Function at 0x1400626a0
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 0x140062c10
cmp al, 0xd
je 0x140062c10
lea r14, [rcx + 0x13c]
mov ecx, dword [r14]
lea ebx, [r12 + 4]
lea r15d, [r12 + 1]
lea eax, [rcx + 1]
mov dword [r14], eax
test ecx, ecx
jne 0x140062b2d
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x1400628cb
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x14006274a
cmp al, 0x20
je 0x14006273f
cmp al, 9
jne 0x14006274a
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140062737
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.1400aed00
test eax, eax
jne 0x140062803
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140062833
sub ecx, r15d
je 0x140062797
cmp ecx, r15d
je 0x140062797
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.1400506c0
mov eax, r15d
jmp 0x140062c99
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x1400627a3
cmp al, 9
jne 0x140062803
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 0x140062803
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140062803
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140062803
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 0x1400629ae
sub al, 9
cmp al, 4
jbe 0x1400629ae
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140061850
cmp eax, r15d
jne 0x140062b58
mov dword [rdi + 0x14c], reloc.WLDAP32.dll_Ordinal_200
mov dword [rdi + 0x148], 0xa
jmp 0x1400629ae
cmp byte [rbx + 6], 0x2e
jne 0x1400628b4
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x1400628b4
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140062851
cmp al, 9
jne 0x1400628b4
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400628b4
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400628b4
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400628b4
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 0x1400629ae
cmp al, 9
je 0x1400629ae
sub al, 0xa
cmp al, 3
jbe 0x1400629ae
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.1400506c0
mov eax, r15d
jmp 0x140062c99
bt eax, 0x12
jae 0x140062b58
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x1400628f3
nop
cmp al, 0x20
je 0x1400628e8
cmp al, 9
jne 0x1400628f3
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x1400628e0
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.1400aed00
test eax, eax
jne 0x140062b58
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x140062b5f
cmp byte [rbx + 6], 0x2e
jne 0x140062b5f
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x140062b5f
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140062946
cmp al, 9
jne 0x140062b5f
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140062b5f
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140062b5f
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140062b5f
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 0x1400629a4
cmp al, 9
je 0x1400629a4
sub al, 0xa
cmp al, 3
ja 0x140062b5f
mov dword [rdi + 0x148], recvfrom
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x1400629fe
cmp ecx, r15d
je 0x1400629fe
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.1400506c0
mov eax, r15d
jmp 0x140062c99
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x140062a4d
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 0x140062a4d
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.1400506c0
mov eax, r15d
jmp 0x140062c99
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 0x140062a85
cmp eax, dword [rdi + 0x148]
jle 0x140062a92
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x140062ab7
cmp byte [rdi + 0x131a], r12b
jne 0x140062ab7
cmp dword [rdi + 0x14c], 0x1a0
jne 0x140062ab7
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x140062ada
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.1400507b0
mov edx, r15d
mov rcx, rbx
call fcn.140053590
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x140062b0c
cmp ecx, 0x64
jne 0x140062b21
cmp byte [rdi + 0x538], r12b
je 0x140062b0c
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 fcn.1400cb4b0
test rax, rax
je 0x140062b69
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.1400506c0
jmp 0x140062c97
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x140062c99
mov ecx, dword [r14]
cmp ecx, 2
jl 0x140062bad
movzx eax, byte [rsi]
cmp al, 0x20
je 0x140062b7c
cmp al, 9
jne 0x140062b81
cmp ecx, 2
jg 0x140062bad
mov r8, rbp
mov edx, Ordinal_60
mov rcx, rsi
call fcn.1400cb4b0
test rax, rax
jne 0x140062bad
lea rdx, str.Header_without_colon
mov rcx, rdi
lea ebx, [rax + 8]
call fcn.1400506c0
jmp 0x140062c97
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14005fc50
test eax, eax
jne 0x140062c99
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.1400505e0
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140062be5
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.140051bc0
test eax, eax
jne 0x140062c99
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.14005f170
jmp 0x140062c99
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140041610
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.1400415d0
test eax, eax
jne 0x140062c99
lea rcx, [rdi + 0xc58]
call fcn.140041650
lea rcx, [rsp + 0x30]
call fcn.140041630
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140041640
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.140061990
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.1400415e0
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