joyce8/EMBER2024-capa huggingface dataset:
Function at 0x495e73
Capabilities:
Terminate process

Disassembly:
push 0x364
mov eax, 0x533331
call fcn.00505ab4
mov edi, ecx
call fcn.004b1df9
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
call esi
push eax
push str._INFO___d___OnCreate_1
push 3
push dword [0x590b3c]
call fcn.004b20b3
add esp, 0x10
mov ecx, edi
push 0xfffffffffffffff0
call fcn.00494fae
push eax
call dword [sym.imp.USER32.dll_GetWindowLongW]
and eax, 0xff3fffff
mov ecx, edi
or eax, 0x6000000
push eax
push 0xfffffffffffffff0
call fcn.00494fae
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.004984fa
lea eax, [edi + 0x24]
mov ecx, ebx
push eax
call fcn.004979e6
lea ecx, [ebp - 0x36c]
call fcn.004b3148
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.00495150
test al, al
jne 0x495f8f
call esi
push eax
push str._INFO___d___OnCreate_2
push 3
push dword [0x590b3c]
call fcn.004b20b3
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.00494f9b
push eax
call fcn.005042ff
pop ecx
lea ecx, [ebp - 0x94]
movzx esi, ax
mov byte [ebp - 4], 1
call fcn.004949a4
push 0
lea eax, [edi + 0x28]
push ebx
push eax
lea ecx, [ebp - 0x118]
call fcn.00494f9b
push eax
push esi
lea ecx, [ebp - 0x36c]
call fcn.004b416e
mov esi, eax
jmp 0x495fea
call esi
push eax
push str._INFO___d___OnCreate_3
push 3
push dword [0x590b3c]
call fcn.004b20b3
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.00494f9b
push ecx
mov ecx, esp
mov dword [ecx], eax
lea ecx, [ebp - 0x36c]
call fcn.004b416e
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 1
mov esi, eax
call fcn.004949a4
test esi, esi
jne 0x496053
push 0xffffffffffffffff
push 0x538b78
lea ecx, [ebp - 0x94]
call fcn.004948a1
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.00494ad9
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 4
call fcn.004949a4
push 0x10
push str.Duilib
lea ecx, [ebp - 0x94]
call fcn.00494f9b
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.00497a8d
lea eax, [edi + 0x20]
mov ecx, ebx
push eax
call fcn.0049792c
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x1c]
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 0
call fcn.004949a4
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x36c]
call fcn.004b22d9
xor eax, eax
call fcn.00505a63
ret 0x10
Function at 0x498819
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 0x49883c
or esi, 1
push 2
call edi
test ax, ax
jns 0x498848
or esi, 2
push 0x10
call edi
test ax, ax
jns 0x498854
or esi, 4
push 0x12
call edi
test ax, ax
jns 0x498860
or esi, 0x20
pop edi
mov eax, esi
pop esi
ret
Function at 0x49bc04
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.00494fae
mov edi, dword [ebp + 8]
test eax, eax
jle 0x49bc5a
push ebx
lea ecx, [esi + 0x4a8]
mov byte [ebp + 0xb], 0
call fcn.00494a89
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 0x49bcb8
lea ecx, [esi + 0x4a8]
inc ebx
call fcn.00494fae
cmp ebx, eax
jl 0x49bc23
sub edi, 0x100
je 0x49bd1e
sub edi, 4
je 0x49bcbc
dec edi
dec edi
jne 0x49bd13
push dword [ebp + 0xc]
xor eax, eax
mov dword [ebp + 8], eax
call fcn.00506123
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 0x49d527
call dword [eax + 0x134]
mov esi, eax
test esi, esi
je 0x49bd13
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 0x49bd15
cmp dword [esi + 0x108], 0
je 0x49bd13
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.00498819
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 0x49bd13
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49bd77
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49bd77
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49bd77
mov ecx, dword [esi + 0x108]
push str.RichEditUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.005018de
pop ecx
pop ecx
test eax, eax
je 0x49bd77
mov ecx, dword [esi + 0x108]
call fcn.004adc18
test al, al
jne 0x49bd13
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x49bdbf
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x49bdbf
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x49bdbf
mov ecx, dword [esi + 0x108]
push str.WkeWebkitUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.005018de
pop ecx
pop ecx
test eax, eax
jne 0x49bd13
push 0x10
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
mov ecx, esi
setns al
movzx eax, al
push eax
call fcn.0049cdc4
jmp 0x49bcb8
Function at 0x49ca4f
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 0x49ca7b
cmp esi, dword [ebx + 0x108]
je 0x49ca7b
push ecx
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [ebx + 0x108]
cmp esi, eax
je 0x49cb52
push edi
test eax, eax
je 0x49cada
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.0049c69c
mov dword [ebx + 0x108], edi
test esi, esi
je 0x49cb51
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
cmp eax, ebx
jne 0x49cb51
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x100]
test al, al
je 0x49cb51
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x10c]
test al, al
je 0x49cb51
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.0049c69c
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x49df00
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 0x49df32
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 0x4a1010
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x58b700]
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 0x4a1064
add esi, 0x28
cmp word [eax], 0x3c
mov ecx, esi
jne 0x4a105a
push eax
call fcn.004b24fb
test al, al
jne 0x4a10c1
xor eax, eax
jmp 0x4a10eb
push 0
push eax
call fcn.004b2546
jmp 0x4a104f
push edx
push eax
call fcn.00498468
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
je 0x4a1053
push edi
call fcn.00498468
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
jne 0x4a1094
push edi
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x4a1053
push 0
push edi
add esi, 0x28
call fcn.00498468
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.004b2841
test al, al
je 0x4a1053
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
lea eax, [ebp - 0x210]
mov ecx, esi
push eax
call fcn.004b2452
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.004a0d24
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.005008c3
mov esp, ebp
pop ebp
ret 8
Function at 0x4a4d28
Capabilities:
Log keystrokes via polling

