mimikatz
Ciphey
mimikatz | Ciphey | |
---|---|---|
25 | 27 | |
18,749 | 17,053 | |
- | 2.2% | |
5.2 | 2.9 | |
4 months ago | about 1 month ago | |
C | Python | |
- | MIT License |
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mimikatz
- is anyone here using the windows firewalls on their clients to help with/prevent/make it harder to do lateral movements?
- Ok, thanks I guess
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4 AD Attacks and How to Protect Against Them
Mimikatz
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Compromising Plaintext Passwords in Active Directory
Typically, Mimikatz is used to extract NTLM password hashes or Kerberos tickets from memory. However, one of its lesser-known capabilities is the ability to extract plaintext passwords from dumps created for the LSASS process. This means that an attacker can compromise plaintext passwords without running any nefarious code on domain controllers. Dump files can be created interactively or using ProcDump , and in either case, the activity is unlikely to be flagged by anti-virus software. Once the dumps are created, they can be copied off the domain controller and the plaintext credentials can be harvested using Mimikatz offline.
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How to Detect Pass-the-Ticket Attacks
Mimikatz can be used to perform pass-the-ticket, but in this post, we wanted to show how to execute the attack using another tool, Rubeus , lets you perform Kerberos based attacks. Rubeus is a C# toolset written by harmj0y and is based on the Kekeo project by Benjamin Delpy, the author of Mimikatz .
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What is DCShadow Attack and How to Defend Against It
What is DCShadow? DCShadow is a command in the Mimikatz tool that enables an adversary to register a rogue domain controller and replicate malicious changes across the domain.
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Stealing User Passwords with Mimikatz DCSync
Mimikatz provides a variety of ways to extract and manipulate credentials, but one of the most alarming is the DCSync command. Using this command, an adversary can simulate the behavior of a domain controller and ask other domain controllers to replicate information — including user password data. In fact, attackers can get any account’s NTLM password hash or even its plaintext password, including the password of the KRBTGT account, which enables them to create Golden Tickets.
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Domain Compromise with a Golden Ticket Attack
Using Mimikatz , it is possible to leverage the password of the KRBTGT account to create forged Kerberos Ticket Granting Tickets (TGTs) which can be used to request Ticket Granting Server (TGS) tickets for any service on any computer in the domain.
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Manipulating User Passwords with Mimikatz
Using the ChangeNTLM and SetNTLM commands in Mimikatz , attackers can manipulate user passwords and escalate their privileges in Active Directory . Let’s take a look at these commands and what they do.
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Extracting Service Account Passwords with Kerberoasting
Mimikatz will extract local tickets and save them to disk for offline cracking. Simply install Mimikatz and issue a single command:
Ciphey
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CyberChef from GCHQ: The Cyber Swiss Army Knife
I also discovered Ciphey. Neat little tool indeed, but it's being deprecated. It's mentioned in this issue[1] and being replaced with Ares[2]. Neither could decipher this strange encryption[3] I used it on :(
[1] https://github.com/Ciphey/Ciphey/issues/764
[2] https://github.com/bee-san/Ares
[3] "dEFLWWFKQWxRQW16RnkvbTZML0lsdz09" original text is "hacker"
- Ciphey – automated decryption/decoding/cracking tool
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Email Obfuscation Rendered Almost Ineffective Against ChatGPT
Check Ciphey, I have used several times before and overall it’s great. https://github.com/Ciphey/Ciphey
- How do you identify common encodings?
- This is from the Netflix series Dark. I hope this isnt very hard to decrypt. I would love to see this cipher get decrypted. Also a good way of suggesting to watch this.
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In CTFs, you'll often get a string of text to decode. Is there a good way to recognize how to decode it?
It can help you detect various encryption and encodings and even decrypt them. Ciphey
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How do I install Ciphey on Windows 10?
I followed the steps here . I am running Python 3.10 (64). When I try to install Ciphey using the instructions, on my cmd prompt I get the following:
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How do I get Ciphey to use more cores for decryption?
repo: https://github.com/Ciphey/Ciphey
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tools for decrypting
if you're looking for something that would decrypt most well-known encodings/ciphers, there's ciphey. but no such thing exists to decrypt every known file type because, if it did, everyone would be using it.
- CyberChef – The Cyber Swiss Army Knife
What are some alternatives?
impacket - Impacket is a collection of Python classes for working with network protocols. [Moved to: https://github.com/SecureAuthCorp/impacket]
CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
john - John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs
juice-shop - OWASP Juice Shop: Probably the most modern and sophisticated insecure web application
bettercap - The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnaissance and MITM attacks.
CrackMapExec - A swiss army knife for pentesting networks
RustScan - 🤖 The Modern Port Scanner 🤖
jwt-cracker - Simple HS256, HS384 & HS512 JWT token brute force cracker.
CVE-2021-1675 - C# and Impacket implementation of PrintNightmare CVE-2021-1675/CVE-2021-34527
github-readme-stats - :zap: Dynamically generated stats for your github readmes
python-evtx - Pure Python parser for Windows Event Log files (.evtx)
Stockfish - A free and strong UCI chess engine