ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

War Games/ํ•ด์ปค์Šค์ฟจ LOB

[ํ•ด์ปค์Šค์ฟจ LOB] Level3: cobolt >> goblin

Level 3. Cobolt >> Goblin Theme: Basic BufferOverFlow (w/ stdin) ๋กœ๊ทธ์ธํ•ฉ์‹œ๋‹ค id: cobolt pw: hacking exposed ls -l๋กœ ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ํ™•์ธํ•˜๋ฉด ์—ญ์‹œ๋‚˜ [cobolt@localhost cobolt]$ ls -l total 16 -rwsr-sr-x 1 goblin goblin 11824 Feb 26 2010 goblin -rw-r--r-- 1 root root 193 Mar 29 2010 goblin.c [cobolt@localhost cobolt]$ nl goblin.c 1 /* 2 The Lord of the BOF : The Fellowship of the BOF 3 - goblin 4 - small buffer + stdin 5..

2019.09.24 ๊ฒŒ์‹œ๋จ

 ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

War Games/ํ•ด์ปค์Šค์ฟจ LOB

[ํ•ด์ปค์Šค์ฟจ LOB] Level2: gremlin >> cobolt

Level 2. Gremlin >> Cobolt Theme: Basic BufferOverFlow (smaller buffer) ๋“ค์–ด๊ฐ‘์‹œ๋‹ค. id: gremlin pw: hello bof world ๊ธฐ๋ณธ bash2์ž…๋ ฅ ํ›„, ls -l๋กœ ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ํ™•์ธํ•ด์ฃผ๋ฉด [gremlin@localhost gremlin]$ bash2 [gremlin@localhost gremlin]$ ls -l total 20 -rwsr-sr-x 1 cobolt cobolt 11970 Feb 26 2010 cobolt -rw-r--r-- 1 gremlin gremlin 291 Mar 29 2010 cobolt.c cobolt.cํŒŒ์ผ์„ ์—ด์–ด๋ณด๋ฉด [gremlin@localhost gremlin]$ nl cobolt.c 1 /* 2 The ..

2019.09.24 ๊ฒŒ์‹œ๋จ