joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49b520
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x5db01c
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x49b53a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push 0x5db028
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x5db038
push esi
call fcn.005bd0f0
add esp, 8
test eax, eax
je 0x49b582
test ebp, ebp
je 0x49b573
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x49b5a8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x49b5a8
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x49b65f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49b5c5
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x64c024]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x49b655
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x49b655
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49b5f7
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x49b610
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x49b620
test ebp, ebp
je 0x49b64c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x64c028]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x64c028]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4a15e0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4a15f2
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe3]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4a1606
xor al, al
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
ret

Function at 0x4a1610
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 8]
cmp byte [eax + 0x100], 2
jne 0x4a165d
mov eax, dword [esp + 4]
test eax, eax
je 0x4a162f
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe3]
ret
push esi
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4a164a
xor esi, esi
test esi, esi
pop esi
setne al
ret
push eax
mov esi, 1
call dword [sym.imp.WS2_32.dll_closesocket]
test esi, esi
pop esi
setne al
ret
mov al, 1
ret
Function at 0x4ada30
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.004a0da0
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call fcn.005cfb1c
push dword [esp + 0x40]
mov edi, eax
call fcn.005cfb1c
mov ebx, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebx
test eax, eax
jne 0x4adac5
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.004a0da0
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.004a0e50
add esp, 0x20
test edx, edx
ja 0x4adae9
jb 0x4adab7
cmp eax, 0x3e8
ja 0x4adae9
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x4ada80
test edi, edi
je 0x4adad2
push edi
call fcn.005a8164
add esp, 4
test esi, esi
je 0x4adadf
push esi
call fcn.005a8164
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x4adaf6
push edi
call fcn.005a8164
add esp, 4
test esi, esi
je 0x4adb03
push esi
call fcn.005a8164
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x4adb10
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:
sub esp, 0x34
mov eax, dword [0x64c00c]
xor eax, esp
mov dword [esp + 0x30], eax
push ebx
mov ebx, dword [esp + 0x48]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x18], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x4adcf6
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x20], xmm0
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
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 0x4adce4
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4adce4
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x4adce4
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4adce4
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4adce4
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4adce4
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4adce4
push ebx
push 0x6366c4
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.004aa7d0
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4adc42
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x4adce4
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x4adce4
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x4adc97
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4adc9c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4adc86
cmp esi, 0xfffffffc
je 0x4adcc9
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4adce4
cmp esi, 0xfffffffd
je 0x4adcc9
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4adce4
cmp esi, 0xfffffffe
je 0x4adcc9
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4adce4
cmp esi, 0xffffffff
je 0x4adcc9
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4adce4
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.00483ab6
add esp, 0x34
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 [esp + 0x3c]
or eax, 0xffffffff
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.00483ab6
add esp, 0x34
ret
Function at 0x4add40
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
push ebx
xor ebx, ebx
mov dword [esp + 0xc], ebx
mov dword [eax], ebx
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 4], eax
test eax, eax
jne 0x4aded1
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x4adebc
push ebp
push edi
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4add9e
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4add90
sub eax, edx
lea ecx, [eax + 1]
jmp 0x4adda0
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [esp + 0x14], ecx
cmp eax, 2
jne 0x4addb1
lea ebp, [eax + 0xe]
jmp 0x4addbd
cmp eax, 0x17
jne 0x4ade5e
lea ebp, [eax + 5]
cmp dword [esi + 0x18], 0
je 0x4ade5e
mov eax, dword [esi + 0x10]
test eax, eax
je 0x4ade5e
cmp eax, ebp
jb 0x4ade5e
lea eax, [ecx + 0x20]
add eax, ebp
push eax
call dword [0x64c024]
mov edi, eax
add esp, 4
test edi, edi
je 0x4adead
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ebp
mov dword [edi + 0x10], ebp
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.005a5500
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x4ade4a
mov eax, dword [edi + 0x18]
add eax, ebp
push ecx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.005a5500
add esp, 0xc
mov eax, dword [esp + 0x18]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x4ade5a
mov dword [eax + 0x1c], edi
mov dword [esp + 0x18], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x4add82
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop edi
pop ebp
test eax, eax
je 0x4ade7e
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x4adeb8
test ebx, ebx
je 0x4ade9d
mov esi, dword [ebx + 0x1c]
push ebx
call dword [0x64c028]
add esp, 4
mov ebx, esi
test esi, esi
jne 0x4ade86
mov esi, dword [esp + 8]
mov eax, dword [esp + 0x28]
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
mov esi, 8
mov dword [esp + 0x10], esi
jmp 0x4ade6d
test ebx, ebx
jne 0x4adec8
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
Function at 0x4b2390
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x1c4
mov eax, dword [0x64c00c]
xor eax, esp
mov dword [esp + 0x1c0], eax
cmp byte [0x65970d], 0
push ebx
mov ebx, dword [esp + 0x1cc]
mov dword [esp + 0x10], ebx
jne 0x4b23c9
call fcn.0050a490
test eax, eax
je 0x4b23e1
mov byte [0x65970d], 1
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c0]
xor ecx, esp
call fcn.00483ab6
add esp, 0x1c4
ret
mov eax, dword [ebx + 0x5c0]
test eax, eax
je 0x4b2402
push 0x400
push eax
call fcn.0050a5b0
add esp, 8
call fcn.0050a490
test eax, eax
jne 0x4b23c9
push ebp
push esi
push edi
nop word [eax + eax]
mov ebx, 2
mov dword [esp + 0x18], 4
lea eax, [esp + 0x90]
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], eax
nop dword [eax]
lea eax, [esp + 0x40]
push eax
call fcn.004a0da0
push 0
push 1
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x3c], xmm0
movups xmmword [esp + 0x2c], xmm0
call fcn.004a9270
lea eax, [esp + 0x5c]
push eax
call fcn.004a0da0
mov esi, dword [eax + 8]
lea eax, [esp + 0x70]
push eax
call fcn.004a0da0
add esp, 0x14
lea ebp, [ebx + 1]
mov ecx, eax
mov eax, esi
cdq
push 0
add eax, dword [ecx]
push ebp
adc edx, dword [ecx + 4]
push edx
push eax
call fcn.005cf310
movups xmm1, xmmword [esp + 0x30]
mov esi, dword [esp + 0x10]
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.005cf310
xor edi, eax
xor ebx, edx
lea eax, [esp + 0x70]
mov dword [esp + 0x20], edi
push eax
mov dword [esp + 0x28], ebx
call fcn.004a0da0
lea esi, [eax + 8]
lea eax, [esp + 0x84]
push eax
call fcn.004a0da0
mov edx, dword [esp + 0x18]
add esp, 8
mov ebx, ebp
mov dword [esp + 0x10], ebx
mov ecx, dword [eax]
add ecx, dword [esi]
lea eax, [edx + 2]
imul edx, dword [esp + 0x28]
imul ecx, eax
mov eax, dword [esp + 0x14]
shl ecx, 0x10
xor ecx, edx
mov dword [esp + 0x28], ecx
movups xmm0, xmmword [esp + 0x20]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [esp + 0x18], 1
mov dword [esp + 0x14], eax
jne 0x4b2430
movsd xmm0, qword [0x5e0ef0]
lea eax, [esp + 0x90]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.0050a2d0
add esp, 0x10
call fcn.0050a490
test eax, eax
je 0x4b2410
lea eax, [esp + 0xd0]
mov byte [esp + 0xd0], 0
push 0x100
push eax
call fcn.0050a4f0
add esp, 8
cmp byte [esp + 0xd0], 0
pop edi
pop esi
pop ebp
je 0x4b2594
lea eax, [esp + 0xc4]
push 0x400
push eax
call fcn.0050a5b0
add esp, 8
call fcn.0050a490
test eax, eax
jne 0x4b23c9
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [esp + 0x14]
call fcn.00498af0
add esp, 8
call fcn.0050a490
mov ecx, dword [esp + 0x1c4]
neg eax
pop ebx
sbb eax, eax
xor ecx, esp
and eax, 0xffffffdd
add eax, 0x23
call fcn.00483ab6
add esp, 0x1c4
ret
Function at 0x4b3ef0
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x64c02c]
mov edi, eax
add esp, 8
test edi, edi
je 0x4b3f47
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x4b3f5f
cmp esi, ebx
je 0x4b3f5f
cmp esi, 0x8000
ja 0x4b3f5f
cmp esi, ebx
jb 0x4b3f58
push esi
push edi
call dword [0x64c02c]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4b3f10
push ebp
call dword [0x64c028]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x64c028]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4b5550
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push 0
mov byte [esp + 0x12], cl
lea ecx, [esp + 0x10]
push 3
mov eax, dword [esi + 0xc]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b559c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00498a30
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.004b5160
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x4b56f0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov eax, dword [ebx + 0xc]
mov ebp, dword [ebx + 0x134]
mov dword [esp + 8], eax
jne 0x4b583f
push esi
push edi
lea eax, [ebp + 0x1cb4]
lea edi, [ebp + 0x1eb4]
mov dword [edi], eax
cmp eax, edi
jae 0x4b573d
mov byte [eax], 0xff
inc eax
mov dword [edi], eax
cmp eax, edi
jae 0x4b573d
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b573d
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebp + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x18], eax
movzx eax, word [ebp + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x18]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b57a7
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov dword [ebp + 0x1eb8], eax
lea esi, [ebp + 0x1cb4]
sub eax, esi
mov dword [edi], esi
sub eax, 2
push eax
lea eax, [ebp + 0x1cb6]
push eax
push 0x3e
push ebx
call fcn.004b5260
mov eax, dword [esp + 0x20]
add esp, 0x10
mov edi, dword [sym.imp.WS2_32.dll_send]
push 0
push 3
push esi
push dword [eax + 0x148]
call edi
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4b57ff
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00498a30
add esp, 0xc
push 4
lea eax, [ebp + 0x1cb7]
push eax
push ebx
call fcn.004b55c0
add esp, 0xc
lea eax, [ebp + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x148]
call edi
test eax, eax
jns 0x4b583d
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00498a30
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4b6cb0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x64c00c]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
mov ebx, dword [esp + 0x90]
push ebp
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x428]
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
lea eax, [esp + 0x18]
push eax
mov eax, dword [edi + 0x13c]
push 0
add eax, 4
push eax
push dword [edi + 0x148]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x4b6d36
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.005a5500
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x130], eax
mov esi, dword [edi + 0x134]
cmp esi, 4
jge 0x4b6d71
push str.Received_too_short_packet
push ebx
call fcn.00498a30
add esp, 8
mov dword [edi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00483ab6
add esp, 0x88
ret
mov edx, dword [edi + 0x148]
movzx eax, byte [edx]
movzx ecx, byte [edx + 1]
shl eax, 8
or ecx, eax
mov dword [edi + 0xc], ecx
dec ecx
cmp ecx, 5
ja case.0x4b6d90.1
jmp dword [ecx*4 + 0x4b6e9c]
cmp esi, 4
jle case.0x4b6d90.4
movzx ecx, byte [edx + 2]
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x144]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4b6d90.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebx
call fcn.00498980
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4b6deb
push 5
push edi
call fcn.004b77c0
add esp, 8
mov eax, esi
jmp 0x4b6d58
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.004a7a60
jmp 0x4b6e71
movzx ecx, byte [edx + 2]
lea ebp, [edx + 4]
movzx eax, byte [edx + 3]
add esi, 0xfffffffc
shl ecx, 8
or ecx, eax
push esi
push ebp
mov dword [edi + 8], ecx
call fcn.004b7830
add esp, 8
cmp eax, esi
jae case.0x4b6d90.4
push ebp
push str.TFTP_error:__s_n
push ebx
call fcn.00498af0
jmp 0x4b6e71
