CodeJitsu targetted CSDS running CROMU_00094 in round 22.

---

Type 1 POV

eip:0x244004e4 - edx:0xe42266ee

---

Execution control corruption via return (return to: 0xbaaaaad8).

Tracing data from eip: 0x8048dcf tracing source of memory: 0xbaaaaad8 (value: 0xbaaaabe5)

0x804d18d : receive syscall (return)
0x804bff9 : mov dl,byte ptr [eax]
0x804bffb : mov byte ptr [ebp-0x12],dl
0x804c0f2 : mov al,byte ptr [ebp-0x12]
0x804c103 : mov byte ptr [ecx],al
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x804c587 : mov dl,byte ptr [eax]
0x804c597 : mov byte ptr [eax],dl
0x8048dcf: ret // address: 0xbaaaaad8 value: 0xbaaaabe5

---

Execution of memory occurred that was not part of the initial text sections or an executably allocated page.

Tracing data from eip: 0xbaaaabe5 tracing source of memory: 0xbaaaabe5 (value: 0x2266eeba)

0x804d18d : receive syscall (return)
0x804bff9 : mov dl,byte ptr [eax]
0x804bffb : mov byte ptr [ebp-0x12],dl
0x804c0f2 : mov al,byte ptr [ebp-0x12]
0x804c103 : mov byte ptr [ecx],al
0xbaaaabe5: mov edx,0xe42266ee // address: 0xbaaaabe5 value: 0x2266eeba

---

Negotiated general register: edx:0xe42266ee

Tracing data from eip: 0xbaaaabef tracing source of register: edx (value: 0xe42266ee)

0xbaaaabe5 : mov edx,0xe42266ee
0xbaaaabef: jmp ebx // address: edx value: 0xe42266ee