joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4e6320
Capabilities:
Create new key via cryptacquirecontext
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4e6352
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x800c
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4e6460
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x5330b0]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4e648d
pop edi
pop esi
mov esp, ebp
pop ebp
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 [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x4e64d7
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x4e64dd
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4e653b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x4e6500
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4e6567
mov eax, dword [esi + 4]
push 1
push 0x5192b8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5192b9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4e6540
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4e6900
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
test edi, edi
je 0x4e6950
push ebx
mov ebx, dword [ebp + 8]
mov cl, byte [esi + ebx]
mov dl, cl
mov al, cl
shr dl, 1
and al, 0xfe
not dl
movzx eax, al
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
or cl, 1
and dl, 2
movzx ecx, cl
cmp dl, 2
cmovb ecx, eax
mov byte [esi + ebx], cl
inc esi
cmp esi, edi
jb 0x4e6912
pop ebx
pop edi
pop esi
pop ebp
ret
Function at 0x4e69a0
Capabilities:
Hash data using md4
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
push 0xf0000040
push 1
push 0
push 0
lea edi, [esi + 4]
mov dword [esi], 0
push esi
mov dword [edi], 0
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4e69df
push edi
push 0
push 0
push 0x8002
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop edi
pop esi
pop ebp
ret

Function at 0x4ffc15
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004ffa8b

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x40a7b0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x40a85f
push esi
call fcn.0041f5d0
add esp, 4
test al, al
jne 0x40a85f
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x40a7d7
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.00429260
add esp, 0xc
test eax, eax
je 0x40a80b
sub eax, esi
push eax
push 0x2e
push esi
call fcn.00429260
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x40a80d
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 0x40a83e
nop dword [eax]
mov al, byte [esi]
push eax
call fcn.0041bf80
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 0x40a820
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 0x4189c0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov ebx, eax
test ebx, ebx
jne 0x4189da
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push 0x47eda8
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x47edb8
push esi
call fcn.00463896
add esp, 8
test eax, eax
je 0x418a22
test ebp, ebp
je 0x418a13
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_LoadLibraryW]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x418a48
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x418a48
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_GetSystemDirectoryW]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x418b22
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x418a65
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x418b18
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x418b18
mov ecx, ebx
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x418aa6
sub ecx, edx
sar ecx, 1
mov dword [ebx + ecx*2], 0x5c
mov ecx, ebx
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x418ac1
sub ecx, edx
sar ecx, 1
add ecx, ecx
sub ecx, esi
add ecx, ebx
nop word [eax + eax]
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x418ae0
test ebp, ebp
je 0x418b0f
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x495004]
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_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x495004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x418b90
Capabilities:
Get common file path
Initialize winsock library
Link many functions at runtime

Disassembly:
sub esp, 0x198
mov eax, dword [0x4953c0]
xor eax, esp
mov dword [esp + 0x194], eax
test byte [esp + 0x19c], 2
je 0x418bf1
lea eax, [esp + 4]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x418bd7
mov eax, dword [esp + 4]
cmp al, 2
