joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40a456
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
je 0x40a4f3
push ebx
push esi
call fcn.0040a41f
xor ebx, ebx
sub eax, esi
push ebx
push ebx
push ebx
push ebx
sar eax, 1
push eax
push esi
push ebx
push ebx
mov dword [ebp - 8], eax
call fcn.0040a368
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x40a4a0
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x40a4f2
push edi
push eax
call fcn.0040b056
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x40a4c0
call fcn.00408f91
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x40a4f1
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.0040a368
add esp, 0x20
test eax, eax
jne 0x40a4df
push edi
call fcn.00408f91
jmp 0x40a4e7
push ebx
call fcn.00408f91
mov ebx, edi
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, ebx
pop edi
pop ebx
pop esi
leave
ret

Function at 0x40b7d9
Capabilities:
Allocate thread local storage

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x43f468
push 0x43f460
push str.FlsAlloc
push 0x1e
call fcn.0040b69a
mov esi, eax
add esp, 0x10
test esi, esi
je 0x40b80d
push dword [ebp + 8]
mov ecx, esi
call dword [0x41212c]
call esi
jmp 0x40b813
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
pop esi
pop ebp
ret 4

Function at 0x40b857
Capabilities:
Get thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x43f478
push 0x43f470
push str.FlsGetValue
push 0x20
call fcn.0040b69a
mov esi, eax
add esp, 0x10
test esi, esi
je 0x40b88e
push dword [ebp + 8]
mov ecx, esi
call dword [0x41212c]
call esi
pop esi
pop ebp
ret 4
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsGetValue]
Function at 0x410d10
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x410d3d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x410d3d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x401120
Capabilities:
Check for peb beingdebugged flag
Get number of processors

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x44
mov eax, dword [section..data]
xor eax, esp
mov dword [esp + 0x40], eax
push ebx
push esi
push edi
nop word [eax + eax]
mov eax, dword fs:[0x30]
cmp byte [eax + 2], 0
je 0x401157
mov ecx, dword [sym.imp.MSVCP140.dll_class_std::basic_ostream_char__struct_std::char_traits_char___std::cout]
call fcn.00401250
lea ecx, [esp + 0x30]
call fcn.00401000
mov ebx, dword [esp + 0x34]
cmp ebx, 0x7fffffff
jg 0x401185
mov esi, dword [esp + 0x30]
jl 0x40117a
cmp esi, 0xc46535ff
jae 0x401185
add esi, 0x3b9aca00
adc ebx, 0
jmp 0x40118d
or esi, 0xffffffff
mov ebx, 0x7fffffff
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], esi
lea ecx, [esp + 0x18]
call fcn.00401000
cmp dword [esp + 0x1c], ebx
jg 0x401140
jl 0x4011ac
cmp dword [esp + 0x18], esi
jae 0x401140
call dword [sym.imp.MSVCP140.dll__Xtime_get_ticks]
push 0
push 0x64
push edx
push eax
call fcn.00402340
sub esi, dword [esp + 0x18]
mov edi, eax
mov eax, dword [esp + 0x10]
mov ebx, edx
sbb eax, dword [esp + 0x1c]
mov ecx, esi
mov edx, eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x20], eax
call fcn.00402380
comisd xmm0, xmmword [0x403150]
jbe 0x4011fc
mov esi, edi
mov eax, 0xad160000
add esi, 0xad160000
mov ecx, 0x311cd
jmp 0x401206
mov ecx, dword [esp + 0x20]
add esi, edi
mov eax, dword [esp + 0x2c]
add edi, eax
push 0
push 0x3b9aca00
adc ebx, ecx
push ebx
push edi
call fcn.004021b0
mov dword [esp + 0x38], eax
imul eax, eax, 0x3b9aca00
mov dword [esp + 0x3c], edx
sub esi, eax
lea eax, [esp + 0x38]
push eax
mov dword [esp + 0x44], esi
call dword [sym.imp.MSVCP140.dll__Thrd_sleep]
mov esi, dword [esp + 0x18]
add esp, 4
mov ebx, dword [esp + 0x10]
jmp 0x401195

