Function at 0x140263530
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
sub rsp, 0x70
mov rax, qword [r8]
mov rbx, rcx
mov rcx, qword [rcx + 0x138]
mov r15, r8
mov r13, rdx
mov qword [rsp + 0x58], rax
mov qword [rsp + 0x60], rcx
mov rdi, rcx
lea r12, [rbx + 0xc78]
mov r14, rcx
mov rsi, rax
mov rbp, rax
mov r8, rax
mov edx, 0xa
mov qword [rsp + 0xb0], r14
call sub.VCRUNTIME140.dll_memchr
mov rcx, rax
mov rdx, r14
test rax, rax
je 0x1402642c1
lea r8, [rcx + 1]
sub rdi, rax
lea rax, [rsi - 1]
mov rcx, r12
add rax, rdi
xor ebp, ebp
mov qword [r15], rax
mov qword [rbx + 0x138], r8
sub r8, r14
call fcn.140242f00
test eax, eax
jne 0x1402637b7
cmp dword [rbx + 0x134], eax
jne 0x140263644
mov rcx, r12
call fcn.140081b60
mov rcx, r12
mov rsi, rax
call fcn.140081b70
mov rcx, qword [r13 + 0x2e8]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14026362e
cmp rsi, 5
mov ecx, 5
mov edi, ebp
cmova rsi, rcx
setae dil
mov r8, rsi
lea rcx, str.RTSP_
call fcn.1402594f0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x14026363b
mov r8, rsi
mov rcx, rbx
call fcn.140264590
mov ecx, eax
cmp ecx, 2
je 0x1402640ce
mov rcx, r12
call fcn.140081b70
mov r15, rax
movzx ecx, byte [rax]
cmp cl, 0xa
je 0x140263a50
cmp cl, 0xd
je 0x140263a50
mov edx, dword [rbx + 0x134]
mov esi, 2
lea ecx, [rdx + 1]
mov dword [rbx + 0x134], ecx
test edx, edx
jne 0x14026395d
mov rax, qword [r13 + 0x2e8]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x14026382d
lea rax, [rsp + 0xb0]
mov byte [rsp + 0xb0], dl
mov qword [rsp + 0x30], rax
lea r14, [rbx + 0x148]
lea rax, [rsp + 0x40]
mov qword [rsp + 0x28], r14
lea r9, [rsp + 0x44]
mov qword [rsp + 0x20], rax
lea r8, [rsp + 0x48]
mov dword [rsp + 0x44], ebp
lea rdx, str._HTTP__1d._1d_c_3d_c
mov rcx, r15
call fcn.140094a60
mov edi, eax
cmp eax, 1
jne 0x140263717
cmp dword [rsp + 0x48], esi
jl 0x140263717
mov r9, r14
lea r8, [rsp + 0x4c]
lea rdx, str._HTTP__1_23___d
mov rcx, r15
call fcn.140094a60
cmp eax, esi
jne 0x140263717
mov byte [r13 + 0x6ff], 0
lea edi, [rsi + 2]
mov byte [rsp + 0x40], 0x20
jmp 0x140263747
movzx eax, byte [rsp + 0xb0]
sub al, 0x30
cmp al, 9
jbe 0x14026418b
cmp edi, 4
jl 0x1402637cf
cmp dword [r14], 0x64
jl 0x14026418b
cmp byte [rsp + 0x40], 0x20
jne 0x140264172
mov eax, dword [rsp + 0x48]
lea ecx, [rax + rax*4]
mov eax, dword [rsp + 0x44]
lea r8d, [rax + rcx*2]
mov ecx, r8d
mov dword [rsp + 0x44], r8d
sub ecx, 0xa
je 0x14026376c
cmp ecx, 1
jne 0x140264127
lea rsi, [r13 + 0x6ff]
mov byte [rsi], r8b
cmp dword [rbx + 0x164], 3
jne 0x140263794
cmp r8b, 0x14
je 0x140263794
lea rdx, str.Lying_server__not_serving_HTTP_2
mov rcx, rbx
call fcn.140255320
cmp byte [rsi], 0x14
jae 0x1402637a6
mov rax, qword [r13 + 0x6c0]
mov dword [rax], 0xffffffff
test edi, edi
jne 0x140263884
mov byte [rbx + 0x1b2], 0
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
test edi, edi
jne 0x140264172
mov r8, r14
lea rdx, str._HTTP__3d
mov rcx, r15
call fcn.140094a60
lea rsi, [r13 + 0x6ff]
mov byte [rsi], 0xa
test eax, eax
jne 0x140263884
mov rcx, r12
call fcn.140081b60
mov rcx, r12
mov rdi, rax
call fcn.140081b70
mov rdx, rax
mov r8, rdi
mov rcx, rbx
call fcn.140264590
cmp eax, 1
jne 0x1402637ae
mov dword [r14], 0xc8
mov byte [rsi], 0xa
jmp 0x140263884
bt ecx, 0x12
jae 0x1402637ae
lea rax, [rsp + 0x41]
mov rcx, r15
lea r14, [rbx + 0x148]
mov qword [rsp + 0x28], r14
lea r9, [rsp + 0x50]
lea r8, [rsp + 0x54]
mov qword [rsp + 0x20], rax
lea rdx, str._RTSP__1d._1d_c_3d
call fcn.140094a60
cmp eax, 4
jne 0x1402637ae
cmp byte [rsp + 0x41], 0x20
jne 0x1402637ae
lea rsi, [r13 + 0x6ff]
mov byte [rsi], reloc.WS2_32.dll_inet_addr
mov edx, dword [r14]
movzx ecx, byte [rbx + 0x1151]
mov dword [rbx + 0x1358], edx
movzx eax, byte [rsi]
mov dword [rbx + 0x1360], eax
movzx eax, byte [rsi]
test cl, cl
je 0x1402638a8
cmp cl, al
jbe 0x1402638ae
mov byte [rbx + 0x1151], al
cmp qword [rbx + 0x1160], 0
je 0x1402638d0
cmp byte [rbx + 0x11d8], 0
jne 0x1402638d0
cmp edx, 0x1a0
jne 0x1402638d0
mov byte [rbx + 0x1b5], 1
movzx eax, byte [rsi]
cmp al, 0xa
jne 0x1402638f5
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.140255320
mov edx, 1
mov rcx, r13
call fcn.140256290
jmp 0x140263914
cmp al, 0x14
je 0x140263907
cmp dword [rbx + 0x164], 2
jne 0x140263914
cmp edx, 0x65
jne 0x140263914
mov rax, qword [r13 + 0x6c0]
mov dword [rax], 2
mov ecx, dword [r14]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rbx + 0x1b6], al
sub ecx, 0xcc
je 0x140263943
cmp ecx, 0x64
jne 0x140263958
cmp byte [rbx + 0x518], 0
je 0x140263943
mov byte [rbx + 0x143c], 1
mov qword [rbx + 0xe8], rbp
mov qword [rbx + 0xf0], rbp
mov byte [rbx + 0x1b6], 1
mov esi, 6
mov rcx, r12
call fcn.140081b70
mov rcx, r12
mov rdi, rax
call fcn.140081b60
mov r8, rax
xor edx, edx
mov rcx, rdi
mov rbp, rax
call sub.VCRUNTIME140.dll_memchr
test rax, rax
jne 0x1402641bf
mov edx, dword [rbx + 0x134]
cmp edx, 2
jl 0x1402639bf
movzx ecx, byte [rdi]
cmp cl, 0x20
je 0x1402639a1
cmp cl, 9
jne 0x1402639a6
cmp edx, 2
jg 0x1402639bf
mov r8, rbp
mov edx, 0x3a
mov rcx, rdi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x1402641a4
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.140262520
test eax, eax
jne 0x1402637b7
cmp byte [rbx + 0xa92], al
je 0x1402639e0
or esi, 1
mov edi, dword [rbx + 0x148]
mov rcx, r12
call fcn.140081b60
mov r9, rax
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.140255150
mov rcx, r12
call fcn.140081b60
mov edx, esi
mov r9, rax
or edx, 0x10
lea eax, [rdi - 0x64]
cmp eax, 0x64
mov r8, r15
mov rcx, rbx
cmovae edx, esi
call fcn.1402553c0
test eax, eax
jne 0x1402637b7
mov rcx, r12
call fcn.140081b60
add qword [rbx + 0x1370], rax
mov rcx, r12
call fcn.140081b60
add qword [rbx + 0x108], rax
jmp 0x14026409a
mov ecx, dword [rbx + 0x148]
lea eax, [rcx - 0x64]
cmp eax, 0x63
ja 0x140263ae7
sub ecx, 0x64
je 0x140263aad
cmp ecx, 1
je 0x140263a89
lea r15, [rbx + 0x1b2]
mov dword [rbx + 0x134], ebp
mov byte [r15], 1
lea rsi, [rbx + 0xe8]
jmp 0x140263b56
cmp dword [rbx + 0x164], 2
je 0x1402641da
lea r15, [rbx + 0x1b2]
mov byte [r15], 0
lea rsi, [rbx + 0xe8]
jmp 0x140263b56
cmp dword [rbx + 0x160], 0
lea r15, [rbx + 0x1b2]
mov byte [r15], 1
mov dword [rbx + 0x134], ebp
jle 0x140263ade
or dword [rbx + 0x14c], 2
xor edx, edx
mov rcx, rbx
mov dword [rbx + 0x160], ebp
call fcn.140243850
lea rsi, [rbx + 0xe8]
jmp 0x140263b56
lea rdi, [rbx + 0x1b2]
lea rsi, [rbx + 0xe8]
mov byte [rdi], 0
cmp qword [rsi], 0xffffffffffffffff
mov r15, rdi
jne 0x140263b56
cmp byte [rbx + 0x1b7], 0
jne 0x140263b56
cmp byte [r13 + 0x2ce], 0
jne 0x140263b56
cmp byte [r13 + 0x6ff], 0xb
jne 0x140263b56
mov rax, qword [r13 + 0x2e8]
test dword [rax + 0x84], 0x40000
jne 0x140263b56
cmp byte [rbx + 0x11d8], 5
je 0x140263b56
lea rdx, str.no_chunk__no_close__no_size._Assume_close_to_signal_end
mov rcx, rbx
call fcn.140255320
mov edx, 2
mov rcx, r13
call fcn.140256290
cmp byte [r15], 0
jne 0x140263bac
cmp byte [rbx + 0x1b8], 0
jne 0x140263b9d
cmp byte [rsi + 0xcf], 0
jne 0x140263b9d
mov rdx, qword [rsi]
cmp rdx, 0xffffffffffffffff
je 0x140263bac
mov rax, qword [rbx + 0x6d8]
test rax, rax
je 0x140263b8c
cmp rdx, rax
jg 0x14026420a
mov rcx, rbx
call fcn.140265250
mov rax, qword [rsi]
mov qword [rsi + 8], rax
jmp 0x140263bac
mov qword [rsi + 8], 0xffffffffffffffff
mov qword [rsi], 0xffffffffffffffff
cmp byte [r13 + 0x2ce], 0
je 0x140263c44
mov eax, dword [rbx + 0x148]
cmp eax, 0x191
jne 0x140263bd3
cmp dword [r13 + 0x3b0], 2
je 0x140263be4
jmp 0x140263bfa
cmp eax, 0x197
jne 0x140263bfa
cmp dword [r13 + 0x3b4], 2
jne 0x140263bfa
lea rdx, str.Connection_closure_while_negotiating_auth__HTTP_1.0__
mov rcx, rbx
call fcn.140255320
mov byte [rbx + 0x12f5], 1
cmp byte [r13 + 0x2ce], 0
je 0x140263c44
mov eax, dword [rbx + 0x148]
cmp eax, 0x191
jne 0x140263c1d
cmp dword [r13 + 0x4a8], 1
je 0x140263c2e
jmp 0x140263c44
cmp eax, 0x197
jne 0x140263c44
cmp dword [r13 + 0x4ac], 1
jne 0x140263c44
lea rdx, str.Connection_closure_while_negotiating_auth__HTTP_1.0__
mov rcx, rbx
call fcn.140255320
mov byte [rbx + 0x12f5], 1
cmp dword [r13 + 0x4a8], 3
jne 0x140263c65
cmp dword [rbx + 0x148], 0x191
je 0x140263c65
mov dword [r13 + 0x4a8], 4
cmp dword [r13 + 0x4ac], 3
jne 0x140263c86
cmp dword [rbx + 0x148], 0x197
je 0x140263c86
mov dword [r13 + 0x4ac], 4
mov eax, dword [rbx + 0x148]
mov rcx, r12
sub eax, 0x64
cmp eax, 0x64
mov eax, ebp
sbb edi, edi
and edi, 0x10
cmp byte [rbx + 0xa92], 0
setne al
add eax, 2
or edi, eax
call fcn.140081b60
lea rcx, [rbx + 0xc78]
mov r12, rax
call fcn.140081b70
mov r8, rax
mov r9, r12
mov edx, edi
mov rcx, rbx
call fcn.1402553c0
test eax, eax
jne 0x1402637b7
mov rdx, qword [rbx + 0x108]
movsxd rcx, r12d
add qword [rbx + 0x1370], rcx
add rdx, rcx
mov qword [rbx + 0x108], rdx
mov rcx, rbx
mov r8d, dword [rbx + 0x148]
call fcn.1402649b0
test al, al
jne 0x1402642ab
mov rsi, qword [rbx + 0x18]
lea eax, [r8 - 0x64]
cmp eax, 0x63
mov eax, 0xffffffff
cmova rdx, rbp
xor bpl, bpl
mov qword [rbx + 0x110], rdx
xor r14b, r14b
mov rcx, qword [rbx + 0x910]
xor edi, edi
test rcx, rcx
mov edx, 0xffffffbf
cmovne edx, eax
lea eax, [r8 - 0x64]
cmp eax, 0x63
jbe 0x140263f24
cmp byte [rbx + 0x12f5], dil
je 0x140263d67
movzx eax, byte [rbx + 0xa8d]
neg al
sbb edi, edi
and edi, 0x16
jmp 0x140263f1c
cmp qword [rbx + 0x12d0], rdi
jne 0x140263d75
test rcx, rcx
je 0x140263ddf
cmp r8d, 0x191
je 0x140263d90
cmp byte [rsi + 0x2d8], dil
je 0x140263ddf
cmp r8d, 0x12c
jge 0x140263ddf
lea rcx, [rbx + 0xdc0]
call fcn.140264d70
movzx ebp, al
test al, al
jne 0x140263daa
mov byte [rbx + 0x12f5], 1
cmp dword [rbx + 0xdc4], 8
jne 0x140263ddf
cmp byte [rsi + 0x6ff], 0xb
jbe 0x140263ddf
lea rdx, str.Forcing_HTTP_1.1_for_NTLM
mov rcx, rbx
call fcn.140255320
mov edx, 1
mov rcx, rsi
call fcn.140256290
mov byte [rbx + 0x1150], 2
cmp byte [rsi + 0x2ca], dil
je 0x140263e25
mov eax, dword [rbx + 0x148]
cmp eax, 0x197
je 0x140263e05
cmp byte [rsi + 0x2d8], dil
je 0x140263e25
cmp eax, 0x12c
jge 0x140263e25
lea rcx, [rbx + 0xdd0]
mov edx, 0xffffffbf
call fcn.140264d70
movzx r14d, al
test al, al
jne 0x140263e25
mov byte [rbx + 0x12f5], 1
test bpl, bpl
jne 0x140263e96
test r14b, r14b
jne 0x140263e96
cmp dword [rbx + 0x148], 0x12c
jge 0x140263ef8
cmp byte [rbx + 0xdcc], dil
jne 0x140263ef8
cmp byte [rsi + 0x2d8], dil
je 0x140263ef8
movzx eax, byte [rbx + 0x11d8]
test al, al
je 0x140263ef8
cmp al, 5
je 0x140263ef8
mov rcx, qword [rbx + 0x11e0]
call qword [case.0x140249368.0]
mov qword [rbx + 0x188], rax
test rax, rax
je 0x140264223
mov byte [rbx + 0xdcc], 1
jmp 0x140263ef8
movzx eax, byte [rbx + 0x11d8]
test al, al
je 0x140263ec3
cmp al, 5
je 0x140263ec3
cmp byte [rbx + 0x1303], dil
jne 0x140263ec3
mov rdx, rsi
mov rcx, rbx
call fcn.1402647d0
mov edi, eax
test eax, eax
jne 0x140264228
mov rcx, qword [rbx + 0x188]
call qword [fcn.14029b9f0]
mov rcx, qword [rbx + 0x11e0]
mov qword [rbx + 0x188], 0
call qword [case.0x140249368.0]
mov qword [rbx + 0x188], rax
test rax, rax
je 0x140264223
mov rcx, rbx
call fcn.1402649b0
test al, al
je 0x140263f1c
mov r8d, dword [rbx + 0x148]
lea rdx, str.The_requested_URL_returned_error:__d
call fcn.140255230
mov edi, reloc.WS2_32.dll_shutdown
test edi, edi
jne 0x140264228
cmp dword [rbx + 0x148], 0x12c
jl 0x140264089
cmp byte [r13 + 0x2d8], 0
jne 0x140264060
cmp byte [r13 + 0x2ce], 0
jne 0x140264060
cmp byte [rbx + 0x1303], 0
jne 0x140264069
movzx ecx, byte [rbx + 0x11d8]
sub ecx, 1
je 0x140263f7c
sub ecx, 1
je 0x140263f7c
sub ecx, 1
je 0x140263f7c
cmp ecx, 1
jne 0x140264060
xor edx, edx
mov rcx, rbx
call fcn.140243850
cmp byte [rbx + 0x1b4], 0
jne 0x140264060
cmp dword [rbx + 0x148], 0x1a1
jne 0x140263fe3
cmp byte [rbx + 0x12f7], 0
je 0x140263fe3
lea rdx, str.Got_417_while_waiting_for_a_100
mov rcx, rbx
call fcn.140255320
mov rcx, qword [rbx + 0x11e0]
mov byte [rbx + 0x12f8], 1
call qword [case.0x140249368.0]
lea rdx, [rbx + 0xe8]
mov rcx, rbx
mov qword [rbx + 0x188], rax
call fcn.14025bd20
jmp 0x140264060
cmp byte [rbx + 0xa8e], 0
mov rcx, rbx
je 0x140264017
lea rdx, str.HTTP_error_before_end_of_send__keep_sending
call fcn.140255320
cmp dword [rbx + 0x160], 0
jle 0x140264060
or dword [rbx + 0x14c], 2
mov dword [rbx + 0x160], 0
jmp 0x140264060
lea rdx, str.HTTP_error_before_end_of_send__stop_sending
call fcn.140255320
mov edx, 2
mov rcx, r13
call fcn.140256290
lea rdx, [rbx + 0xe8]
mov rcx, rbx
call fcn.14025bd20
test eax, eax
jne 0x1402637b7
mov byte [rbx + 0x1b4], 1
cmp byte [rbx + 0x12f7], al
je 0x140264060
mov dword [rbx + 0x160], 3
cmp byte [rbx + 0x1303], 0
je 0x140264089
cmp qword [r13 + 0x310], 0xffffffffffffffff
je 0x140264089
lea rdx, str.Keep_sending_data_to_get_tossed_away
mov rcx, rbx
call fcn.140255320
or dword [rbx + 0x14c], 2
cmp byte [r15], 0
je 0x14026422f
lea r12, [rbx + 0xc78]
mov rcx, r12
call fcn.140242f60
mov rdi, qword [rbx + 0x138]
cmp byte [rdi], 0
je 0x1402637b5
mov r15, qword [rsp + 0xc0]
mov r14, rdi
mov rcx, rdi
mov rsi, qword [r15]
mov rbp, rsi
mov r8, rsi
jmp 0x140263581
mov edx, 2
mov rcx, r13
call fcn.140256290
cmp byte [rbx + 0xab1], 0
je 0x140264331
mov byte [rbx + 0x1b2], 0
cmp qword [r15], 0
je 0x140264104
mov dword [rbx + 0x130], 1
jmp 0x1402637b5
mov rax, qword [rsp + 0x58]
mov dword [rbx + 0x130], 2
mov qword [r15], rax
mov rax, qword [rsp + 0x60]
mov qword [rbx + 0x138], rax
jmp 0x1402637b5
mov r9d, r8d
mov eax, 0x66666667
imul r8d
mov eax, 0x66666667
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add edx, ecx
lea ecx, [rdx + rdx*4]
imul r8d
add ecx, ecx
sar edx, 2
sub r9d, ecx
mov r8d, edx
mov rcx, rbx
shr r8d, 0x1f
add r8d, edx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
call fcn.140255230
mov eax, 1
jmp 0x1402637b7
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.140255230
mov eax, 1
jmp 0x1402637b7
lea rdx, str.Unsupported_response_code_in_HTTP_response
mov rcx, rbx
call fcn.140255230
mov eax, 1
jmp 0x1402637b7
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.140255230
mov eax, edi
jmp 0x1402637b7
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.140255230
mov eax, edi
jmp 0x1402637b7
lea rdx, str.Received_101__Switching_to_HTTP_2
mov rcx, rbx
call fcn.140255320
mov eax, 1
mov dword [rbx + 0x164], 3
mov byte [rbx + 0x1b2], 1
mov dword [rbx + 0x134], ebp
jmp 0x1402637b7
lea rdx, str.Maximum_file_size_exceeded
mov rcx, rbx
call fcn.140255230
mov eax, 0x3f
jmp 0x1402637b7
mov edi, 0x1b
mov eax, edi
jmp 0x1402637b7
cmp byte [rbx + 0x1bc], 0
jne 0x14026425e
mov rax, qword [r13 + 0x2e8]
test dword [rax + 0x84], 0x40000
je 0x14026426b
cmp dword [rbx + 0x9e0], 2
jne 0x14026426b
cmp qword [rbx + 0xe8], 0xffffffffffffffff
jg 0x14026426b
mov rax, qword [rsp + 0xc8]
mov byte [rax], 1
jmp 0x140264273
mov rax, qword [rsp + 0xc8]
cmp qword [rbx + 0xf0], 0
jne 0x140264282
mov byte [rax], 1
jmp 0x140264287
cmp byte [rax], 0
je 0x14026428e
and dword [rbx + 0x14c], 0xfffffffe
mov r8, qword [rsp + 0xb0]
mov r9, r12
mov edx, 1
mov rcx, rbx
call fcn.140255150
jmp 0x1402637b5
lea rdx, str.The_requested_URL_returned_error:__d
call fcn.140255230
mov eax, reloc.WS2_32.dll_shutdown
jmp 0x1402637b7
mov r8, rbp
mov rcx, r12
call fcn.140242f00
test eax, eax
jne 0x1402637b7
cmp dword [rbx + 0x134], eax
jne 0x1402637b5
mov rcx, r12
call fcn.140081b60
mov rcx, r12
mov rdi, rax
call fcn.140081b70
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.140264660
cmp eax, 2
jne 0x1402637b5
mov edx, eax
mov byte [rbx + 0x1b2], 0
mov rcx, r13
mov dword [rbx + 0x130], eax
call fcn.140256290
cmp byte [rbx + 0xab1], 0
jne 0x1402637b5
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.140255230
mov eax, 1
jmp 0x1402637b7