joyce8/EMBER2024-capa huggingface dataset:
Function at 0x472710
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push esi
mov esi, ecx
push edi
mov eax, dword [esi]
cmp eax, 0x270
jne 0x47275f
lea edx, [esi + 8]
mov edi, eax
mov ecx, dword [edx]
lea edx, [edx + 4]
xor ecx, dword [edx - 8]
and ecx, 0x7fffffff
xor ecx, dword [edx - 8]
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx + 0x62c]
xor eax, ecx
mov dword [edx + 0x9b8], eax
sub edi, 1
jne 0x472722
mov eax, dword [esi]
jmp 0x472848
cmp eax, 0x4e0
jb 0x472848
push ebx
mov ebx, dword [esi + 0x9c4]
lea edi, [esi + 0x9c4]
push ebp
mov ebp, 0xe3
nop dword [eax]
lea edx, [edi]
mov eax, ebx
mov ebx, dword [edx + 4]
lea edi, [edx + 4]
mov ecx, ebx
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx + 0x634]
xor eax, ecx
mov dword [edx - 0x9c0], eax
sub ebp, 1
jne 0x472780
mov ebx, dword [esi + 0xd50]
lea edi, [esi + 0xd50]
mov ebp, 0x18c
nop dword [eax]
mov eax, ebx
lea edx, [edi]
mov ebx, dword [edx + 4]
lea edi, [edx + 4]
mov ecx, eax
xor ecx, ebx
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx - 0xd4c]
xor eax, ecx
mov dword [edx - 0x9c0], eax
sub ebp, 1
jne 0x4727d0
mov eax, dword [esi + 0x1380]
mov ecx, dword [esi + 4]
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
pop ebp
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [esi + 0x634]
xor eax, ecx
mov dword [esi + 0x9c0], eax
xor eax, eax
pop ebx
mov dword [esi], 0
mov edx, dword [esi + eax*4 + 4]
inc eax
mov dword [esi], eax
mov ecx, edx
mov eax, dword [esi + 0x1384]
shr ecx, 0xb
and eax, ecx
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov eax, edx
shr eax, 0x12
pop edi
xor eax, edx
pop esi
ret
Function at 0x47ebf0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x47ec9f
push esi
call fcn.00492a40
add esp, 4
test al, al
jne 0x47ec9f
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x47ec17
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.0049ba90
add esp, 0xc
test eax, eax
je 0x47ec4b
sub eax, esi
push eax
push 0x2e
push esi
call fcn.0049ba90
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x47ec4d
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
lea ebx, [esi + edi]
mov edi, 0x1505
cmp esi, ebx
jae 0x47ec7e
nop dword [eax]
mov al, byte [esi]
push eax
call fcn.00490340
movsx ecx, al
inc esi
mov eax, edi
add esp, 4
shl eax, 5
add eax, edi
xor ecx, eax
mov edi, ecx
cmp esi, ebx
jb 0x47ec60
mov eax, 0x4104105
mov esi, edi
mul edi
sub esi, edx
shr esi, 1
add esi, edx
shr esi, 5
mov ecx, esi
shl ecx, 6
sub ecx, esi
sub edi, ecx
mov eax, edi
pop edi
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x4897b0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp byte [edi + 0x6bb], 0
je 0x48984f
cmp dword [edi + 0x194], 0
je 0x489807
push edi
call fcn.004798f0
push 1
push edi
mov byte [esp + 0x14], al
call fcn.00479da0
push dword [edi + 0x144]
mov eax, dword [edi + 0x194]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push dword [esp + 0x28]
push edi
call fcn.00479da0
add esp, 0x28
pop edi
ret
mov ecx, dword [esp + 0xc]
mov eax, ecx
sub eax, 0
je 0x48981c
sub eax, 1
je 0x48981c
sub eax, 1
jne 0x48984f
push dword [edi + 0x140]
lea eax, [ecx*2 + 0x4d4128]
push 1
add eax, ecx
push 2
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
push dword [edi + 0x140]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x20
pop edi
ret

Function at 0x48cea0
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 0x48ceba
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 0x4d47dc
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x48cf03
test ebp, ebp
je 0x48cef4
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 0x48cf29
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x48cf29
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 0x48cfdf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x48cf46
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 0x48cfd5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x48cfd5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x48cf78
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 0x48cf90
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 0x48cfa0
test ebp, ebp
je 0x48cfcc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4ef004]
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 [0x4ef004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x490b90
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 0x490c3b
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.00483200
add esp, 0xc
cmp eax, 4
jne 0x490bf6
cmp byte [0x4f02bc], 0
jne 0x490c02
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 0x490c3d
mov eax, dword [esp + 0x1c]
jmp 0x490c1f
imul eax, dword [0x4f02b8], 0x41c64e6d
add eax, 0x3039
mov dword [0x4f02b8], eax
rol eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x490c33
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x490c23
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x490bb0
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x490c50
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
sub ebx, 1
je 0x490cc8
mov esi, dword [esp + 0x14]
mov ebp, 0x3e
nop word [eax + eax]
push 4
lea eax, [esp + 0x20]
push eax
push esi
call fcn.00483200
add esp, 0xc
cmp eax, 4
jne 0x490ca9
cmp byte [0x4f02bc], 0
jne 0x490cd2
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
test eax, eax
jne 0x490cef
test eax, eax
jne 0x490ccd
mov eax, dword [esp + 0x1c]
cmp eax, 0xfffffffc
jae 0x490c70
xor edx, edx
div ebp
mov al, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]
mov byte [edi], al
inc edi
sub ebx, 1
jne 0x490c70
mov byte [edi], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
imul eax, dword [0x4f02b8], 0x41c64e6d
add eax, 0x3039
mov dword [0x4f02b8], eax
rol eax, 0x10
mov dword [esp + 0x1c], eax
jmp 0x490cb1
pop edi
pop esi
pop ebp
mov eax, 2
pop ebx
ret

Function at 0x490d00
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call sub.VCRUNTIME140.dll_memset
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 0x492bf0
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x492c2e
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x114], 0
jne 0x492c1f
push 0
call fcn.00492bf0
add esp, 4
test al, al
mov eax, dword [esi + 0x7c]
setne cl
inc cl
mov byte [eax + 0x114], cl
mov eax, dword [esi + 0x7c]
pop esi
cmp byte [eax + 0x114], 2
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x492c43
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret

Function at 0x4939a0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x6c
mov eax, dword [0x4ef400]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x70]
push ebp
mov ebp, dword [esp + 0x78]
push edi
xor edi, edi
mov dword [esp + 8], eax
cmp byte [eax + 0x6bb], 0
je 0x493b82
cmp byte [ebp + 0x18], 0
push ebx
lea ebx, [ebp + 0x18]
je 0x493b81
lea eax, [esp + 0x30]
push eax
push ebx
push 2
call fcn.004a0820
add esp, 0xc
test eax, eax
jg 0x493b81
lea eax, [esp + 0x34]
push eax
push ebx
push 0x17
call fcn.004a0820
add esp, 0xc
test eax, eax
jg 0x493b81
cmp byte [ebx], 0
mov eax, str._none_
push esi
push dword [ebp + 0x14]
mov esi, dword [ebp]
cmovne eax, ebx
mov ebp, dword [esp + 0x14]
push eax
push str.Host__s:_d_was_resolved.
push ebp
call fcn.00489930
lea eax, [esp + 0x24]
push 0x400
push eax
call fcn.004792d0
lea eax, [esp + 0x3c]
push 0x400
push eax
call fcn.004792d0
add esp, 0x20
test esi, esi
je 0x493af4
lea edx, [edi + 0x10]
mov ecx, dword [esi + 4]
cmp ecx, 0x17
je 0x493a68
cmp ecx, 2
jne 0x493ae9
xor eax, eax
mov byte [esp + 0x48], 0
cmp ecx, 2
lea ebx, [esp + 0x14]
cmovne eax, edx
add ebx, eax
sub ecx, 2
je 0x493a97
sub ecx, 0x15
jne 0x493aaf
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 8
push eax
push 0x17
jmp 0x493aa7
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 4
push eax
push 2
call fcn.004bd110
add esp, 0x10
push ebx
call fcn.004792f0
add esp, 4
test eax, eax
je 0x493ace
push 2
push 0x4ded48
push ebx
call fcn.00479290
add esp, 0xc
mov edi, eax
test edi, edi
jne 0x493b14
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00479230
mov edi, eax
add esp, 8
test edi, edi
jne 0x493b14
lea edx, [eax + 0x10]
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x493a57
lea eax, [esp + 0x24]
push eax
call fcn.004792f0
add esp, 4
test eax, eax
je 0x493b24
lea eax, [esp + 0x24]
push eax
call fcn.00479300
add esp, 4
jmp 0x493b29
push str.too_many_IP__cant_show
push ebp
call fcn.00489930
add esp, 8
jmp 0x493b69
mov eax, str._none_
push eax
push str.IPv6:__s
push ebp
call fcn.00489930
lea eax, [esp + 0x20]
push eax
call fcn.004792f0
add esp, 0x10
test eax, eax
je 0x493b55
lea eax, [esp + 0x14]
push eax
call fcn.00479300
add esp, 4
jmp 0x493b5a
mov eax, str._none_
push eax
push str.IPv4:__s
push ebp
call fcn.00489930
add esp, 0xc
lea eax, [esp + 0x14]
push eax
call fcn.004792a0
lea eax, [esp + 0x28]
push eax
call fcn.004792a0
add esp, 8
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
pop edi
pop ebp
xor ecx, esp
call fcn.004ca5c5
add esp, 0x6c
ret
Function at 0x49c1f0
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.0047ef50
push dword [esp + 0x38]
mov esi, dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call esi
push dword [esp + 0x40]
mov edi, eax
call esi
mov ebp, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebp
test eax, eax
jne 0x49c285
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.0047ef50
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.0047f000
add esp, 0x20
test edx, edx
ja 0x49c2a9
jb 0x49c277
cmp eax, 0x3e8
ja 0x49c2a9
push 1
call ebx
push 1
push esi
push edi
call ebp
test eax, eax
je 0x49c240
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x49c295
push edi
call ebx
add esp, 4
test esi, esi
je 0x49c29f
push esi
call ebx
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x49c2b9
push edi
call ebx
add esp, 4
test esi, esi
je 0x49c2c3
push esi
call ebx
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x49c7b0
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 0x49c93f
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x49c92a
push ebx
push ebp
mov eax, dword [esi + 0x14]
test eax, eax
je 0x49c80c
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x49c800
sub eax, edx
inc eax
jmp 0x49c80e
xor eax, eax
mov ecx, dword [esi + 4]
mov dword [esp + 0x14], eax
cmp ecx, 2
jne 0x49c81f
lea ebp, [ecx + 0xe]
jmp 0x49c82b
cmp ecx, 0x17
jne 0x49c8cc
lea ebp, [ecx + 5]
cmp dword [esi + 0x18], 0
je 0x49c8cc
mov ecx, dword [esi + 0x10]
test ecx, ecx
je 0x49c8cc
cmp ecx, ebp
jb 0x49c8cc
add eax, 0x20
add eax, ebp
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x49c91b
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 sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x49c8b8
mov eax, dword [ebx + 0x18]
add eax, ebp
push ecx
mov dword [ebx + 0x14], eax
push dword [esi + 0x14]
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov eax, dword [esp + 0x18]
test edi, edi
cmove edi, ebx
test eax, eax
je 0x49c8c8
mov dword [eax + 0x1c], ebx
mov dword [esp + 0x18], ebx
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x49c7f2
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop ebp
pop ebx
test eax, eax
je 0x49c8ec
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x49c926
test edi, edi
je 0x49c90b
mov esi, dword [edi + 0x1c]
push edi
call dword [0x4ef004]
add esp, 4
mov edi, esi
test esi, esi
jne 0x49c8f4
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 0x49c8db
test edi, edi
jne 0x49c936
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 0x49cd40
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x49cd67
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x4a03f0
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 [0x4ef008]
mov edi, eax
add esp, 8
test edi, edi
je 0x4a0447
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 0x4a045f
cmp esi, ebx
je 0x4a045f
cmp esi, 0x8000
ja 0x4a045f
cmp esi, ebx
jb 0x4a0458
push esi
push edi
call dword [0x4ef008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4a0410
push ebp
call dword [0x4ef004]
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 [0x4ef004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4a1c50
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 + 0x18]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4a1c9c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00489860
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.004a1870
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x4a1e00
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 + 0x18]
mov ebp, dword [ebx + 0x124]
mov dword [esp + 8], eax
jne 0x4a1f53
push esi
lea ecx, [ebp + 0x1cc4]
push edi
lea edi, [ebp + 0x1ec4]
mov eax, ecx
mov dword [edi], ecx
cmp ecx, edi
jae 0x4a1e3d
lea eax, [ecx + 1]
mov byte [ecx], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x4a1e51
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1e51
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 0x4a1ebb
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1ebb
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1ebb
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1ebb
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1ebb
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4a1ebb
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov dword [ebp + 0x1ec8], eax
lea esi, [ebp + 0x1cc4]
sub eax, esi
mov dword [edi], esi
sub eax, 2
push eax
lea eax, [ebp + 0x1cc6]
push eax
push 0x3e
push ebx
call fcn.004a1970
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 + 0x1a0]
call edi
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4a1f13
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00489860
add esp, 0xc
push 4
lea eax, [ebp + 0x1cc7]
push eax
push ebx
call fcn.004a1cc0
add esp, 0xc
lea eax, [ebp + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x1a0]
call edi
test eax, eax
jns 0x4a1f51
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00489860
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4a3350
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x4ef400]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push ebp
mov ebp, dword [esp + 0x98]
xor ebx, ebx
push esi
push edi
mov eax, dword [ebp + 0x18]
mov edi, dword [eax + 0x3f0]
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
lea eax, [esp + 0x1c]
push eax
mov eax, dword [edi + 0x13c]
push ebx
add eax, 4
push eax
push dword [edi + 0x148]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
mov dword [edi + 0x134], eax
cmp dword [edi + 0x130], ebx
jne 0x4a33d6
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xb0]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x130], eax
mov esi, dword [edi + 0x134]
cmp esi, 4
jge 0x4a3411
push str.Received_too_short_packet
push ebp
call fcn.00489860
add esp, 8
mov dword [edi + 0xc], 7
mov eax, ebx
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ca5c5
add esp, 0x8c
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.0x4a3430.1
jmp dword [ecx*4 + 0x4a351c]
cmp esi, 4
jle case.0x4a3430.4
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.0x4a3430.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebp
call fcn.0048a7c0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je case.0x4a3430.4
push 5
push edi
call fcn.004a3e30
add esp, 8
jmp 0x4a33f6
movzx ecx, byte [edx + 2]
lea eax, [edx + 4]
mov dword [esp + 0x14], eax
add esi, 0xfffffffc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
lea eax, [edx + 4]
push esi
push eax
mov dword [edi + 8], ecx
call fcn.004a3ea0
add esp, 8
cmp eax, esi
jae case.0x4a3430.4
push dword [esp + 0x14]
push str.TFTP_error:__s
push ebp
call fcn.00489930
jmp 0x4a34f1
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.004a3100
mov ebx, eax
add esp, 0xc
test ebx, ebx
je case.0x4a3430.4
jmp 0x4a33f6
push str.Internal_error:_Unexpected_packet
push 0x4ded40
push ebp
call fcn.00489860
add esp, 0xc
push ebp
call fcn.0049a3e0
add esp, 4
test eax, eax
je 0x4a33f6
push 5
push edi
call fcn.004a3e30
add esp, 8
mov eax, 0x2a
jmp 0x4a33f8
Function at 0x4aa8f0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x8c
mov eax, dword [0x4ef400]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
mov ebx, dword [edi + 0x18]
mov esi, dword [ebx + 0x1a4]
push esi
mov dword [esp + 0x18], 0xffffffff
mov dword [esp + 0x1c], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4aa95b
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [esp + 0xc], eax
jmp 0x4aa95f
mov eax, dword [esp + 0xc]
cmp eax, 0xffffffff
jne 0x4aa98f
push str.Error_accept__ing_server_connect
push edi
call fcn.00489860
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004ca5c5
add esp, 0x8c
ret
push str.Connection_accepted_from_server
push edi
call fcn.00489930
mov byte [ebx + 0x24d], 0
push 1
push dword [esp + 0x18]
call fcn.004c20a0
lea eax, [esp + 0x1c]
push eax
push 1
push ebx
push edi
call fcn.004bbe00
add esp, 0x20
test eax, eax
jne 0x4aaa29
cmp dword [edi + 0x19c], eax
je 0x4aaa27
push 1
push edi
call fcn.00479da0
mov eax, dword [edi + 0x19c]
push 1
push dword [esp + 0x18]
push dword [edi + 0x1a0]
call eax
push 0
push edi
mov esi, eax
call fcn.00479da0
add esp, 0x1c
test esi, esi
je 0x4aaa27
push 1
push edi
call fcn.00488f00
push 1
push ebx
push edi
call fcn.00488d00
add esp, 0x14
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004ca5c5
add esp, 0x8c
ret
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004ca5c5
add esp, 0x8c
ret