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.004b6a40
add esp, 0xc
test eax, eax
je case.0x4b6d90.4
jmp 0x4b6d58
push str.Internal_error:_Unexpected_packet
push 0x636854
push ebx
call fcn.00498a30
add esp, 0xc
push ebx
call fcn.004a7e60
add esp, 4
test eax, eax
je 0x4b6d56
push 5
push edi
call fcn.004b77c0
add esp, 8
mov eax, 0x2a
jmp 0x4b6d58
Function at 0x4be040
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x64c00c]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
or esi, 0xffffffff
push eax
mov ebx, dword [edi + 0xc]
mov ebp, dword [ebx + 0x14c]
push ebp
mov dword [esp + 0x1c], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4be0a3
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push ebx
push edi
call fcn.00499480
add esp, 0xc
cmp esi, 0xffffffff
jne 0x4be0c8
push str.Error_accept__ing_server_connect
push edi
call fcn.00498a30
add esp, 8
mov eax, 0x1e
jmp 0x4be138
push str.Connection_accepted_from_server_n
push edi
call fcn.00498af0
push 1
push esi
mov byte [ebx + 0x256], 0
mov dword [ebx + 0x14c], esi
call fcn.004c8160
add esp, 0x10
mov byte [ebx + 0x269], 1
cmp dword [edi + 0x1b8], 0
je 0x4be136
push 1
push edi
call fcn.004894a0
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.004894a0
add esp, 0x1c
test esi, esi
je 0x4be136
push ebx
push edi
call fcn.004be5d0
add esp, 8
mov eax, 0x2a
jmp 0x4be138
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00483ab6
add esp, 0x88
ret
Function at 0x4c0070
Capabilities:
Check http status code

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0xc]
cmp eax, 0x64
jb 0x4c00a0
push str.Couldnt_set_desired_mode
push esi
call fcn.00498a30
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
ret
cmp ecx, 0xc8
je 0x4c00b7
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push esi
call fcn.00498af0
add esp, 0xc
mov eax, dword [esp + 0x18]
push ebp
cmp eax, 0x13
jne 0x4c00d2
push ebx
push esi
call fcn.004bff70
add esp, 8
mov edi, eax
pop ebp
pop edi
pop esi
pop ebx
ret
cmp eax, 0x14
jne 0x4c01e3
mov edi, dword [esi + 0xc]
xor ebx, ebx
cmp dword [esi + 0x500], 2
mov dword [esp + 0x18], edi
jne 0x4c0151
mov eax, dword [esi + 0x134]
mov eax, dword [eax]
test eax, eax
je 0x4c0151
push 3
push ebx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x1c], ebx
push ecx
push ebx
push eax
push esi
call fcn.004b3ff0
mov edi, eax
add esp, 0x18
test edi, edi
jne 0x4c0210
push 0x2f
push dword [esp + 0x18]
call fcn.005a6a50
add esp, 8
test eax, eax
je 0x4c0140
mov ebx, dword [esp + 0x14]
mov ecx, 1
sub eax, ebx
cmovne ecx, eax
mov byte [ecx + ebx], 0
jmp 0x4c014d
push dword [esp + 0x14]
call dword [0x64c028]
add esp, 4
mov edi, dword [esp + 0x18]
mov ecx, dword [esi + 0x544]
test ecx, ecx
jne 0x4c016f
cmp byte [esi + 0xd05], 0
mov ecx, str.NLST
mov eax, str.LIST
cmove ecx, eax
mov edx, 0x6365b4
test ebx, ebx
mov eax, edx
cmovne eax, ebx
push eax
mov eax, 0x636830
cmove eax, edx
push eax
push ecx
push 0x5da9c4
call fcn.004aa720
push ebx
mov ebp, eax
call dword [0x64c028]
add esp, 0x14
test ebp, ebp
jne 0x4c01ac
mov edi, 0x1b
pop ebp
mov eax, edi
pop edi
pop esi
pop ebx
ret
push ebp
push 0x636854
lea eax, [edi + 0x428]
push eax
push esi
call fcn.004cda80
push ebp
mov edi, eax
call dword [0x64c028]
add esp, 0x14
test edi, edi
jne 0x4c0210
mov eax, dword [esi + 0xc]
pop ebp
mov dword [eax + 0x4ac], 0x1f
mov eax, edi
pop edi
pop esi
pop ebx
ret
cmp eax, 0x15
jne 0x4c01fc
push 0xd
push 1
push esi
call fcn.004bfaf0
add esp, 0xc
mov edi, eax
pop ebp
pop edi
pop esi
pop ebx
ret
cmp eax, 0x16
jne 0x4c0210
push 0xe
push 1
push esi
call fcn.004bfaf0
add esp, 0xc
mov edi, eax
pop ebp
mov eax, edi
pop edi
pop esi
pop ebx
ret
Function at 0x4d07a0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x64c024]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4d07c7
pop edi
pop esi
pop ecx
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 [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x4d0812
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [esp + 0x20], ebx
jmp 0x4d0816
mov ebp, dword [esp + 0x1c]
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4d0876
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub ebx, 1
jne 0x4d0835
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4d08a7
nop dword [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x5e4d50
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5e4d51
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4d0880
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret