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seggewiss/README.md

whoami 👋

I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.

Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.

Currently working on 🔓

Releases I have contributed to 📦

  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions

Stats 📊

Sebastian's GitHub metrics

Pinned Loading

  1. ine-flag-hiderine-flag-hiderPublic

    Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python

  2. shadowsmithshadowsmithPublic

    Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
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  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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36
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 · 31
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Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 · 31
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Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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 · 31
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Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
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Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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View seggewiss's full-sized avatar
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🎯
Focusing
36
followers
 · 31
following

Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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36
followers
 · 31
following

Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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36
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 · 31
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Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
Achievements
Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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seggewiss/README.md
whoami 👋
I'm Sebastian Seggewiss — a software engineer currently deep in offensive security: network pivoting, exploitation, and building small tools and labs for CTF-style practice.
Open-source is close to my heart, and these days most of that energy goes into breaking things safely in labs and building the tooling around it.
Currently working on 🔓
Releases I have contributed to 📦
  • shopware/shopware (v6.7.13.1, 1 week ago) - Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 3.100 community extensions
Stats 📊
Sebastian's GitHub metrics

Pinned
Loading
  1. ine-flag-hiderine-flag-hiderPublic
    
Chrome extension that automatically removes flag hints in both the lab description and the submit form. This extension aims to maximize learning effect.

    Python
  2. shadowsmithshadowsmithPublic
    
Forge crypt(3) password hashes for every format /etc/shadow accepts (DES, MD5, SHA-256, SHA-512, Blowfish) — a lab/CTF tool

    Python