttptest";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index eb66cdde0eed..aa9331f033ab 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -25285,6 +25285,8 @@ in
 
   slop = callPackage ../tools/misc/slop {};
 
+  slowhttptest = callPackage ../tools/security/slowhttptest { };
+
   slrn = callPackage ../applications/networking/newsreaders/slrn { };
 
   sniproxy = callPackage ../applications/networking/sniproxy { };