joyce8/EMBER2024-capa huggingface dataset:
Function at 0x480c90
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x5413c8]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000040
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x480d22
lea eax, [ebp - 0xc]
mov dword [ebp - 0x18], 0x208
push eax
xorps xmm0, xmm0
mov dword [ebp - 0x14], 0x6601
push edi
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x10], 8
call fcn.00480d80
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.00482f80
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x480d34
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004d4113
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 8]
push dword [ebp - 0x20]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.004d4113
mov esp, ebp
pop ebp
ret

Function at 0x482280
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4822a5
mov eax, 0x1b
pop esi
pop ebp
ret
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x4822d5
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
mov eax, 2
pop esi
pop ebp
ret
xor eax, eax
pop esi
pop ebp
ret

Function at 0x482470
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x4824a3
push 0x2e
push edi
call fcn.004d7250
add esp, 8
test eax, eax
je 0x4824a1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret
Function at 0x482cc0
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
jne 0x482ce5
mov eax, 0x1b
pop esi
pop ebp
ret
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x800c
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x482d15
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
mov eax, 2
pop esi
pop ebp
ret
xor eax, eax
pop esi
pop ebp
ret

Function at 0x482e20
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 [section..data]
mov edi, eax
add esp, 4
test edi, edi
jne 0x482e4d
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 0x482e97
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 0x482e9d
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 0x482efb
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 0x482ec0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x482f27
mov eax, dword [esi + 4]
push 1
push 0x513850
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x513851
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x482f00
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x482f80
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 0x482fd0
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 0x482f92
pop ebx
pop edi
pop esi
pop ebp
ret

