joyce8/EMBER2024-capa huggingface dataset:
Function at 0x472ec0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x110
mov eax, dword [0x508040]
xor eax, esp
mov dword [esp + 0x10c], eax
mov eax, dword [esp + 0x11c]
mov edx, dword [esp + 0x118]
push ebx
mov ebx, dword [esp + 0x118]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x128]
mov dword [esp + 4], eax
mov ecx, dword [ebx + 0xc]
cmp edx, dword [ecx + 0x128]
je 0x472f27
cmp edx, dword [ecx + 0x12c]
je 0x472f27
mov eax, 0x2b
pop ebx
mov ecx, dword [esp + 0x10c]
xor ecx, esp
call fcn.004af2b0
add esp, 0x110
ret
push ebp
push esi
xor eax, eax
mov esi, 0x158
push edi
mov edi, dword [ecx + 0x12c]
cmp edx, edi
mov dword [esp + 0x18], edi
sete al
lea eax, [eax*4 + 0x128]
mov ebp, dword [eax + ecx]
mov eax, 0x168
cmove esi, eax
mov eax, dword [ecx + 0x238]
add esi, ecx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x44], 3
je 0x472ff1
xor eax, eax
cmp edx, dword [esp + 0x18]
sete al
lea eax, [eax*4 + 0x140]
cmp dword [eax + ecx], 0x482550
jne 0x472ff1
cmp dword [esi], 0
je 0x472f8c
test edi, edi
je 0x472ff1
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.00483e50
add esp, 0x14
cmp eax, 0xffffffff
je 0x472ff1
test al, 1
je 0x472ff1
mov ecx, dword [esi]
test ecx, ecx
jne 0x472fda
mov eax, dword [ebx + 0x4c0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [section..data]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
je 0x473023
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x472ff1
add dword [esi + 8], eax
push 0
push dword [esp + 0x134]
push dword [esp + 0x1c]
push ebp
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
xor eax, eax
cmp edi, 0xffffffff
jne 0x473058
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x47302e
lea eax, [edi + 0x52]
jmp 0x473058
mov ecx, dword [esp + 0x10]
mov eax, 0x1b
jmp 0x473063
push 0x100
lea eax, [esp + 0x20]
push eax
push esi
call fcn.0045e830
push eax
push str.Send_failure:__s
push ebx
call fcn.004727e0
add esp, 0x18
mov dword [ebx + 0x938], esi
mov eax, 0x37
mov ecx, dword [esp + 0x10]
mov dword [ecx], edi
cmp edi, 0xffffffff
jne 0x473069
mov dword [ecx], 0
mov ecx, dword [esp + 0x11c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004af2b0
add esp, 0x110
ret

Function at 0x473b60
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ecx
push 0
push dword [esp + 0xc]
call fcn.00482510
add esp, 8
test al, al
je 0x473b8b
push dword [esp + 0xc]
push dword [esp + 0xc]
call fcn.0046cab0
add esp, 8
test eax, eax
je 0x473bb1
mov al, 1
pop ecx
ret
mov eax, dword [esp + 0xc]
mov eax, dword [eax + 0x128]
cmp eax, 0xffffffff
je 0x473bb1
push 2
push 1
lea ecx, [esp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
setne al
pop ecx
ret
xor al, al
pop ecx
ret
Function at 0x473e00
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x508040]
xor eax, esp
mov dword [esp + 0x184], eax
push ebx
mov ebx, dword [esp + 0x190]
lea eax, [esp + 8]
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [esp + 0x1a4]
push 0x80
push 0
push eax
mov dword [esp + 0x18], 0x80
call fcn.004b25e0
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x1a4]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x473e87
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.0045e830
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x473ec7
push edi
push esi
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.00473870
add esp, 0x10
test al, al
jne 0x473ed0
call fcn.004c11cf
mov esi, dword [eax]
call fcn.004c11cf
mov edi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.0045e830
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004727e0
add esp, 0x1c
mov ecx, dword [esp + 0x190]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004af2b0
add esp, 0x188
ret

Function at 0x474180
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x57dc64]
mov dword [esp + 4], 0x4020
mov dword [esp], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x4741d1
push 3
push 2
push eax
push eax
push 6
call fcn.0049ec30
add esp, 0x14
test al, al
je 0x4741c5
mov dword [0x57dc64], 2
add esp, 0xc
ret
mov dword [0x57dc64], 1
jmp 0x4741d6
cmp eax, 2
je 0x47421c
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x474201
mov eax, dword [esp]
cmp eax, dword [esp + 4]
jg 0x47421c
push 4
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_setsockopt]
add esp, 0xc
ret
Function at 0x475a40
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x475a5a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4e3d2c
