๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
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์ „์ฒด ๊ธ€726

๊ฐœ์ธ์ •๋ณด๋ณดํ˜ธ๋ฒ• - ๊ฐœ์ธ์ •๋ณดํŒŒ์ผ ๊ฒ€์ƒ‰ ์ œ32์กฐ(๊ฐœ์ธ์ •๋ณดํŒŒ์ผ์˜ ๋“ฑ๋ก ๋ฐ ๊ณต๊ฐœ) โ‘  ๊ณต๊ณต๊ธฐ๊ด€์˜ ์žฅ์ด ๊ฐœ์ธ์ •๋ณดํŒŒ์ผ์„ ์šด์šฉํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” ๋‹ค์Œ ๊ฐ ํ˜ธ์˜ ์‚ฌํ•ญ์„ ๋ณดํ˜ธ์œ„์›ํšŒ์— ๋“ฑ๋กํ•˜์—ฌ์•ผ ํ•œ๋‹ค. ์›ํ•˜๋Š” (๊ณต๊ณต)๊ธฐ๊ด€์ด ์–ด๋–ค ๊ฐœ์ธ์ •๋ณด๋ฅผ ์–ด๋– ํ•œ ๋ชฉ์ ์œผ๋กœ ์ˆ˜์ง‘ ๋ฐ ์ฒ˜๋ฆฌํ•˜๋Š”์ง€ ๊ฐœ์ธ์ •๋ณด์œ„์›ํšŒ๊ฐ€ ์ œ๊ณตํ•˜๋Š” ๊ฐœ์ธ์ •๋ณด ํฌํ„ธ์—์„œ ํ™•์ธ์ด ๊ฐ€๋Šฅ https://www.privacy.go.kr/front/wcp/dcl/per/personalInfoFileSrhList.do#none ๊ฐœ์ธ์ •๋ณด ํฌํ„ธ๊ฐœ์ธ์ •๋ณด๋ณดํ˜ธ์œ„์›ํšŒ๋Š” ๊ฐœ์ธ์ •๋ณด์˜ ์ฒ˜๋ฆฌ์™€ ๋ณดํ˜ธ์— ๊ด€ํ•œ ์‚ฌ์•ˆ์„ ๋…๋ฆฝ์ ์œผ๋กœ ์ˆ˜ํ–‰ํ•˜๊ธฐ ์œ„ํ•ด ์„ค๋ฆฝ๋œ ํ•ฉ์˜์ œ ์ค‘์•™ํ–‰์ •๊ธฐ๊ด€์ž…๋‹ˆ๋‹ค.www.privacy.go.kr 2025. 7. 9.
Node.js - WSL nodejs ๋ฒ„์ „ ์—…๊ทธ๋ ˆ์ด๋“œ nodejs ์‚ญ์ œsudo apt-get remove -y nodejssudo rm -rf /usr/local/lib/node_modules nodejs ์„ค์น˜curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash -sudo apt-get install -y nodejs 2025. 7. 9.
๋ฆฌ๋ˆ…์Šค - ๋ ˆ๋“œํ–‡ ๊ณ„์ • ๋ถ„์‹ค ์ดˆ๊ธฐํ™” 1. GRUB ํ™”๋ฉด์—์„œ kernel ์„ ํƒํ•˜๊ณ  'e' ํ‚ค๋ฅผ ๋ˆŒ๋Ÿฌ edit ์ง„์ž… 2. grub edit ๋งจ ๋’ค์— single ๋˜๋Š” init=/bin/bash ์ž…๋ ฅ ํ›„ ์—”ํ„ฐ ๋ˆ„๋ฅด๊ณ , b๋ฅผ ๋ˆŒ๋Ÿฌ ์žฌ๋ถ€ํŒ… (์ดํ›„ ๋ถ€ํŠธ ํ›„ ์‰˜ ์ง„์ž… ์‹œ) 3. mount -o remount,rw / 4. passwd root 5. sync 6. reboot -f 2025. 7. 7.
