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Auto-Install the CrabPascal Compiler on Windows | Auto-instalação do compilador no Windows

Bilingual post · Post bilíngue Jump to: English · Português English {#english} Auto-Install the CrabPascal Compiler on Windows Installing a compiler manually — download, extract, edit PATH, restart terminal — kill…

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Bilingual post · Post bilíngue


Jump to: English · Português










English {#english}






Auto-Install the CrabPascal Compiler on Windows



Installing a compiler manually — download, extract, edit PATH, restart terminal — kills onboarding. Modern editor extensions (Rust Analyzer, Python, Go) download tooling automatically. CrabPascal v2.22.0 follows the same pattern through the crabpascal.crabpascal VS Code extension.






The problem we solved



Before auto-install, the flow was:




  1. Install the VS Code extension

  2. Download crab-pascal.exe separately

  3. Configure crabpascal.compilerPath by hand

  4. Hope PATH is correct



Too many steps. Auto-install reduces this to: install extension → open a .pas file → press Build.






How detection works



When you trigger a CrabPascal task, the extension searches in order:





  1. User-configured path — crabpascal.compilerPath in settings


  2. System PATH — where crab-pascal.exe


  3. Extension cache — %USERPROFILE%\.vscode\extensions\crabpascal\bin\


  4. Prompt download — if nothing found on Windows



Advanced users who compile from source (cargo build --release) are respected — if the binary exists, no download happens.






First-run experience






You install crabpascal.crabpascal
↓
Open ProdutoService.pas
↓
Ctrl+Shift+B (Build)
↓
Popup: "CrabPascal needs to download the compiler (~5 MB). Continue?"
↓
[Yes] → Download v2.22.0 → Extract → Run check
[No] → Show manual setup instructions






The download pulls the matching release binary for win32-x64. After install, subsequent builds skip the prompt.






Manual override



Prefer your own build? Set settings explicitly:




{
"crabpascal.compilerPath": "C:\\Users\\You\\Documents\\crabpascal\\target\\release\\crab-pascal.exe",
"crabpascal.autoInstall": false
}






Or add to PATH permanently:




$path = "C:\Tools\crabpascal\crab-pascal.exe"
[Environment]::SetEnvironmentVariable(
"Path",
$env:Path + ";$(Split-Path $path)",
[EnvironmentVariableTarget]::User
)









Verify installation



After auto-install or manual setup:




crab-pascal --version
# CrabPascal v2.22.0

crab-pascal check examples\crud\crud.dpr






In VS Code, open Output → CrabPascal to see which binary path was selected.






Offline and enterprise scenarios



Auto-install requires network access on first run. For air-gapped machines:




  • Copy crab-pascal.exe to a shared folder

  • Distribute a .vscode/settings.json with crabpascal.compilerPath

  • Or pre-populate the extension bin/ folder via deployment script






Comparison with other extensions
























Extension Strategy
Rust Analyzer Downloads rust-analyzer on demand
CrabPascal Downloads crab-pascal.exe on demand
C/C++ (MS) Bundles large toolchains


CrabPascal keeps the VSIX small (~1 MB) and fetches the compiler separately — easier to update per sprint without republishing the entire extension.






What's next



Linux and macOS auto-install follow the same detection logic with platform-specific release assets. Until then, use cargo build --release or download from releases.



Auto-install is about removing friction, not hiding the compiler. You always know where the binary lives, and you can override it anytime. Install the extension, press Build, write Pascal. 🦀









Português {#portugus}






Auto-instalação do compilador CrabPascal no Windows



Instalar compilador na mão — baixar, extrair, editar PATH, reiniciar terminal — mata o onboarding. Extensões modernas (Rust Analyzer, Python, Go) baixam ferramentas automaticamente. O CrabPascal v2.22.0 segue o mesmo padrão pela extensão VS Code crabpascal.crabpascal.






O problema que resolvemos



Antes da auto-instalação, o fluxo era:




  1. Instalar extensão VS Code

  2. Baixar crab-pascal.exe separadamente

  3. Configurar crabpascal.compilerPath manualmente

  4. Torcer para o PATH estar certo



Passos demais. A auto-instalação reduz a: instalar extensão → abrir .pas → pressionar Build.






