Shellphish targetted ForAllSecure running NRFIN_00052 in round 84.

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Type 1 POV

eip:0x8c3df511 - edx:0x990d059e

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Execution control corruption via call.

Tracing data from eip: 0x8048fab tracing source of register: ecx (value: 0x8c3df511)

0x804a9de : receive syscall (return)
0x8049368 : mov dl,byte ptr [eax+ecx]
0x8049371 : mov byte ptr [eax+ecx],dl
0x8048f99 : mov ecx,dword ptr [0x8060e90]
0x8048fab: call ecx // address: ecx value: 0x8c3df511

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Negotiated general register: edx:0x990d059e

Tracing data from eip: 0x8048fab tracing source of register: edx (value: 0x990d059e)

0x804a9de : receive syscall (return)
0x8049368 : mov dl,byte ptr [eax+ecx]
0x8049371 : mov byte ptr [eax+ecx],dl
0x8048f9f : mov edx,dword ptr [0x8060e38]
0x8048fab: call ecx // address: edx value: 0x990d059e