joyce8/EMBER2024-capa huggingface dataset:
Function at 0x437760
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0x14]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [ebp - 0x34], 0x10
mov dword [ebp - 0x30], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x437931
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [ebp - 0x24], xmm0
mov word [ebp - 0x2c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [ebp - 0x28], eax
xor eax, eax
push 4
mov word [ebp - 0x2a], ax
lea eax, [ebp - 0x30]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x43791f
push 0x10
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x43791f
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x43791f
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x43791f
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x43791f
push 0x10
lea ecx, [ebp - 0x2c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x43791f
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x43791f
push ebx
push 0x56ad4c
lea eax, [ebp - 0x1c]
push 0xc
push eax
call fcn.0042b8d0
lea esi, [ebp - 0x1c]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x437886
push 0
sub esi, ecx
lea eax, [ebp - 0x1c]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x43791f
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x43791f
lea ecx, [ebp - 0x1c]
lea edx, [ebp - 0x10]
sub esi, 4
jb 0x4378d3
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4378d8
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4378c2
cmp esi, 0xfffffffc
je 0x437905
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x43791f
cmp esi, 0xfffffffd
je 0x437905
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x43791f
cmp esi, 0xfffffffe
je 0x437905
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x43791f
cmp esi, 0xffffffff
je 0x437905
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x43791f
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
Function at 0x437990
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 8], ebx
mov dword [eax], ebx
lea eax, [ebp - 0xc]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0x10], eax
test eax, eax
jne 0x437b24
push edi
mov edi, dword [ebp - 0xc]
test edi, edi
je 0x437b10
push esi
nop dword [eax]
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4379df
mov eax, 0x10
jmp 0x4379ed
cmp eax, 0x17
jne 0x437aa1
mov eax, 0x1c
cmp dword [edi + 0x18], 0
mov dword [ebp - 4], eax
je 0x437aa1
mov ecx, dword [edi + 0x10]
test ecx, ecx
je 0x437aa1
cmp ecx, eax
jb 0x437aa1
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x437b05
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
mov dword [esi + 0xc], eax
mov eax, dword [ebp - 4]
push eax
mov dword [esi + 0x10], eax
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x437af4
push dword [ebp - 4]
push dword [edi + 0x18]
push eax
call fcn.00537a70
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x437a8f
push eax
call dword [0x5c800c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x437ada
mov eax, dword [ebp - 8]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x437a9e
mov dword [eax + 0x1c], esi
mov dword [ebp - 8], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4379d0
mov edi, dword [ebp - 0x10]
mov eax, dword [ebp - 0xc]
pop esi
test eax, eax
je 0x437abe
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x437b0c
push ebx
call fcn.00437950
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [esi + 0x18]
mov edi, 8
call dword [0x5c8004]
push esi
call dword [0x5c8004]
add esp, 8
jmp 0x437aaf
push esi
mov edi, 8
call dword [0x5c8004]
add esp, 4
jmp 0x437aaf
mov edi, 8
jmp 0x437aaf
test ebx, ebx
jne 0x437b1c
mov edi, 0x2af9
push edi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x437fa0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.00548ee6
add esp, 0x18
test eax, eax
je 0x437fc2
cmp eax, 0xffffffff
jne 0x437fc4
xor eax, eax
pop ebp
ret
Function at 0x4389d0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c8
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x5d3594], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x158], ebx
jne 0x438a06
call fcn.0043b6d0
test al, al
je 0x438a17
mov byte [0x5d3594], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x9d0]
test eax, eax
je 0x438a38
push 0x400
push eax
call fcn.004642f0
add esp, 8
call fcn.0043b6d0
test al, al
jne 0x438a06
push esi
push edi
nop word [eax + eax]
mov ebx, 2
mov dword [ebp - 0x150], 4
lea eax, [ebp - 0x44]
mov dword [ebp - 0x148], ebx
mov dword [ebp - 0x14c], eax
nop
lea eax, [ebp - 0x188]
push eax
call fcn.0042cd90
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x178], xmm0
movups xmmword [ebp - 0x168], xmm0
call fcn.0042b110
lea eax, [ebp - 0x198]
push eax
call fcn.0042cd90
mov esi, dword [eax + 8]
lea eax, [ebp - 0x1a8]
push eax
call fcn.0042cd90
add esp, 0x10
mov ecx, eax
mov eax, esi
inc ebx
cdq
mov dword [ebp - 0x154], ebx
add eax, dword [ecx]
push 0
adc edx, dword [ecx + 4]
push ebx
push edx
push eax
call fcn.00536bb0
movups xmm1, xmmword [ebp - 0x178]
mov esi, dword [ebp - 0x148]
mov edi, eax
mov ebx, edx
dec esi
movaps xmm0, xmm1
movd eax, xmm1
psrldq xmm0, 4
movd ecx, xmm0
shld ebx, edi, 8
push ecx
push eax
push 0
push esi
shl edi, 8
call fcn.00536bb0
xor edi, eax
xor ebx, edx
lea eax, [ebp - 0x1b8]
mov dword [ebp - 0x168], edi
push eax
mov dword [ebp - 0x164], ebx
call fcn.0042cd90
lea esi, [eax + 8]
lea eax, [ebp - 0x1c8]
