Function at 0x1403d8550
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
mov qword [rsp + 0x20], rbp
push rsi
push rdi
push r14
sub rsp, 0x1a0
mov rax, qword [0x14064a080]
xor rax, rsp
mov qword [rsp + 0x190], rax
mov r14, qword [rcx + 0x10]
lea rax, str.octet
xor edi, edi
lea rsi, str.netascii
mov rbx, rcx
cmp byte [r14 + 0x1298], dil
cmove rsi, rax
cmp edx, 7
ja case.0x1403d85b7.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x3d8ad8]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1403d85d8
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1403d8aae
mov rax, qword [rbx + 0x158]
cmp byte [r14 + 0x129d], dil
mov byte [rax], dil
mov rax, qword [rbx + 0x158]
je 0x1403d860d
mov byte [rax + 1], 2
mov rdx, qword [r14 + 0x10c8]
cmp rdx, 0xffffffffffffffff
je 0x1403d8611
mov rcx, r14
call fcn.1403ce240
jmp 0x1403d8611
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r8, [rsp + 0x40]
xor r9d, r9d
mov dword [rsp + 0x20], 4
xor edx, edx
mov rcx, qword [rax + 0x1118]
inc rcx
call fcn.1403c3ef0
mov edi, eax
test eax, eax
jne 0x1403d8aae
movsxd rdx, dword [rbx + 0x144]
mov rbp, 0xffffffffffffffff
mov rax, rbp
inc rax
cmp byte [rsi + rax], 0
jne 0x1403d8651
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rbp
sub rcx, 4
nop dword [rax]
inc rax
cmp byte [r9 + rax], 0
jne 0x1403d8670
cmp rax, rcx
jbe 0x1403d86a3
lea rdx, str.TFTP_file_name_too_long
mov rcx, r14
call fcn.1403bb0c0
mov rcx, qword [rsp + 0x40]
call qword [str.8NK_]
mov eax, 0x47
jmp 0x1403d8aae
mov rcx, qword [rbx + 0x158]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], rsi
mov qword [rsp + 0x20], 0
call fcn.1403c16c0
mov rcx, rbp
inc rcx
cmp byte [rsi + rcx], 0
jne 0x1403d86d4
mov rdx, qword [rsp + 0x40]
mov rax, rbp
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d86e5
lea rsi, [rax + 4]
add rsi, rcx
cmp byte [r14 + 0xa34], 0
jne 0x1403d89f7
cmp byte [r14 + 0x129d], 0
je 0x1403d8733
mov r9, qword [r14 + 0x10c8]
cmp r9, rbp
je 0x1403d8733
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c16c0
jmp 0x1403d873d
mov eax, gethostbyaddr
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 6]
cmp r8, rax
jbe 0x1403d8790
mov r9d, dword [rbx + 0x148]
lea r8, [0x1405e4904]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c16c0
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405e4904]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c16c0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d8686
mov rdx, qword [rbx + 0x158]
lea rcx, str.tsize
add rdx, rsi
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d87a1
mov rsi, r8
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d87c0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d87e5
mov edi, 0x47
jmp 0x1403d8831
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, rsi
nop dword [rax]
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d8800
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1403d8820
inc rsi
add rsi, rax
xor edi, edi
mov r9d, dword [rbx + 0x148]
lea r8, [0x1405e4904]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c16c0
test edi, edi
jne 0x1403d8911
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
jbe 0x1403d886d
mov edi, 0x47
jmp 0x1403d8896
mov rdx, qword [rbx + 0x158]
lea rcx, str.blksize
add rdx, rsi
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d8880
mov rsi, r8
xor edi, edi
test edi, edi
jne 0x1403d8911
lea rcx, [rsp + 0x50]
mov rax, rbp
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d88a2
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d88c7
mov edi, 0x47
jmp 0x1403d8911
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, rsi
nop word [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d88e0
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1403d8900
inc rsi
add rsi, rax
xor edi, edi
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405e4904]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c16c0
test edi, edi
jne 0x1403d89eb
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1403d89eb
mov rdx, qword [rbx + 0x158]
lea rcx, str.timeout
add rdx, rsi
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d8960
mov rsi, r8
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d8980
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d89a5
mov edi, 0x47
jmp 0x1403d89e7
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, rsi
nop dword [rax]
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d89c0
lea rax, [rsp + 0x50]
inc rbp
cmp byte [rax + rbp], 0
jne 0x1403d89d6
inc rsi
add rsi, rbp
xor edi, edi
test edi, edi
je 0x1403d89f7
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d8686
mov rax, qword [r14 + 0x20]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov r8d, esi
mov rax, qword [rax + 0x38]
lea rdx, [rax + 0x10]
mov eax, dword [rax + 0xc]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rdx
mov rdx, qword [rbx + 0x158]
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, rsi
je 0x1403d8a5b
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0x90]
mov ecx, eax
call fcn.1403a2f20
mov r8, rax
lea rdx, [0x1405e4908]
mov rcx, r14
call fcn.1403bb0c0
mov rcx, qword [rsp + 0x40]
call qword [str.8NK_]
jmp 0x1403d8aac
mov rcx, rbx
cmp byte [r14 + 0x129d], dil
je 0x1403d8a8c
call fcn.1403d7cc0
mov edi, eax
jmp 0x1403d8aac
mov rcx, rbx
call fcn.1403d7cc0
mov edi, eax
jmp 0x1403d8aac
mov rcx, rbx
call fcn.1403d7c70
mov edi, eax
jmp 0x1403d8aac
mov dword [rbx], 3
jmp 0x1403d8aac
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r14
call fcn.1403bb0c0
mov eax, edi
mov rcx, qword [rsp + 0x190]
xor rcx, rsp
call fcn.1404a5b80
lea r11, [rsp + 0x1a0]
mov rbx, qword [r11 + 0x30]
mov rbp, qword [r11 + 0x38]
mov rsp, r11
pop r14
pop rdi
pop rsi
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x1403d8c67
sub r8d, 1
je 0x1403d8c5e
sub r8d, 1
je 0x1403d8c55
lea rdx, [0x1405e4908]
mov rcx, r9
cmp r8d, 1
je 0x1403d8c42
lea r8, str.Internal_state_machine_error
call fcn.1403bb0c0
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1403bb1b0
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1403d8db0
add rsp, 0x28
jmp fcn.1403d8210
add rsp, 0x28
jmp 0x1403d8550