Function at 0x140061960
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 0x140061ed0
cmp al, 0xd
je 0x140061ed0
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 0x140061ded
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x140061b8b
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x140061a0a
cmp al, 0x20
je 0x1400619ff
cmp al, 9
jne 0x140061a0a
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x1400619f7
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.1400ad0e0
test eax, eax
jne 0x140061ac3
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140061af3
sub ecx, r15d
je 0x140061a57
cmp ecx, r15d
je 0x140061a57
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.14004f980
mov eax, r15d
jmp 0x140061f59
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x140061a63
cmp al, 9
jne 0x140061ac3
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 0x140061ac3
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140061ac3
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140061ac3
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 0x140061c6e
sub al, 9
cmp al, 4
jbe 0x140061c6e
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140060b10
cmp eax, r15d
jne 0x140061e18
mov dword [rdi + 0x14c], reloc.WLDAP32.dll_Ordinal_200
mov dword [rdi + 0x148], 0xa
jmp 0x140061c6e
cmp byte [rbx + 6], 0x2e
jne 0x140061b74
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x140061b74
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140061b11
cmp al, 9
jne 0x140061b74
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140061b74
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140061b74
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140061b74
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 0x140061c6e
cmp al, 9
je 0x140061c6e
sub al, 0xa
cmp al, 3
jbe 0x140061c6e
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.14004f980
mov eax, r15d
jmp 0x140061f59
bt eax, 0x12
jae 0x140061e18
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x140061bb3
nop
cmp al, 0x20
je 0x140061ba8
cmp al, 9
jne 0x140061bb3
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140061ba0
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.1400ad0e0
test eax, eax
jne 0x140061e18
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x140061e1f
cmp byte [rbx + 6], 0x2e
jne 0x140061e1f
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x140061e1f
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140061c06
cmp al, 9
jne 0x140061e1f
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140061e1f
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140061e1f
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140061e1f
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 0x140061c64
cmp al, 9
je 0x140061c64
sub al, 0xa
cmp al, 3
ja 0x140061e1f
mov dword [rdi + 0x148], recvfrom
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x140061cbe
cmp ecx, r15d
je 0x140061cbe
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.14004f980
mov eax, r15d
jmp 0x140061f59
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x140061d0d
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 0x140061d0d
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.14004f980
mov eax, r15d
jmp 0x140061f59
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 0x140061d45
cmp eax, dword [rdi + 0x148]
jle 0x140061d52
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x140061d77
cmp byte [rdi + 0x131a], r12b
jne 0x140061d77
cmp dword [rdi + 0x14c], 0x1a0
jne 0x140061d77
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x140061d9a
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.14004fa70
mov edx, r15d
mov rcx, rbx
call fcn.140052850
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x140061dcc
cmp ecx, 0x64
jne 0x140061de1
cmp byte [rdi + 0x538], r12b
je 0x140061dcc
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.1400c97d0
test rax, rax
je 0x140061e29
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.14004f980
jmp 0x140061f57
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x140061f59
mov ecx, dword [r14]
cmp ecx, 2
jl 0x140061e6d
movzx eax, byte [rsi]
cmp al, 0x20
je 0x140061e3c
cmp al, 9
jne 0x140061e41
cmp ecx, 2
jg 0x140061e6d
mov r8, rbp
mov edx, Ordinal_60
mov rcx, rsi
call fcn.1400c97d0
test rax, rax
jne 0x140061e6d
lea rdx, str.Header_without_colon
mov rcx, rdi
lea ebx, [rax + 8]
call fcn.14004f980
jmp 0x140061f57
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14005ef10
test eax, eax
jne 0x140061f59
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.14004f8a0
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140061ea5
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.140050e80
test eax, eax
jne 0x140061f59
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.14005e430
jmp 0x140061f59
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.1400408d0
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.140040890
test eax, eax
jne 0x140061f59
lea rcx, [rdi + 0xc58]
call fcn.140040910
lea rcx, [rsp + 0x30]
call fcn.1400408f0
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140040900
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.140060c50
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.1400408a0
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