Function at 0x14008db40
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 ebp, 5
mov r8, r12
mov rcx, rsi
lea edx, [rbp + 5]
call sub.VCRUNTIME140.dll_memchr
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x14008e386
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.14006f650
test eax, eax
jne 0x14008e296
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x14008dc34
mov rcx, r14
call fcn.14006f6b0
mov rcx, r14
mov rsi, rax
call fcn.14005c400
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14008dc19
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.140084e90
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x14008dc26
mov r8, rsi
mov rcx, rbx
call fcn.14008d0f0
mov ecx, eax
cmp ecx, 2
je 0x14008e2ab
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.14005c400
mov rcx, r14
mov r15, rax
call fcn.14006f6b0
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x14008e175
cmp cl, 0xd
je 0x14008e175
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14008e03b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x14008de32
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14008dcc3
nop dword [rax]
cmp al, 0x20
je 0x14008dcb8
cmp al, 9
jne 0x14008dcc3
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14008dcb0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x14008dd69
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14008dd99
sub ecx, 1
je 0x14008dcfd
cmp ecx, 1
jne 0x14008e2df
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x14008dd09
cmp al, 9
jne 0x14008dd69
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 0x14008dd69
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14008dd69
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14008dd69
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 0x14008df15
sub al, 9
cmp al, 4
jbe 0x14008df15
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.14008d0f0
cmp eax, 1
jne 0x14008e32b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x14008df15
cmp byte [rdi + 6], 0x2e
jne 0x14008de19
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x14008de19
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14008ddb6
cmp al, 9
jne 0x14008de19
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14008de19
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14008de19
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14008de19
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 0x14008df15
cmp al, 9
je 0x14008df15
sub al, 0xa
cmp al, 3
jbe 0x14008df15
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.14007d1a0
mov eax, 1
jmp 0x14008e296
bt ecx, 0x12
jae 0x14008e32b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14008de5a
cmp al, 0x20
je 0x14008de4f
cmp al, 9
jne 0x14008de5a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14008de47
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x14008e32b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x14008e426
cmp byte [rdi + 6], 0x2e
jne 0x14008e426
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x14008e426
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14008dead
cmp al, 9
jne 0x14008e426
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14008e426
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14008e426
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14008e426
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 0x14008df0b
cmp al, 9
je 0x14008df0b
sub al, 0xa
cmp al, 3
ja 0x14008e426
mov dword [rbx + 0x138], listen
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14008df2d
cmp ecx, 1
jne 0x14008e2f5
mov byte [r13 + 0x778], r9b
mov eax, dword [rbx + 0x13c]
mov dword [rbx + 0x1310], eax
mov eax, dword [rbx + 0x138]
mov dword [rbx + 0x1318], eax
movzx eax, byte [rbx + 0x138]
mov byte [r13 + 0x778], al
movzx eax, byte [rbx + 0x12f1]
test al, al
je 0x14008df6d
cmp eax, dword [rbx + 0x138]
jle 0x14008df7a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x14008df9f
cmp byte [rbx + 0x12f2], sil
jne 0x14008df9f
cmp dword [rbx + 0x13c], 0x1a0
jne 0x14008df9f
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x14008dfc8
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.14007d290
mov edx, 1
mov rcx, r13
call fcn.14007fed0
jmp 0x14008dfec
cmp eax, 0x14
je 0x14008dfdf
cmp dword [rbx + 0x144], 2
jne 0x14008dfec
cmp dword [rbx + 0x13c], 0x65
jne 0x14008dfec
mov rax, qword [r13 + 0x740]
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 0x14008e01e
cmp ecx, 0x64
jne 0x14008e033
cmp byte [rbx + 0x530], sil
je 0x14008e01e
mov byte [rbx + 0x13ec], 1
mov qword [rbx + 0xf0], rsi
mov qword [rbx + 0xf8], rsi
mov byte [rbx + 0x1db], 1
mov edi, reloc.WS2_32.dll_inet_ntoa
mov rsi, r14
lea rcx, [rbx + 0xca0]
call fcn.14005c400
mov rcx, rsi
mov r14, rax
call fcn.14006f6b0
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call sub.VCRUNTIME140.dll_memchr
test rax, rax
jne 0x14008e352
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x14008e0a2
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x14008e084
cmp cl, 9
jne 0x14008e089
cmp edx, 2
jg 0x14008e0a2
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x14008e337
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.14008b580
test eax, eax
jne 0x14008e296
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.14007d0c0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14008e0dd
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.14007e2a0
test eax, eax
jne 0x14008e296
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14008e13d
mov ecx, dword [rbx + 0x1358]
lea eax, [rdx + rbp]
add dword [rbx + 0x120], ebp
add ecx, ebp
mov dword [rbx + 0x1358], ecx
mov dword [rbx + 0x124], eax
cmp eax, r9d
ja 0x14008e138
cmp ecx, 0x5dc000
jbe 0x14008e14a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x14008e141
lea r8, [rdx + rbp]
test r8, r8
jne 0x14008e36d
lea rcx, [rbx + 0xca0]
call fcn.14006f6c0
test r12, r12
je 0x14008e277
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x14008db77
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14007d0c0
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.14007e2a0
test eax, eax
jne 0x14008e296
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14008e204
mov r8d, dword [rbx + 0x1358]
lea edx, [rcx + rbp]
add dword [rbx + 0x120], ebp
add r8d, ebp
mov dword [rbx + 0x1358], r8d
mov dword [rbx + 0x124], edx
cmp edx, r9d
ja 0x14008e1ff
cmp r8d, 0x5dc000
jbe 0x14008e211
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x14008e208
lea r8, [rcx + rbp]
test r8, r8
jne 0x14008e36d
lea rcx, [rbx + 0xca0]
call fcn.14006f6c0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x14008e233
mov eax, dword [rbx + 0x120]
jmp 0x14008e235
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.14008d230
test eax, eax
jne 0x14008e296
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 0x14008e277
test r12, r12
jne 0x14008db77
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x14008e294
test bpl, bpl
jne 0x14008e294
lea rcx, [rbx + 0xca0]
call fcn.14006f660
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.14007fed0
cmp byte [r13 + 0x778], 0xa
jae 0x14008e417
cmp byte [rbx + 0xac9], 0
je 0x14008e3fe
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x14008e27a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.14007d1a0
mov eax, 1
jmp 0x14008e296
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.14007d1a0
mov eax, 1
jmp 0x14008e296
mov byte [rbx + 0x1d1], sil
jmp 0x14008e277
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.14007d1a0
mov eax, edi
jmp 0x14008e296
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.14007d1a0
mov eax, edi
jmp 0x14008e296
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.14007d1a0
mov eax, gethostname
jmp 0x14008e296
mov r8, r12
call fcn.14006f650
test eax, eax
jne 0x14008e296
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x14008e277
mov rcx, r14
call fcn.14006f6b0
mov rcx, r14
mov rdi, rax
call fcn.14005c400
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.14008d1c0
cmp eax, 2
jne 0x14008e277
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.14007fed0
cmp byte [r13 + 0x778], 0xa
jae 0x14008e417
cmp byte [rbx + 0xac9], 0
je 0x14008e3fe
mov bpl, 1
jmp 0x14008e27a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.14007d1a0
mov eax, 1
jmp 0x14008e296
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.14007d1a0
mov eax, 8
jmp 0x14008e296