push esi
call fcn.004c2910
add esp, 8
test eax, eax
je 0x475aa2
test ebp, ebp
je 0x475a93
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 0x475ac8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x475ac8
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 0x475b7f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x475ae5
sub ecx, ebx
lea eax, [ecx + 1]
add eax, edx
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x475b75
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x475b75
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x475b17
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 0x475b30
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 0x475b40
test ebp, ebp
je 0x475b6c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x508004]
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 [0x508004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x47bed0
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x47bf0e
mov eax, dword [esi + 0x70]
cmp byte [eax + 0xe8], 0
jne 0x47beff
push 0
call fcn.0047bed0
add esp, 4
test al, al
mov eax, dword [esi + 0x70]
setne cl
inc cl
mov byte [eax + 0xe8], cl
mov eax, dword [esi + 0x70]
pop esi
cmp byte [eax + 0xe8], 2
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x47bf23
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret
Function at 0x484ad0
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.0047b2b0
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call fcn.004c7b2c
push dword [esp + 0x40]
mov edi, eax
call fcn.004c7b2c
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 0x484b65
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.0047b2b0
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.0047b360
add esp, 0x20
test edx, edx
ja 0x484b89
jb 0x484b57
cmp eax, 0x3e8
ja 0x484b89
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x484b20
test edi, edi
je 0x484b72
push edi
call fcn.004ba650
add esp, 4
test esi, esi
je 0x484b7f
push esi
call fcn.004ba650
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x484b96
push edi
call fcn.004ba650
add esp, 4
test esi, esi
je 0x484ba3
push esi
call fcn.004ba650
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x484cf0
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
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x508040]
xor eax, esp
mov dword [esp + 0x30], eax
push esi
push edi
mov edi, dword [esp + 0x4c]
push 6
push 1
push 2
mov dword [esp + 0x14], 0x10
mov dword [esp + 0x18], 1
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
je 0x484ee2
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x24], xmm0
mov word [esp + 0x1c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x1c], eax
xor eax, eax
push 4
mov word [esp + 0x1e], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push esi
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x484ed0
push 0x10
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x484ed0
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x484ed0
cmp dword [esp + 8], 0x10
jl 0x484ed0
push 1
push esi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x484ed0
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi], eax
cmp eax, 0xffffffff
je 0x484ed0
push 0x10
lea ecx, [esp + 0x1c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x484ed0
push 1
push esi
call fcn.0049e590
add esp, 8
test eax, eax
js 0x484ed0
push 0
push 0x2710
lea eax, [esp + 0x18]
mov dword [esp + 0x18], esi
push 1
push eax
mov dword [esp + 0x24], 0x300
call fcn.00483ac0
add esp, 0x10
push 0
push 0
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x484ed0
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x1c]
push eax
push dword [edi]
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x484ed0
cmp dword [esp + 8], 0x10
jl 0x484ed0
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x2c]
push eax
push dword [edi + 4]
call dword [sym.imp.WS2_32.dll_getpeername]
cmp eax, 0xffffffff
je 0x484ed0
cmp dword [esp + 8], 0x10
jl 0x484ed0
mov ax, word [esp + 0x18]
cmp ax, word [esp + 0x28]
jne 0x484ed0
mov eax, dword [esp + 0x1c]
cmp eax, dword [esp + 0x2c]
jne 0x484ed0
mov ax, word [esp + 0x1a]
cmp ax, word [esp + 0x2a]
jne 0x484ed0
push esi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.004af2b0
add esp, 0x34
ret
push esi
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
call esi
push dword [edi]
call esi
push dword [edi + 4]
call esi
