Function at 0x421870
Capabilities:
Parse credit card information

Disassembly:
push esi
mov esi, ecx
xor cl, cl
mov eax, dword [esi + 0x4c]
cmp eax, 0xffffffff
je 0x421bed
push ebx
push edi
cmp eax, 0x7c
je 0x421beb
cmp eax, 0x29
jne 0x4218ad
cmp dword [esi + 0x10], 0
jne 0x421beb
test dword [esi + 0x50], 0x10000000
je 0x421bfa
jmp 0x421b7c
cmp eax, 0x2e
jne 0x4218c1
push 5
lea ecx, [esi + 0x24]
call fcn.004257d0
jmp 0x421b89
cmp eax, 0x5c
jne 0x42199d
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x421910
cmp word [eax], 0x5c
jne 0x42190b
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x421909
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4218f7
movzx edi, word [ecx]
cmp edi, 0x28
je 0x42190b
cmp edi, 0x29
je 0x42190b
test dl, 0x10
jne 0x421909
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x42190b
cmp ecx, 0x7d
je 0x42190b
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.00426540
test byte [esi + 0x50], 0x80
je 0x421991
movzx eax, word [esi + 0x48]
cmp eax, 0x62
jne 0x421979
push 4
lea ecx, [esi + 0x24]
call fcn.004257d0
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x421b26
cmp word [eax], 0x5c
jne 0x421b21
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x421b1f
mov ebx, dword [esi + 0x50]
test bl, 8
jne 0x421971
movzx edx, word [ecx]
cmp edx, 0x28
je 0x421b21
cmp edx, 0x29
je 0x421b21
test bl, 0x10
jmp 0x421b10
cmp eax, 0x42
jne 0x421991
push 4
lea ecx, [esi + 0x24]
call fcn.004257d0
mov eax, dword [esi + 0x28]
xor dword [eax + 8], 1
jmp 0x421930
mov ecx, esi
call fcn.00421c20
jmp 0x421bd6
cmp eax, 0x5b
jne 0x421a4f
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x4219ec
cmp word [eax], 0x5c
jne 0x4219e7
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x4219e5
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x4219d3
movzx edi, word [ecx]
cmp edi, 0x28
je 0x4219e7
cmp edi, 0x29
je 0x4219e7
test dl, 0x10
jne 0x4219e5
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x4219e7
cmp ecx, 0x7d
je 0x4219e7
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.00426540
lea ecx, [esi + 0x24]
call fcn.00420f60
mov eax, dword [esi + 0x4c]
cmp eax, 0x5e
jne 0x421a14
mov eax, dword [esi + 0x28]
mov ecx, esi
xor dword [eax + 8], 1
call fcn.00425840
mov eax, dword [esi + 0x4c]
test dword [esi + 0x50], 0x20000000
je 0x421a32
cmp eax, 0x5d
jne 0x421a32
push eax
lea ecx, [esi + 0x24]
call fcn.00420ee0
mov ecx, esi
call fcn.00425840
mov ecx, esi
call fcn.00422880
cmp dword [esi + 0x4c], 0x5d
jne 0x421c0c
mov ecx, esi
call fcn.00425840
jmp 0x421bd6
cmp eax, 0x28
jne 0x421ac8
mov eax, dword [esi]
mov edx, dword [esi + 8]
cmp eax, edx
je 0x421a9a
cmp word [eax], 0x5c
jne 0x421a95
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x421a93
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x421a81
movzx edi, word [ecx]
cmp edi, 0x28
je 0x421a95
cmp edi, 0x29
je 0x421a95
test dl, 0x10
jne 0x421a93
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x421a95
cmp ecx, 0x7d
je 0x421a95
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.00426540
mov ecx, esi
call fcn.00426840
cmp dword [esi + 0x4c], 0x29
mov bl, al
jne 0x421bfa
mov ecx, esi
call fcn.00425840
test bl, bl
je 0x421bdd
jmp 0x421bd6
cmp eax, 0x5e
jne 0x421ad1
push 2
jmp 0x421ad8
cmp eax, 0x24
jne 0x421b32
push 3
lea ecx, [esi + 0x24]
call fcn.004257d0
mov edx, dword [esi + 8]
mov eax, dword [esi]
cmp eax, edx
je 0x421b26
cmp word [eax], 0x5c
jne 0x421b21
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x421b1f
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x421b0d
movzx edi, word [ecx]
cmp edi, 0x28
je 0x421b21
cmp edi, 0x29
je 0x421b21
test dl, 0x10
jne 0x421b1f
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x421b21
cmp ecx, 0x7d
je 0x421b21
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.00426540
jmp 0x421bdd
cmp eax, 0x2a
je 0x421bf1
cmp eax, 0x2b
je 0x421bf1
cmp eax, 0x3f
je 0x421bf1
cmp eax, 0x7b
je 0x421bf1
cmp eax, 0x7d
jne 0x421b6a
test dword [esi + 0x50], 0x10000000
je 0x421c03
jmp 0x421b7c
cmp eax, 0x5d
jne 0x421b7c
test dword [esi + 0x50], 0x10000000
je 0x421c0c
movzx eax, word [esi + 0x48]
lea ecx, [esi + 0x24]
push eax
call fcn.00420ca0
mov edx, dword [esi + 8]
mov eax, dword [esi]
cmp eax, edx
je 0x421bcf
cmp word [eax], 0x5c
jne 0x421bca
lea ecx, [eax + 2]
mov eax, ecx
cmp ecx, edx
je 0x421bc8
mov edx, dword [esi + 0x50]
test dl, 8
jne 0x421bb6
movzx edi, word [ecx]
cmp edi, 0x28
je 0x421bca
cmp edi, 0x29
je 0x421bca
test dl, 0x10
jne 0x421bc8
movzx ecx, word [ecx]
cmp ecx, 0x7b
je 0x421bca
cmp ecx, 0x7d
je 0x421bca
mov eax, dword [esi]
add eax, 2
mov dword [esi], eax
mov ecx, esi
call fcn.00426540
mov ecx, esi
call fcn.00425ce0
mov eax, dword [esi + 0x4c]
mov cl, 1
cmp eax, 0xffffffff
jne 0x421883
pop edi
pop ebx
mov al, cl
pop esi
ret
push 0xa
mov ecx, esi
call fcn.00423bf0
push 5
mov ecx, esi
call fcn.00423bf0
push 6
mov ecx, esi
call fcn.00423bf0
push 4
mov ecx, esi
call fcn.00423bf0
int3