jne 0x418bd1
shr eax, 8
cmp al, 2
je 0x418bf1
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
mov ecx, dword [esp + 0x194]
xor ecx, esp
call fcn.00458bde
add esp, 0x198
ret
call fcn.004490d0
test eax, eax
jne 0x418dd7
push ebp
push esi
push edi
push str.kernel32
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov ebp, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
test edi, edi
jne 0x418c25
mov dword [0x495f9c], esi
jmp 0x418d5c
push ebx
push 0x47eda8
push edi
call ebp
push 0x47edb8
push str.iphlpapi.dll
mov ebx, eax
call fcn.00463896
add esp, 8
test eax, eax
je 0x418c6e
test ebx, ebx
je 0x418c5c
push 8
push 0
push str.iphlpapi.dll
call ebx
mov esi, eax
jmp 0x418d40
push str.iphlpapi.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov esi, eax
jmp 0x418d40
test ebx, ebx
je 0x418c93
push str.AddDllDirectory
push edi
call ebp
test eax, eax
je 0x418c93
push 0x800
push 0
push str.iphlpapi.dll
call ebx
mov esi, eax
jmp 0x418d40
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov dword [esp + 0x10], eax
test eax, eax
je 0x418d40
lea ecx, [eax*2 + 0x1a]
push ecx
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
je 0x418d36
push dword [esp + 0x10]
push edi
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x418d36
mov ecx, edi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x418cd4
sub ecx, edx
mov edx, edi
sar ecx, 1
mov dword [edi + ecx*2], 0x5c
lea ecx, [edx + 2]
nop
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x418cf0
sub edx, ecx
mov ecx, str.iphlpapi.dll
sar edx, 1
add edx, edx
sub edx, ecx
add edx, edi
nop word [eax + eax]
movzx eax, word [ecx]
lea ecx, [ecx + 2]
mov word [edx + ecx - 2], ax
test ax, ax
jne 0x418d10
test ebx, ebx
je 0x418d2d
push 8
push 0
push edi
call ebx
jmp 0x418d34
push edi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov esi, eax
push edi
call dword [0x495004]
add esp, 4
mov dword [0x495f9c], esi
pop ebx
test esi, esi
je 0x418d5c
push str.if_nametoindex
push esi
call ebp
test eax, eax
je 0x418d5c
mov dword [0x495f8c], eax
push str.ws2_32
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov esi, eax
test esi, esi
je 0x418d94
push str.FreeAddrInfoExW
push esi
call ebp
push str.GetAddrInfoExCancel
push esi
mov dword [0x495f90], eax
call ebp
push str.GetAddrInfoExW
push esi
mov dword [0x495f94], eax
call ebp
mov dword [0x495f98], eax
push 3
push 2
push 0
push 0
push 6
call fcn.00448cd0
push 3
push 2
push 0
test al, al
push 2
push 6
setne byte [0x496bd9]
call fcn.00448cd0
add esp, 0x28
test al, al
setne byte [0x496bd8]
push 0x496be0
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
pop edi
pop esi
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x194]
xor ecx, esp
call fcn.00458bde
add esp, 0x198
ret
Function at 0x41f5d0
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x18
mov eax, dword [0x4953c0]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
lea eax, [esp + 4]
push eax
push esi
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jg 0x41f618
lea eax, [esp + 8]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
pop esi
setg al
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00458bde
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
mov al, 1
pop esi
xor ecx, esp
call fcn.00458bde
add esp, 0x18
ret

Function at 0x41f780
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x41f7be
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x104], 0
jne 0x41f7af
push 0
call fcn.0041f780
add esp, 4
test al, al
mov eax, dword [esi + 0x7c]
setne cl
inc cl
mov byte [eax + 0x104], cl
mov eax, dword [esi + 0x7c]
pop esi
cmp byte [eax + 0x104], 2
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x41f7d3
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret
Function at 0x420520
Capabilities:
Convert ip address from string
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x6c
mov eax, dword [0x4953c0]
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 + 0x6c3], 0
je 0x4206f9
cmp byte [ebp + 0x18], 0
push ebx
lea ebx, [ebp + 0x18]
je 0x4206f8
push esi
mov esi, dword [sym.imp.WS2_32.dll_inet_pton]
lea eax, [esp + 0x34]
push eax
push ebx
push 2
call esi
test eax, eax
jg 0x4206f7
lea eax, [esp + 0x38]
push eax
push ebx
push 0x17
call esi
test eax, eax
jg 0x4206f7
push dword [ebp + 0x14]
cmp byte [ebx], 0
mov eax, str._none_
mov esi, dword [ebp]
mov ebp, dword [esp + 0x14]
cmovne eax, ebx
push eax
push str.Host__s:_d_was_resolved.
