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https๊ธฐ๋ฐ˜์˜ ์‚ฌ์ดํŠธ์—์„œ http video, iframe ์‚ฌ์šฉํ•  ๋•Œ ๋‚˜ํƒ€๋‚˜๋Š” ์˜ค๋ฅ˜

์ œ๊ฐ€ https ๊ธฐ๋ฐ˜ ์›น์‚ฌ์ดํŠธ์—์„œ m3u8 ์˜์ƒ๋งํฌ๋ฅผ ๋ถˆ๋Ÿฌ์™€ ์žฌ์ƒ์‹œํ‚ค๊ธฐ ์œ„ํ•ด์„œ video.js ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‚ฌ์šฉํ–ˆ๋Š”๋ฐ์š”, ๋™์ ์œผ๋กœ ์›€์ง์ด์ง€ ์•Š์„ ๋•Œ๋Š” ์ •์ƒ์ž‘๋™ํ•˜์ง€๋งŒ, ๋น„๋™๊ธฐ์ ์œผ๋กœ ํŒ์—…์ฐฝ์ฒ˜๋Ÿผ ๊ป๋‹ค์ผฐ๋‹คํ•˜๋Š” ํ™”๋ฉด์—์„œ๋Š” ์žฌ์ƒ์ด ๋˜์ง€ ์•Š๋”๋ผ๊ตฌ์š”!! ๊ทธ๋ž˜์„œ ์ฒ˜์Œ์—๋Š” video๋ฅผ iframe์œผ๋กœ ๋ณ€๊ฒฝํ•ด์„œ, ๋”ฐ๋กœ /video ํŽ˜์ด์ง€๋ฅผ ๋งŒ๋“ค์–ด์„œ m3u8์˜์ƒ์„ ๋ถˆ๋Ÿฌ์™€ video๋กœ ๋ณด์—ฌ์ฃผ๊ณ  ๋ฉ”์ธํŽ˜์ด์ง€์—์„œ iframe์œผ๋กœ src์— /video๋ฅผ ๋„ฃ์–ด ์ถœ๋ ฅํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ทผ๋ฐ ์ด๋•Œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜... 1. ์˜์ƒ URL์ด http๋ผ์„œ block์ฒ˜๋ฆฌ ๋‹นํ•จ https ๊ธฐ๋ฐ˜์˜ ์‚ฌ์ดํŠธ์—์„œ iframe์—๋Š” ๋ฌด์กฐ๊ฑด https๋งŒ ๊ฐ€๋Šฅํ•˜๊ณ , http๋Š” ๋ถˆ๊ฐ€๋Šฅํ•œ ๊ฒƒ์„ ์•Œ์•˜์Šต๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์•„๋ž˜ ํ‹ฐ์Šคํ† ๋ฆฌ๋ฅผ ์ฐธ๊ณ ํ–ˆ์–ด์š”. https://d..

By domdomi ยท 2022. 9. 3.

Tools/Tools

[apk-mitm] APK ํŒŒ์ผ SSL/TLS pinning ์šฐํšŒ ๋ฐ ๊ธฐ๋Šฅ ์—†์• ๋Š” ๋ฐฉ๋ฒ•

์•„๋งˆ SSL/TLS(์ธ์ฆ์„œ) Pinning ๋ฐฉ์‹์€ Android 7 ๋ถ€ํ„ฐ ์•ˆ๋“œ๋กœ์ด๋“œ ๊ฐœ๋ฐœ์ž๋“ค์ด MITM(Man-in-the-middle) ๊ณต๊ฒฉ์„ ๋ง‰๊ธฐ ์œ„ํ•ด์„œ ๋งŒ๋“ค์—ˆ์„ ๊ฒ๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๋ณดํ†ต SSL/TLS Pinning ์šฐํšŒ๋ฅผ ํ•˜๋Š” ์ด์œ ๋Š” ๋ชจ๋ฐ”์ผ ์•ฑ์—์„œ Network Traffic Capture ๋„๊ตฌ๋‚˜ Proxy ๋„๊ตฌ์—์„œ SSL/TLS ๋ฅผ Strip ํ•˜๊ณ  HTTPS ํŠธ๋ž˜ํ”ฝ์„ ๋ณด๊ธฐ ์œ„ํ•ด์„œ ํ•  ๊ฒ๋‹ˆ๋‹ค. (์•„๋‹ˆ๋ฉด ๋ง๊ตฌ์š”... ์ผ๋‹จ ์ €๋Š” ๊ทธ๋ ‡์Šต๋‹ˆ๋‹ค.) ๊ทธ๋ฆฌ๊ณ  ์ผ๋ฐ˜์ ์œผ๋กœ ์ƒ๊ฐ๋‚˜๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ๋Š” Frida ๋ผ๋Š” ๋„๊ตฌ๋ฅผ ์ด์šฉํ•ด์„œ SSL/TLS pinning ํ•˜๋Š” ํด๋ž˜์Šค์ธ com.android.org.conscrypt.TrustManagerImpl ์˜ checkTrustedRecursive ๋ฅผ ์ฃผ๋กœ ํ›„ํ‚นํ•ด์„œ ์šฐํšŒํ•˜๊ณค ํ•  ๊ฒ๋‹ˆ..

By ์•Œ ์ˆ˜ ์—†๋Š” ์‚ฌ์šฉ์ž ยท 2022. 3. 18.
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