mirror of
https://github.com/0dayCTF/reverse-shell-generator.git
synced 2024-12-18 10:56:10 +00:00
Add initial raw link support with netlify functions
This commit is contained in:
alanfoster
parent
8615ce53c6
commit
0b6113bf02
13
README.md
13
README.md
@ -1,12 +1,10 @@
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# reverse-shell-generator
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# reverse-shell-generator
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Hosted Reverse Shell generator with a ton of functionality -- (great for CTFs)
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<br> [](https://app.netlify.com/sites/brave-swartz-5dcdab/deploys)
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### Hosted Instance
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https://revshells.com
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### Features
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- Generate common listeners and reverse shells
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@ -17,8 +15,17 @@ https://revshells.com
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- Dark and Light Modes
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### Screenshot
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## Dev
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It's recommended to use the netlify dev command if you're wanting to modify any of the server functions, such as for raw link support:
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```
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npx netlify dev
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```
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### Credits
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- weibell
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- briskets
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331
index.html
331
index.html
@ -112,7 +112,7 @@
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<span id="ip-label" class="input-group-text">IP</span>
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</div>
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<input id="ip" type="text" class="form-control form-control-lg text-center px-1"
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size="12VW" maxlength="15" placeholder="10.10.10.10" aria-label="IP"
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size="12VW" maxlength="15" aria-label="IP"
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aria-describedby="ip-label">
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</div>
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</div>
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@ -124,7 +124,7 @@
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<span id="port-label" class="input-group-text">Port</span>
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</div>
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<input id="port" type="text" class="form-control form-control-lg text-center"
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size="4vw" maxlength="5" placeholder="9001" aria-label="Port"
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size="4vw" maxlength="5" aria-label="Port"
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aria-describedby="port-label">
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<div class="input-group-append">
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<button id="inc-port" class="btn btn-secondary btn-sm" type="button"
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@ -298,10 +298,10 @@
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<label for="encoding" class="col-auto col-form-label">Encoding</label>
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<div class="col-auto">
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<select id="encoding" class="custom-select">
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<option selected>None</option>
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<option>encodeURI</option>
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<option>encodeURIComponent</option>
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<option>Base64</option>
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<option value="None">None</option>
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<option value="encodingURI">encodeURI</option>
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<option value="encodeURIComponent">encodeURIComponent</option>
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<option value="Base64">Base64</option>
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</select>
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</div>
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</div>
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@ -333,6 +333,12 @@
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<label for="auto-copy-switch" class="custom-control-label small pr-2 pb-1"
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style="padding-top: 2px">Auto-copy</label>
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</div> -->
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<!-- Raw button -->
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<button type="button" class="raw-listener btn btn-primary float-right mr-3"
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data-toggle="tooltip" title="View raw">
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Raw
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</button>
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<!-- Copy button -->
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<button id="copy-reverse-shell-command" data-toggle="tooltip"
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title="Copy to clipboard" type="button" class="btn btn-primary float-right">
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@ -383,6 +389,12 @@
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<label for="auto-copy-switch" class="custom-control-label small pr-2 pb-1"
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style="padding-top: 2px">Auto-copy</label>
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</div> -->
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<!-- Raw button -->
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<button type="button" class="raw-listener btn btn-primary float-right mr-3"
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data-toggle="tooltip" title="View raw">
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Raw
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</button>
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<!-- Copy button -->
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<button id="copy-bind-shell-command" data-toggle="tooltip" title="Copy to clipboard"
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type="button" class="btn btn-primary float-right">
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@ -435,6 +447,13 @@
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class="custom-control-label small pr-2 pb-1"
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style="padding-top: 2px">Auto-copy</label>
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</div> -->
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<!-- Raw button -->
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<button type="button" class="raw-listener btn btn-primary float-right mr-3"
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data-toggle="tooltip" title="View raw">
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Raw
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</button>
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<!-- Copy button -->
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<button id="copy-msfvenom-command" data-toggle="tooltip"
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title="Copy to clipboard" type="button"
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@ -442,7 +461,6 @@
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Copy
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</button>
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</div>
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</div>
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<!-- /Right column -->
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</div>
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@ -464,6 +482,9 @@
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<!-- RSG data -->
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<script src="js/data.js"></script>
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<!-- RSG raw link generator -->
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<script src="js/raw-link.js"></script>
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<!-- RSG logic -->
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<script>
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// Element selectors
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@ -478,10 +499,6 @@
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const bindShellCommand = document.querySelector("#bind-shell-command");
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const msfVenomCommand = document.querySelector("#msfvenom-command");
