2026-02-21

hello, world

First post. For testing the rendering pipeline.

#metaposting#markdown

Lo & behold. All that you touch and all that you see — syntax highlighting, blockquotes, inline code — works out of the box. Useful for out of the box thinking and writing.

Inline Code

Reference tools inline: grep, cat, awk, sed, curl, ls, find, head, tail, split, xargs, tee, diff, patch, jq, uv, ps, env

Subsections for additional content

Reference code: model.generate(), os.environ["ANTHROPIC_API_KEY"], subprocess.run()

Code Blocks

Python — calling Claude for security research:

import anthropic

client = anthropic.Anthropic()

response = client.messages.create(
    model="claude-opus-4-6",
    max_tokens=2048,
    system="You are a security research assistant. Be precise and technical.",
    messages=[
        {"role": "user", "content": "Explain heap spray exploitation in modern browsers."}
    ]
)

print(response.content[0].text)

Bash — quick external recon:

#!/usr/bin/env bash
TARGET="example.com"

# passive: enumerate subdomains, check which are alive
subfinder -d "$TARGET" -silent \
  | httpx -silent -status-code \
  | tee hosts.txt

# active: scan live hosts for common web ports
nmap -iL hosts.txt -sV -p 80,443,8080,8443 \
  --open -oN scan.txt

echo "[*] done. results in scan.txt"

YAML — model config:

model: claude-sonnet-4-6
temperature: 0
max_tokens: 4096
system_prompt: |
  You are a penetration testing assistant.
  Respond only with actionable, technical detail.
  No disclaimers.

JSON — API request skeleton:

{
  "model": "claude-sonnet-4-6",
  "system": "You are a CTF assistant.",
  "messages": [
    { "role": "user", "content": "Decompile and explain this binary snippet." }
  ],
  "max_tokens": 2048
}

Assembly — x86-64 "Hello, world!" via Win32 console API:

; nasm -f win64 hello.asm -o hello.obj
; link hello.obj /subsystem:console /entry:main /out:hello.exe kernel32.lib

    global  main
    extern  GetStdHandle
    extern  WriteConsoleA
    extern  ExitProcess

section .data
    msg     db  "Hello, world!", 13, 10
    msglen  equ $ - msg

section .bss
    written resq 1

section .text
main:
    sub     rsp, 40             ; 32-byte shadow space + 8-byte fifth-arg slot
    mov     rcx, -11            ; STD_OUTPUT_HANDLE
    call    GetStdHandle

    mov     rcx, rax            ; hConsoleOutput
    lea     rdx, [rel msg]      ; lpBuffer
    mov     r8d, msglen         ; nNumberOfCharsToWrite
    lea     r9,  [rel written]  ; lpNumberOfCharsWritten
    mov     qword [rsp+32], 0   ; lpReserved = NULL  (5th arg, on stack)
    call    WriteConsoleA

    xor     ecx, ecx            ; exit code 0
    call    ExitProcess

Blockquotes

A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.

— Robert Heinlein, author of Starship Troopers

Squarequote

You don't try. That's very important: not to try, either for Cadillacs, creation or immortality. You wait, and if nothing happens, you wait some more.

— Charles Bukowski, author

Linequote

Simplicity is the ultimate sophistication.

Unitquote

(it's) better (to be) safe than sorry

Lists

LLM-assisted tasks for fun and profit:

Summarizing CVEs and PoC code
Explaining disassembly and decompiled output
Implementing and iterating on individual features using clear and concise acceptance criteria
Writing blog articles. Except this one :^)