push ebp
call fcn.00416330
lea eax, [esp + 0x24]
push 0x400
push eax
call fcn.0040adf0
lea eax, [esp + 0x3c]
push 0x400
push eax
call fcn.0040adf0
add esp, 0x20
test esi, esi
je 0x42066b
lea edx, [edi + 0x10]
mov ecx, dword [esi + 4]
cmp ecx, 0x17
je 0x4205e2
cmp ecx, 2
jne 0x420660
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 0x420611
sub ecx, 0x15
jne 0x420626
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 8
push eax
push 0x17
jmp 0x420621
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 4
push eax
push 2
call sub.WS2_32.dll_inet_ntop
push ebx
call fcn.0040ae10
add esp, 4
test eax, eax
je 0x420645
push 2
push 0x47e93c
push ebx
call fcn.0040adb0
add esp, 0xc
mov edi, eax
test edi, edi
jne 0x42068b
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.0040ad50
mov edi, eax
add esp, 8
test edi, edi
jne 0x42068b
lea edx, [eax + 0x10]
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x4205d1
lea eax, [esp + 0x24]
push eax
call fcn.0040ae10
add esp, 4
test eax, eax
je 0x42069b
lea eax, [esp + 0x24]
push eax
call fcn.0040ae20
add esp, 4
jmp 0x4206a0
push str.too_many_IP__cant_show
push ebp
call fcn.00416330
add esp, 8
jmp 0x4206e0
mov eax, str._none_
push eax
push str.IPv6:__s
push ebp
call fcn.00416330
lea eax, [esp + 0x20]
push eax
call fcn.0040ae10
add esp, 0x10
test eax, eax
je 0x4206cc
lea eax, [esp + 0x14]
push eax
call fcn.0040ae20
add esp, 4
jmp 0x4206d1
mov eax, str._none_
push eax
push str.IPv4:__s
push ebp
call fcn.00416330
add esp, 0xc
lea eax, [esp + 0x14]
push eax
call fcn.0040adc0
lea eax, [esp + 0x28]
push eax
call fcn.0040adc0
add esp, 8
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
pop edi
pop ebp
xor ecx, esp
call fcn.00458bde
add esp, 0x6c
ret
Function at 0x4299c0
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.0040ab10
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call fcn.00428cf0
push dword [esp + 0x40]
mov edi, eax
call fcn.00428cf0
mov ebx, dword [sym.imp.KERNEL32.dll_MoveFileExW]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebx
test eax, eax
jne 0x429a55
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.0040ab10
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.0040abc0
add esp, 0x20
test edx, edx
ja 0x429a79
jb 0x429a47
cmp eax, 0x3e8
ja 0x429a79
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x429a10
test edi, edi
je 0x429a62
push edi
call fcn.00460de8
add esp, 4
test esi, esi
je 0x429a6f
push esi
call fcn.00460de8
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x429a86
push edi
call fcn.00460de8
add esp, 4
test esi, esi
je 0x429a93
push esi
call fcn.00460de8
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x429f70
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 0x42a0ff
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x42a0ea
push ebx
push ebp
mov eax, dword [esi + 0x14]
test eax, eax
je 0x429fcc
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x429fc0
sub eax, edx
inc eax
jmp 0x429fce
xor eax, eax
mov ecx, dword [esi + 4]
mov dword [esp + 0x14], eax
cmp ecx, 2
jne 0x429fdf
lea ebp, [ecx + 0xe]
jmp 0x429feb
cmp ecx, 0x17
jne 0x42a08c
lea ebp, [ecx + 5]
cmp dword [esi + 0x18], 0
je 0x42a08c
mov ecx, dword [esi + 0x10]
test ecx, ecx
je 0x42a08c
cmp ecx, ebp
jb 0x42a08c
add eax, 0x20
add eax, ebp
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x42a0db
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.0045a1a0
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x42a078
mov eax, dword [ebx + 0x18]
add eax, ebp
push ecx
mov dword [ebx + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.0045a1a0
add esp, 0xc
mov eax, dword [esp + 0x18]
test edi, edi
cmove edi, ebx
test eax, eax
je 0x42a088
mov dword [eax + 0x1c], ebx
mov dword [esp + 0x18], ebx
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x429fb2
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop ebp
pop ebx
test eax, eax
je 0x42a0ac
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x42a0e6
test edi, edi
je 0x42a0cb
mov esi, dword [edi + 0x1c]
push edi
call dword [0x495004]
add esp, 4
mov edi, esi
test esi, esi
jne 0x42a0b4
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 0x42a09b
test edi, edi
jne 0x42a0f6
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 0x42a500
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call fcn.0046a470
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x42a526
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x42a570
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 0x42a620
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.004106b0
add esp, 0xc
cmp eax, 4
je 0x42a5b3
mov ecx, eax
jmp 0x42a5dd
cmp byte [0x495fa4], 0
jne 0x42a5e7
push 2
push 4
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb ecx, ecx
and ecx, 2
mov eax, ecx
test eax, eax
jne 0x42a622
mov eax, dword [esp + 0x1c]
jmp 0x42a604
imul eax, dword [0x495fa0], 0x41c64e6d
add eax, 0x3039
mov dword [0x495fa0], eax
ror eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x42a618
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x42a608
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x42a590
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x42a630
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 0x42a6ab
mov esi, dword [esp + 0x14]
mov ebp, 0x3e
nop word [eax + eax]
push 4
lea eax, [esp + 0x20]
push eax
push esi
call fcn.004106b0
add esp, 0xc
cmp eax, 4
jne 0x42a68c
cmp byte [0x495fa4], 0
jne 0x42a6b5
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
test eax, eax
jne 0x42a6b0
mov eax, dword [esp + 0x1c]
cmp eax, 0xfffffffc
jae 0x42a650
xor edx, edx
div ebp
mov al, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]
mov byte [edi], al
inc edi
sub ebx, 1
jne 0x42a650
mov byte [edi], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
imul eax, dword [0x495fa0], 0x41c64e6d
add eax, 0x3039
mov dword [0x495fa0], eax
ror eax, 0x10
mov dword [esp + 0x1c], eax
jmp 0x42a694

Function at 0x42a6e0
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call fcn.00459dd0
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 0x42d640
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 [0x495008]
mov edi, eax
add esp, 8
test edi, edi
je 0x42d697
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 0x42d6af
cmp esi, ebx
je 0x42d6af
cmp esi, 0x8000
ja 0x42d6af
cmp esi, ebx
jb 0x42d6a8
push esi
push edi
call dword [0x495008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x42d660
push ebp
call dword [0x495004]
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 [0x495004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x42ebc0
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 + 0x108]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x42ec0c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00416260
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.0042e7e0
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x42ed70
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0xc
cmp dword [esp + 0x14], 0x1f
push ebx
mov ebx, dword [esp + 0x14]
mov ecx, dword [ebx + 0x11c]
mov eax, dword [ebx + 0x18]
mov dword [esp + 0x14], ecx
mov dword [esp + 4], eax
jne 0x42eedc
push ebp
push esi
lea ebp, [ecx + 0x1cc4]
push edi
lea edi, [ecx + 0x1ec4]
mov eax, ebp
mov dword [edi], ebp
cmp ebp, edi
jae 0x42edb4
lea eax, [ebp + 1]
mov byte [ebp], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x42edc8
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x42edc8
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ecx + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x24], eax
shr eax, 8
mov dword [esp + 0x14], eax
movzx ecx, word [ecx + 0x1caa]
push ecx
call esi
mov ecx, dword [edi]
mov edx, eax
shr edx, 8
mov dword [esp + 0x18], eax
cmp ecx, edi
jae 0x42ee45
mov eax, dword [esp + 0x24]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x42ee45
mov eax, dword [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x42ee45
mov eax, dword [esp + 0x18]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x42ee45
mov byte [ecx], dl
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x42ee45
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x42ee45
mov byte [ecx], 0xf0
mov ecx, dword [edi]
inc ecx
mov esi, dword [esp + 0x20]
mov dword [edi], ebp
mov dword [esi + 0x1ec8], ecx
lea eax, [esi + 0x1cc6]
sub ecx, ebp
sub ecx, 2
push ecx
push eax
push 0x3e
push ebx
call fcn.0042e8e0
mov eax, dword [esp + 0x20]
add esp, 0x10
push 0
push 3
push ebp
push dword [eax + 0x108]
mov ebp, dword [sym.imp.WS2_32.dll_send]
call ebp
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x42ee9b
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00416260
add esp, 0xc
push 4
lea eax, [esi + 0x1cc7]
push eax
push ebx
call fcn.0042ec30
add esp, 0xc
lea eax, [esi + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x108]
call ebp
test eax, eax
jns 0x42eed9
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00416260
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret