Function at 0x140187d70
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 [0x14020df00]
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 + 0x1328], sil
cmove r14, rax
cmp edx, 7
ja case.0x14018774c.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x187c50]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x14018776d
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x140187c27
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x132d], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x1401877a2
mov byte [rax + 1], 2
mov rdx, qword [r15 + 0x1158]
cmp rdx, 0xffffffffffffffff
je 0x1401877a6
mov rcx, r15
call fcn.14017af50
jmp 0x1401877a6
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 + 0x11a8]
inc rcx
call fcn.140143240
mov esi, eax
test eax, eax
jne 0x140187c27
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x1401877e6
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 0x140187802
cmp rax, rcx
jbe 0x140187835
lea rdx, str.TFTP_filename_too_long
mov rcx, r15
call fcn.14015fa20
mov rcx, qword [rsp + 0x40]
call qword [fcn.1401cc8c4]
mov eax, 0x47
jmp 0x140187c27
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.140149320
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x140187866
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop dword [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140187880
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa54], 0
jne 0x140187b74
cmp byte [r15 + 0x132d], 0
je 0x1401878ce
mov r9, qword [r15 + 0x1158]
cmp r9, rdi
je 0x1401878ce
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.140149320
jmp 0x1401878d8
mov eax, 0x30
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1401878ef
lea rcx, [rsp + 0x50]
jmp 0x140187943
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 0x140187900
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140187920
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140187981
mov r9d, dword [rbx + 0x148]
lea r8, [0x1401f0330]
mov edx, 0x40
call fcn.140149320
mov r9d, dword [rbx + 0x24]
lea r8, [0x1401f0330]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.140149320
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140187818
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 0x140187990
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1401879b0
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1401f0330]
mov edx, 0x40
call fcn.140149320
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x14018795b
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 0x140187a10
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140187a30
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140187a74
mov r9d, dword [rbx + 0x24]
lea r8, [0x1401f0330]
mov edx, 0x40
call fcn.140149320
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140187818
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 0x140187a80
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140187aa0
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1401f0330]
mov edx, 0x40
call fcn.140149320
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x140187975
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 0x140187af1
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140187b10
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x140187975
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 0x140187b41
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x140187b60
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov rdx, qword [rax + 0x50]
mov eax, dword [rdx + 0xc]
lea r8, [rdx + 0x10]
mov rdx, qword [rbx + 0x158]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], r8
mov r8d, r14d
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x140187bd4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.140143c70
mov r8, rax
lea rdx, [0x1401f0324]
mov rcx, r15
call fcn.14015fa20
mov rcx, qword [rsp + 0x40]
call qword [fcn.1401cc8c4]
jmp 0x140187c25
mov rcx, rbx
cmp byte [r15 + 0x132d], sil
je 0x140187c05
call fcn.140186e60
mov esi, eax
jmp 0x140187c25
mov rcx, rbx
call fcn.140186e60
mov esi, eax
jmp 0x140187c25
mov rcx, rbx
call fcn.140186e10
mov esi, eax
jmp 0x140187c25
mov dword [rbx], 3
jmp 0x140187c25
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.14015fa20
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1401cb450
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 0x140187dd7
sub r8d, 1
je 0x140187dce
sub r8d, 1
je 0x140187dc5
lea rdx, [0x1401f0324]
mov rcx, r9
cmp r8d, 1
je 0x140187db2
lea r8, str.Internal_state_machine_error
call fcn.14015fa20
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.14015fb10
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.140187f20
add rsp, 0x28
jmp fcn.1401873a0
add rsp, 0x28
jmp 0x1401876e0