Kaitai Struct
mimikatz
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Kaitai Struct | mimikatz | |
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44 | 25 | |
3,830 | 18,703 | |
1.6% | - | |
7.5 | 5.2 | |
10 days ago | 4 months ago | |
Shell | C | |
GPL-3.0-or-later | - |
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Kaitai Struct
- Reverse-engineering an encrypted IoT protocol
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Parsing an Undocumented File Format
- ImHex [2], which has a pattern language [3] which allows parsing, and it seems more powerful than what Kaitai offers. I stumbled upon some limitations with it but it was still useful.
[1]: https://kaitai.io/
- Kaitai Struct – a declarative language used to describe binary data structures
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HTTPie Desktop: cross-platform API testing client for humans
Beautiful. Didn't know something like this exists. Reminds me of Katai[0]
[0]. https://kaitai.io/
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Hacking the LG Monitor's EDID
An EDID override like this would be helpful for macOS as well, where the monitors swapping around after standby is a real annoyance [0] [1]
EDID rewrites are 99% of the time blocked by the monitor firmware: https://notes.alinpanaitiu.com/Decoding-monitor-EDID-on-macO...
By the way, one helpful tool that helped me navigate the EDID dump was Kaitai Struct [2]. It shows a side by side view with the hex view and the EDID structure, and it highlights the hex values in real time as you navigate the structure. Unfortunately [3] it doesn't support the extension blocks that the author needs.
[0] https://notes.alinpanaitiu.com/Weird-monitor-bugs
[1] https://forums.macrumors.com/threads/external-displays-swapp...
[2] https://kaitai.io/
[3] https://github.com/kaitai-io/edid.ksy
- Kaitai Struct: new way to develop parsers for binary structures
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Fq: Jq for Binary Formats
Kaitai Struct might be a good choice for that: https://kaitai.io/
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Ingesting, parsing and making sense of device log data
For binary log format, there's the excellent Kaitai Struct frameworks, that make it very easy to generate parsers from a declarative schema
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What is this tool? More info in comments
kaitai
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Visual Programming with Elixir: Learning to Write Binary Parsers (2019)
https://kaitai.io/
Worth a look if you are writing binary parsers.
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:
What are some alternatives?
Protobuf - Protocol Buffers - Google's data interchange format
impacket - Impacket is a collection of Python classes for working with network protocols. [Moved to: https://github.com/SecureAuthCorp/impacket]
csvkit - A suite of utilities for converting to and working with CSV, the king of tabular file formats.
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
Camelot - A Python library to extract tabular data from PDFs
bettercap - The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnaissance and MITM attacks.
tablib - Python Module for Tabular Datasets in XLS, CSV, JSON, YAML, &c.
RustScan - 🤖 The Modern Port Scanner 🤖
PDFMiner - Python PDF Parser (Not actively maintained). Check out pdfminer.six.
CVE-2021-1675 - C# and Impacket implementation of PrintNightmare CVE-2021-1675/CVE-2021-34527
rizin - UNIX-like reverse engineering framework and command-line toolset.
python-evtx - Pure Python parser for Windows Event Log files (.evtx)