๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋ณด์•ˆ77

Webgoat ์‹ค์Šต(2) ๋ณดํ˜ธ๋˜์–ด ์žˆ๋Š” ๊ธ€ ์ž…๋‹ˆ๋‹ค. 2021. 5. 17.
Webgoat ์‹ค์Šต(1) ๋ณดํ˜ธ๋˜์–ด ์žˆ๋Š” ๊ธ€ ์ž…๋‹ˆ๋‹ค. 2021. 5. 7.
[ctf-d] woodstock-1 ์ด๋ฒˆ ๋ฌธ์ œ๋Š” ํ™•์žฅ์ž๊ฐ€ pcpang์ธ ๊ฒƒ์„ ํ†ตํ•ด์„œ ์™€์ด์–ด์ƒคํฌ๋ฅผ ์ด์šฉํ•ด์•ผ๊ฒ ๋‹ค๋Š” ์ƒ๊ฐ์ด ๋“ค์—ˆ๋‹ค ๊ทธ๋ฆฌ๊ณ  ํ‚ค ํฌ๋งท์€ BITSCTF{(key)} ์ด๋‹ค * ์™€์ด์–ด์ƒคํฌ ๋‹ค์šด๋กœ๋“œ ํ™ˆํŽ˜์ด์ง€ www.wireshark.org/download.html Wireshark · Download Riverbed is Wireshark's primary sponsor and provides our funding. They also make great products that fully integrate with Wireshark. I have a lot of traffic... ANSWER: SteelCentral™ AppResponse 11 • Full stack analysis – from packets to pages • Ric .. 2020. 12. 7.
[ctf-d] ์ €๋Š” ์ด๋ฏธ์ง€์—์„œ ์–ด๋–ค ๊ฒƒ์„... ์ด๋ฒˆ ๋ฌธ์ œ๋Š” ์ด๋ฏธ์ง€์— ๋ญ”๊ฐ€ ๋‹ต์ด ์žˆ์„ ๊ฒƒ ๊ฐ™์€ ๋ฌธ์ œ์ด๋‹ค. logo.gif ํŒŒ์ผ์„ ๋‹ค์šด๋ฐ›์•˜๋‹ค ๊ทผ๋ฐ gif ํŒŒ์ผ์€ ๋ณดํ†ต ์›€์งค์šฉ(?)์ด๋ผ ์›€์ง์—ฌ์•ผ ํ•˜๋Š”๋ฐ ์•„๋ž˜ ํ™”๋ฉด์—์„œ ์•„๋ฌด ๊ฒƒ๋„ ๋ฐ”๋€Œ์ง€ ์•Š์•˜๋‹ค ๊ทธ๋ž˜์„œ ๋‹ค๋ฅธ ์—ฐ๊ฒฐ ํ”„๋กœ๊ทธ๋žจ(๊ทธ๋ฆผํŒ)์„ ์ด์šฉํ•ด ์—ด์—ˆ๋Š”๋ฐ ๋ฐ”๋กœ ๋‹ต์ด ๋‚˜์™€๋ฒ„๋ ธ๋‹ค... ์ผ๋‹จ ํ™•์‹คํžˆ ๋งž๋Š”์ง€๋Š” ๋ชจ๋ฅด๊ฒ ์–ด์„œ boy_this_goes_by_so_fast ๋ฅผ ์ž…๋ ฅํ•œ ํ›„ ์ œ์ถœํ–ˆ๋”๋‹ˆ ์ •๋‹ต์ด๋ผ๋Š” ํ‘œ์‹œ๊ฐ€ ๋‚˜์™”๋‹ค ์ด๋ ‡๊ฒŒ ํ‘ธ๋Š” ๋ฌธ์ œ๊ฐ€ ์•„๋‹Œ ๊ฒƒ ๊ฐ™์€๋ฐ... ์ผ๋‹จ ํ’€๊ธด ํ’€์—ˆ๋‹ค.. 2020. 12. 7.
[ctf-d] ์‚ฌ์ง„ ์†์—์„œ ๋นจ๊ฐ„์ƒ‰์ด... ์ด๋ฒˆ ๋ฌธ์ œ๋Š” png ํŒŒ์ผ์„ ์ด์šฉํ•ด์„œ ํ‘ธ๋Š” ๋ฌธ์ œ์ด๋‹ค ๋นจ๊ฐ„์ƒ‰์„ ์ค‘์š”ํ•˜๊ฒŒ ๋ด์•ผ ํ•  ๊ฒƒ ๊ฐ™๋‹ค incoherency.co.uk/image-steganography/#unhide Image Steganography Each channel (red, green, blue) of each pixel in an image is represented by an 8-bit value. To hide the secret image inside the cover image, we replace the n least significant bits of the cover pixel value with the same number of most significant bits from incoherency.co.uk stegsolve.. 2020. 12. 4.
[ctf-d] ์ €ํฌ๋Š” ์ด ๋ฌธ์„œ๋ฅผ ์ฐพ์•˜์Šต๋‹ˆ๋‹ค. ์ด๋ฒˆ ๋ฌธ์ œ๋Š” docx ํŒŒ์ผ ์•ˆ์— ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์•„์•ผ ํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค. ์ผ๋‹จ file.docx๋ฅผ ๋‹ค์šด๋ฐ›๊ณ  ์—ด์–ด๋ณด๋‹ˆ file์˜ ์ผ๋ถ€ ์ฝ˜ํ…์ธ ๋ฅผ ์ฝ์„ ์ˆ˜ ์—†๋‹ค๋ผ๋Š” ๊ฒฝ๊ณ ์ฐฝ์ด ๋‚˜์™”๊ณ  ์˜ˆ(Y)๋ฅผ ๋ˆŒ๋ €๋”๋‹ˆ This is not the flag you're looking for. ์ด๋ผ๋Š” ๋ฌธ๊ตฌ๊ฐ€ ๋‚˜์™”๋‹ค ์œ„ ๋ฐฉ๋ฒ•์œผ๋กœ ๋‹ต์ด ๋‚˜์˜ค์ง€ ์•Š์ž ํ—ฅ์Šค ์—๋””ํ„ฐ๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค ๊ทธ๋ฆฌ๊ณ  ์ญ‰ ์Šคํฌ๋กคํ•ด๋ณด๋‹ˆ ์Šคํฌ๋กค ํ•œ ๋ถ€๋ถ„์€ this_would_be_the_flag_you_are_looking_for ์ด๋ผ๋Š” ๋ฌธ์ž์—ด์ด๋‹ค. ๋”ฐ๋ผ์„œ ์ด ๋ฌธ์ž์—ด์„ ์ž…๋ ฅํ•˜๋‹ˆ ์ •๋‹ต์ด๋ผ๊ณ  ๋‚˜์™”๋‹ค! 2020. 12. 2.