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intercept-sys_write's Introduction

Programa que usa ptrace para interceptar la syscall "sys_write" de un proceso hijo para modificar sus argumentos

EL proceso ejecuta:

execl("/bin/echo", "/bin/echo", "Hola,", "mundo!,", "prueba", "quantum", "prueba", NULL);

EL texto a remplazar y de remplazo se defineen #define TEXTO_A_REEMPLAZAR "prueba" y #define TEXTO_DE_REEMPLAZO "modificado"

Ejemplo

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