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This commit is contained in:
Andrea Fioraldi
2020-02-07 20:44:36 +01:00
parent 420b1aa859
commit aa2cb66ea2
8 changed files with 149 additions and 132 deletions
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55
examples/qemu_persistent_hook/read_into_rdi.c
View File

@ -2,35 +2,37 @@
#include <stdio.h>
#include <unistd.h>
#define g2h(x) ((void *)((unsigned long)(x) + guest_base))
#define h2g(x) ((uint64_t)(x) - guest_base)
#define g2h(x) ((void*)((unsigned long)(x) + guest_base))
#define h2g(x) ((uint64_t)(x)-guest_base)
enum {
R_EAX = 0,
R_ECX = 1,
R_EDX = 2,
R_EBX = 3,
R_ESP = 4,
R_EBP = 5,
R_ESI = 6,
R_EDI = 7,
R_R8 = 8,
R_R9 = 9,
R_R10 = 10,
R_R11 = 11,
R_R12 = 12,
R_R13 = 13,
R_R14 = 14,
R_R15 = 15,
R_AL = 0,
R_CL = 1,
R_DL = 2,
R_BL = 3,
R_AH = 4,
R_CH = 5,
R_DH = 6,
R_BH = 7,
R_EAX = 0,
R_ECX = 1,
R_EDX = 2,
R_EBX = 3,
R_ESP = 4,
R_EBP = 5,
R_ESI = 6,
R_EDI = 7,
R_R8 = 8,
R_R9 = 9,
R_R10 = 10,
R_R11 = 11,
R_R12 = 12,
R_R13 = 13,
R_R14 = 14,
R_R15 = 15,
R_AL = 0,
R_CL = 1,
R_DL = 2,
R_BL = 3,
R_AH = 4,
R_CH = 5,
R_DH = 6,
R_BH = 7,
};
void afl_persistent_hook(uint64_t* regs, uint64_t guest_base) {
@ -40,3 +42,4 @@ void afl_persistent_hook(uint64_t* regs, uint64_t guest_base) {
printf("readed %ld bytes\n", r);
}

12
examples/qemu_persistent_hook/test.c
View File

@ -6,16 +6,15 @@ int target_func(char *buf, int size) {
switch (buf[0]) {
case 1:
if (buf[1] == '\x44') {
puts("a");
}
if (buf[1] == '\x44') { puts("a"); }
break;
case 0xff:
if (buf[2] == '\xff') {
if (buf[1] == '\x44') {
puts("b");
}
if (buf[1] == '\x44') { puts("b"); }
}
break;
default: break;
@ -32,3 +31,4 @@ int main() {
target_func(data, 1024);
}