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‎.github/FUNDING.yml‎

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# These are supported funding model platforms
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github: p0dalirius
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patreon: Podalirius

‎.github/banner.png‎

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‎.github/workflows/auto_prefix_issues.yml‎

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name: Auto-prefix & Label Issues
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on:
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issues:
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types: [opened, edited]
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jobs:
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prefix_and_label:
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runs-on: ubuntu-latest
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steps:
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- name: Ensure labels exist, then prefix titles & add labels
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uses: actions/github-script@v6
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with:
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script: |
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const owner = context.repo.owner;
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const repo = context.repo.repo;
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// 1. Ensure required labels exist
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const required = [
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{ name: 'bug', color: 'd73a4a', description: 'Something isn\'t working' },
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{ name: 'enhancement', color: 'a2eeef', description: 'New feature or request' }
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];
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// Fetch current labels in the repo
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const { data: existingLabels } = await github.rest.issues.listLabelsForRepo({
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owner, repo, per_page: 100
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});
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const existingNames = new Set(existingLabels.map(l => l.name));
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// Create any missing labels
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for (const lbl of required) {
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if (!existingNames.has(lbl.name)) {
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await github.rest.issues.createLabel({
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owner,
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repo,
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name: lbl.name,
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color: lbl.color,
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description: lbl.description
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});
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console.log(`Created label "${lbl.name}"`);
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}
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}
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// 2. Fetch all open issues
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const issues = await github.paginate(
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github.rest.issues.listForRepo,
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{ owner, repo, state: 'open', per_page: 100 }
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);
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// 3. Keyword sets
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const enhancementWords = ["add", "added", "improve", "improved"];
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const bugWords = ["bug", "error", "problem", "crash", "failed", "fix", "fixed"];
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// 4. Process each issue
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for (const issue of issues) {
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const origTitle = issue.title;
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const lower = origTitle.toLowerCase();
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// skip if already prefixed
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if (/^\[(bug|enhancement)\]/i.test(origTitle)) continue;
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let prefix, labelToAdd;
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if (enhancementWords.some(w => lower.includes(w))) {
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prefix = "[enhancement]";
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labelToAdd = "enhancement";
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} else if (bugWords.some(w => lower.includes(w))) {
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prefix = "[bug]";
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labelToAdd = "bug";
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}
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if (prefix) {
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// update title
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await github.rest.issues.update({
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owner, repo, issue_number: issue.number,
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title: `${prefix} ${origTitle}`
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});
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console.log(`Prefixed title of #${issue.number}`);
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// add label
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await github.rest.issues.addLabels({
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owner, repo, issue_number: issue.number,
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labels: [labelToAdd]
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});
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console.log(`Added label "${labelToAdd}" to #${issue.number}`);
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}
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}

‎.github/workflows/commit.yaml‎

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name: Build on commit
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on:
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push:
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branches:
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- '*'
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jobs:
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build:
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name: Build Release Assets
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runs-on: ubuntu-latest
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strategy:
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matrix:
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os: [linux, windows, darwin]
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arch: [amd64, arm64, 386]
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binaryname: [ComputeSIDFromServiceName]
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# Exclude incompatible couple of GOOS and GOARCH values
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exclude:
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- os: darwin
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arch: 386
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env:
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GO111MODULE: 'on'
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CGO_ENABLED: '0'
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steps:
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- name: Checkout Repository
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uses: actions/checkout@v3
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- name: Set up Go
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uses: actions/setup-go@v4
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with:
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go-version: '1.24.0'
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- name: Build Binary
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env:
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GOOS: ${{ matrix.os }}
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GOARCH: ${{ matrix.arch }}
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run: |
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mkdir -p build
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OUTPUT_PATH="../build/${{ matrix.binaryname }}-${{ matrix.os }}-${{ matrix.arch }}"
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# Build the binary
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go build -ldflags="-s -w" -o $OUTPUT_PATH${{ matrix.os == 'windows' && '.exe' || '' }}

‎.github/workflows/release.yaml‎

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name: Build and Release
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on:
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release:
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types: [published]
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jobs:
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build:
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name: Build Release Assets
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runs-on: ubuntu-latest
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strategy:
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matrix:
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os: [linux, windows, darwin]
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arch: [amd64, arm64, 386]
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binaryname: [ComputeSIDFromServiceName]
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# Exclude incompatible couple of GOOS and GOARCH values
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exclude:
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- os: darwin
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arch: 386
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env:
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GO111MODULE: 'on'
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CGO_ENABLED: '0'
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steps:
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- name: Checkout Repository
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uses: actions/checkout@v3
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- name: Set up Go
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uses: actions/setup-go@v4
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with:
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go-version: '1.24.0'
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- name: Build Binary
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env:
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GOOS: ${{ matrix.os }}
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GOARCH: ${{ matrix.arch }}
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run: |
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mkdir -p bin
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OUTPUT_PATH="../build/${{ matrix.binaryname }}-${{ matrix.os }}-${{ matrix.arch }}"
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# Build the binary
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go build -ldflags="-s -w" -o $OUTPUT_PATH${{ matrix.os == 'windows' && '.exe' || '' }}
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- name: Prepare Release Assets
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if: ${{ success() }}
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run: |
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mkdir -p ./release/
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cp ./build/${{ matrix.binaryname }}-* ./release/
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- name: Upload the Release binaries
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uses: svenstaro/upload-release-action@v2
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with:
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repo_token: ${{ secrets.GITHUB_TOKEN }}
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tag: ${{ github.ref }}
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file: ./release/${{ matrix.binaryname }}-*
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file_glob: true