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if(localStorage.getItem("ip") == null || localStorage.getItem("ip").length == 0){
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localStorage.setItem("ip", ipInput.placeholder);
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}
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const FilterType = {
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'All': 'all',
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'Windows': 'windows',
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@ -522,6 +539,14 @@
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});
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});
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var rawLinkButtons = document.querySelectorAll('.raw-listener');
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for (const button of rawLinkButtons) {
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button.addEventListener("click", () => {
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const rawLink = RawLink.generate(rsg);
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window.location = rawLink;
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});
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}
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const filterCommandData = function (data, { commandType, filter }) {
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return data.filter(item => {
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if (!item.meta.includes(commandType)) {
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@ -540,22 +565,12 @@
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});
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}
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const uiElements = {
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[CommandType.ReverseShell]: {
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listSelection: '#reverse-shell-selection',
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command: '#reverse-shell-command'
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},
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[CommandType.BindShell]: {
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listSelection: '#bind-shell-selection',
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command: '#bind-shell-command',
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},
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[CommandType.MSFVenom]: {
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listSelection: '#msfvenom-selection',
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command: '#msfvenom-command'
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}
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};
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const rsg = {
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ip: localStorage.getItem('ip') || '10.10.10.10',
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port: localStorage.getItem('port') || 9001,
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shell: localStorage.getItem('shell') || rsgData.shells[0],
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listener: localStorage.getItem('listener') || rsgData.listenerCommands[0][1],
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encoding: localStorage.getItem('encoding') || 'None',
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selectedValues: {
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[CommandType.ReverseShell]: filterCommandData(rsgData.reverseShellCommands, { commandType: CommandType.ReverseShell })[0].name,
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[CommandType.BindShell]: filterCommandData(rsgData.reverseShellCommands, { commandType: CommandType.BindShell })[0].name,
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commandType: CommandType.ReverseShell,
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filter: FilterType.All,
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uiElements: {
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[CommandType.ReverseShell]: {
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listSelection: '#reverse-shell-selection',
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command: '#reverse-shell-command'
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},
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[CommandType.BindShell]: {
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listSelection: '#bind-shell-selection',
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command: '#bind-shell-command',
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},
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[CommandType.MSFVenom]: {
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listSelection: '#msfvenom-selection',
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command: '#msfvenom-command'
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}
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},
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copyToClipboard: (text) => {
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if (navigator ?.clipboard ?.writeText) {
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navigator.clipboard.writeText(text)
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@ -578,9 +608,13 @@
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escapeHTML: (text) => String(text).replace(/</, '<').replace(/>/, '>'),
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getIP: () => localStorage.getItem("ip"),
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getIP: () => rsg.ip,
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getPort: () => Number(portInput.value || portInput.getAttribute('placeholder')),
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getPort: () => Number(rsg.port),
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getShell: () => rsg.shell,
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getEncoding: () => rsg.encoding,
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getSelectedCommandName: () => {
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return rsg.selectedValues[rsg.commandType];
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@ -591,13 +625,44 @@
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return reverseShellData.command;
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},
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generateReverseShellCommand: () => {
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let command
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if (rsg.getSelectedCommandName() === 'PowerShell #3 (Base64)') {
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const encoder = (text) => text;
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const payload = rsg.insertParameters(rsgData.specialCommands['PowerShell payload'], encoder)
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command = "powershell -e " + btoa(payload)
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} else {
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command = rsg.getReverseShellCommand()
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}
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const encoding = rsg.getEncoding();
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if (encoding === 'Base64') {
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command = btoa(command)
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} else {
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function encoder(string) {
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return (encoding === 'encodeURI' || encoding === 'encodeURIComponent') ? window[
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encoding](string) : string
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}
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command = rsg.insertParameters(
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rsg.highlightParameters(
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encoder(command), encoder),
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encoder
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)
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}
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return command;
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},
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highlightParameters: (text, encoder) => {
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const parameters = ['{ip}', '{port}', '{shell}', encodeURI('{ip}'), encodeURI('{port}'),
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encodeURI('{shell}')
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];
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parameters.forEach((param) => {
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if (encoder) param = encoder(param)
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text = text.replace(param, `<span class="highlighted-parameter">${param}</span>`)
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text = text.replace(param, `<span class="highlighted-parameter">${param}</span>`)
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})
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return text
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},
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@ -615,7 +680,7 @@
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const option = document.createElement("option");
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option.value = command;
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option.selected = i === 0;
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option.selected = rsg.listener === option.value;
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option.classList.add("listener-option");
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option.innerText = type;
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@ -627,7 +692,7 @@
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rsgData.shells.forEach((shell, i) => {
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const option = document.createElement("option");
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option.selected = i === 0;
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option.selected = rsg.shell === shell;
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option.classList.add("shell-option");
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option.innerText = shell;
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@ -636,13 +701,13 @@
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},
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// Updates the rsg state, and forces a re-render
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setState: ({ filter, commandType } = {}) => {
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if (filter) {
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rsg.filter = filter;
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}
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if (commandType) {
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rsg.commandType = commandType;
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}
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setState: (newState = {}) => {
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Object.keys(newState).forEach((key) => {
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const value = newState[key];
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rsg[key] = value;
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localStorage.setItem(key, value)
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});
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Object.assign(rsg, newState);
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rsg.update();
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},
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@ -651,13 +716,34 @@
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return command
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.replaceAll(encoder('{ip}'), rsg.escapeHTML(encoder(rsg.getIP())))
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.replaceAll(encoder('{port}'), encoder(String(rsg.getPort())))
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.replaceAll(encoder('{shell}'), encoder(shellSelect.value))
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.replaceAll(encoder('{shell}'), encoder(rsg.getShell()))
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},
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update: () => {
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rsg.updateListenerCommand()
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rsg.updateTabList()
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rsg.updateReverseShellCommand()
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rsg.updateValues()
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},
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updateValues: () => {
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const listenerOptions = listenerSelect.querySelectorAll(".listener-option");
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listenerOptions.forEach((option) => {
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option.selected = rsg.listener === option.value;
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});
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const shellOptions = shellSelect.querySelectorAll(".shell-option");
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shellOptions.forEach((option) => {
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option.selected = rsg.shell === option.value;
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});
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const encodingOptions = encodingSelect.querySelectorAll("option");
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encodingOptions.forEach((option) => {
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option.selected = rsg.encoding === option.value;
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});
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ipInput.value = rsg.ip;
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portInput.value = rsg.port;
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},
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updateTabList: () => {
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@ -670,8 +756,6 @@
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}
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);
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//debugger;
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const documentFragment = document.createDocumentFragment()
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filteredItems.forEach((item, index) => {
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const {
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@ -701,8 +785,8 @@
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documentFragment.appendChild(selectionButton);
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})
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const listSelectionElement = uiElements[rsg.commandType].listSelection;
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document.querySelector(listSelectionElement).replaceChildren(documentFragment)
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const listSelectionSelector = rsg.uiElements[rsg.commandType].listSelection;
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document.querySelector(listSelectionSelector).replaceChildren(documentFragment)
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},
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updateListenerCommand: () => {
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@ -729,34 +813,9 @@
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},
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updateReverseShellCommand: () => {
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let command
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if (rsg.getSelectedCommandName() === 'PowerShell #3 (Base64)') {
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const encoder = (text) => text;
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const payload = rsg.insertParameters(rsgData.specialCommands['PowerShell payload'], encoder)
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command = "powershell -e " + btoa(payload)
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} else {
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command = rsg.getReverseShellCommand()
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}
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const encoding = encodingSelect.value;
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if (encoding === 'Base64') {
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command = btoa(command)
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} else {
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function encoder(string) {
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return (encoding === 'encodeURI' || encoding === 'encodeURIComponent') ? window[
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encoding](string) : string
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}
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command = rsg.insertParameters(
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rsg.highlightParameters(
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encoder(command), encoder),
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encoder
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)
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}
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const commandElement = uiElements[rsg.commandType].command;
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document.querySelector(commandElement).innerHTML = command;
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const command = rsg.generateReverseShellCommand();
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const commandSelector = rsg.uiElements[rsg.commandType].command;
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document.querySelector(commandSelector).innerHTML = command;
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},
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updateSwitchStates: () => {
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@ -776,18 +835,40 @@
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/*
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* Event handlers/functions
