joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49d8aa
Capabilities:
Terminate process

Disassembly:
push 0x364
mov eax, 0x53b5c9
call fcn.0050d349
mov edi, ecx
call fcn.004cc20b
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
call esi
push eax
push str._INFO___d___OnCreate_1
push 3
push dword [0x59bdc4]
call fcn.004cc4c5
add esp, 0x10
mov ecx, edi
push 0xfffffffffffffff0
call fcn.0049c9e5
push eax
call dword [sym.imp.USER32.dll_GetWindowLongW]
and eax, 0xff3fffff
mov ecx, edi
or eax, 0x6000000
push eax
push 0xfffffffffffffff0
call fcn.0049c9e5
push eax
call dword [sym.imp.USER32.dll_SetWindowLongW]
mov eax, dword [edi]
lea ebx, [edi + 0x30]
mov ecx, edi
call dword [eax + 0x30]
push eax
push dword [edi + 4]
mov ecx, ebx
call fcn.0049ffd8
lea eax, [edi + 0x24]
mov ecx, ebx
push eax
call fcn.0049f4d5
lea ecx, [ebp - 0x36c]
call fcn.004cd593
mov eax, dword [edi]
lea ecx, [ebp - 0x118]
and dword [ebp - 4], 0
push ecx
mov ecx, edi
call dword [eax + 0x28]
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 1
call fcn.0049cb87
test al, al
jne 0x49d9c6
call esi
push eax
push str._INFO___d___OnCreate_2
push 3
push dword [0x59bdc4]
call fcn.004cc4c5
mov eax, dword [edi]
lea ecx, [ebp - 0x94]
add esp, 0x10
push ecx
mov ecx, edi
call dword [eax + 0x2c]
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.0049c4cf
push eax
call fcn.0050bb9f
pop ecx
lea ecx, [ebp - 0x94]
movzx esi, ax
mov byte [ebp - 4], 1
call fcn.0049c3db
push 0
lea eax, [edi + 0x28]
push ebx
push eax
lea ecx, [ebp - 0x118]
call fcn.0049c4cf
push eax
push esi
lea ecx, [ebp - 0x36c]
call fcn.004ce5b9
mov esi, eax
jmp 0x49da21
call esi
push eax
push str._INFO___d___OnCreate_3
push 3
push dword [0x59bdc4]
call fcn.004cc4c5
mov eax, dword [edi]
lea ecx, [ebp - 0x19c]
add esp, 0x10
lea esi, [edi + 0x28]
push ecx
mov ecx, edi
call dword [eax + 0x2c]
push 0
push ebx
push esi
push 0
mov ecx, eax
mov byte [ebp - 4], 3
call fcn.0049c4cf
push ecx
mov ecx, esp
mov dword [ecx], eax
lea ecx, [ebp - 0x36c]
call fcn.004ce5b9
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 1
mov esi, eax
call fcn.0049c3db
test esi, esi
jne 0x49da8a
push 0xffffffffffffffff
push 0x540b7c
lea ecx, [ebp - 0x94]
call fcn.0049c2d8
mov eax, dword [edi]
lea ecx, [ebp - 0x220]
push ecx
mov ecx, edi
mov byte [ebp - 4], 4
call dword [eax + 0x2c]
push eax
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 5
call fcn.0049c513
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 4
call fcn.0049c3db
push 0x10
push str.Duilib
lea ecx, [ebp - 0x94]
call fcn.0049c4cf
push eax
push esi
call dword [sym.imp.USER32.dll_MessageBoxW]
push 1
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push esi
mov ecx, ebx
call fcn.0049f56b
lea eax, [edi + 0x20]
mov ecx, ebx
push eax
call fcn.0049f41b
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x1c]
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 0
call fcn.0049c3db
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x36c]
call fcn.004cc6bf
xor eax, eax
call fcn.0050d2f8
ret 0x10
Function at 0x4a02f7
Capabilities:
Log keystrokes via polling

