Function at 0x140038380
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 0x18], rbx
mov qword [rsp + 0x20], r9
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x20
mov r13, qword [rcx + 0x20]
lea r14, [rcx + 0xca0]
mov qword [r9], 0
mov r15, r9
mov r12, r8
mov rsi, rdx
mov rbx, rcx
mov ebp, 5
mov r8, r12
mov rcx, rsi
lea edx, [rbp + 5]
call sub.VCRUNTIME140.dll_memchr
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x140038bc6
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.140019d10
test eax, eax
jne 0x140038ad6
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x140038474
mov rcx, r14
call fcn.140019d70
mov rcx, r14
mov rsi, rax
call fcn.140019d80
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x140038459
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.14002f6d0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x140038466
mov r8, rsi
mov rcx, rbx
call fcn.140037930
mov ecx, eax
cmp ecx, 2
je 0x140038aeb
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.140019d80
mov rcx, r14
mov r15, rax
call fcn.140019d70
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x1400389b5
cmp cl, 0xd
je 0x1400389b5
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14003887b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x140038672
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x140038503
nop dword [rax]
cmp al, 0x20
je 0x1400384f8
cmp al, 9
jne 0x140038503
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1400384f0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x1400385a9
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x1400385d9
sub ecx, 1
je 0x14003853d
cmp ecx, 1
jne 0x140038b1f
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x140038549
cmp al, 9
jne 0x1400385a9
lea eax, [rdx - 0x30]
lea ecx, [rax + rax*4]
add ecx, ecx
mov dword [rbx + 0x138], ecx
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400385a9
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400385a9
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400385a9
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xa]
cmp al, 0x20
je 0x140038755
sub al, 9
cmp al, 4
jbe 0x140038755
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.140037930
cmp eax, 1
jne 0x140038b6b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x140038755
cmp byte [rdi + 6], 0x2e
jne 0x140038659
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x140038659
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1400385f6
cmp al, 9
jne 0x140038659
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140038659
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140038659
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140038659
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xc]
cmp al, 0x20
je 0x140038755
cmp al, 9
je 0x140038755
sub al, 0xa
cmp al, 3
jbe 0x140038755
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.1400278b0
mov eax, 1
jmp 0x140038ad6
bt ecx, 0x12
jae 0x140038b6b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14003869a
cmp al, 0x20
je 0x14003868f
cmp al, 9
jne 0x14003869a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140038687
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x140038b6b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x140038c66
cmp byte [rdi + 6], 0x2e
jne 0x140038c66
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x140038c66
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1400386ed
cmp al, 9
jne 0x140038c66
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140038c66
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140038c66
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140038c66
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xc]
cmp al, 0x20
je 0x14003874b
cmp al, 9
je 0x14003874b
sub al, 0xa
cmp al, 3
ja 0x140038c66
mov dword [rbx + 0x138], ntohs
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14003876d
cmp ecx, 1
jne 0x140038b35
mov byte [r13 + 0x778], r9b
mov eax, dword [rbx + 0x13c]
mov dword [rbx + 0x1310], eax
mov eax, dword [rbx + 0x138]
mov dword [rbx + 0x1318], eax
movzx eax, byte [rbx + 0x138]
mov byte [r13 + 0x778], al
movzx eax, byte [rbx + 0x12f1]
test al, al
je 0x1400387ad
cmp eax, dword [rbx + 0x138]
jle 0x1400387ba
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x1400387df
cmp byte [rbx + 0x12f2], sil
jne 0x1400387df
cmp dword [rbx + 0x13c], 0x1a0
jne 0x1400387df
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x140038808
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.1400279a0
mov edx, 1
mov rcx, r13
call fcn.14002a5e0
jmp 0x14003882c
cmp eax, 0x14
je 0x14003881f