mov ecx, dword [esp + 0x38]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, esp
call fcn.004af2b0
add esp, 0x34
ret
Function at 0x484f30
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
push edi
xor edi, edi
mov dword [esp + 0xc], edi
mov dword [eax], edi
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 0x4850bf
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x4850aa
push ebx
push ebp
mov eax, dword [esi + 0x14]
test eax, eax
je 0x484f8c
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x484f80
sub eax, edx
inc eax
jmp 0x484f8e
xor eax, eax
mov ecx, dword [esi + 4]
mov dword [esp + 0x14], eax
cmp ecx, 2
jne 0x484f9f
lea ebp, [ecx + 0xe]
jmp 0x484fab
cmp ecx, 0x17
jne 0x48504c
lea ebp, [ecx + 5]
cmp dword [esi + 0x18], 0
je 0x48504c
mov ecx, dword [esi + 0x10]
test ecx, ecx
je 0x48504c
cmp ecx, ebp
jb 0x48504c
add eax, 0x20
add eax, ebp
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x48509b
mov ecx, dword [esi]
mov dword [ebx], ecx
mov ecx, dword [esi + 4]
mov dword [ebx + 4], ecx
mov ecx, dword [esi + 8]
mov dword [ebx + 8], ecx
mov eax, dword [esi + 0xc]
mov dword [ebx + 0xc], eax
lea eax, [ebx + 0x20]
push ebp
mov dword [ebx + 0x10], ebp
mov dword [ebx + 0x14], 0
mov dword [ebx + 0x1c], 0
mov dword [ebx + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.004b2880
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x485038
mov eax, dword [ebx + 0x18]
add eax, ebp
push ecx
mov dword [ebx + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.004b2880
add esp, 0xc
mov eax, dword [esp + 0x18]
test edi, edi
cmove edi, ebx
test eax, eax
je 0x485048
mov dword [eax + 0x1c], ebx
mov dword [esp + 0x18], ebx
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x484f72
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop ebp
pop ebx
test eax, eax
je 0x48506c
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x4850a6
test edi, edi
je 0x48508b
mov esi, dword [edi + 0x1c]
push edi
call dword [0x508004]
add esp, 4
mov edi, esi
test esi, esi
jne 0x485074
mov esi, dword [esp + 8]
mov eax, dword [esp + 0x28]
xor edi, edi
mov dword [eax], edi
mov eax, esi
pop esi
pop edi
add esp, 0x10
ret
mov esi, 8
mov dword [esp + 0x10], esi
jmp 0x48505b
test edi, edi
jne 0x4850b6
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov dword [eax], edi
mov eax, esi
pop esi
pop edi
add esp, 0x10
ret

Function at 0x4854c0
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call fcn.004c01b8
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x4854e6
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x485530
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov ecx, 0x2b
test edi, edi
je 0x4855db
mov ebp, dword [esp + 0x14]
mov esi, dword [esp + 0x18]
nop dword [eax]
mov ebx, 4
lea eax, [esp + 0x1c]
push 4
push eax
cmp edi, ebx
push ebp
cmovb ebx, edi
call fcn.0046d3f0
add esp, 0xc
cmp eax, 4
jne 0x485596
cmp byte [0x57dc74], 0
jne 0x4855a2
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
mov ecx, eax
test eax, eax
jne 0x4855dd
mov eax, dword [esp + 0x1c]
jmp 0x4855bf
imul eax, dword [0x57dc70], 0x41c64e6d
add eax, 0x3039
mov dword [0x57dc70], eax
rol eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x4855d3
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x4855c3
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x485550
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4855f0
Capabilities:
Generate random numbers via winapi

Disassembly:
sub esp, 0x8c
mov eax, dword [0x508040]
xor eax, esp
mov dword [esp + 0x88], eax
mov eax, dword [esp + 0x90]
mov edx, dword [esp + 0x98]
mov dword [esp + 4], eax
mov eax, edx
push ebx
and eax, 0xfffffffe
lea ebx, [esp + 0xc]
push ebp
mov ebp, dword [esp + 0x9c]
cmp eax, 0x100
jae 0x485759
test dl, 1
je 0x485759
push esi
dec edx
mov esi, ebx
push edi
mov edi, edx
mov dword [esp + 0xa8], edx
shr edi, 1
mov ecx, 0x2b
je 0x485703
nop word [eax + eax]
push 4
lea eax, [esp + 0x14]
mov ebx, 4
push eax
push dword [esp + 0x1c]
cmp edi, ebx
cmovb ebx, edi
call fcn.0046d3f0
add esp, 0xc
cmp eax, 4
jne 0x4856a9
cmp byte [0x57dc74], 0
jne 0x4856b9
push 2
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
mov ecx, eax
test eax, eax
jne 0x485740
mov eax, dword [esp + 0x10]
jmp 0x4856d6
imul eax, dword [0x57dc70], 0x41c64e6d
add eax, 0x3039
mov dword [0x57dc70], eax
rol eax, 0x10
xor ecx, ecx
mov dword [esp + 0x10], eax
test ebx, ebx
je 0x4856f0
nop word [eax + eax]
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x4856e0
