joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b02c0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x663a90]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x48c], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b031d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004ae6d0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
push dword [esi + 0x490]
mov dword [ebp - 0x10], 1
call fcn.004bba00
push dword [esi + 0x494]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004bba00
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4b038d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.004ae6d0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.00589cd3
mov esp, ebp
pop ebp
ret

Function at 0x4b1340
Capabilities:
Encode data using base64

Disassembly:
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4b142c
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
movzx edx, byte [edi - 1]
cmp esi, 3
jl 0x4b13be
movzx ecx, byte [edi]
shl edx, 8
or edx, ecx
movzx ecx, byte [edi + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
shr ecx, 0x12
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax], cl
mov ecx, edx
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 6
and ecx, 0x3f
and edx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax + 2], cl
movzx ecx, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax + 3], cl
jmp 0x4b140f
shl edx, 0x10
cmp esi, 2
jne 0x4b13ce
movzx ecx, byte [edi]
shl ecx, 8
or edx, ecx
mov ecx, edx
shr ecx, 0x12
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax], cl
mov ecx, edx
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax + 1], cl
cmp esi, 1
jne 0x4b13fb
lea ecx, [esi + 0x3c]
jmp 0x4b1408
shr edx, 6
and edx, 0x3f
movzx ecx, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [eax + 2], cl
mov byte [eax + 3], 0x3d
sub esi, 3
add eax, 4
add ebx, 4
add edi, 3
test esi, esi
jg 0x4b1360
pop edi
mov byte [eax], 0
mov eax, ebx
pop esi
pop ebx
ret
mov byte [eax], bl
mov eax, ebx
pop esi
pop ebx
ret
Function at 0x4b2430
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
nop dword [eax + eax]
mov ecx, esi
xor eax, eax
and ecx, 1
mov edx, esi
or ecx, eax
je 0x4b2460
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b2466
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b2483
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b2489
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b24a6
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b24ac
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b24c9
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b24cf
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b24ec
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b24f2
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b250f
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b2515
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b2532
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b2538
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
and ecx, 1
or ecx, 0
je 0x4b2555
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x4b255b
shrd edx, eax, 1
shr eax, 1
mov dword [edi + esi*8], edx
mov dword [edi + esi*8 + 4], eax
inc esi
cmp esi, 0x100
jb 0x4b2440
lea esi, [edi + 0x1000]
mov ebx, 0x100
nop word [eax + eax]
mov edx, dword [esi - 0x1000]
lea esi, [esi + 8]
mov ecx, dword [esi - 0x1004]
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi - 0x804], ecx
mov dword [esi - 0x808], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi - 4], ecx
mov dword [esi - 8], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi + 0x7fc], ecx
mov dword [esi + 0x7f8], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi + 0xffc], ecx
mov dword [esi + 0xff8], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi + 0x17fc], ecx
mov dword [esi + 0x17f8], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor ecx, dword [edi + eax*8 + 4]
xor edx, dword [edi + eax*8]
mov dword [esi + 0x1ffc], ecx
mov dword [esi + 0x1ff8], edx
movzx eax, dl
shrd edx, ecx, 8
shr ecx, 8
xor edx, dword [edi + eax*8]
xor ecx, dword [edi + eax*8 + 4]
mov dword [esi + 0x27f8], edx
mov dword [esi + 0x27fc], ecx
sub ebx, 1
jne 0x4b2580
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4bb9b0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004bb9e0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.005c2a2b

Function at 0x4bcb30
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [eax], ebx
lea eax, [ebp - 8]
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 - 0xc], eax
test eax, eax
jne 0x4bccab
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4bcc97
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4bcc28
cmp dword [edi + 0x18], 0
je 0x4bcc28
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4bcc28
cmp eax, 0x10
jb 0x4bcc28
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x4bcc8c
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]
push 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
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 0x4bcc7b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4bcc16
push eax
call dword [0x65b00c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4bcc61
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4bcc25
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4bcb70
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4bcc45
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4bcc93
push ebx
call fcn.004bcaf0
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 [0x65b004]
push esi
call dword [0x65b004]
add esp, 8
jmp 0x4bcc36
push esi
mov edi, 8
call dword [0x65b004]
add esp, 4
jmp 0x4bcc36
mov edi, 8
jmp 0x4bcc36
test ebx, ebx
jne 0x4bcca3
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 0x4bd6f0
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.005b9d27
add esp, 0x18
test eax, eax
je 0x4bd712
cmp eax, 0xffffffff
jne 0x4bd714
xor eax, eax
pop ebp
ret
Function at 0x4c8570
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x663a90]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push edi
push ecx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], 0x10
mov eax, dword [esi + 0x1a4]
or edi, 0xffffffff
mov ebx, dword [esi]
push ecx
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4c85c8
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x10
push eax
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push dword [ebp - 0x1c]
push esi
call fcn.004aedd0
add esp, 8
cmp edi, 0xffffffff
jne 0x4c85fd
push str.Error_accept__ing_server_connect
push ebx
call fcn.004ae630
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004ae6d0
push 1
mov byte [esi + 0x290], 0
push edi
mov dword [esi + 0x1a4], edi
call fcn.004d3760
mov byte [esi + 0x1b1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x4c8662
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x4c8662
push esi
call fcn.004c8ad0
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
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.00589cd3
mov esp, ebp
pop ebp
ret

Function at 0x4caa70
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [ebp + 8]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x4caaac
push str.Couldnt_set_desired_mode
push ebx
call fcn.004ae630
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4caac3
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004ae6d0
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4caadb
push edi
call fcn.004ca810
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4caaf0
push edi
call fcn.004c9900
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4cab05
push edi
call fcn.004ca7f0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4cab15
push edi
call fcn.004ca950
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebx
pop ebp
ret
Function at 0x4cd110
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x663a90]
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 0x4cd15d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004ae630
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4cd185
shr eax, 8
test al, al
jne 0x4cd185
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004ae630
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.00589cd3
mov esp, ebp
pop ebp
ret

Function at 0x4cd9c0
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 + 0x1a0]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cda08
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae630
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004cd2a0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4cdae0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x114]
jne 0x4cdc2c
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4cdb15
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb20
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb2b
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 0xc], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [ebp + 0xc]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb5c
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb66
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb70
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb7a
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb85
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cdb90
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.004cd3a0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cdbe8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae630
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004cda20
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4cdc2b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae630
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4cdd90
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x663a90]
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.005a2d80
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.005a2d80
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x114]
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.004cd3a0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4cdf78
cmp ecx, 0x23
je 0x4cdf54
cmp ecx, 0x27
jne 0x4ce006
push 0
push ecx
push 0xfa
push 0xff
push 0x5e35bc
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004b2a80
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4cdef1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cde77
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4cdedf
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004917c0
add esp, 0x10
test eax, eax
je 0x4cdedf
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.004b2a80
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4cde70
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.004b2a80
add esp, 0x14
lea eax, [ebp - 0x904]
add edi, 2
push 0
push edi
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cdf4c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ae630
add esp, 0xc
lea eax, [edi - 2]
jmp 0x4cdff3
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cdf60
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4cdf99
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cdf83
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.004b2a80
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cdff0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ae630
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004cd3a0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
Function at 0x4cec50
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x663a90]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x470]
mov edi, dword [eax]
lea ebx, [esi + 0x15c]
mov dword [ebp - 0x8c], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [ebx]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4cece3
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.005a3320
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4ced16
push str.Received_too_short_packet
push edi
call fcn.004ae630
add esp, 8
mov dword [esi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004ce850
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4ced31
jmp dword [eax*4 + 0x4cee48]
cmp edx, 4
jle case.0x4ced31.4
push ebx
call fcn.004ce830
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4ced31.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004ae520
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4ced96
push 5
push esi
call fcn.004cf570
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x70], eax
adc dword [edi + 0x74], edx
push dword [edi + 0x74]
push dword [edi + 0x70]
push edi
call fcn.004baac0
jmp 0x4cee0e
push ebx
call fcn.004ce830
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x5de550
push edi
call fcn.004ae6d0
add esp, 0x10
jmp case.0x4ced31.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.004cea00
add esp, 0xc
test eax, eax
je case.0x4ced31.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x641094
push edi
call fcn.004ae630
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.004bae30
add esp, 4
test eax, eax
je 0x4ced03
push 5
push esi
call fcn.004cf570
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00589cd3
mov esp, ebp
pop ebp
ret
Function at 0x4cee60
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov eax, dword [edi + 0x10]
mov ebx, dword [eax]
mov eax, dword [ebp + 0xc]
add eax, 0xfffffffd
cmp eax, 4
ja case.0x4cee7d.4
jmp dword [eax*4 + 0x4cf094]
lea eax, [edi + 0x15c]
push eax
call fcn.004ce830
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
movzx eax, ax
cmp eax, esi
jne 0x4ceead
mov dword [edi + 0x18], 0
jmp 0x4ceec4
cmp ecx, esi
jne 0x4cef38
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004ae6d0
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.004ce890
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004ce870
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x4cf00a
mov eax, dword [edi + 0x154]
xor ecx, ecx
add eax, 4
cmp dword [edi + 0x14c], eax
lea eax, [edi + 0x38]
push eax
setl cl
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.005b43de
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push eax
push esi
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
push ebx
call fcn.004ae6d0
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
xor eax, eax
lea esi, [edi + 0x160]
push 4
push esi
mov word [edi + 0x40], ax
mov dword [edi + 0x18], eax
call fcn.004ce890
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004ce870
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x4cf00a
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.005b43de
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
inc dword [edi + 0x18]
inc eax
push dword [edi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004ae6d0
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x4cefe6
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
push 0
push 4
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4cf070
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004bced0
push eax
push 0x641094
push ebx
call fcn.004ae630
add esp, 0x14
mov eax, 0x37
pop edi
pop esi
pop ebx
pop ebp
ret
lea esi, [edi + 0x160]
push 5
push esi
call fcn.004ce890
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004ce870
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x641094
push ebx
call fcn.004ae630
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret