Function at 0x100557a0
Capabilities:
Parse credit card information

Disassembly:
push esi
mov esi, ecx
xor cl, cl
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x10055a00
push ebx
push edi
cmp eax, 0x7c
je 0x100559fe
cmp eax, 0x29
jne 0x100557e1
cmp dword [esi + 0x10], 0
jne 0x100559fe
cmp eax, eax
jne 0x100557e1
test dword [esi + 0x50], 0x10000000
je 0x10055a0d
jmp 0x100559b7
cmp eax, 0x2e
jne 0x10055840
push 5
lea ecx, [esi + 0x24]
call fcn.10058430
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x10055834
cmp word [eax], 0x5c
jne 0x1005582f
lea ecx, [eax + 2]
cmp ecx, edx
je 0x1005582f
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x1005581b
movzx edi, word [ecx]
cmp edi, 0x28
je 0x1005582d
cmp edi, 0x29
je 0x1005582d
test dl, 0x10
jne 0x1005582f
movzx edx, word [ecx]
cmp edx, 0x7b
je 0x1005582d
cmp edx, 0x7d
jne 0x1005582f
mov eax, ecx
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.10058640
jmp 0x100559e9
cmp eax, 0x5c
jne 0x1005589f
mov ecx, esi
call fcn.100584a0
test byte [esi + 0x50], 0x80
je 0x10055893
movzx eax, word [esi + 0x48]
cmp eax, 0x62
jne 0x10055871
push 4
lea ecx, [esi + 0x24]
call fcn.10058430
mov ecx, esi
call fcn.100584a0
jmp 0x100559f0
cmp eax, 0x42
jne 0x10055893
push 4
lea ecx, [esi + 0x24]
call fcn.10058430
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.100584a0
jmp 0x100559f0
mov ecx, esi
call fcn.10055a30
jmp 0x100559e9
cmp eax, 0x5b
jne 0x10055949
mov ecx, esi
call fcn.100584a0
lea ecx, [esi + 0x24]
call fcn.10054d80
mov eax, dword [esi + 0x4c]
cmp eax, 0x5e
jne 0x10055914
mov eax, dword [esi + 0x28]
xor dword [eax + 8], 1
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x1005590a
cmp word [eax], 0x5c
jne 0x10055905
lea ecx, [eax + 2]
cmp ecx, edx
je 0x10055905
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x100558f1
movzx edi, word [ecx]
cmp edi, 0x28
je 0x10055903
cmp edi, 0x29
je 0x10055903
test dl, 0x10
jne 0x10055905
movzx edx, word [ecx]
cmp edx, 0x7b
je 0x10055903
cmp edx, 0x7d
jne 0x10055905
mov eax, ecx
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.10058640
mov eax, dword [esi + 0x4c]
test dword [esi + 0x50], 0x20000000
je 0x10055932
cmp eax, 0x5d
jne 0x10055932
push eax
lea ecx, [esi + 0x24]
call fcn.10054d00
mov ecx, esi
call fcn.100584a0
mov ecx, esi
call fcn.100565b0
push 4
push 0x5d
mov ecx, esi
call fcn.10057ad0
jmp 0x100559e9
cmp eax, 0x28
jne 0x10055973
mov ecx, esi
call fcn.100584a0
mov ecx, esi
call fcn.100588d0
push 5
push 0x29
mov ecx, esi
mov bl, al
call fcn.10057ad0
test bl, bl
je 0x100559f0
jmp 0x100559e9
cmp eax, 0x5e
jne 0x1005598b
push 2
lea ecx, [esi + 0x24]
call fcn.10058430
mov ecx, esi
call fcn.100584a0
jmp 0x100559f0
cmp eax, 0x24
jne 0x100559a3
push 3
lea ecx, [esi + 0x24]
call fcn.10058430
mov ecx, esi
call fcn.100584a0
jmp 0x100559f0
cmp eax, 0x2a
je 0x10055a04
cmp eax, 0x2b
je 0x10055a04
cmp eax, 0x3f
je 0x10055a04
cmp eax, 0x7b
je 0x10055a04
cmp eax, 0x7d
jne 0x100559c7
test dword [esi + 0x50], 0x10000000
je 0x10055a16
jmp 0x100559d5
cmp eax, 0x5d
jne 0x100559d5
test dword [esi + 0x50], 0x10000000
je 0x10055a1f
movzx eax, word [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.10054b50
mov ecx, esi
call fcn.100584a0
mov ecx, esi
call fcn.100584f0
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x100557b3
pop edi
pop ebx
mov al, cl
pop esi
ret
push 0xa
mov ecx, esi
call fcn.10057ac0
push 5
mov ecx, esi
call fcn.10057ac0
push 6
mov ecx, esi
call fcn.10057ac0
push 4
mov ecx, esi
call fcn.10057ac0
int3