Function at 0x140027304
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x20], r9
mov qword [rsp + 0x18], r8
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
mov rbp, rsp
sub rsp, 0x70
mov rax, qword [r8]
lea r12, [rcx + 0xb38]
mov rbx, qword [rcx + 0x148]
mov rdi, rax
mov qword [rbp - 0x18], rax
mov r15, rax
mov qword [rbp - 0x10], rbx
mov r8, rax
mov r14, rdx
mov rsi, rcx
mov edx, 0xa
mov rcx, rbx
mov r13, rbx
call fcn.14003acf0
mov rcx, rax
mov rdx, rbx
test rax, rax
je 0x140027b26
sub rdi, rax
lea r8, [rcx + 1]
mov rcx, r12
lea rax, [rdi - 1]
mov rdi, qword [rbp + 0x50]
add rax, rbx
mov qword [rdi], rax
mov qword [rsi + 0x148], r8
sub r8, rbx
call fcn.140018d9c
xor r15d, r15d
test eax, eax
jne 0x140027402
cmp dword [rsi + 0x144], r15d
jne 0x14002741a
mov rcx, r12
call fcn.140011ed0
mov rcx, r12
mov rbx, rax
call fcn.14000c550
mov r8, rax
mov r9, rbx
mov rdx, r14
mov rcx, rsi
call fcn.140028014
lea ebx, [r15 + 2]
cmp eax, ebx
jne 0x14002741f
mov edx, ebx
mov rcx, r14
call fcn.14001f4a4
cmp byte [rsi + 0x98e], r15b
je 0x140027b9a
mov byte [rsi + 0x1b9], r15b
cmp qword [rdi], r15
je 0x140027a46
mov dword [rsi + 0x140], 1
xor eax, eax
mov rbx, qword [rsp + 0xb8]
add rsp, 0x70
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
mov ebx, 2
mov rcx, r12
call fcn.14000c550
mov r15, rax
cmp byte [rax], 0xa
je 0x1400276b1
cmp byte [rax], 0xd
je 0x1400276b1
mov edx, dword [rsi + 0x144]
xor r13d, r13d
lea ecx, [rdx + 1]
mov dword [rsi + 0x144], ecx
test edx, edx
jne 0x14002760c
mov rax, qword [r14 + 0x2c8]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x1400275b1
lea rax, [rbp + 0x40]
mov dword [rbp - 0x2c], r13d
mov qword [rsp + 0x30], rax
lea rdi, [rsi + 0x158]
lea rax, [rbp - 0x30]
mov qword [rsp + 0x28], rdi
lea r9, [rbp - 0x2c]
mov qword [rsp + 0x20], rax
lea r8, [rbp - 0x28]
mov byte [rbp + 0x40], r13b
lea rdx, str._HTTP__1d._1d_c_3d_c
mov rcx, r15
call fcn.140024914
mov ebx, eax
cmp eax, 1
jne 0x1400274e1
cmp dword [rbp - 0x28], 2
jl 0x1400274e1
mov r9, rdi
lea r8, [rbp - 0x24]
lea rdx, str._HTTP__1_23___d
mov rcx, r15
call fcn.140024914
cmp eax, 2
jne 0x1400274e1
mov byte [r14 + 0x5ff], r13b
lea ebx, [rax + 2]
mov byte [rbp - 0x30], 0x20
jmp 0x140027506
mov al, byte [rbp + 0x40]
sub al, 0x30
cmp al, 9
jbe 0x140027aa0
cmp ebx, 4
jl 0x140027541
cmp dword [rdi], 0x64
jl 0x140027aa0
cmp byte [rbp - 0x30], 0x20
jne 0x140027a94
mov eax, dword [rbp - 0x28]
lea ecx, [rax + rax*4]
mov eax, dword [rbp - 0x2c]
lea r9d, [rax + rcx*2]
mov ecx, r9d
mov dword [rbp - 0x2c], r9d
sub ecx, 0xa
je 0x140027528
cmp ecx, 1
jne 0x140027a63
mov byte [r14 + 0x5ff], r9b
cmp r9b, 0x14
jae 0x1400275a1
mov rax, qword [r14 + 0x5c0]
or dword [rax], 0xffffffff
jmp 0x1400275a1
test ebx, ebx
jne 0x140027a94
mov r8, rdi
lea rdx, str._HTTP__3d
mov rcx, r15
call fcn.140024914
mov byte [r14 + 0x5ff], 0xa
test eax, eax
jne 0x1400275f6
mov rcx, r12
call fcn.140011ed0
mov rcx, r12
mov rbx, rax
call fcn.14000c550
mov rdx, rax
mov r8, rbx
mov rcx, rsi
call fcn.140027f48
cmp eax, 1
jne 0x1400275a5
mov dword [rdi], 0xc8
mov ebx, eax
mov byte [r14 + 0x5ff], 0xa
test ebx, ebx
jne 0x1400275f6
mov byte [rsi + 0x1b9], r13b
jmp 0x140027400
bt ecx, 0x12
jae 0x1400275a5
lea rax, [rsi + 0x158]
mov rcx, r15
mov qword [rsp + 0x28], rax
lea r9, [rbp - 0x20]
lea rax, [rbp - 0x2f]
lea r8, [rbp - 0x1c]
mov qword [rsp + 0x20], rax
lea rdx, str._RTSP__1d._1d_c_3d
call fcn.140024914
cmp eax, 4
jne 0x1400275a5
cmp byte [rbp - 0x2f], 0x20
jne 0x1400275a5
mov byte [r14 + 0x5ff], 0xb
mov rdx, r14
mov rcx, rsi
call fcn.140027d88
test eax, eax
jne 0x140027402
lea ebx, [rax + 6]
mov rcx, rsi
call fcn.1400286cc
test eax, eax
jne 0x140027402
mov r8, r15
mov rdx, r14
mov rcx, rsi
call fcn.14002668c
test eax, eax
jne 0x140027402
mov edi, ebx
mov rcx, r12
or edi, 1
cmp byte [rsi + 0x972], r13b
cmove edi, ebx
mov ebx, dword [rsi + 0x158]
call fcn.140011ed0
mov r9, rax
mov r8, r15
mov edx, 1
mov rcx, rsi
call fcn.14001e9c0
mov rcx, r12
call fcn.140011ed0
mov edx, edi
mov r9, rax
or edx, 0x10
lea eax, [rbx - 0x64]
cmp eax, 0x64
mov r8, r15
mov rcx, rsi
cmovae edx, edi
call fcn.14001e9b8
test eax, eax
jne 0x140027402
mov rcx, r12
call fcn.140011ed0
add qword [rsi + 0x11a0], rax
mov rcx, r12
call fcn.140011ed0
add qword [rsi + 0x108], rax
jmp 0x140027a1c
mov ecx, dword [rsi + 0x158]
lea eax, [rcx - 0x64]
cmp eax, 0x63
ja 0x140027733
sub ecx, 0x64
je 0x1400276fa
cmp ecx, 1
je 0x1400276df
lea rdi, [rsi + 0x1b9]
xor r15d, r15d
mov byte [rdi], 1
mov dword [rsi + 0x144], r15d
jmp 0x14002772e
cmp dword [rsi + 0x174], ebx
je 0x140027aac
lea rdi, [rsi + 0x1b9]
xor r15d, r15d
mov byte [rdi], r15b
jmp 0x14002772e
xor r15d, r15d
lea rdi, [rsi + 0x1b9]
mov byte [rdi], 1
mov dword [rsi + 0x144], r15d
cmp dword [rsi + 0x170], r15d
jle 0x14002772e
or dword [rsi + 0x15c], ebx
xor edx, edx
mov rcx, rsi
mov dword [rsi + 0x170], r15d
call fcn.1400157c0
mov rbx, rdi
