diff --git a/pkgs/by-name/nt/ntlm-challenger/package.nix b/pkgs/by-name/nt/ntlm-challenger/package.nix
new file mode 100644
index 000000000000..1e96bda9e470
--- /dev/null
+++ b/pkgs/by-name/nt/ntlm-challenger/package.nix
@@ -0,0 +1,38 @@
+{ lib
+, fetchFromGitHub
+, python3
+}:
+
+python3.pkgs.buildPythonApplication {
+  pname = "ntlm-challenger";
+  version = "0-unstable-2022-11-10";
+  format = "other";
+
+  src = fetchFromGitHub {
+    owner = "nopfor";
+    repo = "ntlm_challenger";
+    rev = "bd61ef65c7692fb1968383894da662bf99026aec";
+    hash = "sha256-F9aZB8M25gPDY7J7cXkAH30m7zmk4NHczUHyBDBZInA=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    requests
+    impacket
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D ntlm_challenger.py $out/bin/ntlm_challenger
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Parse NTLM challenge messages over HTTP and SMB";
+    mainProgram = "ntlm_challenger";
+    homepage = "https://github.com/nopfor/ntlm_challenger";
+    license = licenses.mit;
+    maintainers = [ maintainers.crem ];
+  };
+}