Function at 0x140061c30
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 0x1400621a0
cmp al, 0xd
je 0x1400621a0
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 0x1400620bd
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x140061e5b
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x140061cda
cmp al, 0x20
je 0x140061ccf
cmp al, 9
jne 0x140061cda
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140061cc7
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.1400c9cd0
test eax, eax
jne 0x140061d93
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140061dc3
sub ecx, r15d
je 0x140061d27
cmp ecx, r15d
je 0x140061d27
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.14004fc50
mov eax, r15d
jmp 0x140062229
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x140061d33
cmp al, 9
jne 0x140061d93
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 0x140061d93
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140061d93
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140061d93
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 0x140061f3e
sub al, 9
cmp al, 4
jbe 0x140061f3e
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140060de0
cmp eax, r15d
jne 0x1400620e8
mov dword [rdi + 0x14c], reloc.WLDAP32.dll_Ordinal_200
mov dword [rdi + 0x148], 0xa
jmp 0x140061f3e
cmp byte [rbx + 6], 0x2e
jne 0x140061e44
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x140061e44
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140061de1
cmp al, 9
jne 0x140061e44
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140061e44
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140061e44
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140061e44
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 0x140061f3e
cmp al, 9
je 0x140061f3e
sub al, 0xa
cmp al, 3
jbe 0x140061f3e
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.14004fc50
mov eax, r15d
jmp 0x140062229
bt eax, 0x12
jae 0x1400620e8
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x140061e83
nop
cmp al, 0x20
je 0x140061e78
cmp al, 9
jne 0x140061e83
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140061e70
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.1400c9cd0
test eax, eax
jne 0x1400620e8
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x1400620ef
cmp byte [rbx + 6], 0x2e
jne 0x1400620ef
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x1400620ef
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140061ed6
cmp al, 9
jne 0x1400620ef
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400620ef
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400620ef
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400620ef
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 0x140061f34
cmp al, 9
je 0x140061f34
sub al, 0xa
cmp al, 3
ja 0x1400620ef
mov dword [rdi + 0x148], recvfrom
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x140061f8e
cmp ecx, r15d
je 0x140061f8e
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.14004fc50
mov eax, r15d
jmp 0x140062229
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x140061fdd
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 0x140061fdd
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.14004fc50
mov eax, r15d
jmp 0x140062229
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 0x140062015
cmp eax, dword [rdi + 0x148]
jle 0x140062022
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x140062047
cmp byte [rdi + 0x131a], r12b
jne 0x140062047
cmp dword [rdi + 0x14c], 0x1a0
jne 0x140062047
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x14006206a
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.14004fd40
mov edx, r15d
mov rcx, rbx
call fcn.140052b20
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x14006209c
cmp ecx, 0x64
jne 0x1400620b1
cmp byte [rdi + 0x538], r12b
je 0x14006209c
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.1400c9b50
test rax, rax
je 0x1400620f9
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.14004fc50
jmp 0x140062227
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x140062229
mov ecx, dword [r14]
cmp ecx, 2
jl 0x14006213d
movzx eax, byte [rsi]
cmp al, 0x20
je 0x14006210c
cmp al, 9
jne 0x140062111
cmp ecx, 2
jg 0x14006213d
mov r8, rbp
mov edx, Ordinal_60
mov rcx, rsi
call fcn.1400c9b50
test rax, rax
jne 0x14006213d
lea rdx, str.Header_without_colon
mov rcx, rdi
lea ebx, [rax + 8]
call fcn.14004fc50
jmp 0x140062227
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14005f1e0
test eax, eax
jne 0x140062229
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.14004fb70
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140062175
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.140051150
test eax, eax
jne 0x140062229
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.14005e700
jmp 0x140062229
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140040ba0
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.140040b60
test eax, eax
jne 0x140062229
lea rcx, [rdi + 0xc58]
call fcn.140040be0
lea rcx, [rsp + 0x30]
call fcn.140040bc0
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140040bd0
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.140060f20
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.140040b70
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