Function at 0x445578
Capabilities:
Authenticate hmac
Encode data using base64
Encrypt data using speck
Parse credit card information
Resolve function by parsing pe exports

Disassembly:
cmp byte [ebp - 5], 0
mov dword [ebp - 0xc], ebx
je 0x4452ae
cmp dword [esi + 8], 0
je 0x407bf6
mov ecx, dword [esi]
test ecx, ecx
je 0x407bf6
cmp eax, 0xffffffff
je 0x407bf6
mov edx, dword [esi + 0x10]
cmp eax, edx
jg 0x407bf6
push dword [esi + 0x18]
mov eax, dword [esi + 0x28]
push dword [esi + 0x14]
or eax, dword [esi + 0x20]
push eax
push dword [ebp - 0x10]
push edx
push dword [ecx]
mov edx, dword [esi + 0xc]
mov ecx, dword [esi + 8]
call fcn.0040ee3d
mov edx, eax
add esp, 0x18
mov dword [esi + 0x1c], edx
test edx, edx
jle 0x407be7
mov eax, dword [esi + 0x14]
mov ecx, dword [eax + 4]
mov dword [esi + 0x20], 0
mov edi, dword [eax]
cmp edi, dword [eax + 4]
mov dword [ebp - 0x20], edi
mov edi, dword [ebp + 0x10]
je 0x4452bd
mov dword [ebp - 0x10], ecx
test edx, edx
je 0x407bf6
mov eax, dword [esi + 0x14]
mov edx, dword [ebp - 0xc]
mov ecx, dword [eax]
mov ebx, ecx
mov eax, dword [esi]
mov dword [ebp - 0x20], eax
sub ebx, edx
je 0x407b7d
mov eax, dword [eax + 4]
cmp edx, eax
jae 0x407b7d
add dword [eax], eax
invalid
cmp ebx, 0xffffffff
je 0x4452f7
cmp ecx, eax
ja 0x4452f7
mov esi, edx
mov eax, dword [ebp - 0x14]
mov ecx, dword [eax]
cmp ecx, 1
jg 0x445303
xor al, al
lea edx, [ebx + 1]
test al, al
jne 0x44530a
cmp dword [ebp - 0x2c], edx
jb 0x407b97
mov al, 1
test al, al
je 0x407b9e
mov eax, dword [ebp - 0x20]
mov dword [ebp - 0x30], ebx
mov eax, dword [eax]
lea eax, [eax + esi*2]
lea esi, [ebx + ebx]
push esi
push eax
push dword [ebp - 0x34]
call fcn.00427cb1
mov eax, dword [ebp - 0x34]
add esp, 0xc
xor ecx, ecx
mov word [esi + eax], cx
or al, 6
mov esi, dword [ebp - 0x18]
lea eax, [ebp - 0x34]
cmp edi, eax
je 0x445367
test ebx, ebx
je 0x407b00
mov ecx, dword [edi + 0xc]
mov eax, dword [ecx]
cmp eax, 1
jg 0x44538c
xor dl, dl
test dl, dl
jne 0x445393
mov eax, dword [edi + 4]
inc eax
add eax, ebx
cmp dword [edi + 8], eax
jb 0x4453fc
mov eax, dword [edi]
mov ecx, dword [edi + 4]
lea ecx, [eax + ecx*2]
lea eax, [ebx + ebx]
push eax
push dword [ebp - 0x34]
push ecx
call fcn.00427d0b
add dword [edi + 4], ebx
add esp, 0xc
mov ecx, dword [edi + 4]
xor edx, edx
mov eax, dword [edi]
lea eax, [ebp - 0x44]
mov ecx, esi
push eax
push dword [ebp + 8]
call 0x4100ca
add dword [ebp - 0x1c], eax
lea eax, [ebp - 0x44]
cmp edi, eax
je 0x4454f0
mov ebx, dword [ebp - 0x40]
test ebx, ebx
je 0x407b70
mov ecx, dword [edi + 0xc]
mov edx, dword [ecx]
adc dword [ebx - 0x70f0fe06], eax
in al, 0xd9
add eax, dword [eax]
xor al, al
test al, al
jne 0x44551c
mov eax, dword [edi + 4]
inc eax
add eax, ebx
cmp dword [edi + 8], eax
jb 0x445587
mov ecx, dword [edi + 4]
lea eax, [ebx + ebx]
push eax
mov eax, dword [edi]
push dword [ebp - 0x44]
lea eax, [eax + ecx*2]
push eax
call fcn.00427d7b
add dword [edi + 4], ebx
add esp, 0xc
mov ecx, dword [edi + 4]
xor edx, edx
mov eax, dword [edi]
mov word [eax + ecx*2], dx
mov ebx, dword [ebp - 0x10]
mov eax, ebx
dec dword [ebp + 0xc]
jmp 0x40798e
push 0xffffffffffffffff
push 0
lea ecx, [ebp - 0x34]
call fcn.00410337
mov eax, dword [ebp - 0x28]
mov ebx, dword [ebp - 0x30]
mov dword [ebp - 0x14], eax
jmp 0x407aa4
xor al, al
jmp 0x407a75
test edx, edx
je 0x44535d
lea eax, [edx + 7]
and eax, 0xfffffff8
push dword [ebp - 0x34]
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x2c], eax
call fcn.00426dca
mov eax, dword [ebp - 0xc]
xor ecx, ecx
add esp, 4
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00426ddd
add esp, 4
xor ecx, ecx
mov word [eax + ebx*2], cx
mov dword [ebp - 0x34], eax
jmp 0x407a7d
cmp edx, 0xffffffff
jne 0x407bf6
cmp dword [esi + 0x20], 0
jne 0x4452d9
mov eax, dword [esi + 0x10]
lea ecx, [ebp - 0x34]
sub eax, ebx
push eax
push ebx
push dword [esi]
call 0x40dd28
lea eax, [ebp - 0x34]
mov ecx, edi
push eax
call fcn.0040d35e
lea ecx, [ebp - 0x34]
call fcn.004108a5
lea ecx, [ebp - 0x44]
call fcn.004108ad
mov eax, dword [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebp + 0xc], 0
je 0x407bf6
jmp 0x44c054
mov eax, dword [esi + 0x10]
cmp dword [ebp - 0x20], eax
jne 0x4452cd
lea ecx, [eax + 1]
jmp 0x44c0d8
mov dword [esi + 0x20], 0x10000010
jmp 0x44c0e4
inc dword [ebp - 0x10]
lea eax, [ebp - 0x10]
push 1
push eax
mov ecx, esi
mov dword [esi + 0x20], 0
call 0x4ad7f2
mov edx, eax
jmp 0x44c105
mov esi, dword [ebp - 0xc]
mov ebx, eax
sub ebx, esi
jmp 0x44c14e
mov al, 1
jmp 0x44c165
lea eax, [ecx - 1]
mov ecx, dword [ebp - 0x14]
push 4
mov dword [ecx], eax
call fcn.004644f0
mov dword [ebp - 0x14], eax
add esp, 4
mov dword [ebp - 0x28], eax
mov dword [eax], 1
lea eax, [ebx + 1]
test eax, eax
jne 0x445336
add eax, 7
and eax, 0xfffffff8
mov eax, 8
jmp 0x44c30f
push edi
lea eax, [ebp - 0x54]
mov ecx, edi
push eax
call fcn.004491f7
cmp edi, eax
je 0x44537f
push eax
mov ecx, edi
call fcn.0044f042
lea ecx, [ebp - 0x54]
call fcn.0044e012
jmp 0x44c288
mov dl, 1
jmp 0x44c252
dec eax
push 4
mov dword [ecx], eax
call fcn.00464574
add dword [eax], eax
add esp, 4
mov dword [eax], 1
mov dword [edi + 0xc], eax
mov eax, dword [edi + 4]
inc eax
add eax, ebx
jne 0x4453b8
mov eax, 8
jmp 0x4453be
add eax, 7
and eax, 0xfffffff8
xor ecx, ecx
mov dword [edi + 8], eax
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.004645de
mov esi, eax
add esp, 4
mov eax, dword [edi + 4]
lea eax, [eax*2 + 2]
add al, byte [eax]
add byte [eax], al
push eax
push dword [edi]
push esi
call fcn.0046560b
mov dword [edi], esi
add esp, 0xc
mov esi, dword [ebp - 0x18]
jmp 0x407ada
cmp eax, 0x41c2
jae 0x44540a
add eax, eax
jmp 0x489c95
mov dword [ebp - 0x20], eax
fild dword [ebp - 0x20]
test eax, eax
jns 0x44541a
fadd qword [0x4c81c0]
cmp eax, 0x2000000
