TECHx targetted Shellphish running YAN01_00016 in round 84.

---

Type 1 POV

eip:0x1f190532 - ebp:0x1d8a0316

---

The application exited with a segmentation fault

0x8048e4c: 0x8048e4c // esp: 0xbaaaaff8

---

Execution control corruption via return (return to: 0xbaaaaff8).

Tracing data from eip: 0x8048e4c tracing source of memory: 0xbaaaaff8 (value: 0x1f190532)

0x804956a : receive syscall (return)
0x804926b : mov bl,byte ptr [esi+ecx]
0x804926e : mov byte ptr [ebp-0x29],bl
0x8049271 : mov bl,byte ptr [ebp-0x29]
0x804927a : mov byte ptr [edx+ecx],bl
0x8048e4c: ret // address: 0xbaaaaff8 value: 0x1f190532

---

Negotiated general register: ebp:0x1d8a0316

Tracing data from eip: 0x8048e4c tracing source of register: ebp (value: 0x1d8a0316)

0x804956a : receive syscall (return)
0x804926b : mov bl,byte ptr [esi+ecx]
0x804926e : mov byte ptr [ebp-0x29],bl
0x8049271 : mov bl,byte ptr [ebp-0x29]
0x804927a : mov byte ptr [edx+ecx],bl
0x8048e4b : pop ebp
0x8048e4c: ret // address: ebp value: 0x1d8a0316