diff --git a/krebs/5pkgs/simple/cunicu.nix b/krebs/5pkgs/simple/cunicu.nix
new file mode 100644
index 000000000..4375a760c
--- /dev/null
+++ b/krebs/5pkgs/simple/cunicu.nix
@@ -0,0 +1,22 @@
+{ lib, pkgs }:
+
+pkgs.buildGo120Module rec {
+  pname = "cunicu";
+  version = "g${lib.substring 0 7 src.rev}";
+
+  buildInputs = [
+    pkgs.libpcap
+  ];
+
+  # XXX tries to access https://relay.cunicu.li
+  doCheck = false;
+
+  src = pkgs.fetchFromGitHub {
+    owner = "stv0g";
+    repo = "cunicu";
+    rev = "3ed8109bef97a10a438e5658c41823b7f812db8e";
+    hash = "sha256-FpOJ6/jmnbpufc+kgKwlLtFhOcc2CTe+FvqeV8WEGMc=";
+  };
+
+  vendorHash = "sha256-eAawhJK9K8/7FCQiYMI9XCPePYsCVF045Di7SpRZvL4=";
+}