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Merge 1719ee84da882f78dbda9ba295ff144b9d2313e0 into 4290ea753912378913b1f3f54e0fc5720afeda5d

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Harel Katz 2026-08-08 11:12:09 +08:00 committed by GitHub
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3 changed files with 146 additions and 1 deletions
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3
src/core/config/Categories.json
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@ -300,7 +300,8 @@
"Decode NetBIOS Name",
"Defang URL",
"Fang URL",
"Defang IP Addresses"
"Defang IP Addresses",
"Fang IP Addresses"
]
},
{

56
src/core/operations/FangIPAddresses.mjs Normal file
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@ -0,0 +1,56 @@
/**
* @author HarelKatz [github.com/HarelKatz]
* @copyright Crown Copyright 2026
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
/**
* Fang IP Addresses operation
*/
class FangIPAddresses extends Operation {
/**
* FangIPAddresses constructor
*/
constructor() {
super();
this.name = "Fang IP Addresses";
this.module = "Default";
this.description = "Takes a defanged IPv4 or IPv6 address and 'Fangs' it, restoring it to a valid address. The inverse of <code>Defang IP Addresses</code>.<br><br>e.g. <code>192[.]168[.]1[.]1</code> becomes <code>192.168.1.1</code>.";
this.infoURL = "https://isc.sans.edu/forums/diary/Defang+all+the+things/22744/";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
name: "Restore [.]",
type: "boolean",
value: true
},
{
name: "Restore [:]",
type: "boolean",
value: true
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const [dots, colons] = args;
if (dots) input = input.replace(/\[\.\]/g, ".");
if (colons) input = input.replace(/\[:\]/g, ":");
return input;
}
}
export default FangIPAddresses;

88
tests/operations/tests/FangIPAddresses.mjs Normal file
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@ -0,0 +1,88 @@
/**
* Fang IP Addresses tests
*
* @author HarelKatz [github.com/HarelKatz]
* @copyright Crown Copyright 2026
* @license Apache-2.0
*/
import TestRegister from "../../lib/TestRegister.mjs";
TestRegister.addTests([
{
name: "Fang IP: Valid IPV4",
input: "192[.]168[.]1[.]1",
expectedOutput: "192.168.1.1",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, true],
},
],
},
{
name: "Fang IP: Valid IPV6",
input: "2001[:]0db8[:]85a3[:]0000[:]0000[:]8a2e[:]0370[:]7343",
expectedOutput: "2001:0db8:85a3:0000:0000:8a2e:0370:7343",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, true],
},
],
},
{
name: "Fang IP: Valid IPV6 Shorthand",
input: "2001[:]db8[:]3c4d[:]15[:][:]1a2f[:]1a2b",
expectedOutput: "2001:db8:3c4d:15::1a2f:1a2b",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, true],
},
],
},
{
name: "Fang IP: Multiple defanged IPs in surrounding text",
input: "Connect to 10[.]0[.]0[.]1 or 192[.]168[.]1[.]254",
expectedOutput: "Connect to 10.0.0.1 or 192.168.1.254",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, true],
},
],
},
{
name: "Fang IP: Plain IP input is unchanged",
input: "192.168.1.1",
expectedOutput: "192.168.1.1",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, true],
},
],
},
{
name: "Fang IP: Restore dots only",
input: "192[.]168[.]1[.]1 ::[:]1",
expectedOutput: "192.168.1.1 ::[:]1",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [true, false],
},
],
},
{
name: "Fang IP: Restore colons only",
input: "192[.]168[.]1[.]1 2001[:]db8[:][:]1",
expectedOutput: "192[.]168[.]1[.]1 2001:db8::1",
recipeConfig: [
{
op: "Fang IP Addresses",
args: [false, true],
},
],
},
]);