| author | cu |
| Sun, 15 Oct 2017 21:23:16 +0100 | |
| changeset 550 | 58c3536c5a08 |
| parent 222 | 81f9f0eb1180 |
| permissions | -rw-r--r-- |
|
222
81f9f0eb1180
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
200
diff
changeset
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1 |
char shellcode[] = ... |
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200
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
2 |
char large_string[128]; |
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
3 |
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
4 |
void main() {
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
5 |
char buffer[96]; |
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
6 |
int i; |
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
7 |
long *long_ptr = (long *) large_string; |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
8 |
|
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
9 |
for (i = 0; i < 32; i++) |
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17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
10 |
*(long_ptr + i) = (int) buffer; |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
11 |
|
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
12 |
for (i = 0; i < strlen(shellcode); i++) |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
13 |
large_string[i] = shellcode[i]; |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
14 |
|
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
15 |
strcpy(buffer,large_string); |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
16 |
} |