joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c47b0
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 [0x67a374]
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 0x4c4981
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 0x4c496f
push 0x10
lea eax, [ebp - 0x2c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4c496f
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 0x4c496f
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4c496f
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4c496f
push 0x10
lea ecx, [ebp - 0x2c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4c496f
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4c496f
push ebx
push 0x662ff4
lea eax, [ebp - 0x1c]
push 0xc
push eax
call fcn.004c26b0
lea esi, [ebp - 0x1c]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c48d6
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 0x4c496f
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 0x4c496f
lea ecx, [ebp - 0x1c]
lea edx, [ebp - 0x10]
sub esi, 4
jb 0x4c4923
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4c4928
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4c4912
cmp esi, 0xfffffffc
je 0x4c4955
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4c496f
cmp esi, 0xfffffffd
je 0x4c4955
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4c496f
cmp esi, 0xfffffffe
je 0x4c4955
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4c496f
cmp esi, 0xffffffff
je 0x4c4955
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4c496f
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.004503a3
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.004503a3
mov esp, ebp
pop ebp
ret
Function at 0x4c49e0
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 0x4c4b74
push edi
mov edi, dword [ebp - 0xc]
test edi, edi
je 0x4c4b60
push esi
nop dword [eax]
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4c4a2f
mov eax, 0x10
jmp 0x4c4a3d
cmp eax, 0x17
jne 0x4c4af1
mov eax, 0x1c
cmp dword [edi + 0x18], 0
mov dword [ebp - 4], eax
je 0x4c4af1
mov ecx, dword [edi + 0x10]
test ecx, ecx
je 0x4c4af1
cmp ecx, eax
jb 0x4c4af1
push 0x20
call dword [0x67a3e4]
mov esi, eax
add esp, 4
test esi, esi
je 0x4c4b55
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 [0x67a3e4]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4c4b44
push dword [ebp - 4]
push dword [edi + 0x18]
push eax
call fcn.005c6940
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4c4adf
push eax
call dword [0x67a3f0]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4c4b2a
mov eax, dword [ebp - 8]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4c4aee
mov dword [eax + 0x1c], esi
mov dword [ebp - 8], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4c4a20
mov edi, dword [ebp - 0x10]
mov eax, dword [ebp - 0xc]
pop esi
test eax, eax
je 0x4c4b0e
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4c4b5c
push ebx
call fcn.004c49a0
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 [0x67a3e8]
push esi
call dword [0x67a3e8]
add esp, 8
jmp 0x4c4aff
push esi
mov edi, 8
call dword [0x67a3e8]
add esp, 4
jmp 0x4c4aff
mov edi, 8
jmp 0x4c4aff
test ebx, ebx
jne 0x4c4b6c
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 0x4c4ff0
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.005d78c2
add esp, 0x18
test eax, eax
je 0x4c5012
cmp eax, 0xffffffff
jne 0x4c5014
xor eax, eax
pop ebp
ret
Function at 0x4c5a10
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c8
mov eax, dword [0x67a374]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x68c934], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x158], ebx
jne 0x4c5a46
call fcn.004c8710
test al, al
je 0x4c5a57
mov byte [0x68c934], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x9d0]
test eax, eax
je 0x4c5a78
push 0x400
push eax
call fcn.004f1be0
add esp, 8
call fcn.004c8710
test al, al
jne 0x4c5a46
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.004b87b0
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x178], xmm0
movups xmmword [ebp - 0x168], xmm0
call fcn.004b8160
lea eax, [ebp - 0x198]
push eax
call fcn.004b87b0
mov esi, dword [eax + 8]
lea eax, [ebp - 0x1a8]
push eax
call fcn.004b87b0
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.00451130
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.00451130
xor edi, eax
xor ebx, edx
lea eax, [ebp - 0x1b8]
mov dword [ebp - 0x168], edi
push eax
mov dword [ebp - 0x164], ebx
call fcn.004b87b0
lea esi, [eax + 8]
lea eax, [ebp - 0x1c8]
push eax
call fcn.004b87b0
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 0x4c5aa0
movsd xmm0, qword [0x60f238]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004f1900
add esp, 0x10
call fcn.004c8710
test al, al
je 0x4c5a80
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.004f1b20
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x4c5c24
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.004f1be0
add esp, 8
call fcn.004c8710
test al, al
jne 0x4c5a46
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x158]
call fcn.004b4e30
add esp, 8
call fcn.004c8710
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.004503a3
mov esp, ebp
pop ebp
ret
Function at 0x4c9f80
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1004
call fcn.00450fe0
mov eax, dword [0x67a374]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.005dea65
add esp, 4
mov byte [ebp - 0x1004], 0
test eax, eax
je 0x4c9fe8
push 0x1000
lea ecx, [ebp - 0x1004]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x1004], 0
je 0x4c9fe8
lea eax, [ebp - 0x1004]
push eax
call dword [0x67a3f0]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret

Function at 0x4ca000
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004c9f80

Function at 0x4cf810
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x67a374]
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 0x4cf883
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.004b57a0
add esp, 8
cmp esi, 0xffffffff
jne 0x4cf8bb
push str.Error_accept__ing_server_connect
push ebx
call fcn.004b4d50
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004b4e30
push 1
mov byte [edi + 0x2b0], 0
push esi
mov dword [edi + 0x1c4], esi
call fcn.004dd7b0
add esp, 0x10
mov byte [edi + 0x1d1], 1
cmp dword [ebx + 0x610], 0
je 0x4cf937
push 1
push ebx
call fcn.004a8140
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.004a8140
add esp, 0x1c
test esi, esi
je 0x4cf937
push edi
call fcn.004cfd70
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
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.004503a3
mov esp, ebp
pop ebp
ret
Function at 0x4d1cc0
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 0x4d1cef
push str.Couldnt_set_desired_mode
push edx
call fcn.004b4d50
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebp
ret
cmp ecx, 0xc8
je 0x4d1d06
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push edx
call fcn.004b4e30
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4d1d1d
push edi
call fcn.004d1990
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x14
jne 0x4d1d31
push edi
call fcn.004d09f0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x15
jne 0x4d1d45
push edi
call fcn.004d1970
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x16
jne 0x4d1d55
push edi
call fcn.004d1ba0
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebp
ret
Function at 0x4d6e40
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x67a374]
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 0x4d6e8d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004b4d50
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4d6eb5
shr eax, 8
test al, al
jne 0x4d6eb5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004b4d50
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.004503a3
mov esp, ebp
pop ebp
ret

Function at 0x4d7730
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 0x4d7778
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b4d50
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004d6fe0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4d78a0
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 0x4d79f8
push ebx
push esi
push edi
lea ebx, [eax + 0x1cb0]
lea edi, [eax + 0x1eb0]
mov dword [edi], ebx
cmp ebx, edi
jae 0x4d78df
mov byte [ebx], 0xff
inc dword [edi]
mov ecx, dword [edi]
jmp 0x4d78e1
mov ecx, ebx
cmp ecx, edi
jae 0x4d78f5
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4d78f5
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 0x4d7960
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7960
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7960
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7960
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7960
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7960
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.004d70e0
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 0x4d79b3
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b4d50
add esp, 0xc
push 4
lea eax, [esi + 0x1cb3]
push eax
push ebx
call fcn.004d7790
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 0x4d79f5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b4d50
add esp, 0xc
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4d7b50
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x67a374]
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.005c7440
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.005c7440
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.004d70e0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp cl, 0x18
je 0x4d7d38
cmp cl, 0x23
je 0x4d7d12
cmp cl, 0x27
jne 0x4d7dc6
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004c26b0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4d7cb1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d7c37
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4d7c9f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004ac180
add esp, 0x10
test eax, eax
je 0x4d7c9f
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.004c26b0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4d7c30
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.004c26b0
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 0x4d7d0c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b4d50
add esp, 0xc
push edi
jmp 0x4d7db4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d7d20
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4d7d59
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d7d43
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.004c26b0
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 0x4d7db0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b4d50
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004d70e0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004503a3
mov esp, ebp
pop ebp
ret
Function at 0x4d8af0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x67a374]
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 0x4d8b83
push dword [ebp - 0x90]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.005c6940
mov eax, dword [ebp - 0x90]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x4d8bb6
push str.Received_too_short_packet
push ebx
call fcn.004b4d50
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.004503a3
mov esp, ebp
pop ebp
ret
push esi
call fcn.004d86e0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4d8bd1
jmp dword [eax*4 + 0x4d8d28]
cmp edx, 4
jle case.0x4d8bd1.4
push esi
call fcn.004d86c0
movzx ecx, word [edi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4d8bd1.4
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.004b4ca0
add esp, 0x10
mov dword [ebp - 0x8c], eax
test eax, eax
je 0x4d8c3f
push 5
push edi
call fcn.004d95f0
mov eax, dword [ebp - 0x8c]
add esp, 8
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
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.004c0660
add esp, 0xc
jmp 0x4d8cf6
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x15c]
push eax
call fcn.004d86c0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004d8690
add esp, 0xc
cmp eax, esi
jae case.0x4d8bd1.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004b4e30
jmp 0x4d8ced
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004d88a0
add esp, 0xc
test eax, eax
je case.0x4d8bd1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004503a3
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x60ec20
push ebx
call fcn.004b4d50
add esp, 0xc
mov esi, dword [ebp - 0x88]
push esi
call fcn.004c0930
add esp, 4
test eax, eax
je 0x4d8ba3
push 5
push edi
call fcn.004d95f0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004503a3
mov esp, ebp
pop ebp
ret
Function at 0x4d95f0
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.0x4d9602
jmp dword [edx*4 + 0x4d9658]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004d9010
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004d8d40
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004d9800
push str.TFTP_finished
push 0x60a450
push eax
call fcn.004b4e30
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x60ec20
push eax
call fcn.004b4d50
add esp, 0xc
mov eax, 0x47
pop ebp
ret