Disassembly:
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
xor esi, esi
push 0x11
call edi
push 8
pop ecx
test ax, ax
push 1
cmovs esi, ecx
call edi
test ax, ax
jns 0x4a031a
or esi, 1
push 2
call edi
test ax, ax
jns 0x4a0326
or esi, 2
push 0x10
call edi
test ax, ax
jns 0x4a0332
or esi, 4
push 0x12
call edi
test ax, ax
jns 0x4a033e
or esi, 0x20
pop edi
mov eax, esi
pop esi
ret
Function at 0x4a36e2
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
lea ecx, [esi + 0x4a8]
call fcn.0049c9e5
mov edi, dword [ebp + 8]
test eax, eax
jle 0x4a3738
push ebx
lea ecx, [esi + 0x4a8]
mov byte [ebp + 0xb], 0
call fcn.0049c4c0
lea ecx, [ebp + 0xb]
push ecx
push dword [ebp + 0x10]
mov edx, dword [eax]
mov ecx, eax
push dword [ebp + 0xc]
push edi
call dword [edx]
cmp byte [ebp + 0xb], 0
jne 0x4a3796
lea ecx, [esi + 0x4a8]
inc ebx
call fcn.0049c9e5
cmp ebx, eax
jl 0x4a3701
sub edi, 0x100
je 0x4a37fc
sub edi, 4
je 0x4a379a
dec edi
dec edi
jne 0x4a37f1
push dword [ebp + 0xc]
xor eax, eax
mov dword [ebp + 8], eax
call fcn.0050d9b3
pop ecx
mov ecx, dword [esi + 0x104]
lea edx, [ebp + 8]
push reloc.WS2_32.dll_select
mov word [ebp + 8], ax
push edx
mov eax, dword [ecx]
push 0x4a5005
call dword [eax + 0x134]
mov esi, eax
test esi, esi
je 0x4a37f1
mov edx, dword [esi]
mov ecx, esi
call dword [edx + pe_nt_image_headers32]
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x18]
mov al, 1
jmp 0x4a37f3
cmp dword [esi + 0x108], 0
je 0x4a37f1
xor eax, eax
lea edi, [ebp - 0x1c]
push 7
pop ecx
rep stosd dword es:[edi], eax
mov eax, dword [ebp + 0xc]
mov word [ebp - 0xc], ax
mov eax, dword [esi + 0x11c]
mov dword [ebp - 0x14], eax
mov eax, dword [esi + 0x120]
mov dword [ebp - 0x20], 6
mov dword [ebp - 0x10], eax
call fcn.004a02f7
mov word [ebp - 0xa], ax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [esi + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
cmp dword [ebp + 0xc], 9
jne 0x4a37f1
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x4a3855
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x4a3855
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x4a3855
mov ecx, dword [esi + 0x108]
push str.RichEditUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050917e
pop ecx
pop ecx
test eax, eax
je 0x4a3855
mov ecx, dword [esi + 0x108]
call fcn.004bb8f4
test al, al
jne 0x4a37f1
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x4a389d
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x4a389d
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x4a389d
mov ecx, dword [esi + 0x108]
push str.WkeWebkitUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.0050917e
pop ecx
pop ecx
test eax, eax
jne 0x4a37f1
push 0x10
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
mov ecx, esi
setns al
movzx eax, al
push eax
call fcn.004a48a2
jmp 0x4a3796
Function at 0x4a452d
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov ebx, ecx
call dword [sym.imp.USER32.dll_GetFocus]
mov ecx, dword [ebx + 0xa8]
mov esi, dword [ebp + 8]
cmp eax, ecx
je 0x4a4559
cmp esi, dword [ebx + 0x108]
je 0x4a4559
push ecx
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [ebx + 0x108]
cmp esi, eax
je 0x4a4630
push edi
test eax, eax
je 0x4a45b8
push 7
pop ecx
xor eax, eax
lea edi, [ebp - 0x1c]
rep stosd dword es:[edi], eax
mov dword [ebp - 0x20], 0x17
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [ebx + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor edi, edi
mov ecx, ebx
push edi
push edi
push edi
push str.killfocus
push dword [ebx + 0x108]
call fcn.004a417a
mov dword [ebx + 0x108], edi
test esi, esi
je 0x4a462f
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
cmp eax, ebx
jne 0x4a462f
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x100]
test al, al
je 0x4a462f
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x10c]
test al, al
je 0x4a462f
push 7
pop ecx
xor eax, eax
mov dword [ebx + 0x108], esi
lea edi, [ebp - 0x1c]
rep stosd dword es:[edi], eax
mov dword [ebp - 0x20], 0x18
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [ebx + 0x108]
lea edx, [ebp - 0x20]
mov dword [ebp - 0x18], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor eax, eax
mov ecx, ebx
push eax
push eax
push eax
push str.setfocus
push dword [ebx + 0x108]
call fcn.004a417a
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x4a5979
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
push dword [esi + 4]
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
je 0x4a59ab
xor eax, eax
inc eax
cmp byte [ebp + 0xc], 0
push 4
pop edx
cmovne edx, eax
xor eax, eax
cmp byte [ebp + 8], al
cmovne eax, edx
push eax
push dword [esi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
pop ebp
ret 8
Function at 0x4b702d
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, dword [esi + 8]
and edi, 7
je 0x4b7051
cmp dword [esi + 8], edi
jge 0x4b7049
push esi
call fcn.004b2582
pop ecx
mov ecx, edi
shr dword [esi + 0xc], cl
sub dword [esi + 8], edi
mov edx, dword [esi + 8]
xor ecx, ecx
test edx, edx
jle 0x4b7077
mov edi, dword [esi + 0xc]
mov al, byte [esi + 0xc]
sub edx, 8
mov byte [ebp + ecx + 8], al
inc ecx
shr edi, 8
mov dword [esi + 0xc], edi
test edx, edx
jg 0x4b705d
mov dword [esi + 8], edx
jmp 0x4b708c
mov eax, dword [esi]
cmp eax, dword [esi + 4]
jb 0x4b7082
xor dl, dl
jmp 0x4b7087
mov dl, byte [eax]
inc eax
mov dword [esi], eax
mov byte [ebp + ecx + 8], dl
inc ecx
cmp ecx, 4
jl 0x4b7077
mov eax, dword [ebp + 8]
movzx ecx, byte [ebp + 0xb]
movzx edi, ah
movzx eax, al
shl edi, 8
add edi, eax
shl ecx, 8
movzx eax, byte [ebp + 0xa]
add ecx, eax
mov eax, edi
xor eax, 0xffff
cmp ecx, eax
je 0x4b70c4
push str.zlib_corrupt
call fcn.004b24a5
pop ecx
jmp 0x4b7104
mov eax, dword [esi]
add eax, edi
cmp eax, dword [esi + 4]
jbe 0x4b70d4
push str.read_past_buffer
jmp 0x4b70bc
mov ecx, dword [esi + 0x10]
lea eax, [ecx + edi]
cmp eax, dword [esi + 0x18]
jbe 0x4b70ee
push edi
push ecx
push esi
call fcn.004ba381
add esp, 0xc
test eax, eax
je 0x4b7104
push edi
push dword [esi]
push dword [esi + 0x10]
call fcn.0050c730
add dword [esi], edi
xor eax, eax
add dword [esi + 0x10], edi
add esp, 0xc
inc eax
pop edi
pop esi
pop ebp
ret

