Function at 0x1400aad80
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r12
push r14
push r15
sub rsp, 0x50
mov r14, qword [rsp + 0x98]
xor r12d, r12d
mov r15, r9
mov rbp, r8
mov rsi, rdx
mov rdi, rcx
mov qword [r14], r12
movzx eax, byte [rdx]
cmp al, 0xa
je 0x1400ab2f6
cmp al, 0xd
je 0x1400ab2f6
lea r14, [rcx + 0x13c]
mov ebx, 4
mov ecx, dword [r14]
mov r15d, 1
lea eax, [rcx + 1]
mov dword [r14], eax
test ecx, ecx
jne 0x1400ab211
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x1400aafae
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x1400aae2c
cmp al, 0x20
je 0x1400aae21
cmp byte [rbx], 9
jne 0x1400aae2c
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x1400aae18
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
test eax, eax
jne 0x1400aaee6
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x1400aaf16
sub ecx, r15d
je 0x1400aae7a
cmp ecx, r15d
je 0x1400aae7a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.1400975d0
mov eax, r15d
jmp 0x1400ab37f
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x1400aae86
cmp al, 9
jne 0x1400aaee6
lea eax, [rdx - 0x30]
lea ecx, [rax + rax*4]
add ecx, ecx
mov dword [rdi + 0x148], ecx
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400aaee6
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400aaee6
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400aaee6
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xa]
cmp al, 0x20
je 0x1400ab092
sub al, 9
cmp al, 4
jbe 0x1400ab092
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.1400a9f40
cmp eax, r15d
jne 0x1400ab23c
mov dword [rdi + 0x14c], reloc.WLDAP32.dll_Ordinal_200
mov dword [rdi + 0x148], 0xa
jmp 0x1400ab092
cmp byte [rbx + 6], 0x2e
jne 0x1400aaf97
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x1400aaf97
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x1400aaf34
cmp al, 9
jne 0x1400aaf97
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400aaf97
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400aaf97
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400aaf97
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x1400ab092
cmp al, 9
je 0x1400ab092
sub al, 0xa
cmp al, 3
jbe 0x1400ab092
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.1400975d0
mov eax, r15d
jmp 0x1400ab37f
bt eax, 0x12
jae 0x1400ab23c
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x1400aafd6
cmp al, 0x20
je 0x1400aafcb
cmp byte [rbx], 9
jne 0x1400aafd6
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x1400aafc2
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
test eax, eax
jne 0x1400ab23c
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x1400ab243
cmp byte [rbx + 6], 0x2e
jne 0x1400ab243
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x1400ab243
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x1400ab02a
cmp al, 9
jne 0x1400ab243
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400ab243
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400ab243
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400ab243
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x1400ab088
cmp al, 9
je 0x1400ab088
sub al, 0xa
cmp al, 3
ja 0x1400ab243
mov dword [rdi + 0x148], listen
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x1400ab0e2
cmp ecx, r15d
je 0x1400ab0e2
mov eax, 0x66666667
mov rcx, rdi
imul r9d
mov r8d, edx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
sar r8d, 2
mov eax, r8d
shr eax, 0x1f
add r8d, eax
lea eax, [r8 + r8*4]
add eax, eax
sub r9d, eax
call fcn.1400975d0
mov eax, r15d
jmp 0x1400ab37f
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x1400ab131
mov ecx, eax
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
mov r8d, edx
imul r9d
shr r8d, 3
mov r9d, edx
sar r9d, 2
mov eax, r9d
shr eax, 0x1f
add r9d, eax
cmp r9d, r8d
je 0x1400ab131
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.1400975d0
mov eax, r15d
jmp 0x1400ab37f
mov eax, dword [rdi + 0x14c]
mov dword [rdi + 0x1338], eax
mov eax, dword [rdi + 0x148]
mov dword [rdi + 0x1340], eax
movzx eax, byte [rdi + 0x148]
mov byte [rbx + 0x7e0], al
movzx eax, byte [rdi + 0x1319]
test al, al
je 0x1400ab169
cmp eax, dword [rdi + 0x148]
jle 0x1400ab176
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x1400ab19b
cmp byte [rdi + 0x131a], r12b
jne 0x1400ab19b
cmp dword [rdi + 0x14c], 0x1a0
jne 0x1400ab19b
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x1400ab1be
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.1400976c0
mov edx, r15d
mov rcx, rbx
call fcn.14009a4b0
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x1400ab1f0
cmp ecx, 0x64
jne 0x1400ab205
cmp byte [rdi + 0x538], r12b
je 0x1400ab1f0
mov byte [rdi + 0x1414], r15b
mov qword [rdi + 0x100], r12
mov qword [rdi + 0x108], r12
mov byte [rdi + 0x1e4], r15b
mov ebx, listen
lea r14, [rdi + 0x13c]
mov r8, rbp
xor edx, edx
mov rcx, rsi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x1400ab24d
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.1400975d0
jmp 0x1400ab37d
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x1400ab37f
mov ecx, dword [r14]
cmp ecx, 2
jl 0x1400ab293
movzx eax, byte [rsi]
cmp al, 0x20
je 0x1400ab260
cmp al, 9
jne 0x1400ab265
cmp ecx, 2
jg 0x1400ab293
mov r8, rbp
mov edx, Ordinal_60
mov rcx, rsi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
jne 0x1400ab293
lea rdx, str.Header_without_colon
mov rcx, rdi
mov ebx, 8
call fcn.1400975d0
jmp 0x1400ab37d
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.1400a8350
test eax, eax
jne 0x1400ab37f
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.1400974e0
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x1400ab2cb
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.140098ae0
test eax, eax
jne 0x1400ab37f
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.1400a7850
jmp 0x1400ab37f
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140088300
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.1400882c0
test eax, eax
jne 0x1400ab37f
lea rcx, [rdi + 0xc58]
call fcn.140088340
lea rcx, [rsp + 0x30]
call fcn.140088320
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140088330
mov rcx, qword [rsp + 0x90]
mov rdx, rax
lea rax, [rsp + 0x98]
mov r9, r15
mov qword [rsp + 0x28], rax
mov r8, rbx
mov qword [rsp + 0x20], rcx
mov rcx, rdi
call fcn.1400aa080
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.1400882d0
mov eax, ebx
lea r11, [rsp + 0x50]
mov rbx, qword [r11 + 0x20]
mov rbp, qword [r11 + 0x28]
mov rsi, qword [r11 + 0x30]
mov rdi, qword [r11 + 0x38]
mov rsp, r11
pop r15
pop r14
pop r12
ret