Function at 0x1403d64b0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0xa0]
sub rsp, 0x1a0
mov rax, qword [0x140628fc0]
xor rax, rsp
mov qword [rbp + 0x90], rax
mov r15, qword [rcx + 0x10]
lea rax, str.octet
xor esi, esi
lea r14, str.netascii
mov rbx, rcx
cmp byte [r15 + 0x1301], sil
cmove r14, rax
cmp edx, 7
ja case.0x1403d5e8c.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x3d6390]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1403d5ead
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1403d6367
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x1306], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x1403d5ee2
mov byte [rax + 1], 2
mov rdx, qword [r15 + 0x1130]
cmp rdx, 0xffffffffffffffff
je 0x1403d5ee6
mov rcx, r15
call fcn.1403cbae0
jmp 0x1403d5ee6
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 + 0x1180]
inc rcx
call fcn.1403e8500
mov esi, eax
test eax, eax
jne 0x1403d6367
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x1403d5f26
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
inc rax
cmp byte [r9 + rax], 0
jne 0x1403d5f42
cmp rax, rcx
jbe 0x1403d5f75
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.1403b8d60
mov rcx, qword [rsp + 0x40]
call qword [fcn.1404b0da4]
mov eax, 0x47
jmp 0x1403d6367
mov rcx, qword [rbx + 0x158]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], r14
mov qword [rsp + 0x20], 0
call fcn.1403bf590
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1403d5fa6
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop dword [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d5fc0
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa94], 0
jne 0x1403d62b4
cmp byte [r15 + 0x1306], 0
je 0x1403d600e
mov r9, qword [r15 + 0x1130]
cmp r9, rdi
je 0x1403d600e
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403bf590
jmp 0x1403d6018
mov eax, gethostbyaddr
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1403d602f
lea rcx, [rsp + 0x50]
jmp 0x1403d6083
mov rdx, qword [rbx + 0x158]
lea rcx, str.tsize
add rdx, r14
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d6040
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d6060
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1403d60c1
mov r9d, dword [rbx + 0x148]
lea r8, [0x1405c8ff4]
mov edx, 0x40
call fcn.1403bf590
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405c8ff4]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1403bf590
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d5f58
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d60d0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d60f0
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1405c8ff4]
mov edx, 0x40
call fcn.1403bf590
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1403d609b
mov rdx, qword [rbx + 0x158]
lea rcx, str.blksize
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 0x1403d6150
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d6170
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1403d61b4
mov r9d, dword [rbx + 0x24]
lea r8, [0x1405c8ff4]
mov edx, 0x40
call fcn.1403bf590
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1403d5f58
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d61c0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d61e0
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1405c8ff4]
mov edx, 0x40
call fcn.1403bf590
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1403d60b5
mov rdx, qword [rbx + 0x158]
lea rcx, str.timeout
add rdx, rsi
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d6231
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1403d6250
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x1403d60b5
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1403d6281
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x1403d62a0
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x20]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov r8d, r14d
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, r14
je 0x1403d6314
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1403a12b0
mov r8, rax
lea rdx, [0x1405c8ff8]
mov rcx, r15
call fcn.1403b8d60
mov rcx, qword [rsp + 0x40]
call qword [fcn.1404b0da4]
jmp 0x1403d6365
mov rcx, rbx
cmp byte [r15 + 0x1306], sil
je 0x1403d6345
call fcn.1403d55a0
mov esi, eax
jmp 0x1403d6365
mov rcx, rbx
call fcn.1403d55a0
mov esi, eax
jmp 0x1403d6365
mov rcx, rbx
call fcn.1403d5550
mov esi, eax
jmp 0x1403d6365
mov dword [rbx], 3
jmp 0x1403d6365
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.1403b8d60
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1404a0a30
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x1a0
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x1403d6517
sub r8d, 1
je 0x1403d650e
sub r8d, 1
je 0x1403d6505
lea rdx, [0x1405c8ff8]
mov rcx, r9
cmp r8d, 1
je 0x1403d64f2
lea r8, str.Internal_state_machine_error
call fcn.1403b8d60
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1403b8e50
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1403d6660
add rsp, 0x28
jmp fcn.1403d5ae0
add rsp, 0x28
jmp 0x1403d5e20