Function at 0x4bd59e
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
push edi
xor edi, edi
cmp dword [esi + 0x69c], edi
je 0x4bd608
cmp dword [ebp + 8], 0x100
jne 0x4bd5f7
cmp word [ebp + 0xc], 0xd
jne 0x4bd5f7
cmp byte [esi + 0x6a2], 0
je 0x4bd5de
push 0x11
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
jns 0x4bd5f7
cmp byte [esi + 0x6a3], 0
jne 0x4bd5f7
mov ecx, dword [esi + 0x44]
test ecx, ecx
je 0x4bd5f3
push edi
push edi
push edi
push str.return
push esi
call fcn.004a417a
xor eax, eax
jmp 0x4bd60b
mov eax, dword [esi + 0x69c]
pop edi
pop esi
mov ecx, dword [eax + 0xc]
mov eax, dword [ecx]
pop ebp
jmp dword [eax + 0xc]
xor eax, eax
inc eax
pop edi
pop esi
pop ebp
ret 0x10
Function at 0x4be7c9
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x596700]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
push esi
mov esi, ecx
mov ecx, eax
shr ecx, 0x10
mov dword [ebp - 0x214], esi
push edi
test cx, cx
je 0x4be81d
add esi, 0x28
cmp word [eax], 0x3c
mov ecx, esi
jne 0x4be813
push eax
call fcn.004cc8e1
test al, al
jne 0x4be87a
xor eax, eax
jmp 0x4be8a4
push 0
push eax
call fcn.004cc92c
jmp 0x4be808
push edx
push eax
call fcn.0049ff46
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
je 0x4be80c
push edi
call fcn.0049ff46
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
jne 0x4be84d
push edi
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4be80c
push 0
push edi
add esi, 0x28
call fcn.0049ff46
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
mov ecx, esi
call fcn.004ccc27
test al, al
je 0x4be80c
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
lea eax, [ebp - 0x210]
mov ecx, esi
push eax
call fcn.004cc838
sub esp, 0x20c
mov esi, eax
mov edi, esp
mov ecx, 0x83
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebp - 0x214]
call fcn.004be4dd
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00508163
mov esp, ebp
pop ebp
ret 8
Function at 0x4c24ab
Capabilities:
Log keystrokes via polling

Disassembly:
sub ecx, 0x6c0
jmp fcn.004c21e4
Function at 0x4c97d7
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x596700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, ecx
push edi
cmp byte [esi + 0x18], 0
je 0x4c985f
cmp dword [esi + 0x10], 0
je 0x4c985f
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
lea edi, [eax + 1]
lea eax, [edi + edi]
call fcn.0050d7e0
mov ebx, esp
test ebx, ebx
je 0x4c985f
push edi
push ebx
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextW]
mov ecx, dword [esi + 0x10]
push ebx
add ecx, 0x1cc
call fcn.0049c473
mov ecx, dword [esi + 0x10]
xor eax, eax
push eax
push eax
push eax
mov eax, dword [ecx]
push 0x542438
push ecx
call dword [eax + 0x1c]
mov ecx, eax
call fcn.004a417a
mov ecx, dword [esi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.004a01d6
test al, al
je 0x4c985f
mov ecx, dword [esi + 0x10]
call fcn.004a6923
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00508163
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4cbd3b
Capabilities:
Create thread

Disassembly:
push 8
mov eax, 0x53cd72
call fcn.0050d316
mov esi, ecx
lea eax, [esi + 0xc]
xor ebx, ebx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x14], eax
mov byte [ebp - 0x10], bl
call fcn.004862d5
push ebx
push ebx
push dword [ebp + 0xc]
mov dword [ebp - 4], ebx
push dword [ebp + 8]
push ebx
push ebx
call fcn.0050ae66
add esp, 0x18
mov dword [ebp + 0xc], eax
test eax, eax
je 0x4cbd85
lea eax, [ebp + 0xc]
mov ecx, esi
push eax
call fcn.0048636e
mov bl, 1
cmp byte [ebp - 0x10], 0
je 0x4cbd96
mov ecx, dword [ebp - 0x14]
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov al, bl
call fcn.0050d2e4
ret 8

Function at 0x4cc20b
Capabilities:
Get common file path

Disassembly:
push 0x23c
mov eax, 0x53ceca
call fcn.0050d349
lea eax, [ebp - 0x218]
push eax
push 0x103
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
cmp word [ebp + eax*2 - 0x21a], 0x5c
je 0x4cc249
push 0x540de8
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatW]
xor eax, eax
mov dword [ebp - 0x21c], 7
xor ebx, ebx
mov word [ebp - 0x230], ax
mov dword [ebp - 0x220], ebx
cmp word [ebp - 0x218], ax
je 0x4cc27a
lea eax, [ebp - 0x218]
push eax
call fcn.0050cfd6
pop ecx
push eax
lea eax, [ebp - 0x218]
push eax
lea ecx, [ebp - 0x230]
call fcn.00450d41
mov esi, 0x54593c
mov dword [ebp - 4], ebx
push esi
call fcn.0050cfd6
pop ecx
push eax
push esi
lea ecx, [ebp - 0x230]
call fcn.0045439e
mov eax, dword [0x59be50]
mov esi, 0x59bde8
test al, 1
jne 0x4cc301
or eax, 1
mov dword [0x59be50], eax
lea eax, [ebp - 0x230]
mov byte [ebp - 4], 1
push eax
lea eax, [ebp - 0x248]
push eax
call fcn.004cc5db
pop ecx
pop ecx
push ebx
push eax
mov ecx, esi
mov byte [ebp - 4], 2
call fcn.004cbda0
push ebx
push 1
lea ecx, [ebp - 0x248]
call fcn.0044ea87
push 0x53f320
call fcn.00509169
pop ecx
mov byte [ebp - 4], bl
mov ecx, esi
mov dword [0x59bdc4], esi
call fcn.004cc546
push ebx
push 1
lea ecx, [ebp - 0x230]
call fcn.00451108
xor eax, eax
call fcn.0050d2f8
ret
Function at 0x4cee20
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov eax, dword [0x596700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4cee54
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4cee54
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x4cef06
push esi
mov esi, ebx
mov ecx, ebx
cmp ax, 0x2f
je 0x4cee71
cmp ax, 0x5c
jne 0x4cee73
mov esi, ecx
add ecx, 2
movzx eax, word [ecx]
test ax, ax
jne 0x4cee65
cmp esi, ebx
je 0x4ceeb9
sub esi, ebx
lea eax, [ebp - 0x414]
and esi, 0xfffffffe
push esi
push ebx
push eax
call fcn.0050c730
add esp, 0xc
cmp esi, 0x208
jae 0x4cef16
xor eax, eax
mov word [ebp + esi - 0x414], ax
lea eax, [ebp - 0x414]
push eax
push edi
call fcn.004cee20
pop ecx
pop ecx
xor eax, eax
mov word [ebp - 0x20c], ax
pop esi
test edi, edi
je 0x4ceed6
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.0050ceca
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.0050ce9b
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4cef06
push 0
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.00508163
mov esp, ebp
pop ebp
ret
call fcn.0050a423
int3

Function at 0x4cf53c
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4cf5e8
cmp dword [esi + 4], 0xffffffff
jne 0x4cf5e8
push edi
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push edi
call fcn.0050cfd6
pop ecx
movzx eax, word [esi + eax*2 + 0x242]
cmp eax, 0x5c
je 0x4cf58f
cmp eax, 0x2f
je 0x4cf58f
push 0x540de8
push edi
call fcn.0050ce9b
pop ecx
pop ecx
cmp dword [ebp + 0x10], 1
pop edi
jne 0x4cf5b1
push 1
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4cf5b1
mov eax, 0x2000000
jmp 0x4cf5ed
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004d1c60
add esp, 0x10
test eax, eax
jne 0x4cf5cf
mov eax, dword [ebp - 4]
jmp 0x4cf5ed
push eax
call fcn.004d2332
pop ecx
xor ecx, ecx
mov dword [esi], eax
test eax, eax
mov edx, 0x200
cmove ecx, edx
mov eax, ecx
jmp 0x4cf5ed
mov eax, 0x1000000
pop esi
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4cfa96
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
movsx eax, al
push esi
mov ecx, dword [edx]
mov esi, 0xff
xor eax, ecx
shr ecx, 8
and eax, esi
mov eax, dword [eax*4 + 0x546198]
xor eax, ecx
mov dword [edx], eax
movzx eax, al
add eax, dword [edx + 4]
imul ecx, eax, 0x8088405
mov eax, dword [edx + 8]
inc ecx
mov dword [edx + 4], ecx
shr ecx, 0x18
xor ecx, eax
shr eax, 8
and ecx, esi
pop esi
xor eax, dword [ecx*4 + 0x546198]
mov dword [edx + 8], eax
pop ebp
ret

Function at 0x4d1d5f
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
imul esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
cmp byte [edi], 0
je 0x4d1d93
push 0
lea eax, [ebp + 0x10]
push eax
push esi
push dword [ebp + 8]
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4d1d8e
mov byte [edi + 8], 1
mov eax, dword [ebp + 0x10]
jmp 0x4d1dba
mov edx, dword [edi + 0x1c]
lea eax, [edx + esi]
cmp eax, dword [edi + 0x18]
jbe 0x4d1da3
mov esi, dword [edi + 0x18]
sub esi, edx
mov ecx, dword [edi + 0x14]
push esi
add ecx, edx
push ecx
push dword [ebp + 8]
call fcn.0050c730
add esp, 0xc
mov eax, esi
add dword [edi + 0x1c], esi
xor edx, edx
div dword [ebp + 0xc]
pop edi
pop esi
pop ebp
ret

Function at 0x4d1ed7
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x4d1ee5
xor eax, eax
pop ebp
ret
mov ecx, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0x10]
not ecx
mov ebx, 0xff
cmp esi, 8
jb 0x4d1fa0
push edi
mov edi, esi
shr edi, 3
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
dec edi
jne 0x4d1f03
pop edi
test esi, esi
je 0x4d1fb9
movzx eax, byte [edx]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x546198]
inc edx
dec esi
jne 0x4d1fa4
not ecx
pop esi
mov eax, ecx
pop ebx
pop ebp
ret
Function at 0x4e245a
Capabilities:
Hide graphical window

Disassembly:
push 0x9c
mov eax, 0x53d72c
call fcn.0050d349
mov edi, ecx
mov dword [ebp - 0x98], edi
mov eax, dword [ebp + 8]
xor ebx, ebx
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
mov dword [edi + 0x10], eax
mov dword [eax + 0x598], ebx
cmp dword [edi + 4], ebx
jne 0x4e24f4
lea eax, [ebp - 0xa8]
push eax
call fcn.004e206f
mov ecx, dword [edi + 0x10]
lea esi, [ebp - 0xa8]
push ebx
sub esp, 0x10
mov edi, esp
mov eax, dword [ecx]
push ebx
movsd dword es:[edi], dword [esi]
push 0x40000000
push ebx
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049ff39
mov edi, dword [ebp - 0x98]
mov ecx, edi
push eax
call fcn.004a535d
mov esi, dword [edi + 0x10]
mov ecx, esi
call fcn.0049f853
push eax
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049faf1
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
push 1
push dword [eax]
push 0x30
push dword [edi + 4]
call esi
mov ecx, dword [edi + 0x10]
lea edx, [ebp - 0x94]
push edx
mov eax, dword [ecx]
call dword [eax + 0x28]
mov ecx, eax
mov dword [ebp - 4], ebx
call fcn.0049cb87
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x94]
mov bl, al
call fcn.0049c3db
test bl, bl
je 0x4e2531
mov eax, dword [edi + 0x10]
add eax, 0x588
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov ecx, dword [edi + 0x10]
call fcn.004e25a0
test al, al
je 0x4e2544
push 0x54ae4c
jmp 0x4e2549
push str.yyyy_MM_dd
push 0
push 0x1032
push dword [edi + 4]
call esi
mov eax, dword [edi + 0x10]
mov ebx, 0x588
add eax, ebx
push 0x10
push eax
lea eax, [edi + 0x1a]
push eax
call fcn.0050c730
mov eax, dword [edi + 0x10]
add esp, 0xc
add eax, ebx
push eax
push 0
push 0x1002
push dword [edi + 4]
call esi
push 4
push dword [edi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetFocus]
mov byte [edi + 0x18], 1
call fcn.0050d2f8
ret 4

Function at 0x4e2ab2
Capabilities:
Get hostname
Initialize winsock library
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x298
mov eax, dword [0x596700]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x294]
push eax
push 0x202
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x4e2ade
xor eax, eax
jmp 0x4e2b5b
push 0xfe
lea eax, [ebp - 0x103]
mov byte [ebp - 0x104], 0
push 0
push eax
call fcn.0050cd80
add esp, 0xc
lea eax, [ebp - 0x104]
push 0xff
push eax
call sub.WS2_32.dll_gethostname
lea eax, [ebp - 0x104]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x4e2ada
mov eax, dword [eax + 0xc]
push 4
push dword [eax]
lea eax, [ebp - 0x298]
push eax
call fcn.0050c730
mov ecx, dword [ebp - 0x298]
add esp, 0xc
movzx eax, cl
shl eax, 8
movzx ecx, ch
add eax, ecx
movzx ecx, byte [ebp - 0x296]
shl eax, 8
add eax, ecx
movzx ecx, byte [ebp - 0x295]
shl eax, 8
add eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00508163
mov esp, ebp
pop ebp
ret