Function at 0x140043540
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 [0x140079688]
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 + 0x136a], sil
cmove r14, rax
cmp edx, 7
ja case.0x140042efc.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x43420]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x140042f1d
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1400433f7
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x1370], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x140042f68
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x1a0], rcx
mov rdx, qword [r15 + 0x11b8]
cmp rdx, 0xffffffffffffffff
je 0x140042f6c
mov rcx, r15
call fcn.14002bc60
jmp 0x140042f6c
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 + 0x1208]
inc rcx
call fcn.1400478d0
mov esi, eax
test eax, eax
jne 0x1400433f7
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [r14 + rax], 0
jne 0x140042fb0
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
nop dword [rax]
inc rax
cmp byte [r9 + rax], 0
jne 0x140042fd0
cmp rax, rcx
jbe 0x140043003
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.14001cb50
mov rcx, qword [rsp + 0x40]
call qword [fcn.14005ed5a]
mov eax, Ordinal_73
jmp 0x1400433f7
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.14000bb70
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x140043034
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043050
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa9c], 0
jne 0x140043344
cmp byte [r15 + 0x1370], 0
je 0x14004309e
mov r9, qword [r15 + 0x11b8]
cmp r9, rdi
je 0x14004309e
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.14000bb70
jmp 0x1400430a8
mov eax, Ordinal_50
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1400430bf
lea rcx, [rsp + 0x50]
jmp 0x140043113
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 0x1400430d0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1400430f0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140043151
mov r9d, dword [rbx + 0x148]
lea r8, [0x1400638f4]
mov edx, 0x40
call fcn.14000bb70
mov r9d, dword [rbx + 0x24]
lea r8, [0x1400638f4]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.14000bb70
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140042fe6
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 0x140043160
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043180
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1400638f4]
mov edx, 0x40
call fcn.14000bb70
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x14004312b
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 0x1400431e0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043200
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140043244
mov r9d, dword [rbx + 0x24]
lea r8, [0x1400638f4]
mov edx, 0x40
call fcn.14000bb70
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140042fe6
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 0x140043250
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043270
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1400638f4]
mov edx, 0x40
call fcn.14000bb70
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x140043145
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 0x1400432c1
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1400432e0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x140043145
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 0x140043311
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x140043330
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 + 0x58]
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 0x1400433a4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.140007450
mov r8, rax
lea rdx, [0x1400632d4]
mov rcx, r15
call fcn.14001cb50
mov rcx, qword [rsp + 0x40]
call qword [fcn.14005ed5a]
jmp 0x1400433f5
mov rcx, rbx
cmp byte [r15 + 0x1370], sil
je 0x1400433d5
call fcn.1400425e0
mov esi, eax
jmp 0x1400433f5
mov rcx, rbx
call fcn.1400425e0
mov esi, eax
jmp 0x1400433f5
mov rcx, rbx
call fcn.140042590
mov esi, eax
jmp 0x1400433f5
mov dword [rbx], 3
jmp 0x1400433f5
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.14001cb50
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.14005de50
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 0x1400435a7
sub r8d, 1
je 0x14004359e
sub r8d, 1
je 0x140043595
lea rdx, [0x1400632d4]
mov rcx, r9
cmp r8d, 1
je 0x140043582
lea r8, str.Internal_state_machine_error
call fcn.14001cb50
mov eax, Ordinal_73
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.14001cc30
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1400436f0
add rsp, 0x28
jmp fcn.140042b50
add rsp, 0x28
jmp 0x140042e90