Function at 0x1011df40
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 0x1011e490
cmp al, 0xd
je 0x1011e490
mov ecx, dword [edi + 0xd4]
lea ebp, [edi + 0xd4]
mov esi, 4
lea eax, [ecx + 1]
mov dword [ebp], eax
test ecx, ecx
jne 0x1011e3aa
mov dword [edi + 0xe0], ecx
mov eax, dword [edi + 0x18]
mov eax, dword [eax + 0x2b4]
mov eax, dword [eax + 0x48]
test al, 3
je 0x1011e159
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x1011dfc1
nop dword [eax]
cmp al, 0x20
je 0x1011dfb9
cmp byte [esi], 9
jne 0x1011dfc1
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x1011dfb0
push 5
push str.HTTP_
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
add esp, 0xc
test eax, eax
jne 0x1011e084
movsx ecx, byte [esi + 5]
mov eax, ecx
sub eax, 0x31
je 0x1011e0b4
sub eax, 1
je 0x1011e00d
sub eax, 1
je 0x1011e00d
push str.Unsupported_HTTP_version_in_response
push edi
call fcn.1010ccb0
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 0x1011e018
cmp al, 9
jne 0x1011e084
lea eax, [ecx - 0x30]
lea eax, [eax + eax*4]
add eax, eax
mov dword [edi + 0xe0], eax
mov cl, byte [esi + 7]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x1011e084
mov dl, byte [esi + 8]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x1011e084
mov dh, byte [esi + 9]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x1011e084
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 + 0xe4], eax
mov al, byte [esi + 0xa]
cmp al, 0x20
je 0x1011e236
cmp al, 9
je 0x1011e236
cmp al, 0xa
jl 0x1011e084
cmp al, 0xd
jle 0x1011e236
push dword [esp + 0x2c]
push ebx
push edi
call fcn.1011d320
add esp, 0xc
cmp eax, 1
jne 0x1011e3d9
mov dword [edi + 0xe4], 0xc8
mov dword [edi + 0xe0], 0xa
jmp 0x1011e236
cmp byte [esi + 6], 0x2e
jne 0x1011e13e
mov al, byte [esi + 7]
cmp al, 0x30
je 0x1011e0c9
cmp al, 0x31
jne 0x1011e13e
mov cl, byte [esi + 8]
cmp cl, 0x20
je 0x1011e0d6
cmp cl, 9
jne 0x1011e13e
movsx eax, al
sub eax, 0x26
mov dword [edi + 0xe0], eax
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x1011e13e
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x1011e13e
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x1011e13e
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 + 0xe4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x1011e236
cmp al, 9
je 0x1011e236
sub al, 0xa
cmp al, 3
jbe 0x1011e236
push str.Unsupported_HTTP_1_subversion_in_response
push edi
call fcn.1010ccb0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
test eax, 0x40000
je 0x1011e3d9
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x1011e181
nop dword [eax]
cmp al, 0x20
je 0x1011e179
cmp byte [esi], 9
jne 0x1011e181
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x1011e170
push 5
push str.RTSP_
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
add esp, 0xc
test eax, eax
jne 0x1011e3d9
mov al, byte [esi + 5]
sub al, 0x30
cmp al, 9
ja 0x1011e3e0
cmp byte [esi + 6], 0x2e
jne 0x1011e3e0
mov al, byte [esi + 7]
sub al, 0x30
cmp al, 9
ja 0x1011e3e0
mov al, byte [esi + 8]
cmp al, 0x20
je 0x1011e1cc
cmp al, 9
jne 0x1011e3e0
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x1011e3e0
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x1011e3e0
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x1011e3e0
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 + 0xe4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x1011e22c
cmp al, 9
je 0x1011e22c
sub al, 0xa
cmp al, 3
ja 0x1011e3e0
mov dword [edi + 0xe0], 0xb
mov ecx, dword [edi + 0xe0]