push eax
call fcn.0042cd90
mov edx, dword [ebp - 0x148]
add esp, 8
mov ebx, dword [ebp - 0x154]
mov dword [ebp - 0x148], ebx
mov ecx, dword [eax]
add ecx, dword [esi]
lea eax, [edx + 2]
imul edx, dword [ebp - 0x160]
imul ecx, eax
mov eax, dword [ebp - 0x14c]
shl ecx, 0x10
xor ecx, edx
mov dword [ebp - 0x160], ecx
movups xmm0, xmmword [ebp - 0x168]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [ebp - 0x150], 1
mov dword [ebp - 0x14c], eax
jne 0x438a60
movsd xmm0, qword [0x56c3e8]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00464010
add esp, 0x10
call fcn.0043b6d0
test al, al
je 0x438a40
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.00464230
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x438be4
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.004642f0
add esp, 8
call fcn.0043b6d0
test al, al
jne 0x438a06
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x158]
call fcn.00427d50
add esp, 8
call fcn.0043b6d0
xor edx, edx
mov ecx, 0x23
test al, al
pop ebx
cmovne ecx, edx
mov eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret

Function at 0x43cfc0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0043cf40
Function at 0x4427d0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea ecx, [ebp - 0x88]
push ecx
lea ecx, [ebp - 0x84]
mov dword [ebp - 0x88], 0x80
push ecx
mov eax, dword [edi + 0x1c4]
or esi, 0xffffffff
mov ebx, dword [edi]
push eax
mov dword [ebp - 0x8c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x442843
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0x80
push eax
lea eax, [ebp - 0x84]
push eax
push dword [ebp - 0x8c]
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push dword [ebp - 0x8c]
push edi
call fcn.004286c0
add esp, 8
cmp esi, 0xffffffff
jne 0x44287b
push str.Error_accept__ing_server_connect
push ebx
call fcn.00427c70
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.00427d50
push 1
mov byte [edi + 0x2b0], 0
push esi
mov dword [edi + 0x1c4], esi
call fcn.0044fee0
add esp, 0x10
mov byte [edi + 0x1d1], 1
cmp dword [ebx + 0x610], 0
je 0x4428f7
push 1
push ebx
call fcn.0041a4a0
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.0041a4a0
add esp, 0x1c
test esi, esi
je 0x4428f7
push edi
call fcn.00442d30
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00535cb4
mov esp, ebp
pop ebp
ret

Function at 0x444c80
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
lea eax, [ecx - 0xc8]
mov edx, dword [edi]
cmp eax, 0x64
jb 0x444caf
push str.Couldnt_set_desired_mode
push edx
call fcn.00427c70
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebp
ret
cmp ecx, 0xc8
je 0x444cc6
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push edx
call fcn.00427d50
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x444cdd
push edi
call fcn.00444950
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x14
jne 0x444cf1
push edi
call fcn.004439b0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x15
jne 0x444d05
push edi
call fcn.00444930
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x16
jne 0x444d15
push edi
call fcn.00444b60
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebp
ret
Function at 0x449df0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x449e3d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.00427c70
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x449e65
shr eax, 8
test al, al
jne 0x449e65
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.00427c70
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.00535cb4
mov esp, ebp
pop ebp
ret

Function at 0x44a6d0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x1c0]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44a718
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00427c70
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.00449f80
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x44a840
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
mov eax, dword [eax]
mov dword [ebp - 8], eax
mov eax, dword [eax + 0x14c]
mov dword [ebp - 4], eax
jne 0x44a998
push ebx
push esi
push edi
lea ebx, [eax + 0x1cb0]
lea edi, [eax + 0x1eb0]
mov dword [edi], ebx
cmp ebx, edi
jae 0x44a87f
mov byte [ebx], 0xff
inc dword [edi]
mov ecx, dword [edi]
jmp 0x44a881
mov ecx, ebx
cmp ecx, edi
jae 0x44a895
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x44a895
mov byte [ecx], 0x1f
inc dword [edi]
movzx eax, word [eax + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
movzx eax, word [eax + 0x1caa]
push eax
call esi
mov edx, dword [ebp + 0xc]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44a900
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [ebp - 4]
mov dword [edi], ebx
mov edi, dword [ebp - 8]
mov dword [esi + 0x1eb4], eax
sub eax, ebx
sub eax, 2
push eax
lea eax, [esi + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.0044a080
add esp, 0x10
push 0
push 3
push ebx
mov ebx, dword [ebp + 8]
push dword [ebx + 0x1c0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44a953
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00427c70
add esp, 0xc
push 4
lea eax, [esi + 0x1cb3]
push eax
push ebx
call fcn.0044a730
add esp, 0xc
lea eax, [esi + 0x1cb7]
push 0
push 2
push eax
push dword [ebx + 0x1c0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44a995
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00427c70
add esp, 0xc
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x44aaf0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x104]
push 0x80
push 0
push eax
mov dword [ebp - 0x90c], edi
call fcn.005385c0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.005385c0
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x14c]
mov eax, dword [esi + 0x1eb4]
sub eax, dword [esi + 0x1eb0]
add eax, 2
push eax
lea eax, [esi + 0x1cb0]
push eax
push 0x3c
push ebx
call fcn.0044a080
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp cl, 0x18
je 0x44acd8
cmp cl, 0x23
je 0x44acb2
cmp cl, 0x27
jne 0x44ad66
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.0042b8d0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x44ac51
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44abd7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x44ac3f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0040a430
add esp, 0x10
test eax, eax
je 0x44ac3f
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.0042b8d0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x44abd0
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push str._c_c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.0042b8d0
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x1c0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44acac
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00427c70
add esp, 0xc
push edi
jmp 0x44ad54
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44acc0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x44acf9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44ace3
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.0042b8d0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x1c0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44ad50
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00427c70
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.0044a080
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
Function at 0x44ba90
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x5cd480]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [eax + 0x3a8]
mov ebx, dword [eax]
lea esi, [edi + 0x15c]
mov dword [ebp - 0x88], eax
lea eax, [ebp - 0x90]
push eax
mov dword [ebp - 0x90], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x154]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x44bb23
push dword [ebp - 0x90]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.00537a70
mov eax, dword [ebp - 0x90]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x44bb56
push str.Received_too_short_packet
push ebx
call fcn.00427c70
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
push esi
call fcn.0044b680
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x44bb71
jmp dword [eax*4 + 0x44bcc8]
cmp edx, 4
jle case.0x44bb71.4
push esi
call fcn.0044b660
movzx ecx, word [edi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x44bb71.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
mov esi, dword [ebp - 0x88]
add eax, 4
push eax
push 1
push esi
call fcn.00427bc0
add esp, 0x10
mov dword [ebp - 0x8c], eax
test eax, eax
je 0x44bbdf
push 5
push edi
call fcn.0044c590
mov eax, dword [ebp - 0x8c]
add esp, 8
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0x98], eax
adc dword [ebx + 0x9c], edx
push dword [ebx + 0x9c]
push dword [ebx + 0x98]
push ebx
call fcn.00434c50
add esp, 0xc
jmp 0x44bc96
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x15c]
push eax
call fcn.0044b660
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.0044b630
add esp, 0xc
cmp eax, esi
jae case.0x44bb71.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.00427d50
jmp 0x44bc8d
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.0044b840
add esp, 0xc
test eax, eax
je case.0x44bb71.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x56bdd0
push ebx
call fcn.00427c70
add esp, 0xc
mov esi, dword [ebp - 0x88]
push esi
call fcn.00434f20
add esp, 4
test eax, eax
je 0x44bb43
push 5
push edi
call fcn.0044c590
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00535cb4
mov esp, ebp
pop ebp
ret
Function at 0x44c590
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x44c5a2
jmp dword [edx*4 + 0x44c5f8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.0044bfb0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.0044bce0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.0044c7a0
push str.TFTP_finished
push 0x5675f8
push eax
call fcn.00427d50
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x56bdd0
push eax
call fcn.00427c70
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x455e50
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x455e83
push 0x2e
push edi
call fcn.00539b30
add esp, 8
test eax, eax
je 0x455e81
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x458640
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
jne 0x45866d
pop edi
pop esi
mov esp, ebp
pop ebp
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x4586b7
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x4586bd
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x45871b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x4586e0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x458747
mov eax, dword [esi + 4]
push 1
push str.6Stack_part_of_OpenSSL_1.0.2u__20_Dec_2019
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x570727
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x458720
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret