Function at 0x1400c1520
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 r8, r12
mov edx, 0xa
mov rcx, rsi
mov ebp, 5
call fcn.14012b180
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x1400c1d6a
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.1400a5da0
test eax, eax
jne 0x1400c1c7a
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x1400c1616
mov rcx, r14
call fcn.1400a5e00
mov rcx, r14
mov rsi, rax
call fcn.1400a5e10
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x1400c15fb
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.1400b7ef0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x1400c1608
mov r8, rsi
mov rcx, rbx
call fcn.1400c0b90
mov ecx, eax
cmp ecx, 2
je 0x1400c1c8f
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.1400a5e10
mov rcx, r14
mov r15, rax
call fcn.1400a5e00
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x1400c1b59
cmp cl, 0xd
je 0x1400c1b59
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x1400c1a1d
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x1400c1813
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1400c16a4
nop
cmp al, 0x20
je 0x1400c1699
cmp byte [rdi], 9
jne 0x1400c16a4
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1400c1690
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.1401069e0
test eax, eax
jne 0x1400c174a
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x1400c177a
sub ecx, 1
je 0x1400c16de
cmp ecx, 1
jne 0x1400c1cc3
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x1400c16ea
cmp al, 9
jne 0x1400c174a
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 0x1400c174a
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400c174a
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400c174a
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 0x1400c18f7
sub al, 9
cmp al, 4
jbe 0x1400c18f7
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.1400c0b90
cmp eax, 1
jne 0x1400c1d0f
mov dword [rbx + 0x13c], reloc.WLDAP32.dll_Ordinal_200
mov dword [rbx + 0x138], 0xa
jmp 0x1400c18f7
cmp byte [rdi + 6], 0x2e
jne 0x1400c17fa
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x1400c17fa
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1400c1797
cmp al, 9
jne 0x1400c17fa
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400c17fa
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400c17fa
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400c17fa
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 0x1400c18f7
cmp al, 9
je 0x1400c18f7
sub al, 0xa
cmp al, 3
jbe 0x1400c18f7
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.1400b19f0
mov eax, 1
jmp 0x1400c1c7a
bt ecx, 0x12
jae 0x1400c1d0f
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1400c183c
cmp al, 0x20
je 0x1400c1831
cmp byte [rdi], 9
jne 0x1400c183c
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1400c1828
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.1401069e0
test eax, eax
jne 0x1400c1d0f
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x1400c1de0
cmp byte [rdi + 6], 0x2e
jne 0x1400c1de0
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x1400c1de0
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1400c188f
cmp al, 9
jne 0x1400c1de0
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400c1de0
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400c1de0
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400c1de0
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 0x1400c18ed
cmp al, 9
je 0x1400c18ed
sub al, 0xa
cmp al, 3
ja 0x1400c1de0
mov dword [rbx + 0x138], ntohs
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x1400c190f
cmp ecx, 1
jne 0x1400c1cd9
mov byte [r13 + 0x544], r9b
mov eax, dword [rbx + 0x13c]
mov dword [rbx + 0x1330], eax
mov eax, dword [rbx + 0x138]
mov dword [rbx + 0x1338], eax
movzx eax, byte [rbx + 0x138]
mov byte [r13 + 0x544], al
movzx eax, byte [rbx + 0x1311]
test al, al
je 0x1400c194f
cmp eax, dword [rbx + 0x138]
jle 0x1400c195c
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x1311], al
cmp qword [rbx + 0x1118], rsi
je 0x1400c1981
cmp byte [rbx + 0x1312], sil
jne 0x1400c1981
cmp dword [rbx + 0x13c], 0x1a0
jne 0x1400c1981
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x1400c19aa
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.1400b1ae0
mov edx, 1
mov rcx, r13
call fcn.1400b46d0
jmp 0x1400c19ce
cmp eax, 0x14
je 0x1400c19c1
cmp dword [rbx + 0x144], 2
jne 0x1400c19ce
cmp dword [rbx + 0x13c], 0x65
jne 0x1400c19ce
mov rax, qword [r13 + 0x510]
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 0x1400c1a00
cmp ecx, 0x64
jne 0x1400c1a15
cmp byte [rbx + 0x530], sil
je 0x1400c1a00
mov byte [rbx + 0x140c], 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.1400a5e10
mov rcx, rsi
mov r14, rax
call fcn.1400a5e00
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.14012b180
test rax, rax
jne 0x1400c1d36
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x1400c1a84
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x1400c1a66
cmp cl, 9
jne 0x1400c1a6b
cmp edx, 2
jg 0x1400c1a84
mov r8, rsi
mov edx, Ordinal_60
mov rcx, r14
call fcn.14012b180
test rax, rax
je 0x1400c1d1b
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.1400bf190
test eax, eax
jne 0x1400c1c7a
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.1400b1900
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x1400c1ac1
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.1400b2b20
test eax, eax
jne 0x1400c1c7a
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x1400c1b21
mov ecx, dword [rbx + 0x1378]
lea eax, [rdx + rbp]
add dword [rbx + 0x120], ebp
add ecx, ebp
mov dword [rbx + 0x1378], ecx
mov dword [rbx + 0x124], eax
cmp eax, r9d
ja 0x1400c1b1c
cmp ecx, 0x5dc000
jbe 0x1400c1b2e
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x1400c1b25
lea r8, [rdx + rbp]
test r8, r8
jne 0x1400c1d51
lea rcx, [rbx + 0xca0]
call fcn.1400a5e20
test r12, r12
je 0x1400c1c5b
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x1400c1557
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.1400b1900
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.1400b2b20
test eax, eax
jne 0x1400c1c7a
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x1400c1be8
mov r8d, dword [rbx + 0x1378]
lea edx, [rcx + rbp]
add dword [rbx + 0x120], ebp
add r8d, ebp
mov dword [rbx + 0x1378], r8d
mov dword [rbx + 0x124], edx
cmp edx, r9d
ja 0x1400c1be3
cmp r8d, 0x5dc000
jbe 0x1400c1bf5
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x1400c1bec
lea r8, [rcx + rbp]
test r8, r8
jne 0x1400c1d51
lea rcx, [rbx + 0xca0]
call fcn.1400a5e20
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x1400c1c17
mov eax, dword [rbx + 0x120]
jmp 0x1400c1c19
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.1400c0cd0
test eax, eax
jne 0x1400c1c7a
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 0x1400c1c5b
test r12, r12
jne 0x1400c1557
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x1400c1c78
test bpl, bpl
jne 0x1400c1c78
lea rcx, [rbx + 0xca0]
call fcn.1400a5db0
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.1400b46d0
cmp byte [r13 + 0x544], 0xa
jae 0x1400c1dd1
cmp byte [rbx + 0xac8], 0
je 0x1400c1df7
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x1400c1c5e
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.1400b19f0
mov eax, 1
jmp 0x1400c1c7a
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.1400b19f0
mov eax, 1
jmp 0x1400c1c7a
mov byte [rbx + 0x1d1], sil
jmp 0x1400c1c5b
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.1400b19f0
mov eax, edi
jmp 0x1400c1c7a
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.1400b19f0
mov eax, edi
jmp 0x1400c1c7a
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.1400b19f0
mov eax, gethostname
jmp 0x1400c1c7a
mov r8, r12
call fcn.1400a5da0
test eax, eax
jne 0x1400c1c7a
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x1400c1c5b
mov rcx, r14
call fcn.1400a5e00
mov rcx, r14
mov rdi, rax
call fcn.1400a5e10
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.1400c0c60
cmp eax, 2
jne 0x1400c1c5b
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.1400b46d0
cmp byte [r13 + 0x544], 0xa
jb 0x1400c1dea
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.1400b19f0
mov eax, 8
jmp 0x1400c1c7a
cmp byte [rbx + 0xac8], 0
jne 0x1400c1cbe
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.1400b19f0
mov eax, 1
jmp 0x1400c1c7a