CodeJitsu targetted Shellphish running NRFIN_00052 in round 75.

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Type 1 POV

eip:0x488c8eec - ebx:0x6622aaac

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The application exited with a segmentation fault

0x804aa8d: 0x804aa8d // esp: 0xbaaaaa04

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Execution control corruption via return (return to: 0xbaaaaa04).

Tracing data from eip: 0x804aa8d tracing source of memory: 0xbaaaaa04 (value: 0x488c8eec)

0x804a9de : receive syscall (return)
0x804aa74 : mov ecx,dword ptr [edx]
0x804aa8a : mov dword ptr [esp],ecx
0x804aa8d: ret // address: 0xbaaaaa04 value: 0x488c8eec

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Negotiated general register: ebx:0x6622aaac

Tracing data from eip: 0x804aa8d tracing source of register: ebx (value: 0x6622aaac)

0x804a9de : receive syscall (return)
0x804aa76 : mov ebx,dword ptr [edx+0x4]
0x804aa8d: ret // address: ebx value: 0x6622aaac