Function at 0x485cd0
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
sub esp, 0x10
push ebx
mov ebx, dword [esp + 0x1c]
push ebp
mov ebp, dword [esp + 0x30]
push esi
push edi
mov edi, dword [esp + 0x24]
mov dword [ebp], 0
mov al, byte [ebx]
cmp al, 0xa
je 0x486242
cmp al, 0xd
je 0x486242
mov ecx, dword [edi + 0xc4]
mov esi, 4
mov ebp, dword [esp + 0x2c]
lea eax, [ecx + 1]
mov dword [edi + 0xc4], eax
test ecx, ecx
jne 0x486164
mov dword [edi + 0xd0], 0
mov eax, dword [edi + 0x18]
mov eax, dword [eax + 0x2ac]
mov eax, dword [eax + 0x48]
test al, 3
je 0x485ee7
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x485d52
cmp al, 0x20
je 0x485d4a
cmp al, 9
jne 0x485d52
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x485d42
push 5
push str.HTTP_
push esi
call fcn.006053a0
add esp, 0xc
test eax, eax
jne 0x485e15
movsx ecx, byte [esi + 5]
mov eax, ecx
sub eax, 0x31
je 0x485e42
sub eax, 1
je 0x485d9e
sub eax, 1
je 0x485d9e
push str.Unsupported_HTTP_version_in_response
push edi
call fcn.00473ed0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov al, byte [esi + 6]
cmp al, 0x20
je 0x485da9
cmp al, 9
jne 0x485e15
lea eax, [ecx - 0x30]
lea eax, [eax + eax*4]
add eax, eax
mov dword [edi + 0xd0], eax
mov cl, byte [esi + 7]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x485e15
mov dl, byte [esi + 8]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x485e15
mov dh, byte [esi + 9]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x485e15
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xa]
cmp al, 0x20
je 0x485fc5
cmp al, 9
je 0x485fc5
cmp al, 0xa
jl 0x485e15
cmp al, 0xd
jle 0x485fc5
push ebp
push ebx
push edi
call fcn.004850d0
add esp, 0xc
cmp eax, 1
jne 0x486190
mov dword [edi + 0xd4], 0xc8
mov dword [edi + 0xd0], 0xa
jmp 0x485fc5
cmp byte [esi + 6], 0x2e
jne 0x485ecc
mov al, byte [esi + 7]
cmp al, 0x30
je 0x485e57
cmp al, 0x31
jne 0x485ecc
mov cl, byte [esi + 8]
cmp cl, 0x20
je 0x485e64
cmp cl, 9
jne 0x485ecc
movsx eax, al
sub eax, 0x26
mov dword [edi + 0xd0], eax
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x485ecc
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x485ecc
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x485ecc
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x485fc5
cmp al, 9
je 0x485fc5
sub al, 0xa
cmp al, 3
jbe 0x485fc5
push str.Unsupported_HTTP_1_subversion_in_response
push edi
call fcn.00473ed0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
test eax, 0x40000
je 0x486190
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x485f10
nop word [eax + eax]
cmp al, 0x20
je 0x485f08
cmp al, 9
jne 0x485f10
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x485f00
push 5
push str.RTSP_
push esi
call fcn.006053a0
add esp, 0xc
test eax, eax
jne 0x486190
mov al, byte [esi + 5]
sub al, 0x30
cmp al, 9
ja 0x486197
cmp byte [esi + 6], 0x2e
jne 0x486197
mov al, byte [esi + 7]
sub al, 0x30
cmp al, 9
ja 0x486197
mov al, byte [esi + 8]
cmp al, 0x20
je 0x485f5b
cmp al, 9
jne 0x486197
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x486197
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x486197
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x486197
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x485fbb
cmp al, 9
je 0x485fbb
sub al, 0xa
cmp al, 3
ja 0x486197
mov dword [edi + 0xd0], 0xb
mov ecx, dword [edi + 0xd0]
mov eax, ecx
mov esi, dword [edi + 0x18]
sub eax, 0xa
je 0x485fef
sub eax, 1
je 0x485fef
mov eax, ecx
mov ecx, 0xa
cdq
idiv ecx
mov ecx, edx
mov edx, eax