Function at 0x401d1f
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x401d5e
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x401d5e
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x401d5e
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x401d5e
cmp dword [ecx + 0x74], 0xe
jbe 0x401d5e
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret
Function at 0x406294
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
push esi
mov esi, 0x104
lea eax, [ebp - 0x120]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
cmp eax, esi
pop esi
jbe 0x4062b8
xor eax, eax
test eax, eax
je 0x4062ca
cmp byte [ebp + eax - 0x121], 0x5c
je 0x4062ca
xor ecx, ecx
jmp 0x4062cd
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx + 0x409014]
lea eax, [ebp + eax - 0x120]
push ecx
push str._s_s.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0x10
lea eax, [ebp - 0x120]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExA]
leave
ret 4

Function at 0x4063b9
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x42229c], 0
push esi
jne 0x4063f0
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x4063ca
mov dword [ecx*4 + 0x422298], eax
inc ecx
cmp ecx, 0x100
jl 0x4063c5
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x406421
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422298]
xor eax, esi
inc ecx
dec edx
jne 0x406403
pop edi
not eax
pop esi
ret 0xc

Function at 0x404c1a
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push esi
push edi
movzx esi, word [esp + 0xc]
push 2
push esi
call sub.MFC42.DLL_AfxFindResourceHandle
mov edi, eax
push 2
push esi
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
mov esi, eax
test esi, esi
je 0x404c61
push esi
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x404c61
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
test eax, eax
je 0x404c61
push eax
call fcn.00404be7
add esp, 4
cmp ax, 0x10
je 0x404c65
xor eax, eax
jmp 0x404c6e
push 0
push esi
push edi
call sub.MFC42.DLL_AfxLoadSysColorBitmap
pop edi
pop esi
ret
Function at 0x430003
Capabilities:
Encode data using xor

Disassembly:
pushal
nop
nop
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
nop
nop
nop
nop
pop edi
cmp eax, 0
nop
nop
nop
je 0x430072
nop
nop
nop
nop
mov ebx, 0x408f6c
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
push eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
mov esi, 0x4f172c95
nop
nop
nop
nop
nop
xor dword [eax], esi
nop
add eax, edi
nop
nop
nop
nop
nop
nop
loop 0x430060
nop
nop
mov eax, section..data
nop
nop
cmp eax, 0
nop
je 0x4300d2
nop
nop
nop
nop
nop
mov ebx, 0x42e3d0
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
push eax
mov eax, ecx
nop
nop
nop
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
pop eax
nop
nop
nop
nop
nop
nop
mov esi, 0x287e05a2
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x4300c0
nop
nop
popal
nop
nop
nop
jmp 0x401219
Function at 0x100018a0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0xc], 1
jne 0x10001932
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_DisableThreadLibraryCalls]
push 0
push str.Warcraft_III
call dword [sym.imp.USER32.dll_FindWindowA]
push str.Game.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push str.Game.dll
mov dword [0x1005b614], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edx, dword [0x1005b614]
push 0
push 0
push 0
mov dword [0x1005b610], eax
lea ecx, [edx + 0xab4f80]
add eax, 0x2f3cf0
mov dword [0x1005b600], ecx
push 0x10001600
mov dword [0x1005b608], eax
lea ecx, [edx + 0x2f8e40]
push 0
lea eax, [edx + 0x3b4e60]
mov dword [0x1005b604], ecx
push 0
mov dword [0x1005b60c], eax
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, 1
pop ebp
ret 0xc
Function at 0x1000a3d0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x1005b028]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x1000a49b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.100256b0
add esp, 0xc
test eax, eax
jne 0x1000a49b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.100256b0
add esp, 0xc
test eax, eax
jne 0x1000a49b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x1000a424
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.10025680
add esp, 0xc
test eax, eax
je 0x1000a458
sub eax, esi
push eax
push 0x2e
push esi
call fcn.10025680
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x1000a45a
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
mov ebx, 0x1505
add edi, esi
cmp esi, edi
jae 0x1000a486
mov al, byte [esi]
push eax
call fcn.100173a0
movsx ecx, al
inc esi
mov eax, ebx
add esp, 4
shl eax, 5
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp esi, edi
jb 0x1000a468
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.1004b525
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.1004b525
add esp, 0x18
ret
Function at 0x10014330
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x608], 0
je 0x10014374
push 1
push edi
call fcn.10005fc0
push dword [edi + 0x59c]
mov eax, dword [edi + 0x608]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.10005fc0
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov edx, dword [esp + 0x10]
mov ecx, edx
sub ecx, 0
je 0x10014389
sub ecx, 1
je 0x10014389
sub ecx, 1
jne 0x100143ba
push dword [edi + 0x598]
mov esi, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
lea eax, [edx*2 + 0x1004e6a8]
push 1
add eax, edx
push 2
push eax
call esi
push dword [edi + 0x598]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x10014ac0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov eax, dword [0x1005b028]
xor eax, esp
mov dword [esp + 0x108], eax
mov eax, dword [esp + 0x118]
mov edx, dword [esp + 0x114]
push ebx
mov ebx, dword [esp + 0x114]
mov dword [esp + 8], eax
xor eax, eax
push ebp
mov ebp, dword [esp + 0x128]
mov ecx, dword [ebx + 0x424]
cmp edx, ecx
push esi
sete al
mov esi, 0x448
push edi
lea eax, [eax*4 + 0x420]
mov eax, dword [eax + ebx]
mov dword [esp + 0x10], eax
mov eax, 0x458
cmove esi, eax
mov eax, dword [ebx + 0x548]
add esi, ebx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x10014bcd
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x438]
cmp dword [eax + ebx], 0x10014680
jne 0x10014bcd
cmp dword [esi], 0
je 0x10014b58
test edi, edi
je 0x10014bcd
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.10022970
add esp, 0x14
cmp eax, 0xffffffff
je 0x10014bcd
test al, 1
je 0x10014bcd
cmp dword [esi], 0
jne 0x10014ba4
mov eax, dword [ebx]
mov eax, dword [eax + 0x90c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [section..data]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
mov ecx, dword [esi]
test ecx, ecx
je 0x10014bc6
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x10014bcd
add dword [esi + 8], eax
jmp 0x10014bcd
mov dword [esi + 4], 0
push 0
push dword [esp + 0x130]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
cmp edi, 0xffffffff
jne 0x10014c36
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x10014c07
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x10014c3b
push 0x100
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.1003d5e0
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.100143c0
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xd44], esi
mov eax, 0x37
jmp 0x10014c38
xor eax, eax
mov dword [ebp], edi
mov ecx, dword [esp + 0x118]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1004b525
add esp, 0x10c
ret
Function at 0x10015040
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x474], 0
je 0x1001505d
push eax
call fcn.1000e890
add esp, 4
test eax, eax
je 0x1001507e
mov al, 1
ret
mov eax, dword [eax + 0x420]
cmp eax, 0xffffffff
je 0x1001507e
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
setne al
ret
xor al, al
ret
Function at 0x10016e40
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 0x10016e5a
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 0x1004eb28
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x10016ea3
test ebp, ebp
je 0x10016e94
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 0x10016ec9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x10016ec9
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 0x10016f7f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10016ee6
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 0x10016f75
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x10016f75
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10016f18
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 0x10016f30
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 0x10016f40
test ebp, ebp
je 0x10016f6c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x1005b004]
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 [0x1005b004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x1001b030
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x1001b044
mov eax, dword [eax]
mov eax, dword [eax + 0x78]
mov al, byte [eax + 0xe7]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x1001b058
xor al, al
ret
push eax
push 0
call fcn.10014f70
add esp, 8
mov al, 1
ret

Function at 0x1001bbe0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov ecx, dword [esp + 4]
mov eax, dword [ecx]
cmp byte [eax + 0xb2c], 0
je 0x1001bbf8
mov dword [esp + 4], ecx
jmp fcn.10040100
mov dword [esp + 4], ecx
jmp fcn.1000aa10
Function at 0x10020e90
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 [0x1005b028]
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 0x10021076
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 0x10021064
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x10021064
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 0x10021064
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x10021064
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x10021064
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x10021064
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x10021064
push ebx
push 0x100503a4
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.10024160
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x10020fc2
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 0x10021064
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 0x10021064
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x10021017
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x1002101c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x10021006
cmp esi, 0xfffffffc
je 0x10021049
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x10021064
cmp esi, 0xfffffffd
je 0x10021049
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x10021064
cmp esi, 0xfffffffe
je 0x10021049
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x10021064
cmp esi, 0xffffffff
je 0x10021049
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x10021064
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.1004b525
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.1004b525
add esp, 0x34
ret
Function at 0x10026400
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push esi
xor esi, esi
mov dword [esp + 4], esi
mov dword [eax], esi
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x100265b2
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x1002659c
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x1002644f
lea ebp, [eax + 0xe]
jmp 0x1002645b
cmp eax, 0x17
jne 0x10026509
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x10026509
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x10026509
cmp eax, ebp
jb 0x10026509
push 0x20
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
je 0x10026591
mov ecx, dword [ebx]
mov dword [edi], ecx
mov ecx, dword [ebx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [edi + 8], ecx
mov eax, dword [ebx + 0xc]
push ebp
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], ebp
mov dword [edi + 0x18], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x10026580
push ebp
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x100264f5
push eax
call dword [0x1005b00c]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x10026566
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x10026505
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x10026442
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x10026528
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x10026598
test esi, esi
je 0x10026555
push dword [esi + 0x18]
call dword [0x1005b004]
push dword [esi + 0x14]
call dword [0x1005b004]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x1005b004]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x10026530
mov eax, dword [esp + 0x28]
xor esi, esi
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
push dword [edi + 0x18]
mov ebx, 8
call dword [0x1005b004]
push edi
call dword [0x1005b004]
add esp, 8
jmp 0x10026518
push edi
mov ebx, 8
call dword [0x1005b004]
add esp, 4
jmp 0x10026518
mov ebx, 8
jmp 0x10026518
test esi, esi
jne 0x100265a8
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret

Function at 0x10026a10
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 0x10026a37
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x1002a1d0
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 [0x1005b008]
mov edi, eax
add esp, 8
test edi, edi
je 0x1002a227
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 0x1002a23f
cmp esi, ebx
je 0x1002a23f
cmp esi, 0x8000
ja 0x1002a23f
cmp esi, ebx
jb 0x1002a238
push esi
push edi
call dword [0x1005b008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x1002a1f0
push ebp
call dword [0x1005b004]
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 [0x1005b004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x1002fec0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x1005b028]
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]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x424]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1002ff22
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 edi
call fcn.10014f70
add esp, 8
cmp esi, 0xffffffff
jne 0x1002ff46
push str.Error_accept__ing_server_connect
push ebx
call fcn.100143c0
add esp, 8
mov eax, 0x1e
jmp 0x1002ffb5
push str.Connection_accepted_from_server_n
push ebx
call fcn.100144a0
push 1
push esi
mov byte [edi + 0x514], 0
mov dword [edi + 0x424], esi
call fcn.10021090
add esp, 0x10
mov byte [edi + 0x7f0], 1
cmp dword [ebx + 0x610], 0
je 0x1002ffb3
push 1
push ebx
call fcn.10005fc0
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.10005fc0
add esp, 0x1c
test esi, esi
je 0x1002ffb3
push edi
call fcn.10030450
add esp, 4
mov eax, 0x2a
jmp 0x1002ffb5
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1004b525
add esp, 0x88
ret