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https://github.com/NixOS/nixpkgs
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87 lines
2.9 KiB
Nix
87 lines
2.9 KiB
Nix
import ./make-test-python.nix (
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{ lib, pkgs, ... }:
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{
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name = "suricata";
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meta.maintainers = with lib.maintainers; [ felbinger ];
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nodes = {
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ids = {
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imports = [
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../modules/profiles/minimal.nix
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../modules/services/networking/suricata/default.nix
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];
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networking.interfaces.eth1 = {
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useDHCP = false;
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ipv4.addresses = [
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{
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address = "192.168.1.2";
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prefixLength = 24;
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}
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];
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};
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# disable suricata-update because this requires an Internet connection
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systemd.services.suricata-update.enable = false;
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# install suricata package to make suricatasc program available
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environment.systemPackages = with pkgs; [ suricata ];
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services.suricata = {
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enable = true;
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settings = {
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vars.address-groups.HOME_NET = "192.168.1.0/24";
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unix-command.enabled = true;
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outputs = [ { fast.enabled = true; } ];
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af-packet = [ { interface = "eth1"; } ];
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classification-file = "${pkgs.suricata}/etc/suricata/classification.config";
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};
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};
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# create suricata.rules with the rule to detect the output of the id command
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systemd.tmpfiles.rules = [
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''f /var/lib/suricata/rules/suricata.rules 644 suricata suricata 0 alert ip any any -> any any (msg:"GPL ATTACK_RESPONSE id check returned root"; content:"uid=0|28|root|29|"; classtype:bad-unknown; sid:2100498; rev:7; metadata:created_at 2010_09_23, updated_at 2019_07_26;)''
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];
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};
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helper = {
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imports = [ ../modules/profiles/minimal.nix ];
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networking.interfaces.eth1 = {
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useDHCP = false;
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ipv4.addresses = [
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{
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address = "192.168.1.1";
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prefixLength = 24;
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}
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];
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};
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services.nginx = {
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enable = true;
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virtualHosts."localhost".locations = {
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"/id/".return = "200 'uid=0(root) gid=0(root) groups=0(root)'";
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};
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};
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networking.firewall.allowedTCPPorts = [ 80 ];
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};
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};
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testScript = ''
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start_all()
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# check that configuration has been applied correctly with suricatasc
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with subtest("suricata configuration test"):
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ids.wait_for_unit("suricata.service")
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assert '1' in ids.succeed("suricatasc -c 'iface-list' | ${pkgs.jq}/bin/jq .message.count")
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# test detection of events based on a static ruleset (output of id command)
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with subtest("suricata rule test"):
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helper.wait_for_unit("nginx.service")
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ids.wait_for_unit("suricata.service")
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ids.succeed("curl http://192.168.1.1/id/")
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assert "id check returned root [**] [Classification: Potentially Bad Traffic]" in ids.succeed("tail -n 1 /var/log/suricata/fast.log"), "Suricata didn't detect the output of id comment"
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'';
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}
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)
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