ํ•˜๋“œ์›จ์–ด - ์•„์ดํฐ ๋ถ€ํ’ˆ ๊ต์ฒด ๊ฐ€์ด๋“œ ๋ฐ ํŒ https://truthcnp.wixsite.com/jinri ํ™ˆ | ์ฃผ์‹ํšŒ์‚ฌ ์ง„๋ฆฌ๋น ๋ฅธ ์‹œ์ผ๋‚ด์— ๋‹ต๋ณ€ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.truthcnp.wixsite.com https://ko.ifixit.com/Device/iPhone Apple iPhone ์ˆ˜๋ฆฌ ๋„์›€๋ง: ์Šค์Šค๋กœ ์ˆ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ณด์„ธ์š”.๋ฌด๋ฃŒ ์ˆ˜๋ฆฌ ์•ˆ๋‚ด์„œ, ๊ณ ํ’ˆ์งˆ ๊ต์ฒด ๋ถ€ํ’ˆ ๋ฐ ๋„๊ตฌ๋กœ iPhone์„ ์ง์ ‘ ์ˆ˜๋ฆฌํ•˜๋Š” ๋ฐ ํ•„์š”ํ•œ ๋ชจ๋“  ๊ฒƒ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค! ์ตœ์‹  ์•„์ดํฐ 16 ๋ผ์ธ์—…๋ถ€ํ„ฐ 2007๋…„์— ์ถœ์‹œ๋œ ์˜ค๋ฆฌ์ง€๋„ ์•„์ดํฐ 2G๊นŒ์ง€ iFixit์€ ๋ชจ๋“  ์•„์ดํฐ์—ko.ifixit.com ๋ถ€ํ’ˆ ๊ต์ฒด์‹œ ์ฃผ์˜์‚ฌํ•ญ ๋ถ€ํ’ˆ(๋””์Šคํ”Œ๋ ˆ์ด, ๋ฐฐํ„ฐ๋ฆฌ, ์นด๋ฉ”๋ผ, ํ™ˆ๋ฒ„ํŠผ ๋“ฑ) ๊ต์ฒด ์ „์— ๋ฐ˜๋“œ์‹œ ๋ฐฐํ„ฐ๋ฆฌ์˜ ์ปค๋„ฅํ„ฐ๋ฅผ ๋จผ์ € ํ•ด์ œํ•˜๊ณ  ์ง„ํ–‰ํ•ด์•ผ ํ•จ์ž˜๋ชป๋  ๊ฒฝ์šฐ ์‡ผํŠธ(๋‹จ๋ฝ)์ด ์ƒ๊ฒจ ๋ฉ”์ธ๋ณด๋“œ๊ฐ€ ๋ง๊ฐ€์ง€๋Š” ๊ฒฝ์šฐ๊ฐ€.. 2025. 6. 6.
์•…์„ฑ์ฝ”๋“œ ๋ถ„์„ - BPFDoor.c ์ฃผ์š” ์ฝ”๋“œ ๋ถ„์„ ๋ฐ BPFDoor ์ง„๋‹จ ์Šคํฌ๋ฆฝํŠธ ์ œ์ž‘ BPFDoor ์˜คํ”ˆ ์†Œ์Šค ์ฝ”๋“œ https://github.com/gwillgues/BPFDoor/blob/main/bpfdoor.c BPFDoor/bpfdoor.c at main · gwillgues/BPFDoorBPFDoor Source Code. Originally found from Chinese Threat Actor Red Menshen - gwillgues/BPFDoorgithub.com RAW ์†Œ์ผ“ ํ†ต์‹ [461] struct sock_fprog filter; struct sock_filter bpf_code[] = { { 0x28, 0, 0, 0x0000000c }, { 0x15, 0, 27, 0x00000800 }, .. 2025. 5. 13.
์‚ฌํšŒ๊ณตํ•™ - PDF + HTA ์•…์„ฑ ํŒŒ์ผ payload.hta /copy ๋ช…๋ น์–ด๋กœ ๋ณ‘ํ•ฉ (Windows CMD) Windows์˜ copy /b ๋ช…๋ น์–ด๋ฅผ ์‚ฌ์šฉํ•ด ์ด์ง„(Binary) ๋ฐฉ์‹์œผ๋กœ ํŒŒ์ผ ๊ฒฐํ•ฉcopy /b doc.pdf + payload.hta final.pdf ์‹คํ–‰ ์œ ๋„ ๋ฐฉ์‹ ํ™•์žฅ์ž ์ˆจ๊น€ + Windows ์‹คํ–‰ ์šฐ์„ ์ˆœ์œ„๋ฅผ ์ด์šฉํŒŒ์ผ ์ด๋ฆ„์„ ์˜ˆ: document.pdf.hta ๋˜๋Š” document.pdf[space].hta๋กœ ๋งŒ๋“ค๊ณ ํ™•์žฅ์ž ์ˆจ๊ธฐ๊ธฐ๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ์ž ๋ˆˆ์—๋Š” .pdf์ฒ˜๋Ÿผ ๋ณด์ž„์‚ฌ์šฉ์ž๊ฐ€ ํด๋ฆญํ•˜๋ฉด mshta.exe๊ฐ€ ์‹คํ–‰๋จ 2025. 5. 6.
