Function at 0x1403d7980
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 [0x140648080]
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.0x1403d7337.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x3d7858]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1403d7358
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1403d782e
mov rax, qword [rbx + 0x158]
cmp byte [r14 + 0x129d], dil
mov byte [rax], dil
mov rax, qword [rbx + 0x158]
je 0x1403d738d
mov byte [rax + 1], 2
mov rdx, qword [r14 + 0x10c8]
cmp rdx, 0xffffffffffffffff
je 0x1403d7391
mov rcx, r14
call fcn.1403ccfc0
jmp 0x1403d7391
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.1403c2c70
mov edi, eax
test eax, eax
jne 0x1403d782e
movsxd rdx, dword [rbx + 0x144]
mov rbp, 0xffffffffffffffff
mov rax, rbp
inc rax
cmp byte [rsi + rax], 0
jne 0x1403d73d1
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 0x1403d73f0
cmp rax, rcx
jbe 0x1403d7423
lea rdx, str.TFTP_file_name_too_long
mov rcx, r14
call fcn.1403b9e40
mov rcx, qword [rsp + 0x40]
call qword [fcn.1404b3bb8]
mov eax, 0x47
jmp 0x1403d782e
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.1403c0440
mov rcx, rbp
inc rcx
cmp byte [rsi + rcx], 0
jne 0x1403d7454
mov rdx, qword [rsp + 0x40]
mov rax, rbp
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d7465
lea rsi, [rax + 4]
add rsi, rcx
cmp byte [r14 + 0xa34], 0
jne 0x1403d7777
cmp byte [r14 + 0x129d], 0
je 0x1403d74b3
mov r9, qword [r14 + 0x10c8]
cmp r9, rbp
je 0x1403d74b3
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c0440
jmp 0x1403d74bd
mov eax, gethostbyaddr
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 6]
cmp r8, rax
jbe 0x1403d7510
mov r9d, dword [rbx + 0x148]
lea r8, [0x1405e2c44]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c0440
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405e2c44]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c0440
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d7406
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 0x1403d7521
mov rsi, r8
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d7540
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d7565
mov edi, 0x47
jmp 0x1403d75b1
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 0x1403d7580
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1403d75a0
inc rsi
add rsi, rax
xor edi, edi
mov r9d, dword [rbx + 0x148]
lea r8, [0x1405e2c44]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c0440
test edi, edi
jne 0x1403d7691
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
jbe 0x1403d75ed
mov edi, 0x47
jmp 0x1403d7616
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 0x1403d7600
mov rsi, r8
xor edi, edi
test edi, edi
jne 0x1403d7691
lea rcx, [rsp + 0x50]
mov rax, rbp
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d7622
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d7647
mov edi, 0x47
jmp 0x1403d7691
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 0x1403d7660
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1403d7680
inc rsi
add rsi, rax
xor edi, edi
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405e2c44]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403c0440
test edi, edi
jne 0x1403d776b
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1403d776b
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 0x1403d76e0
mov rsi, r8
lea rcx, [rsp + 0x50]
mov rax, rbp
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d7700
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, rsi
cmp rcx, rax
jbe 0x1403d7725
mov edi, 0x47
jmp 0x1403d7767
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 0x1403d7740
lea rax, [rsp + 0x50]
inc rbp
cmp byte [rax + rbp], 0
jne 0x1403d7756
inc rsi
add rsi, rbp
xor edi, edi
test edi, edi
je 0x1403d7777
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d7406
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 0x1403d77db
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0x90]
mov ecx, eax
call fcn.1403a1ca0
mov r8, rax
lea rdx, [0x1405e2c48]
mov rcx, r14
call fcn.1403b9e40
mov rcx, qword [rsp + 0x40]
call qword [fcn.1404b3bb8]
jmp 0x1403d782c
mov rcx, rbx
cmp byte [r14 + 0x129d], dil
je 0x1403d780c
call fcn.1403d6a40
mov edi, eax
jmp 0x1403d782c
mov rcx, rbx
call fcn.1403d6a40
mov edi, eax
jmp 0x1403d782c
mov rcx, rbx
call fcn.1403d69f0
mov edi, eax
jmp 0x1403d782c
mov dword [rbx], 3
jmp 0x1403d782c
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r14
call fcn.1403b9e40
mov eax, edi
mov rcx, qword [rsp + 0x190]
xor rcx, rsp
call fcn.1404a4900
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 0x1403d79e7
sub r8d, 1
je 0x1403d79de
sub r8d, 1
je 0x1403d79d5
lea rdx, [0x1405e2c48]
mov rcx, r9
cmp r8d, 1
je 0x1403d79c2
lea r8, str.Internal_state_machine_error
call fcn.1403b9e40
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1403b9f30
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1403d7b30
add rsp, 0x28
jmp fcn.1403d6f90
add rsp, 0x28
jmp 0x1403d72d0