jae 0x445444
fmul qword [0x4c33f8]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
jmp 0x44548f
cmp eax, 0x8000000
jae 0x44546e
fmul qword [0x4c33f0]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
jmp 0x44548f
fmul qword [0x4c33e8]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
test eax, eax
jne 0x44549a
mov eax, 8
jmp 0x4454a0
add eax, 7
and eax, 0xfffffff8
xor ecx, ecx
mov dword [edi + 8], eax
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.004646c0
mov edx, dword [edi]
add esp, 4
mov ecx, eax
enter 0x4d89, 0xffffffffffffffe0
test edx, edx
je 0x4454e9
mov eax, dword [edi + 4]
lea eax, [eax*2 + 2]
push eax
push edx
push ecx
call fcn.004656f5
add esp, 0xc
push dword [edi]
call fcn.004646f3
mov ecx, dword [ebp - 0x20]
add esp, 4
mov dword [edi], ecx
jmp 0x44c3c6
push edi
lea eax, [ebp - 0x64]
mov ecx, edi
push eax
call fcn.00449380
cmp edi, eax
je 0x445508
push eax
lea ecx, [ebp - 0x64]
call fcn.0044e19b
add byte [eax], al
jmp fcn.0044c481
mov al, 1
jmp 0x44c44b
lea eax, [edx - 1]
push 4
mov dword [ecx], eax
call fcn.004646ff
lea eax, [eax*2 + 2]
push eax
push dword [edi]
push esi
call fcn.00465796
add al, byte [eax]
mov dword [edi], esi
add esp, 0xc
mov esi, dword [ebp - 0x18]
jmp 0x407b4a
cmp eax, 0x41c2
jae 0x445595
add eax, eax
jmp 0x489fab
mov dword [ebp - 0x20], eax
fild dword [ebp - 0x20]
test eax, eax
jns 0x4455a5
fadd qword [0x4c81c0]
cmp eax, 0x2000000
jae 0x4455cf
fmul qword [0x4c33f8]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
jmp 0x44561a
cmp eax, 0x8000000
jae 0x4455f9
fmul qword [0x4c33f0]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
jmp 0x44561a
fmul qword [0x4c33e8]
fnstcw word [ebp - 0xa]
movzx eax, word [ebp - 0xa]
or eax, 0xc00
mov dword [ebp - 0x20], eax
fldcw word [ebp - 0x20]
fistp qword [ebp - 0x24]
mov eax, dword [ebp - 0x24]
fldcw word [ebp - 0xa]
test eax, eax
jne 0x445625
mov eax, 8
jmp 0x44562b
add eax, 7
and eax, 0xfffffff8
xor ecx, ecx
mov dword [edi + 8], eax
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0046484b
mov edx, dword [edi]
add esp, 4
mov ecx, eax
mov dword [ebp - 0x20], ecx
test edx, edx
je 0x445674
mov eax, dword [edi + 4]
lea eax, [eax*2 + 2]
push eax
push edx
push ecx
call fcn.00465880
add esp, 0xc
push dword [edi]
call fcn.0046487e
mov ecx, dword [ebp - 0x20]
add esp, 4
mov dword [edi], ecx
jmp 0x44c5c1
loope 0x44c055
inc dword [ebx]
add byte [eax], al
add eax, dword [eax]
add byte [0x3ff], ah
clc
invalid
call 0x4d7fc12d
in al, dx
inc edi
add bh, byte [ebx]
inc esi
jl 0x44c1c6
sub dword [ebx + 0x7500187e], eax
and eax, dword [ebx + 0x75021c7e]
sbb eax, 0x66078b66
cmp eax, dword [esi + 0x34]
hlt
add eax, dword [eax]
add byte [ebx + 0x7d8902c7], al
clc
mov edx, 0x803d0004
push ss
add byte [eax], al
mov bh, 7
add byte [ebx + 0x74083944], cl
add ecx, dword [ebx + 0x40c63840]
sbb byte [eax], al
or dword [esp + 0xc], 0xffffffff