Como funciona a detecção



Ao disparar uma task CrabPascal, a extensão busca nesta ordem:





  1. Caminho configurado — crabpascal.compilerPath nas settings


  2. PATH do sistema — where crab-pascal.exe


  3. Cache da extensão — %USERPROFILE%\.vscode\extensions\crabpascal\bin\


  4. Oferecer download — se nada for encontrado no Windows



Usuários avançados que compilam do fonte (cargo build --release) são respeitados — se o binário existe, não há download.






Experiência na primeira execução






Você instala crabpascal.crabpascal
↓
Abre ProdutoService.pas
↓
Ctrl+Shift+B (Build)
↓
Popup: "CrabPascal precisa baixar o compilador (~5 MB). Continuar?"
↓
[Sim] → Download v2.22.0 → Extrai → Executa check
[Não] → Mostra instruções de setup manual






O download traz o binário de release para win32-x64. Depois, builds seguintes pulam o prompt.






Override manual



Prefere seu próprio build? Configure explicitamente:




{
"crabpascal.compilerPath": "C:\\Users\\Voce\\Documents\\crabpascal\\target\\release\\crab-pascal.exe",
"crabpascal.autoInstall": false
}






Ou adicione ao PATH permanentemente:




$path = "C:\Tools\crabpascal\crab-pascal.exe"
[Environment]::SetEnvironmentVariable(
"Path",
$env:Path + ";$(Split-Path $path)",
[EnvironmentVariableTarget]::User
)









Verificar instalação



Após auto-instalação ou setup manual:




crab-pascal --version
# CrabPascal v2.22.0

crab-pascal check examples\crud\crud.dpr






No VS Code, abra Output → CrabPascal para ver qual caminho de binário foi selecionado.






Cenários offline e corporativos



Auto-instalação exige rede na primeira execução. Em máquinas isoladas:




  • Copie crab-pascal.exe para pasta compartilhada

  • Distribua .vscode/settings.json com crabpascal.compilerPath

  • Ou pré-popule a pasta bin/ da extensão via script de deploy






Comparação com outras extensões
























Extensão Estratégia
Rust Analyzer Baixa rust-analyzer sob demanda
CrabPascal Baixa crab-pascal.exe sob demanda
C/C++ (MS) Embute toolchains grandes


O CrabPascal mantém o VSIX pequeno (~1 MB) e busca o compilador separadamente — mais fácil atualizar por sprint sem republicar a extensão inteira.






Próximos passos



Auto-instalação em Linux e macOS segue a mesma lógica de detecção com assets por plataforma. Até lá, use cargo build --release ou baixe dos releases.



Auto-instalação remove atrito, não esconde o compilador. Você sempre sabe onde o binário está e pode sobrescrever quando quiser. Instale a extensão, pressione Build, escreva Pascal. 🦀






Published on dev.to/@crabpascal · Código em CrabPascal

IoC Intelligence (1 Indikatoren)
dev[.]to
CTI Threat Relationship Graph6 Knoten / 5 Relationen
CVE / Incident Software MITRE ATT&CK CWE Weakness IoC
SOC Incident Playbook: Remote Code Execution (RCE) Defense
Syntax validiert (0 Fehler)
title: Detect Exploitation - Auto-Install the CrabPascal Compiler on Windows | Auto-instalação do compilador no Windows
id: db8bd39d-3dfc-4e06-ac03-d1207772a21e
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-25
logsource:
  category: network_connection
  product: any
detection:
  selection:
      DestinationHostname:
        - 'dev.to'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access
  - attack.t1059
Syntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-25"
        description = "YARA Signature for "
    strings:
        $str = "Auto-Install the CrabPascal Co" ascii wide
    condition:
        any of them
}
Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
(dest_host="dev.to")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count
Syntax validiert (0 Fehler)
destination.domain: ("dev.to") and event.category: "network"
Syntax validiert (0 Fehler)
CommonSecurityLog
| where DestinationHostName in ("dev.to")
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc
🎯
MITRE ATT&CK Matrix Navigator 14 Taktiken
Identifiziert: T1059Command and Scripting Interpreter
Reconnaissance
-
Resource Development
-
Initial Access
Execution
Persistence
-
Privilege Escalation
Defense Evasion
Credential Access
-
Discovery
-
Lateral Movement
-
Collection
-
Command and Control
Exfiltration
-
Impact
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Auto-Install the CrabPascal Compiler on .... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

🛡️ Angriffsfläche & Exposure

Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen
  • 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
  • 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
  • 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
🔗 Semantisch verwandte Zero-Days MariaDB 11.7 VEC
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