RE:charremove.c

// Main // Prologo 0x5555523d <+0>: push rbp 0x5555523e <+1>: mov rbp,rsp 0x55555241 <+4>: sub rsp,0x30 // crea spazio nello stack per le variabili locali 0x55555245 <+8>: mov DWORD PTR [rbp-0x24],edi 0x55555248 <+11>: mov QWORD PTR [rbp-0x30],rsi //
Read More

RE:maxarray.c

// primi 4 byte indirizzo 0x00005555; // prologo : 55555145 <+0>: push rbp 55555146 <+1>: mov rbp,rsp 55555149 <+4>: sub rsp,0x50 // qui crea lo spazio anche per l'array di interi // non ho ben copreso ma potrebbe essere che mette in queste due locazioni, argc e *argv[],
Read More

RE:Radare2 #001

r2 ./license_1aaa, analisi automatica del binario[0x004005c5]> aaa[x] Analyze all flags starting with sym. and entry0 (aa)[x] Analyze function calls (aac)[x] Analyze len bytes of instructions for references (aar)[x] Check for objc references[x] Check for vtables[x] Type matching analysis for all
Read More

RE:liveoverflow #005

next [count]// Continue to the next source line in the current (innermost) stack frame. This is similar to step, but function calls that appear within the line of code are executed without stopping. Execution stops when control reaches a different line of code at the original stack level that was
Read More

RE:Code - substring.c

substring.c===========#include <stdio.h> // librerie standard input/output// il main ti fa inserire una stringa, poi una posizione from, primo carattere? nesimo carattere? e un numero n, cioè quanti caratteri andare a considerare per la sottostringa partendo dal from;int substring(char *source,
Read More