mov eax, ecx
mov esi, dword [edi + 0x18]
sub eax, 0xa
je 0x1011e260
sub eax, 1
je 0x1011e260
mov eax, ecx
mov ecx, 0xa
cdq
idiv ecx
mov ebp, eax
mov ecx, edx
mov eax, str.Unsupported_HTTP_version___u._d__in_response
jmp 0x1011e297
mov al, byte [esi + 0x518]
test al, al
je 0x1011e2b0
movzx ecx, al
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
mov ebp, edx
imul dword [edi + 0xe0]
shr ebp, 3
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
cmp ecx, ebp
je 0x1011e2b0
mov eax, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
push ecx
push ebp
push eax
push edi
call fcn.1010ccb0
add esp, 0x10
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov eax, dword [edi + 0xe4]
mov dword [edi + 0xd28], eax
mov eax, dword [edi + 0xe0]
mov dword [edi + 0xd30], eax
movzx eax, byte [edi + 0xe0]
mov byte [esi + 0x518], al
mov al, byte [edi + 0xd05]
test al, al
je 0x1011e2ea
movzx eax, al
cmp eax, dword [edi + 0xe0]
jle 0x1011e2f6
mov al, byte [edi + 0xe0]
mov byte [edi + 0xd05], al
mov eax, dword [edi + 0xbe8]
or eax, dword [edi + 0xbec]
je 0x1011e320
cmp byte [edi + 0xd06], 0
jne 0x1011e320
cmp dword [edi + 0xe4], 0x1a0
jne 0x1011e320
mov byte [edi + 0x143], 1
cmp dword [edi + 0xe0], 0xa
jne 0x1011e33f
push str.HTTP_1.0__assume_close_after_body
push edi
call fcn.1010cd80
push 1
push esi
call fcn.1010f480
add esp, 0x10
mov ecx, dword [edi + 0xe4]
lea eax, [ecx - 0x64]
cmp eax, 0x63
setbe al
mov byte [edi + 0x144], al
sub ecx, 0xcc
je 0x1011e370
sub ecx, 0x64
jne 0x1011e39f
cmp byte [edi + 0x3c0], cl
je 0x1011e370
mov byte [edi + 0xde8], 1
mov dword [edi + 0x98], 0
mov dword [edi + 0x9c], 0
mov dword [edi + 0xa0], 0
mov dword [edi + 0xa4], 0
mov byte [edi + 0x144], 1
mov esi, 0xc
lea ebp, [edi + 0xd4]
push dword [esp + 0x2c]
push 0
push ebx
call sub.VCRUNTIME140.dll_memchr
add esp, 0xc
test eax, eax
je 0x1011e3ed
mov eax, str.Nul_byte_in_header
push eax
push edi
call fcn.1010ccb0
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov byte [edi + 0x139], 0
pop edi
pop esi
pop ebp
mov eax, 8
pop ebx
add esp, 0x10
ret
mov ecx, dword [ebp]
cmp ecx, 2
jl 0x1011e434
mov al, byte [ebx]
cmp al, 0x20
je 0x1011e3ff
cmp al, 9
jne 0x1011e404
cmp ecx, 2
jg 0x1011e434
mov ebp, dword [esp + 0x2c]
push ebp
push 0x3a
push ebx
call sub.VCRUNTIME140.dll_memchr
add esp, 0xc
test eax, eax
jne 0x1011e438
mov eax, str.Header_without_colon
push eax
push edi
call fcn.1010ccb0
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov ebp, dword [esp + 0x2c]
push ebp
push ebx
push edi
call fcn.1011ba50
add esp, 0xc
test eax, eax
jne 0x1011e50b
push ebp
push ebx
push 1
push edi
call fcn.1010cc10
mov eax, dword [edi + 0xe4]
add esp, 0x10
sub eax, 0x64
cmp eax, 0x64
jae 0x1011e469
or esi, 0x20
push ebp
push ebx
push esi
push edi
call fcn.1010df90
add esp, 0x10
test eax, eax
jne 0x1011e50b
push eax
push ebp
push edi
call fcn.1011b090
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.100f90e0
push esi
lea eax, [esp + 0x1c]
push ebx
push eax
call fcn.100f90a0
add esp, 0x14
test eax, eax
jne 0x1011e50b
lea eax, [edi + 0x890]
push eax
call fcn.100f9120
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.100f9100
add esp, 4
push eax
lea eax, [esp + 0x20]
push eax
call fcn.100f9110
add esp, 4
push eax
push edi
call fcn.1011d470
mov ecx, dword [esp + 0x3c]
mov esi, eax
add dword [ebp], ecx
lea eax, [esp + 0x28]
push eax
call fcn.100f90b0
add esp, 0x1c
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret