gef
masscan
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| gef | masscan | |
|---|---|---|
| 15 | 64 | |
| 6,474 | 22,600 | |
| - | - | |
| 8.4 | 7.8 | |
| 6 days ago | about 1 month ago | |
| Python | C | |
| MIT License | GNU Affero General Public License v3.0 |
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gef
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Beej's Quick Guide to GDB (2009)
There is also GEF, which is widely used by the reverse engineering and CTF community.
https://github.com/hugsy/gef
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How do you use gdb without the tui? Are there advantages? Or just describe your GDB workflow.
If you are on Linux, install GEF and be happy.
- TF2 on Linux is running incredibly poorly, reporting 1200%+ CPU usage. Steam also appears to have some sort of memleak and infinite loop/callback going on leading to absurd CPU usage over time.
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Any good and easy-to-use C debuggers?
If you are in linux, I recomend none of them (haha) because you should get more used to GDB a little bit. You just need to install some good visualizers likes GEF, for example.
- Emulating an emulator inside itself. Meet Blink
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Are there any cpu emulators that could help me learn i386 assembly?
https://github.com/hugsy/gef, https://hugsy.github.io/gef/, https://hugsy.github.io/gef/commands/context/ ("Values in red indicate that this register has had its value changed since the last time execution stopped.")
- What plugins do you recommend for ExploitDev or RE and why?
- Awesome TUI tools
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Fully Dockerized Linux kernel debugging environment
The attached debugger is not just raw GDB but is using https://hugsy.github.io/gef/ to make debugging less of a pain. It's still not perfect but helps plenty already.
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Debugging with GDB
I still struggle with GDB but my excuse is that I seldom use it.
When I was studying reverse engineering though, I came across a really cool kit (which I've yet to find an alternative for lldb, which would be nice given: rust)
I'd recommend checking it out, if for no other reason than it makes a lot of things really obvious (like watching what value lives in which register).
https://github.com/hugsy/gef
LLDB's closest alternative to this is called Venom, but it's not the same at all. https://github.com/ovh/venom
masscan
- Why so many bots?
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Mass Scanning
Can I get banned for mass scanning with https://github.com/robertdavidgraham/masscan or does it slow down any other vms from other persons?
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Has anyone ever had their homelab or network hacked? What happened?
Nope, this doesn't work any more. Shodan checks all ports (so any attackers using data from Shodan already know which ports you have open), and tools like masscan (https://github.com/robertdavidgraham/masscan) let you portscan the entire IPv4 address space in less than 10 minutes.
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Private server intruded
https://github.com/LogoiLab/mcsl https://github.com/robertdavidgraham/masscan
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My home server is frustrating me. Please help me, home server wizards.
Changing the default port does nothing for security. It only prevents some basic brute force or default password scripts. Anyone is able to scan for it in no time anyway (https://github.com/robertdavidgraham/masscan).
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Should I be Concerned?
But it should blow away the far-too-common belief that no-one's after you because you're not interesting enough. IPv4 is smaller than we think. It is not difficult to scan the entire ipv4 space in minutes. And every single one of those is going to knock your door on the way past.
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Ask HN: Looking for an Old Article
I'm not sure about the article, but the blazingly-fast IP scanner sounds a lot like Masscan. It can scan the entire Internet in 5 minutes and has received a lot of press: https://github.com/robertdavidgraham/masscan . https://rushter.com/blog/how-masscan-works/ is one of many articles about it.
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Is my Synology getting port-scanned?
Here's an except from the masscan docs:
- I was hit with ransomware in my Plex server and I'm not sure where it came from. Could a DMZ be the cause?
- PSA: Masscan has changed his IP. Please block the new one on your firewall! Its likely our vps reporting worked.
What are some alternatives?
pwndbg - Exploit Development and Reverse Engineering with GDB Made Easy
RustScan - 🤖 The Modern Port Scanner 🤖
peda - PEDA - Python Exploit Development Assistance for GDB
zmap - ZMap is a fast single packet network scanner designed for Internet-wide network surveys.
gdb-dashboard - Modular visual interface for GDB in Python
amass - In-depth attack surface mapping and asset discovery
lldb-mi - LLDB's machine interface driver
nuclei - Fast and customizable vulnerability scanner based on simple YAML based DSL.
radare2 - UNIX-like reverse engineering framework and command-line toolset [Moved to: https://github.com/radareorg/radare2]
zgrab2-configurations - A repository for possible zgrab2 configurations
edb-debugger - edb is a cross-platform AArch32/x86/x86-64 debugger.
mitmproxy - An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.