jmp 0x140027791
xor r15d, r15d
lea rdi, [rsi + 0x1b9]
cmp qword [rsi + 0xe8], 0xffffffffffffffff
mov rbx, rdi
mov byte [rdi], r15b
jne 0x140027796
cmp byte [rsi + 0x1be], r15b
jne 0x140027796
cmp byte [r14 + 0x292], r15b
jne 0x140027796
cmp byte [r14 + 0x5ff], 0xb
jne 0x140027796
mov rax, qword [r14 + 0x2c8]
test dword [rax + 0x84], 0x40000
jne 0x140027796
cmp byte [rsi + 0x1058], 5
je 0x140027796
lea edx, [r15 + 2]
mov rcx, r14
call fcn.14001f4a4
cmp byte [rbx], r15b
jne 0x1400277a6
mov rcx, rsi
call fcn.140027d0c
test eax, eax
jne 0x140027402
mov al, byte [r14 + 0x292]
mov ecx, 0x191
test al, al
je 0x14002781b
mov eax, dword [rsi + 0x158]
cmp eax, ecx
jne 0x1400277ca
cmp dword [r14 + 0x390], 2
je 0x1400277db
cmp eax, 0x197
jne 0x1400277ed
cmp dword [r14 + 0x394], 2
jne 0x1400277ed
mov byte [rsi + 0x1175], 1
mov al, byte [r14 + 0x292]
test al, al
je 0x14002781b
mov eax, dword [rsi + 0x158]
cmp eax, ecx
jne 0x140027803
cmp dword [r14 + 0x488], 1
je 0x140027814
jmp 0x14002781b
cmp eax, 0x197
jne 0x14002781b
cmp dword [r14 + 0x48c], 1
jne 0x14002781b
mov byte [rsi + 0x1175], 1
cmp dword [r14 + 0x488], 3
jne 0x140027838
cmp dword [rsi + 0x158], ecx
je 0x140027838
mov dword [r14 + 0x488], 4
cmp dword [r14 + 0x48c], 3
jne 0x140027859
cmp dword [rsi + 0x158], 0x197
je 0x140027859
mov dword [r14 + 0x48c], 4
mov eax, dword [rsi + 0x158]
sub eax, 0x64
cmp eax, 0x64
mov al, byte [rsi + 0x972]
sbb ebx, ebx
and ebx, 0x10
neg al
sbb ecx, ecx
neg ecx
add ecx, 2
or ebx, ecx
mov rcx, r12
call fcn.140011ed0
mov rcx, r12
mov r15, rax
call fcn.14000c550
mov r8, rax
mov r9, r15
mov edx, ebx
mov rcx, rsi
call fcn.14001e9b8
xor ebx, ebx
test eax, eax
jne 0x140027402
mov r9, qword [rsi + 0x108]
movsxd rcx, r15d
add qword [rsi + 0x11a0], rcx
add r9, rcx
mov qword [rsi + 0x108], r9
mov rcx, rsi
mov r8d, dword [rsi + 0x158]
call fcn.1400283bc
test al, al
jne 0x140027b10
lea eax, [r8 - 0x64]
cmp eax, 0x63
cmova r9, rbx
mov qword [rsi + 0x110], r9
call fcn.140025b68
test eax, eax
jne 0x140027402
cmp dword [rsi + 0x158], 0x12c
jl 0x140027a11
cmp byte [r14 + 0x29c], bl
jne 0x140027a01
cmp byte [r14 + 0x292], bl
jne 0x140027a01
cmp byte [r14 + 0x29d], bl
jne 0x140027a0a
movzx ecx, byte [rsi + 0x1058]
sub ecx, 1
je 0x14002794f
sub ecx, 1
je 0x14002794f
sub ecx, 1
je 0x14002794f
cmp ecx, 1
jne 0x140027a01
xor edx, edx
mov rcx, rsi
call fcn.1400157c0
cmp byte [rsi + 0x1bb], bl
jne 0x140027a01
cmp dword [rsi + 0x158], 0x1a1
jne 0x1400279a5