Hack The Box - Busqueda Writeup SynopsisBusqueda is an Easy Difficulty Linux machineinvolves exploiting a command injection vulnerability present in a python module.By leveraging this vulnerability(์ด ์ทจ์•ฝ์ ์„ ์ด์šฉํ•˜์—ฌ), we gain user-level access to the machine.To escalate privileges to root, we discover credentials within a Git config file, allowing us to log into a local Gitea service.Additionally(์ถ”๊ฐ€์ ์œผ๋กœ), we uncover that a system che.. 2025. 4. 16.
๋””์ง€ํ„ธ ํฌ๋ Œ์‹ - ์œˆ๋„์šฐ ๋ฉ”๋ชจ์žฅ ์ž„์‹œ ํŒŒ์ผ ๊ด€๋ จ ์˜์ƒ ์Šคํฌ๋žฉ https://vt.tiktok.com/ZSr9sLSqm/ TikTok · TCMSecurity ๋‹˜์ข‹์•„์š” 2593๊ฐœ, ๋Œ“๊ธ€ 99๊ฐœ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. "Is Notepad really safe for sensitive information? Think again! Even if you don’t save it, Notepad can still reveal more than you’d expect. Watch Andrew Prince demonstrate how this simple tool can becomewww.tiktok.com 2025. 4. 13.
ํŒŒ์ด์ฌ - ๐Ÿš€ requests ์†๋„ ์˜ฌ๋ฆฌ๋Š” ๋ฐฉ๋ฒ• (Session) ์„ธ์…˜(Session) ์‚ฌ์šฉํ•˜๊ธฐ๋งค ์š”์ฒญ๋งˆ๋‹ค ์ƒˆ ์—ฐ๊ฒฐ์„ ๋งŒ๋“ค๋ฉด ๋А๋ฆฝ๋‹ˆ๋‹ค. requests.Session()์„ ์“ฐ๋ฉด ์ปค๋„ฅ์…˜ ํ’€๋ง์œผ๋กœ ํ›จ์”ฌ ๋นจ๋ผ์ง‘๋‹ˆ๋‹ค.import requestssession = requests.Session()for url in urls: r = session.get(url) ์„ฑ๋Šฅ ์ฐจ์ด ๊ฝค ๋‚˜์š”. ๊ผญ ์„ธ์…˜ ์“ฐ๊ธฐ! ์ขŒ: requests๋งŒ ์“ฐ๊ธฐ / ์šฐ: session ์“ฐ๊ธฐ 2025. 4. 10.
์•”ํ˜ธ - SSL/TLS hand shake ์ž‘๋™ ์›๋ฆฌ ํŒŒ์ด์ฌ ๊ตฌํ˜„ ์•ˆ์ „ํ•œ ์„ธ์…˜์ด ์ด๋ฃจ์–ด์ง€๊ธฐ ์œ„ํ•ด์„œ ๋น„๋Œ€์นญ ํ‚ค๋ฅผ ์ด์šฉํ•œ ํ‚ค ๊ตํ™˜์„ ์ด๋ฃจ์–ด์ง€๋Š” ๊ณผ์ •์ธ SSL hand shake๋ฅผ ํŒŒ์ด์ฌ์œผ๋กœ ๊ฐ„๋‹จํžˆ ๊ตฌํ˜„ํ•ด ๋ณด์•˜๋‹ค. ์œ ํšจํ•œ ID์ธ์ง€ ํ™•์ธ, RSA ํ‚ค๊ตํ™˜, ์„ธ์…˜ ํ‚ค(AES) ๊ตํ™˜์ด ์กด์žฌ๋กœ ํ•œ๋‹ค. simple-ssl.py# simple-ssl.py# ๊ฐ„๋‹จํ•œ SSL ํ”„๋กœํ† ์ฝœ ๊ตฌํ˜„import rsa, randomfrom Crypto.Cipher import AESfrom Crypto.Random import get_random_bytesclass Client: def __init__(self): self.CertList = [] # ํด๋ผ์ด์–ธํŠธ๊ฐ€ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์ธ์ฆ์„œ ๋ฆฌ์ŠคํŠธ(์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” CA์˜ ์ธ์ฆ์„œ) self.CertList.append("www.va.. 2025. 4. 10.