Disassembly:
sub ecx, 0x6c0
jmp fcn.004a4a61
Function at 0x4abfdc
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x58b700]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, ecx
push edi
cmp byte [esi + 0x18], 0
je 0x4ac064
cmp dword [esi + 0x10], 0
je 0x4ac064
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
lea edi, [eax + 1]
lea eax, [edi + edi]
call fcn.00505f50
mov ebx, esp
test ebx, ebx
je 0x4ac064
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.00494a3c
mov ecx, dword [esi + 0x10]
xor eax, eax
push eax
push eax
push eax
mov eax, dword [ecx]
push 0x53bf18
push ecx
call dword [eax + 0x1c]
mov ecx, eax
call fcn.0049c69c
mov ecx, dword [esi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x1c]
mov ecx, eax
call fcn.004986f8
test al, al
je 0x4ac064
mov ecx, dword [esi + 0x10]
call fcn.0049eeaa
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005008c3
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4af8c2
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 0x4af92c
cmp dword [ebp + 8], 0x100
jne 0x4af91b
cmp word [ebp + 0xc], 0xd
jne 0x4af91b
cmp byte [esi + 0x6a2], 0
je 0x4af902
push 0x11
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
jns 0x4af91b
cmp byte [esi + 0x6a3], 0
jne 0x4af91b
mov ecx, dword [esi + 0x44]
test ecx, ecx
je 0x4af917
push edi
push edi
push edi
push str.return
push esi
call fcn.0049c69c
xor eax, eax
jmp 0x4af92f
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 0x4b1929
Capabilities:
Create thread

Disassembly:
push 8
mov eax, 0x53481e
call fcn.00505a81
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.0047e7e1
push ebx
push ebx
push dword [ebp + 0xc]
mov dword [ebp - 4], ebx
push dword [ebp + 8]
push ebx
push ebx
call fcn.005035c6
add esp, 0x18
mov dword [ebp + 0xc], eax
test eax, eax
je 0x4b1973
lea eax, [ebp + 0xc]
mov ecx, esi
push eax
call fcn.0047e87a
mov bl, 1
cmp byte [ebp - 0x10], 0
je 0x4b1984
mov ecx, dword [ebp - 0x14]
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov al, bl
call fcn.00505a4f
ret 8
Function at 0x4b1df9
Capabilities:
Get common file path

Disassembly:
push 0x23c
mov eax, 0x534976
call fcn.00505ab4
lea eax, [ebp - 0x218]
push eax
push 0x103
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
cmp word [ebp + eax*2 - 0x21a], 0x5c
je 0x4b1e37
push 0x538e0c
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 0x4b1e68
lea eax, [ebp - 0x218]
push eax
call fcn.00505696
pop ecx
push eax
lea eax, [ebp - 0x218]
push eax
lea ecx, [ebp - 0x230]
call fcn.00450b91
mov esi, 0x53cb48
mov dword [ebp - 4], ebx
push esi
call fcn.00505696
pop ecx
push eax
push esi
lea ecx, [ebp - 0x230]
call fcn.00452ae5
mov eax, dword [0x590bc8]
mov esi, 0x590b60
test al, 1
jne 0x4b1eef
or eax, 1
mov dword [0x590bc8], eax
lea eax, [ebp - 0x230]
mov byte [ebp - 4], 1
push eax
lea eax, [ebp - 0x248]
push eax
call fcn.004b21f5
pop ecx
pop ecx
push ebx
push eax
mov ecx, esi
mov byte [ebp - 4], 2
call fcn.004b198e
push ebx
push 1
lea ecx, [ebp - 0x248]
call fcn.0044e987
push 0x5370e3
call fcn.005018c9
pop ecx
mov byte [ebp - 4], bl
mov ecx, esi
mov dword [0x590b3c], esi
call fcn.004b2160
push ebx
push 1
lea ecx, [ebp - 0x230]
call fcn.00450f58
xor eax, eax
call fcn.00505a63
ret
Function at 0x4b49d5
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov eax, dword [0x58b700]
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 0x4b4a09
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4b4a09
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x4b4abb
push esi
mov esi, ebx
mov ecx, ebx
cmp ax, 0x2f
je 0x4b4a26
cmp ax, 0x5c
jne 0x4b4a28
mov esi, ecx
add ecx, 2
movzx eax, word [ecx]
test ax, ax
jne 0x4b4a1a
cmp esi, ebx
je 0x4b4a6e
sub esi, ebx
lea eax, [ebp - 0x414]
and esi, 0xfffffffe
push esi
push ebx
push eax
call fcn.00504df0
add esp, 0xc
cmp esi, 0x208
jae 0x4b4acb
xor eax, eax
mov word [ebp + esi - 0x414], ax
lea eax, [ebp - 0x414]
push eax
push edi
call fcn.004b49d5
pop ecx
pop ecx
xor eax, eax
mov word [ebp - 0x20c], ax
pop esi
test edi, edi
je 0x4b4a8b
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.0050558a
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.0050555b
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4b4abb
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.005008c3
mov esp, ebp
pop ebp
ret
call fcn.00502b83
int3

Function at 0x4b50f1
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4b519d
cmp dword [esi + 4], 0xffffffff
jne 0x4b519d
push edi
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push edi
call fcn.00505696
pop ecx
movzx eax, word [esi + eax*2 + 0x242]
cmp eax, 0x5c
je 0x4b5144
cmp eax, 0x2f
je 0x4b5144
push 0x538e0c
push edi
call fcn.0050555b
pop ecx
pop ecx
cmp dword [ebp + 0x10], 1
pop edi
jne 0x4b5166
push 1
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4b5166
mov eax, 0x2000000
jmp 0x4b51a2
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004b7815
add esp, 0x10
test eax, eax
jne 0x4b5184
mov eax, dword [ebp - 4]
jmp 0x4b51a2
push eax
call fcn.004b7ee7
pop ecx
xor ecx, ecx
mov dword [esi], eax
test eax, eax
mov edx, 0x200
cmove ecx, edx
mov eax, ecx
jmp 0x4b51a2
mov eax, 0x1000000
pop esi
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4b564b
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 + 0x53d3d8]
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 + 0x53d3d8]
mov dword [edx + 8], eax
pop ebp
ret

Function at 0x4b7914
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 0x4b7948
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 0x4b7943
mov byte [edi + 8], 1
mov eax, dword [ebp + 0x10]
jmp 0x4b796f
mov edx, dword [edi + 0x1c]
lea eax, [edx + esi]
cmp eax, dword [edi + 0x18]
jbe 0x4b7958
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.00504df0
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 0x4b7a8c
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x4b7a9a
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 0x4b7b55
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 + 0x53d3d8]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
dec edi
jne 0x4b7ab8
pop edi
test esi, esi
je 0x4b7b6e
movzx eax, byte [edx]
xor eax, ecx
shr ecx, 8
and eax, ebx
xor ecx, dword [eax*4 + 0x53d3d8]
inc edx
dec esi
jne 0x4b7b59
not ecx
pop esi
mov eax, ecx
pop ebx
pop ebp
ret
Function at 0x4ca9b5
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 0x4ca9d9
cmp dword [esi + 8], edi
jge 0x4ca9d1
push esi
call fcn.004c5f0a
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 0x4ca9ff
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 0x4ca9e5
mov dword [esi + 8], edx
jmp 0x4caa14
mov eax, dword [esi]
cmp eax, dword [esi + 4]
jb 0x4caa0a
xor dl, dl
jmp 0x4caa0f
mov dl, byte [eax]
inc eax
mov dword [esi], eax
mov byte [ebp + ecx + 8], dl
inc ecx
cmp ecx, 4
jl 0x4ca9ff
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 0x4caa4c
push str.zlib_corrupt
call fcn.004c5e2d
pop ecx
jmp 0x4caa8c
mov eax, dword [esi]
add eax, edi
cmp eax, dword [esi + 4]
jbe 0x4caa5c
push str.read_past_buffer
jmp 0x4caa44
mov ecx, dword [esi + 0x10]
lea eax, [ecx + edi]
cmp eax, dword [esi + 0x18]
jbe 0x4caa76
push edi
push ecx
push esi
call fcn.004cdd08
add esp, 0xc
test eax, eax
je 0x4caa8c
push edi
push dword [esi]
push dword [esi + 0x10]
call fcn.00504df0
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 0x4da936
Capabilities:
Hide graphical window

Disassembly:
push 0x9c
mov eax, 0x535452
call fcn.00505ab4
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 0x4da9d0
lea eax, [ebp - 0xa8]
push eax
call fcn.004da545
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.0049845b
mov edi, dword [ebp - 0x98]
mov ecx, edi
push eax
call fcn.0049d8e4
mov esi, dword [edi + 0x10]
mov ecx, esi
call fcn.00497d75
push eax
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
mov ecx, eax
call fcn.00498013
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.00495150
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x94]
mov bl, al
call fcn.004949a4
test bl, bl
je 0x4daa0d
mov eax, dword [edi + 0x10]
add eax, 0x588
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov ecx, dword [edi + 0x10]
call fcn.004daa7c
test al, al
je 0x4daa20
push 0x542e7c
jmp 0x4daa25
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.00504df0
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.00505a63
ret 4

Function at 0x4dafa7
Capabilities:
Get hostname
Initialize winsock library
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x298
mov eax, dword [0x58b700]
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 0x4dafd3
xor eax, eax
jmp 0x4db050
push 0xfe
lea eax, [ebp - 0x103]
mov byte [ebp - 0x104], 0
push 0
push eax
call fcn.00505440
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 0x4dafcf
mov eax, dword [eax + 0xc]
push 4
push dword [eax]
lea eax, [ebp - 0x298]
push eax
call fcn.00504df0
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.005008c3
mov esp, ebp
pop ebp
ret