cmp byte [rsi + 0x1177], bl
je 0x1400279a5
mov rcx, qword [rsi + 0x1060]
mov byte [rsi + 0x1178], 1
call qword [fcn.140050cd0]
lea rdx, [rsi + 0xe8]
mov rcx, rsi
mov qword [rsi + 0x198], rax
call fcn.140021768
jmp 0x140027a01
cmp byte [rsi + 0x96e], bl
je 0x1400279c4
cmp dword [rsi + 0x170], ebx
jle 0x140027a01
or dword [rsi + 0x15c], 2
mov dword [rsi + 0x170], ebx
jmp 0x140027a01
mov edx, 2
mov rcx, r14
call fcn.14001f4a4
lea rdx, [rsi + 0xe8]
mov rcx, rsi
call fcn.140021768
test eax, eax
jne 0x140027402
mov byte [rsi + 0x1bb], 1
cmp byte [rsi + 0x1177], bl
je 0x140027a01
mov dword [rsi + 0x170], 3
cmp byte [r14 + 0x29d], bl
je 0x140027a11
or dword [rsi + 0x15c], 2
cmp byte [rdi], bl
je 0x140027aca
xor r13d, r13d
mov rcx, r12
call fcn.140018de0
mov rbx, qword [rsi + 0x148]
cmp byte [rbx], r13b
je 0x140027400
mov rdi, qword [rbp + 0x50]
mov rdi, qword [rdi]
mov r15, rdi
mov r8, rdi
jmp 0x14002734d
mov rax, qword [rbp - 0x18]
mov dword [rsi + 0x140], ebx
mov qword [rdi], rax
mov rax, qword [rbp - 0x10]
mov qword [rsi + 0x148], rax
jmp 0x140027400
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, rsi
call fcn.14001ea9c
jmp 0x140027ba9
lea rdx, str.Unsupported_HTTP_version_in_response
jmp 0x140027ba1
lea rdx, str.Unsupported_response_code_in_HTTP_response
jmp 0x140027ba1
xor eax, eax
mov dword [rsi + 0x174], 3
mov dword [rsi + 0x144], eax
mov byte [rsi + 0x1b9], 1
jmp 0x140027ba9
mov rcx, qword [rbp + 0x58]
cmp byte [rsi + 0x975], bl
je 0x140027add
mov byte [rcx], 1
mov al, 1
jmp 0x140027adf
mov al, byte [rcx]
cmp qword [rsi + 0xf0], rbx
jne 0x140027aed
mov byte [rcx], 1
jmp 0x140027af1
test al, al
je 0x140027af8
and dword [rsi + 0x15c], 0xfffffffe
mov r9, r15
mov r8, r13
mov edx, 1
mov rcx, rsi
call fcn.14001e9c0
jmp 0x140027400
lea rdx, str.The_requested_URL_returned_error:__d
call fcn.14001ea9c
mov eax, socket
jmp 0x140027402
mov r8, r15
mov rcx, r12
call fcn.140018d9c
xor edi, edi
test eax, eax
jne 0x140027402
cmp dword [rsi + 0x144], edi
jne 0x140027400
mov rcx, r12
call fcn.140011ed0
mov rcx, r12
mov rbx, rax
call fcn.14000c550
mov r8, rax
mov r9, rbx
mov rdx, r14
mov rcx, rsi
call fcn.140028014
lea ecx, [rdi + 2]
cmp eax, ecx
jne 0x140027400
mov dword [rsi + 0x140], ecx
mov edx, ecx
mov rcx, r14
mov byte [rsi + 0x1b9], dil
call fcn.14001f4a4
cmp byte [rsi + 0x98e], dil
jne 0x140027400
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rsi
call fcn.14001ea9c
mov eax, 1
jmp 0x140027402