Sploitus

Exploit for Log-4j-scanner

kitploit ยท 2026-08-27

Exploit Code

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## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-ANANYA-0306-LOG-4J-SCANNER
# log4j-scan

#### ์ทจ์•ฝํ•œ log4j ํ˜ธ์ŠคํŠธ๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•œ ์™„์ „ ์ž๋™ํ™”๋œ ์ •ํ™•ํ•˜๊ณ  ๊ด‘๋ฒ”์œ„ํ•œ ์Šค์บ๋„ˆ

![](https://assets.kitploit.com/production/public/readmes/51449/6382611e14282fa95a3ec3aed251bd8a4b31ea25ff261b34a5257673939082b4/c93e76090f0b372ff2b1c24e83f37b38885c19a849883d189478bb6c211255dd-display-v1.webp)

# ๊ธฐ๋Šฅ

  * URL ๋ชฉ๋ก ์ง€์›.
  * 60๊ฐœ ์ด์ƒ์˜ HTTP ์š”์ฒญ ํ—ค๋” ํผ์ง• (๊ธฐ์กด ๋„๊ตฌ๋“ค์ด ๋‹ค๋ฃจ๋˜ 3-4๊ฐœ ํ—ค๋”์— ๊ตญํ•œ๋˜์ง€ ์•Š์Œ).
  * HTTP POST ๋ฐ์ดํ„ฐ ํŒŒ๋ผ๋ฏธํ„ฐ ํผ์ง•.
  * JSON ๋ฐ์ดํ„ฐ ํŒŒ๋ผ๋ฏธํ„ฐ ํผ์ง•.
  * ์ทจ์•ฝ์  ๋ฐœ๊ฒฌ ๋ฐ ๊ฒ€์ฆ์„ ์œ„ํ•œ DNS ์ฝœ๋ฐฑ ์ง€์›.
  * WAF ์šฐํšŒ ํŽ˜์ด๋กœ๋“œ.



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# ๐Ÿšจ ๊ณต์ง€

Log4J v2.15.0์—๋Š” ์™„์ „ํ•œ RCE๋ฅผ ํ—ˆ์šฉํ•˜๋Š” ํŒจ์น˜ ์šฐํšŒ๊ฐ€ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. FullHunt๋Š” CVE-2021-45046์„ ์•ˆ์ •์ ์œผ๋กœ ํƒ์ง€ํ•˜๊ธฐ ์œ„ํ•ด log4j-scan์— ์ปค๋ฎค๋‹ˆํ‹ฐ ์ง€์›์„ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค. ๋Œ€๊ทœ๋ชจ ์ธํ”„๋ผ๋ฅผ ๋ฐœ๊ฒฌํ•˜๊ณ  ์Šค์บ”ํ•˜๋Š” ๋ฐ ์–ด๋ ค์›€์ด ์žˆ๊ฑฐ๋‚˜ Log4J ์œ„ํ˜‘์— ๋Œ€์‘ํ•˜๋Š” ๋ฐ ์–ด๋ ค์›€์ด ์žˆ๋‹ค๋ฉด (some-email@example.com)๋กœ ์—ฐ๋ฝํ•ด ์ฃผ์„ธ์š”.

![](https://assets.kitploit.com/production/public/readmes/51449/43cdbc76fd944d29cace11fa9f8ab8bd923e4f552088fb9e0b9ddb585c9a9658/272405c464c2f2adc7040d6ab43572808a52c4eaf28958befd84322e4458032e-display-v1.webp)

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# ์„ค๋ช…

์šฐ๋ฆฌ๋Š” Log4J RCE(CVE-2021-44228)๊ฐ€ ๊ณต๊ฐœ๋œ ์ดํ›„๋กœ ์ด๋ฅผ ์—ฐ๊ตฌํ•ด ์™”์œผ๋ฉฐ, ๊ณ ๊ฐ๋“ค๊ณผ ํ•จ๊ป˜ ์ด ์ทจ์•ฝ์ ์„ ์˜ˆ๋ฐฉํ•˜๋Š” ๋ฐ ํž˜์จ ์™”์Šต๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” Log4J RCE CVE-2021-44228 ์ทจ์•ฝ์ ์„ ๋ฐœ๊ฒฌํ•˜๊ณ  ํผ์ง•ํ•˜๊ธฐ ์œ„ํ•œ ์˜คํ”ˆ ํƒ์ง€ ๋ฐ ์Šค์บ๋‹ ๋„๊ตฌ๋ฅผ ์˜คํ”ˆ์†Œ์Šค๋กœ ๊ณต๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ด ๋„๊ตฌ๋Š” ๋ณด์•ˆ ํŒ€์ด ์ž์‚ฌ ์ธํ”„๋ผ์—์„œ Log4J RCE๋ฅผ ์Šค์บ”ํ•˜๊ณ , ์กฐ์ง ํ™˜๊ฒฝ์—์„œ ์ฝ”๋“œ ์‹คํ–‰์œผ๋กœ ์ด์–ด์งˆ ์ˆ˜ ์žˆ๋Š” WAF ์šฐํšŒ๋ฅผ ํ…Œ์ŠคํŠธํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.