mov dword [esp + 0x10], eax
test edi, edi
jne 0x485660
mov edx, dword [esp + 0xa8]
lea ebx, [esp + 0x18]
mov eax, ecx
test eax, eax
jne 0x485740
test edx, edx
je 0x48573a
nop dword [eax]
movzx ecx, byte [ebx]
lea ebx, [ebx + 1]
mov eax, ecx
and ecx, 0xf
shr eax, 4
movzx eax, byte [eax + 0x4e5fdc]
mov byte [ebp], al
movzx eax, byte [ecx + 0x4e5fdc]
mov byte [ebp + 1], al
add ebp, 2
sub edx, 2
jne 0x485710
mov byte [ebp], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004af2b0
add esp, 0x8c
ret
mov ecx, dword [esp + 0x90]
mov eax, 0x2b
pop ebp
pop ebx
xor ecx, esp
call fcn.004af2b0
add esp, 0x8c
ret

Function at 0x485780
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call fcn.004b25e0
add esp, 0xc
push 2
push dword [esp + 0xc]
push dword [esp + 0xc]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
ret
Function at 0x489250
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 [0x508008]
mov edi, eax
add esp, 8
test edi, edi
je 0x4892a7
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 0x4892bf
cmp esi, ebx
je 0x4892bf
cmp esi, 0x8000
ja 0x4892bf
cmp esi, ebx
jb 0x4892b8
push esi
push edi
call dword [0x508008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x489270
push ebp
call dword [0x508004]
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 [0x508004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x48a6c0
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 + 0x128]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x48a70c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004727e0
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.0048a2e0
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x48a860
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 0x48a9b3
push esi
lea ecx, [ebp + 0x1cb4]
push edi
lea edi, [ebp + 0x1eb4]
mov eax, ecx
mov dword [edi], ecx
cmp ecx, edi
jae 0x48a89d
lea eax, [ecx + 1]
mov byte [ecx], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x48a8b1
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a8b1
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 0x48a91b
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a91b
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a91b
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a91b
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a91b
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x48a91b
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.0048a3e0
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 + 0x128]
call edi
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x48a973
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004727e0
add esp, 0xc
push 4
lea eax, [ebp + 0x1cb7]
push eax
push ebx
call fcn.0048a730
add esp, 0xc
lea eax, [ebp + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x128]
call edi
test eax, eax
jns 0x48a9b1
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004727e0
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x48be40
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x508040]
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 + 0x3d0]
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 0x48bec6
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004b2880
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x130], eax
mov esi, dword [edi + 0x134]
cmp esi, 4
jge 0x48bf01
push str.Received_too_short_packet
push ebx
call fcn.004727e0
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.004af2b0
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.0x48bf20.1
jmp dword [ecx*4 + 0x48c02c]
cmp esi, 4
jle case.0x48bf20.4
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.0x48bf20.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebx
call fcn.00472730
mov esi, eax
add esp, 0x10
test esi, esi
je 0x48bf7b
push 5
push edi
call fcn.0048c940
add esp, 8
mov eax, esi
jmp 0x48bee8
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.00482880
jmp 0x48c001
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.0048c9b0
add esp, 8
cmp eax, esi
jae case.0x48bf20.4
push ebp
push str.TFTP_error:__s
push ebx
call fcn.004728b0
jmp 0x48c001
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.0048bbf0
add esp, 0xc
test eax, eax
je case.0x48bf20.4
jmp 0x48bee8
push str.Internal_error:_Unexpected_packet
push 0x4f5940
push ebx
call fcn.004727e0
add esp, 0xc
push ebx
call fcn.00482c80
add esp, 4
test eax, eax
je 0x48bee6
push 5
push edi
call fcn.0048c940
add esp, 8
mov eax, 0x2a
jmp 0x48bee8