Function at 0x180083f20
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 [0x1801165d8]
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 + 0x133e], sil
cmove r14, rax
cmp edx, 7
ja case.0x1800838dc.1
lea r8, [0x180000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x83e00]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1800838fd
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x180083dd7
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0xaa7], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x180083948
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x198], rcx
mov rdx, qword [r15 + 0x1188]
cmp rdx, 0xffffffffffffffff
je 0x18008394c
mov rcx, r15
call fcn.1800778e0
jmp 0x18008394c
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 + 0x11d8]
inc rcx
call fcn.1800964a0
mov esi, eax
test eax, eax
jne 0x180083dd7
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [r14 + rax], 0
jne 0x180083990
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 0x1800839b0
cmp rax, rcx
jbe 0x1800839e3
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.1800687a0
mov rcx, qword [rsp + 0x40]
call qword [case.0x180067a8f.0]
mov eax, 0x47
jmp 0x180083dd7
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.180078f70
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x180083a14
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083a30
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa8c], 0
jne 0x180083d24
cmp byte [r15 + 0xaa7], 0
je 0x180083a7e
mov r9, qword [r15 + 0x1188]
cmp r9, rdi
je 0x180083a7e
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.180078f70
jmp 0x180083a88
mov eax, Ordinal_50
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x180083a9f
lea rcx, [rsp + 0x50]
jmp 0x180083af3
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 0x180083ab0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083ad0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x180083b31
mov r9d, dword [rbx + 0x148]
lea r8, [0x1800fd3a8]
mov edx, 0x40
call fcn.180078f70
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800fd3a8]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.180078f70
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800839c6
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 0x180083b40
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083b60
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800fd3a8]
mov edx, 0x40
call fcn.180078f70
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x180083b0b
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 0x180083bc0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083be0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x180083c24
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800fd3a8]
mov edx, 0x40
call fcn.180078f70
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800839c6
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 0x180083c30
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083c50
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800fd3a8]
mov edx, 0x40
call fcn.180078f70
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x180083b25
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 0x180083ca1
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180083cc0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x180083b25
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 0x180083cf1
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x180083d10
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 + 0x58]
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 0x180083d84
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.18007ad10
mov r8, rax
lea rdx, [0x1800fd3ac]
mov rcx, r15
call fcn.1800687a0
mov rcx, qword [rsp + 0x40]
call qword [case.0x180067a8f.0]
jmp 0x180083dd5
mov rcx, rbx
cmp byte [r15 + 0xaa7], sil
je 0x180083db5
call fcn.180082fc0
mov esi, eax
jmp 0x180083dd5
mov rcx, rbx
call fcn.180082fc0
mov esi, eax
jmp 0x180083dd5
mov rcx, rbx
call fcn.180082f70
mov esi, eax
jmp 0x180083dd5
mov dword [rbx], 3
jmp 0x180083dd5
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.1800687a0
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1800ac1d0
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 0x180083f87
sub r8d, 1
je 0x180083f7e
sub r8d, 1
je 0x180083f75
lea rdx, [0x1800fd3ac]
mov rcx, r9
cmp r8d, 1
je 0x180083f62
lea r8, str.Internal_state_machine_error
call fcn.1800687a0
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.180068890
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1800840d0
add rsp, 0x28
jmp fcn.180083530
add rsp, 0x28
jmp 0x180083870