‎.gitignore‎

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# If you prefer the allow list template instead of the deny list, see community template:
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# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
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#
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# Binaries for programs and plugins
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*.exe
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*.exe~
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*.dll
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*.so
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*.dylib
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# Test binary, built with `go test -c`
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*.test
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# Code coverage profiles and other test artifacts
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*.out
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coverage.*
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*.coverprofile
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profile.cov
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# Dependency directories (remove the comment below to include it)
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# vendor/
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# Go workspace file
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go.work
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go.work.sum
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# env file
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.env
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# Editor/IDE
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# .idea/
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# .vscode/

‎README.md‎

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![](./.github/banner.png)
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<p align="center">
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A cross-platform tool to compute the value of a Windows Security Identifier (SID) from a service name.
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<br>
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<img alt="GitHub release (latest by date)" src="https://img.shields.io/github/v/release/TheManticoreProject/ComputeSIDFromServiceName">
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<a href="https://twitter.com/intent/follow?screen_name=podalirius_" title="Follow"><img src="https://img.shields.io/twitter/follow/podalirius_?label=Podalirius&style=social"></a>
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<a href="https://www.youtube.com/c/Podalirius_?sub_confirmation=1" title="Subscribe"><img alt="YouTube Channel Subscribers" src="https://img.shields.io/youtube/channel/subscribers/UCF_x5O7CSfr82AfNVTKOv_A?style=social"></a>
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<br>
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</p>
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## Features
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- [x] Compute the value of a Windows Security Identifier (SID) from a service name
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## Example
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```bash
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$ ./ComputeSIDFromServiceName -s "MSSQLSERVER"
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S-1-5-80-1000-1000-1000-1000-1000
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```
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## Usage
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```
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$ ./ComputeSIDFromServiceName -h
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Usage: ComputeSIDFromServiceName [--debug] --service-name <string>
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-d, --debug Debug mode. (default: false)
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-s, --service-name <string> Service name to compute SID from.
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```
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## Contributing
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Pull requests are welcome. Feel free to open an issue if you want to add other features.
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## References
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- https://pcsxcetrasupport3.wordpress.com/2013/09/08/how-do-you-get-a-service-sid-from-a-service-name/

‎go.mod‎

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module github.com/TheManticoreProject/ComputeSIDFromServiceName
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go 1.24.0
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require github.com/TheManticoreProject/goopts v1.2.4

‎go.sum‎

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github.com/TheManticoreProject/goopts v1.2.4 h1:HTR+i6ZfcwTPSDltENayQvTH2fZP6cDx0GTBUp/RuPM=
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github.com/TheManticoreProject/goopts v1.2.4/go.mod h1:NaM3hXXCeN+x9ZSlkS6Bm8i8Lfqe28/rveBsfrMUrAo=

‎main.go‎

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package main
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import (
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"crypto/sha1"
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"encoding/binary"
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"fmt"
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"os"
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"strings"
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"unicode/utf16"
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"github.com/TheManticoreProject/goopts/parser"
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)
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var (
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// Configuration
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debug bool
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// Source values
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serviceName string
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)
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func ComputeSIDFromServiceName(serviceName string) (string, error) {
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serviceName = strings.TrimSpace(serviceName)
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if serviceName == "" {
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return "", fmt.Errorf("service name is required")
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}
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upper := strings.ToUpper(serviceName)
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// Encode as UTF-16LE (Windows "Unicode")
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utf16Units := utf16.Encode([]rune(upper))
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utf16LE := make([]byte, len(utf16Units)*2)
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for i, u := range utf16Units {
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binary.LittleEndian.PutUint16(utf16LE[i*2:], u)
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}
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sum := sha1.Sum(utf16LE)
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// SHA-1 is 20 bytes -> five little-endian uint32 components
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parts := make([]uint32, 5)
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for i := 0; i < 20; i += 4 {
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parts[i/4] = binary.LittleEndian.Uint32(sum[i : i+4])
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}
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return fmt.Sprintf("S-1-5-80-%d-%d-%d-%d-%d", parts[0], parts[1], parts[2], parts[3], parts[4]), nil
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}
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func parseArgs() {
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ap := parser.ArgumentsParser{Banner: "ComputeSIDFromServiceName - by Remi GASCOU (Podalirius) @ TheManticoreProject - v1.0.0"}
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// Configuration flags
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ap.NewBoolArgument(&debug, "-d", "--debug", false, "Debug mode.")
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ap.NewStringArgument(&serviceName, "-s", "--service-name", "", true, "Service name to compute SID from.")
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ap.Parse()
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}
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func main() {
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parseArgs()
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sid, err := ComputeSIDFromServiceName(serviceName)
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if err != nil {
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fmt.Fprintln(os.Stderr, "Error:", err)
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os.Exit(1)
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}
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fmt.Println(sid)
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}

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