mov eax, str.Unsupported_HTTP_version___u._d__in_response
jmp 0x48602c
mov al, byte [esi + 0x514]
test al, al
je 0x486045
movzx ecx, al
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
shr edx, 3
mov dword [esp + 0x24], edx
imul dword [edi + 0xd0]
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov edx, dword [esp + 0x24]
cmp ecx, edx
je 0x486045
mov eax, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
push ecx
push edx
push eax
push edi
call fcn.00473ed0
add esp, 0x10
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov eax, dword [edi + 0xd4]
mov dword [edi + 0xd10], eax
mov eax, dword [edi + 0xd0]
mov dword [edi + 0xd18], eax
movzx eax, byte [edi + 0xd0]
mov byte [esi + 0x514], al
mov al, byte [edi + 0xced]
test al, al
je 0x486083
mov ecx, dword [edi + 0xd0]
movzx eax, al
cmp eax, ecx
jle 0x486095
jmp 0x486089
mov cl, byte [edi + 0xd0]
mov byte [edi + 0xced], cl
mov ecx, dword [edi + 0xd0]
mov eax, dword [edi + 0xbd0]
or eax, dword [edi + 0xbd4]
je 0x4860bf
cmp byte [edi + 0xcee], 0
jne 0x4860bf
cmp dword [edi + 0xd4], 0x1a0
jne 0x4860bf
mov byte [edi + 0x132], 1
cmp ecx, 0xa
jne 0x4860dc
push str.HTTP_1.0__assume_close_after_body
push edi
call fcn.00473fa0
push 1
push esi
call fcn.004765c0
add esp, 0x10
jmp 0x4860ff
cmp ecx, 0x14
je 0x4860f3
cmp dword [edi + 0xdc], 2
jne 0x4860ff
cmp dword [edi + 0xd4], 0x65
jne 0x4860ff
mov eax, dword [esi + 0x4e8]
mov dword [eax], 2
mov ecx, dword [edi + 0xd4]
lea eax, [ecx - 0x64]
cmp eax, 0x63
setbe al
mov byte [edi + 0x133], al
sub ecx, 0xcc
je 0x486130
sub ecx, 0x64
jne 0x48615f
cmp byte [edi + 0x3b0], cl
je 0x486130
mov byte [edi + 0xdd0], 1
mov dword [edi + 0x88], 0
mov dword [edi + 0x8c], 0
mov dword [edi + 0x90], 0
mov dword [edi + 0x94], 0
mov byte [edi + 0x133], 1
mov esi, 0xc
push ebp
push 0
push ebx
call fcn.005f8100
add esp, 0xc
test eax, eax
je 0x4861a4
mov eax, str.Nul_byte_in_header
push eax
push edi
call fcn.00473ed0
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov byte [edi + 0x129], 0
pop edi
pop esi
pop ebp
mov eax, 8
pop ebx
add esp, 0x10
ret
mov ecx, dword [edi + 0xc4]
cmp ecx, 2
jl 0x4861ea
mov al, byte [ebx]
cmp al, 0x20
je 0x4861b9
cmp al, 9
jne 0x4861be
cmp ecx, 2
jg 0x4861ea
push ebp
push 0x3a
push ebx
call fcn.005f8100
add esp, 0xc
test eax, eax
jne 0x4861ea
mov eax, str.Header_without_colon
push eax
push edi
call fcn.00473ed0
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
push ebp
push ebx
push edi
call fcn.00483840
add esp, 0xc
test eax, eax
jne 0x4862bd
push ebp
push ebx
push 1
push edi
call fcn.00473e30
mov eax, dword [edi + 0xd4]
add esp, 0x10
sub eax, 0x64
cmp eax, 0x64
jae 0x48621b
or esi, 0x20
push ebp
push ebx
push esi
push edi
call fcn.00475120
add esp, 0x10
test eax, eax
jne 0x4862bd
push eax
push ebp
push edi
call fcn.00482ea0
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov esi, dword [esp + 0x2c]
lea eax, [esi + 1]
push eax
lea eax, [esp + 0x14]
push eax
call fcn.004670e0
push esi
lea eax, [esp + 0x1c]
push ebx
push eax
call fcn.004670a0
add esp, 0x14
test eax, eax
jne 0x4862bd
lea eax, [edi + 0x878]
push eax
call fcn.00467120
add esp, 4
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x38]
lea eax, [esp + 0x18]
push dword [esp + 0x38]
push eax
call fcn.00467100
add esp, 4
push eax
lea eax, [esp + 0x20]
push eax
call fcn.00467110
add esp, 4
push eax
push edi
call fcn.00485220
mov ecx, dword [esp + 0x3c]
mov esi, eax
add dword [ebp], ecx
lea eax, [esp + 0x28]
push eax
call fcn.004670b0
add esp, 0x1c
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret