Function at 0x180340c10
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 fcn.1803b0b70
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x180341456
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.1803225a0
test eax, eax
jne 0x180341366
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x180340d04
mov rcx, r14
call fcn.1801293f0
mov rcx, r14
mov rsi, rax
call fcn.18012a490
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x180340ce9
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.180337f70
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x180340cf6
mov r8, rsi
mov rcx, rbx
call fcn.1803401c0
mov ecx, eax
cmp ecx, 2
je 0x18034137b
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.18012a490
mov rcx, r14
mov r15, rax
call fcn.1801293f0
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x180341245
cmp cl, 0xd
je 0x180341245
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x18034110b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x180340f02
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x180340d93
nop dword [rax]
cmp al, 0x20
je 0x180340d88
cmp al, 9
jne 0x180340d93
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x180340d80
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.180393520
test eax, eax
jne 0x180340e39
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x180340e69
sub ecx, 1
je 0x180340dcd
cmp ecx, 1
jne 0x1803413af
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x180340dd9
cmp al, 9
jne 0x180340e39
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 0x180340e39
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x180340e39
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x180340e39
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 0x180340fe5
sub al, 9
cmp al, 4
jbe 0x180340fe5
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.1803401c0
cmp eax, 1
jne 0x1803413fb
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x180340fe5
cmp byte [rdi + 6], 0x2e
jne 0x180340ee9
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x180340ee9
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x180340e86
cmp al, 9
jne 0x180340ee9
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x180340ee9
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x180340ee9
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x180340ee9
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 0x180340fe5
cmp al, 9
je 0x180340fe5
sub al, 0xa
cmp al, 3
jbe 0x180340fe5
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.1803300d0
mov eax, 1
jmp 0x180341366
bt ecx, 0x12
jae 0x1803413fb
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x180340f2a
cmp al, 0x20
je 0x180340f1f
cmp al, 9
jne 0x180340f2a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x180340f17
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.180393520
test eax, eax
jne 0x1803413fb
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x1803414f6
cmp byte [rdi + 6], 0x2e
jne 0x1803414f6
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x1803414f6
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x180340f7d
cmp al, 9
jne 0x1803414f6
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1803414f6
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1803414f6
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1803414f6
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 0x180340fdb
cmp al, 9
je 0x180340fdb
sub al, 0xa
cmp al, 3
ja 0x1803414f6
mov dword [rbx + 0x138], reloc.WS2_32.dll_inet_addr
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x180340ffd
cmp ecx, 1
jne 0x1803413c5
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 0x18034103d
cmp eax, dword [rbx + 0x138]
jle 0x18034104a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x18034106f
cmp byte [rbx + 0x12f2], sil
jne 0x18034106f
cmp dword [rbx + 0x13c], 0x1a0
jne 0x18034106f
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x180341098
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.1803301c0
mov edx, 1
mov rcx, r13
call fcn.180332df0
jmp 0x1803410bc
cmp eax, 0x14
je 0x1803410af
cmp dword [rbx + 0x144], 2
jne 0x1803410bc
cmp dword [rbx + 0x13c], 0x65
jne 0x1803410bc
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 0x1803410ee
cmp ecx, 0x64
jne 0x180341103
cmp byte [rbx + 0x530], sil
je 0x1803410ee
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.18012a490
mov rcx, rsi
mov r14, rax
call fcn.1801293f0
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1803b0b70
test rax, rax
jne 0x180341422
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x180341172
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x180341154
cmp cl, 9
jne 0x180341159
cmp edx, 2
jg 0x180341172
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1803b0b70
test rax, rax
je 0x180341407
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.18033e650
test eax, eax
jne 0x180341366
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.18032fff0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x1803411ad
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.1803311c0
test eax, eax
jne 0x180341366
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x18034120d
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 0x180341208
cmp ecx, 0x5dc000
jbe 0x18034121a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x180341211
lea r8, [rdx + rbp]
test r8, r8
jne 0x18034143d
lea rcx, [rbx + 0xca0]
call fcn.180322600
test r12, r12
je 0x180341347
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x180340c47
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.18032fff0
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.1803311c0
test eax, eax
jne 0x180341366
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x1803412d4
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 0x1803412cf
cmp r8d, 0x5dc000
jbe 0x1803412e1
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x1803412d8
lea r8, [rcx + rbp]
test r8, r8
jne 0x18034143d
lea rcx, [rbx + 0xca0]
call fcn.180322600
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x180341303
mov eax, dword [rbx + 0x120]
jmp 0x180341305
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.180340300
test eax, eax
jne 0x180341366
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 0x180341347
test r12, r12
jne 0x180340c47
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x180341364
test bpl, bpl
jne 0x180341364
lea rcx, [rbx + 0xca0]
call fcn.1803225b0
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.180332df0
cmp byte [r13 + 0x778], 0xa
jae 0x1803414e7
cmp byte [rbx + 0xac9], 0
je 0x1803414ce
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x18034134a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.1803300d0
mov eax, 1
jmp 0x180341366
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.1803300d0
mov eax, 1
jmp 0x180341366
mov byte [rbx + 0x1d1], sil
jmp 0x180341347
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.1803300d0
mov eax, edi
jmp 0x180341366
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.1803300d0
mov eax, edi
jmp 0x180341366
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.1803300d0
mov eax, reloc.WS2_32.dll_getservbyport
jmp 0x180341366
mov r8, r12
call fcn.1803225a0
test eax, eax
jne 0x180341366
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x180341347
mov rcx, r14
call fcn.1801293f0
mov rcx, r14
mov rdi, rax
call fcn.18012a490
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.180340290
cmp eax, 2
jne 0x180341347
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.180332df0
cmp byte [r13 + 0x778], 0xa
jae 0x1803414e7
cmp byte [rbx + 0xac9], 0
je 0x1803414ce
mov bpl, 1
jmp 0x18034134a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.1803300d0
mov eax, 1
jmp 0x180341366
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.1803300d0
mov eax, 8
jmp 0x180341366