ํŒŒ์ด์ฌ - ์ธํ„ฐํ”„๋ฆฌํ„ฐ์—์„œ ์ปดํŒŒ์ผ๋กœ ์†๋„ ์„ฑ๋Šฅ ํ–ฅ์ƒ(Nuitka) ์„ค๋ช…: Nuitka๋Š” Python ์ฝ”๋“œ๋ฅผ C/C++ ์ฝ”๋“œ๋กœ ๋ณ€ํ™˜ํ•ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ์„ ์ƒ์„ฑํ•˜๋Š” Python ์ปดํŒŒ์ผ๋Ÿฌ์ž…๋‹ˆ๋‹ค. Python ์ธํ„ฐํ”„๋ฆฌํ„ฐ ๋ฐฉ์‹์˜ ํ•œ๊ณ„๋ฅผ ๋ณด์™„ํ•˜๊ณ , ์‹คํ–‰ ์†๋„๋ฅผ ํ–ฅ์ƒ์‹œํ‚ค๋ฉฐ, ์ฝ”๋“œ๋ฅผ ์ตœ์ ํ™”ํ•˜๋Š” ๋ฐ ๋„์›€์„ ์ค๋‹ˆ๋‹ค. ๋˜ํ•œ, Python ์ฝ”๋“œ๋ฅผ ๋ฐฐํฌ ๊ฐ€๋Šฅํ•œ ํ˜•ํƒœ๋กœ ํŒจํ‚ค์ง•ํ•  ์ˆ˜ ์žˆ์–ด ์†Œ์Šค ์ฝ”๋“œ ๋ณดํ˜ธ ๋ฐ ์˜์กด์„ฑ ๊ด€๋ฆฌ๋ฅผ ๊ฐ„ํŽธํ•˜๊ฒŒ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.  ํŒŒ์ด์ฌ์€ ์ธํ„ฐํ”„๋ฆฌํ„ฐ๋กœ ์ฒ˜๋ฆฌ๋ฅผ ํ•˜๋‹ค ๋ณด๋‹ˆ ๋‹ค๋ฅธ ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ๋“ค์— ๋น„ํ•ด ์†๋„๋ฉด์—์„œ๋Š” ๋ถ€์กฑํ•  ์ˆ˜ ์žˆ๋‹ค. ์†๋„๊ฐ€ ๋ถ€์กฑํ•˜๋ฉด ์ฒ˜๋ฆฌ๋Ÿ‰๋„ ๋’ค๋–จ์–ด์ง€๊ณ  ๊ฒฐ๊ตญ ์„ฑ๋Šฅ์ด ๋’ค์ณ์ง€๊ฒŒ ๋œ๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด Nuitka๋ฅผ ์‚ฌ์šฉํ•ด ํŒŒ์ด์ฌ ํŒŒ์ผ์„ ์ปดํŒŒ์ผํ•˜์—ฌ ์‹คํ–‰ ์†๋„๋ฅผ ํ–ฅ์ƒ ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋‹ค. ๋Œ€์‹  ์ปดํŒŒ์ผ ํ•˜๋Š”๋ฐ ์ปดํ“จํ„ฐ ์„ฑ๋Šฅ์— ๋”ฐ๋ผ์„œ ์‹œ๊ฐ„์ด ์˜ค๋ž˜ ์†Œ์š”ํ•  ์ˆ˜ ์žˆ๋‹ค.  ๋˜ํ•œ .. 2025. 4. 10.
์•„๋งˆ์ถ”์–ด ๋ผ๋””์˜ค - ์šฉ์–ด ์ •๋ฆฌ [์šฉ์–ด ์ •๋ฆฌ] AZ(Azimuth, ๋ฐฉ์œ„๊ฐ): ๋ถ์ชฝ(0°)๋ถ€ํ„ฐ ์‹œ๊ณ„๋ฐฉํ–ฅ์œผ๋กœ ์ธก์ •ํ•œ ์ˆ˜ํ‰๊ฐ (0-360°) EL(Elevation, ๊ณ ๋„๊ฐ): ์ง€ํ‰์„ (0°)๋ถ€ํ„ฐ ํ•˜๋Š˜์„ ํ–ฅํ•ด ์ธก์ •ํ•œ ์ˆ˜์ง๊ฐ (0-90°) *EL์ด 90°์— ๊ฐ€๊นŒ์šธ ์ˆ˜๋ก ๊ด€์ฐฐ ๋ฐ ํ†ต์‹  ํ•˜๊ธฐ ์ข‹์€ ์กฐ๊ฑด(๋‹จ ์‚ฐ๊ณผ ๊ฑด๋ฌผ ๊ฐ™์€ ์ง€ํ˜•๋ฌผ์— ๋ฐฉํ•ด๋˜์ง€ ์•Š๋Š” ๋‹ค๋Š” ์ „์ œ) *Range(ํ˜น์€ Distance)๊ฐ€ ์ ์€ ๊ฒƒ๋„ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ์ข‹์€ ์กฐ๊ฑด AOS(Acquisition Of Signal): ์‹ ํ˜ธ ์‹œ์ž‘์  LOS(Loss Of Signal): ์‹ ํ˜ธ ์ƒ์‹ค์  ์ด๋ฏธ์ง€(SSTV)๋ฅผ ๋‹ค ์ˆ˜์‹  ๋ฐ›๊ธฐ ์œ„ํ•ด์„œ๋Š” Duration๋„ ์ค‘์š”ํ•œ ๊ฒƒ ๊ฐ™๋‹ค 2025. 4. 10.
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