cmp dword [rbx + 0x144], 2
jne 0x14003882c
cmp dword [rbx + 0x13c], 0x65
jne 0x14003882c
mov rax, qword [r13 + 0x740]
mov dword [rax], 2
mov ecx, dword [rbx + 0x13c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rbx + 0x1db], al
sub ecx, 0xcc
je 0x14003885e
cmp ecx, 0x64
jne 0x140038873
cmp byte [rbx + 0x530], sil
je 0x14003885e
mov byte [rbx + 0x13ec], 1
mov qword [rbx + 0xf0], rsi
mov qword [rbx + 0xf8], rsi
mov byte [rbx + 0x1db], 1
mov edi, ntohs
mov rsi, r14
lea rcx, [rbx + 0xca0]
call fcn.140019d80
mov rcx, rsi
mov r14, rax
call fcn.140019d70
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call sub.VCRUNTIME140.dll_memchr
test rax, rax
jne 0x140038b92
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x1400388e2
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x1400388c4
cmp cl, 9
jne 0x1400388c9
cmp edx, 2
jg 0x1400388e2
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x140038b77
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.140035dc0
test eax, eax
jne 0x140038ad6
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.1400277d0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14003891d
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.1400289b0
test eax, eax
jne 0x140038ad6
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14003897d
mov ecx, dword [rbx + 0x1358]
lea eax, [rdx + rbp]
add dword [rbx + 0x120], ebp
add ecx, ebp
mov dword [rbx + 0x1358], ecx
mov dword [rbx + 0x124], eax
cmp eax, r9d
ja 0x140038978
cmp ecx, 0x5dc000
jbe 0x14003898a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x140038981
lea r8, [rdx + rbp]
test r8, r8
jne 0x140038bad
lea rcx, [rbx + 0xca0]
call fcn.140019d90
test r12, r12
je 0x140038ab7
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x1400383b7
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.1400277d0
mov eax, dword [rbx + 0x13c]
mov edx, 4
sub eax, 0x64
mov r9, rbp
cmp eax, 0x64
mov r8, r15
mov eax, 0x24
mov rcx, rbx
cmovb edx, eax
call fcn.1400289b0
test eax, eax
jne 0x140038ad6
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140038a44
mov r8d, dword [rbx + 0x1358]
lea edx, [rcx + rbp]
add dword [rbx + 0x120], ebp
add r8d, ebp
mov dword [rbx + 0x1358], r8d
mov dword [rbx + 0x124], edx
cmp edx, r9d
ja 0x140038a3f
cmp r8d, 0x5dc000
jbe 0x140038a51
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x140038a48
lea r8, [rcx + rbp]
test r8, r8
jne 0x140038bad
lea rcx, [rbx + 0xca0]
call fcn.140019d90
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x140038a73
mov eax, dword [rbx + 0x120]
jmp 0x140038a75
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.140037a70
test eax, eax
jne 0x140038ad6
mov rax, qword [rsp + 0x60]
mov r15, qword [rsp + 0x78]
sub r12, rax
add rsi, rax
add qword [r15], rax
cmp byte [rbx + 0x1d1], 0
je 0x140038ab7
test r12, r12
jne 0x1400383b7
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x140038ad4
test bpl, bpl
jne 0x140038ad4
lea rcx, [rbx + 0xca0]
call fcn.140019d20
xor eax, eax
mov rbx, qword [rsp + 0x70]
add rsp, 0x20
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
mov edx, 2
mov rcx, r13
call fcn.14002a5e0
cmp byte [r13 + 0x778], 0xa
jae 0x140038c57
cmp byte [rbx + 0xac9], 0
je 0x140038c3e
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x140038aba
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.1400278b0
mov eax, 1
jmp 0x140038ad6
mov eax, 0x66666667
imul r9d
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add edx, ecx
mov r8d, edx
lea ecx, [rdx + rdx*4]
add ecx, ecx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
sub r9d, ecx
mov rcx, rbx
call fcn.1400278b0
mov eax, 1
jmp 0x140038ad6
mov byte [rbx + 0x1d1], sil
jmp 0x140038ab7
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.1400278b0
mov eax, edi
jmp 0x140038ad6
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.1400278b0
mov eax, edi
jmp 0x140038ad6
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.1400278b0
mov eax, gethostname
jmp 0x140038ad6
mov r8, r12
call fcn.140019d10
test eax, eax
jne 0x140038ad6
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x140038ab7
mov rcx, r14
call fcn.140019d70
mov rcx, r14
mov rdi, rax
call fcn.140019d80
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.140037a00
cmp eax, 2
jne 0x140038ab7
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.14002a5e0
cmp byte [r13 + 0x778], 0xa
jae 0x140038c57
cmp byte [rbx + 0xac9], 0
je 0x140038c3e
mov bpl, 1
jmp 0x140038aba
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.1400278b0
mov eax, 1
jmp 0x140038ad6
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.1400278b0
mov eax, 8
jmp 0x140038ad6