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*/
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const dropdownUpdate = () => {
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setLocalStorage(shellSelect, "shell", "value");
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rsg.update();
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}
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ipInput.addEventListener("input", (e) => {
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rsg.setState({
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ip: e.target.value
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})
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});
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shellSelect.addEventListener("change", dropdownUpdate);
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encodingSelect.addEventListener("change", dropdownUpdate);
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portInput.addEventListener("input", (e) => {
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rsg.setState({
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port: Number(e.target.value)
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})
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});
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listenerSelect.addEventListener("change", (e) => {
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rsg.setState({
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listener: e.target.value
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})
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});
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shellSelect.addEventListener("change", (e) => {
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rsg.setState({
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shell: e.target.value
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})
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});
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encodingSelect.addEventListener("change", (e) => {
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rsg.setState({
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encoding: e.target.value
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})
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});
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document.querySelector('#inc-port').addEventListener('click', () => {
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portInput.value = rsg.getPort() + 1;
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rsg.update();
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setLocalStorage(portInput, "port", "value");
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rsg.setState({
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port: rsg.getPort() + 1
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})
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})
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document.querySelector('#listener-advanced-switch').addEventListener('change', rsg.updateSwitchStates);
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@ -811,96 +892,6 @@
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rsg.copyToClipboard(msfVenomCommand.innerText)
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})
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/*
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* LocalStorage setting/getting
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*/
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/**
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* Sets item to localStorage when user moves focus from element
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* @param {Object} element - The element to get value from
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* @param {String} key - Key of localStorage value
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* @param {String} attribute - Attribute of element to set to localStorage value
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*/
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const setLocalStorage = (element, key, attribute) => {
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if (!element || typeof element !== "object") return;
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localStorage.setItem(key, element[attribute]);
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}
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/**
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* Prepopulates element if localStorage value exists
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* @param {String} key - Key of localStorage value
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* @param {Object} element - The element to apply value to
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* @param {String} attribute - Attribute of element to apply localStorage value to
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*/
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const prepopulateElement = (key, element, attribute, options = null) => {
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if (localStorage.getItem(key)) {
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// TODO: Use switch/case instead
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if (element.type === "text") {
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element[attribute] = localStorage.getItem(key);
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}
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||||
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||||
if (element.type === "checkbox") {
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||||
const isChecked = (localStorage.getItem(key) !== 'false');
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element[attribute] = isChecked;
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}
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||||
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if (element.nodeName === "SELECT") {
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const selectedItem = options.find(option => option[attribute] === localStorage.getItem(key));
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selectedItem.selected = true;
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}
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||||
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||||
}
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||||
}
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||||
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/*
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||||
* Prepopulating fields on load from localStorage
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*/
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||||
// TODO: async/await
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||||
setTimeout(() => {
|
||||
const listenerOptions = listenerSelect.querySelectorAll(".listener-option");
|
||||
prepopulateElement("listener", listenerSelect, "value", [...listenerOptions]);
|
||||
|
||||
rsg.updateListenerCommand();
|
||||
}, 500);
|
||||
|
||||
setTimeout(() => {
|
||||
const shellOptions = shellSelect.querySelectorAll(".shell-option");
|
||||
prepopulateElement("shell", shellSelect, "value", [...shellOptions]);
|
||||
}, 500);
|
||||
|
||||
prepopulateElement("ip", ipInput, "value");
|
||||
prepopulateElement("port", portInput, "value");
|
||||
// prepopulateElement("auto-copy", autoCopySwitch, "checked");
|
||||
|
||||
/*
|
||||
* Event listeners for setting localStorage values
|
||||
*/
|
||||
ipInput.addEventListener("input", () => {
|
||||
setLocalStorage(ipInput, "ip", "value");
|
||||
rsg.update();
|
||||
});
|
||||
|
||||
portInput.addEventListener("input", () => {
|
||||
setLocalStorage(portInput, "port", "value");
|
||||
rsg.update();
|
||||
});
|
||||
|
||||
listenerSelect.addEventListener("change", () => {
|
||||
rsg.updateListenerCommand();
|
||||
|
||||
const listenerOptions = listenerSelect.querySelectorAll(".listener-option");
|
||||
const selectedItem = [...listenerOptions].find(option => option.selected);
|
||||
setLocalStorage(selectedItem, "listener", "value");
|
||||
});
|
||||
|
||||
shellSelect.addEventListener("change", () => {
|
||||
rsg.updateReverseShellSelection();
|
||||
|
||||
const shellOptions = shellSelect.querySelectorAll(".shell-option");
|
||||
const selectedItem = [...shellOptions].find(option => option.selected);
|
||||
setLocalStorage(selectedItem, "shell", "value");
|
||||
});
|
||||
|
||||
// autoCopySwitch.addEventListener("change", () => {
|
||||
// setLocalStorage(autoCopySwitch, "auto-copy", "checked");
|
||||
// });
|
||||
|
||||
@ -345,3 +345,8 @@ const rsgData = {
|
||||
...msfvenomCommands
|
||||
]
|
||||
}
|
||||
|
||||
// Export the data for use within netlify functions / node
|
||||
if (typeof exports !== 'undefined') {
|
||||
exports.rsgData = rsgData;
|
||||
}
|
||||
|
||||
44
js/raw-link.js
Normal file
44
js/raw-link.js
Normal file
@ -0,0 +1,44 @@
|
||||
/**
|
||||
* Generates a RawLink for the reverse shell generator. If the user hasn't changed
|
||||
* the default generated shell command, the generated URL will contain the original
|
||||
* parameters to generate the required command on demand.
|
||||
*
|
||||
* Otherwise a unique URL is created which inlined the current user provided command.
|
||||
*/
|
||||
const RawLink = {
|
||||
generate: (rsg) => {
|
||||
const commandSelector = rsg.uiElements[rsg.commandType].command;
|
||||
const currentCommandElement = document.querySelector(commandSelector);
|
||||
const defaultGeneratedCommand = rsg.generateReverseShellCommand();
|
||||
const isUserProvidedCommand = currentCommandElement.innerHTML != RawLink.escapeHTML(defaultGeneratedCommand);
|
||||
|
||||
if (isUserProvidedCommand) {
|
||||
return RawLink.withCustomValue(currentCommandElement.innerText)
|
||||
|
||||
}
|
||||
return RawLink.withDefaultPayload(rsg);
|
||||
},
|
||||
|
||||
escapeHTML(html) {
|
||||
var element = document.createElement('div');
|
||||
element.innerHTML = html;
|
||||
return element.innerHTML;
|
||||
},
|
||||
|
||||
withDefaultPayload: (rsg) => {
|
||||
const name = rsg.selectedValues[rsg.commandType];
|
||||
const queryParams = new URLSearchParams();
|
||||
queryParams.set('ip', rsg.getIP());
|
||||
queryParams.set('port', rsg.getPort());
|
||||
queryParams.set('shell', rsg.getShell());
|
||||
queryParams.set('encoding', rsg.getShell());
|
||||
|
||||
return `/${encodeURIComponent(name)}?${queryParams}`
|
||||
},
|
||||
|
||||
withCustomValue: (value) => {
|
||||
const queryParams = new URLSearchParams();
|
||||
queryParams.set('value', value)
|
||||
return `/raw?${queryParams}`
|
||||
}
|
||||
}
|
||||
7
netlify.toml
Normal file
7
netlify.toml
Normal file
@ -0,0 +1,7 @@
|
||||
[build]
|
||||
functions = "server_functions"
|
||||
|
||||
[[redirects]]
|
||||
from = "/*"
|
||||
to = "/.netlify/functions/raw"
|
||||
status = 200
|
||||
60
server_functions/raw.js
Normal file
60
server_functions/raw.js
Normal file
@ -0,0 +1,60 @@
|
||||
const { rsgData } = require("../js/data.js");
|
||||
|
||||
const insertParameters = function (command, params) {
|
||||
// TODO: Extract the inlined JS from index.html into a new file,
|
||||
// so the insertParameters + encoding logic can be reused
|
||||
const encoder = (value) => value;
|
||||
|
||||
return command
|
||||
.replace(encoder('{ip}'), encoder(params.ip))
|
||||
.replace(encoder('{port}'), encoder(String(params.port)))
|
||||
.replace(encoder('{shell}'), encoder(params.shell))
|
||||
}
|
||||
|
||||
const generateCommand = function (event, _context) {
|
||||
const { path, queryStringParameters } = event;
|
||||
|
||||
const requiredName = decodeURIComponent(path.substring(1));
|
||||
const selectedItem = rsgData.reverseShellCommands.find(function ({ name }) {
|
||||
return requiredName === name;
|
||||
});
|
||||
|
||||
if (!selectedItem) {
|
||||
return {
|
||||
statusCode: 401,
|
||||
body: `Command name '${requiredName}' not found`
|
||||
}
|
||||
}
|
||||
|
||||
const { command } = selectedItem;
|
||||
const result = insertParameters(command, queryStringParameters);
|
||||
|
||||
return {
|
||||
statusCode: 200,
|
||||
body: result
|
||||
}
|
||||
}
|
||||
|
||||
const extractRawValue = function (event) {
|
||||
const { queryStringParameters } = event;
|
||||
|
||||
return {
|
||||
statusCode: 200,
|
||||
body: queryStringParameters.value
|
||||
}
|
||||
}
|
||||
|
||||
exports.handler = async function (event, _context) {
|
||||
const { queryStringParameters } = event;
|
||||
const defaultHeaders = { headers: { 'Content-Type': "text/plain;charset=UTF-8" } };
|
||||
if (queryStringParameters.value) {
|
||||
return {
|
||||
...defaultHeaders,
|
||||
...extractRawValue(event)
|
||||
}
|
||||
}
|
||||
return {
|
||||
...defaultHeaders,
|
||||
...generateCommand(event)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user