Function at 0x483030
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 0x483082
push edi
push 0
push 0
push 0x8002
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x483088
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
pop edi
xor eax, eax
pop esi
pop ebp
ret
pop edi
mov eax, 1
pop esi
pop ebp
ret
Function at 0x4859b8
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 0x4859db
or esi, 1
push 2
call edi
test ax, ax
jns 0x4859e7
or esi, 2
push 0x10
call edi
test ax, ax
jns 0x4859f3
or esi, 4
push 0x12
call edi
test ax, ax
jns 0x4859ff
or esi, 0x20
pop edi
mov eax, esi
pop esi
ret
Function at 0x488b16
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
and dword [ebp - 4], 0
push ebx
push esi
mov esi, ecx
push edi
lea ecx, [esi + 0x4a8]
call fcn.0048e966
mov ebx, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
test eax, eax
jle 0x488b77
mov ecx, dword [ebp - 4]
push ecx
lea ecx, [esi + 0x4a8]
mov byte [ebp + 0xf], 0
call fcn.0048e51b
lea ecx, [ebp + 0xf]
push ecx
push dword [ebp + 0x10]
mov edx, dword [eax]
mov ecx, eax
push ebx
push edi
call dword [edx]
cmp byte [ebp + 0xf], 0
jne 0x488bd3
inc dword [ebp - 4]
lea ecx, [esi + 0x4a8]
call fcn.0048e966
mov ecx, dword [ebp - 4]
cmp ecx, eax
jl 0x488b3d
sub edi, 0x100
je 0x488c36
sub edi, 4
je 0x488bd7
dec edi
sub edi, 1
jne 0x488c2d
and dword [ebp + 0xc], edi
push ebx
call fcn.004eca1b
pop ecx
mov ecx, dword [esi + 0x104]
lea edx, [ebp + 0xc]
push reloc.WS2_32.dll_select
mov word [ebp + 0xc], ax
push edx
mov eax, dword [ecx]
push 0x48a6f4
call dword [eax + 0x134]
mov esi, eax
test esi, esi
je 0x488c2d
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 0x488c2f
cmp dword [esi + 0x108], 0
je 0x488c2d
mov eax, dword [esi + 0x11c]
xorps xmm0, xmm0
mov ecx, dword [esi + 0x120]
and dword [ebp - 0x20], 0
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x24], 6
mov word [ebp - 0x10], bx
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], ecx
call fcn.004859b8
mov word [ebp - 0xe], ax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [esi + 0x108]
lea edx, [ebp - 0x24]
mov dword [ebp - 0x1c], eax
push edx
mov eax, dword [ecx]
call dword [eax + 0x140]
xor al, al
pop edi
pop esi
pop ebx
leave
ret 0x10
cmp ebx, 9
jne 0x488c2d
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x488c8e
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x488c8e
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x488c8e
mov ecx, dword [esi + 0x108]
push str.RichEditUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.004d6f27
pop ecx
pop ecx
test eax, eax
je 0x488c8e
mov ecx, dword [esi + 0x108]
call fcn.004ac550
test al, al
jne 0x488c2d
mov ecx, dword [esi + 0x108]
test ecx, ecx
je 0x488cd6
mov eax, dword [ecx]
call dword [eax + 0x100]
test al, al
je 0x488cd6
mov ecx, dword [esi + 0x108]
mov eax, dword [ecx]
call dword [eax + 0x10c]
test al, al
je 0x488cd6
mov ecx, dword [esi + 0x108]
push str.WkeWebkitUI
mov eax, dword [ecx]
call dword [eax + 0xc]
push eax
call fcn.004d6f27
pop ecx
pop ecx
test eax, eax
jne 0x488c2d
push 0x10
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
mov ecx, esi
setns al
movzx eax, al
push eax
call fcn.0048a02a
jmp 0x488bd3
Function at 0x489ca1
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push esi
push edi
mov edi, ecx
call dword [sym.imp.USER32.dll_GetFocus]
mov ecx, dword [edi + 0xa8]
mov esi, dword [ebp + 8]
cmp eax, ecx
je 0x489ccd
cmp esi, dword [edi + 0x108]
je 0x489ccd
push ecx
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [edi + 0x108]
cmp esi, eax
je 0x489db1
test eax, eax
je 0x489d33
and dword [ebp - 4], 0
xorps xmm0, xmm0
movlpd qword [ebp - 0x14], xmm0
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x20], 0x17
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [edi + 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, edi
push eax
push eax
push eax
push str.killfocus
push dword [edi + 0x108]
call fcn.004897e2
and dword [edi + 0x108], 0
test esi, esi
je 0x489db1
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x1c]
cmp eax, edi
jne 0x489db1
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x100]
test al, al
je 0x489db1
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x10c]
test al, al
je 0x489db1
and dword [ebp - 4], 0
xorps xmm0, xmm0
mov dword [edi + 0x108], esi
movlpd qword [ebp - 0x14], xmm0
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x20], 0x18
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [edi + 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, edi
push eax
push eax
push eax
push str.setfocus
push dword [edi + 0x108]
call fcn.004897e2
pop edi
pop esi
leave
ret 4
Function at 0x490186
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
and dword [ebp - 4], 0
push ebx
push esi
push edi
mov ebx, ecx
push 4
push dword [ebx + 4]
call dword [sym.imp.USER32.dll_GetWindow]
push 1
push dword [ebx + 4]
mov esi, eax
call dword [sym.imp.USER32.dll_ShowWindow]
push 0
push esi
call dword [sym.imp.USER32.dll_EnableWindow]
push 7
pop ecx
push dword [ebx + 4]
xor eax, eax
lea edi, [ebp - 0x20]
rep stosd dword es:[edi], eax
call dword [sym.imp.USER32.dll_IsWindow]
mov edi, dword [sym.imp.USER32.dll_SetFocus]
jmp 0x490235
xor eax, eax
push eax
push eax
push eax
lea eax, [ebp - 0x20]
push eax
call dword [sym.imp.USER32.dll_GetMessageW]
test eax, eax
je 0x490239
cmp dword [ebp - 0x1c], 0x10
jne 0x490204
mov eax, dword [ebp - 0x20]
cmp eax, dword [ebx + 4]
jne 0x490204
mov eax, dword [ebp - 0x18]
push 1
push esi
mov dword [ebp - 4], eax
call dword [sym.imp.USER32.dll_EnableWindow]
push esi
call edi
lea eax, [ebp - 0x20]
push eax
call fcn.0048a4c6
pop ecx
test al, al
jne 0x490226
lea eax, [ebp - 0x20]
push eax
call dword [sym.imp.USER32.dll_TranslateMessage]
lea eax, [ebp - 0x20]
push eax
call dword [sym.imp.USER32.dll_DispatchMessageW]
cmp dword [ebp - 0x1c], 0x12
je 0x490239
push dword [ebx + 4]
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
jne 0x4901d1
push 1
push esi
call dword [sym.imp.USER32.dll_EnableWindow]
push esi
call edi
cmp dword [ebp - 0x1c], 0x12
pop edi
pop esi
pop ebx
jne 0x490257
push dword [ebp - 0x18]
call dword [sym.imp.USER32.dll_PostQuitMessage]
mov eax, dword [ebp - 4]
leave
ret

Function at 0x49025c
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 0x49028e
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 0x4919be
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x5413c8]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
push esi
push edi
mov edi, ecx
mov ecx, eax
shr ecx, 0x10
mov dword [ebp - 0x214], edi
test cx, cx
je 0x491a1e
add edi, 0x28
cmp word [eax], 0x3c
mov ecx, edi
jne 0x4919ff
push eax
call fcn.004b0944
jmp 0x491a07
push 0
push eax
call fcn.004b0992
test al, al
jne 0x491a7b
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004d4113
leave
ret 8
push edx
push eax
call fcn.00485609
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov esi, eax
test esi, esi
je 0x491a0b
push esi
call fcn.00485609
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
jne 0x491a4e
push esi
call dword [sym.imp.KERNEL32.dll_FreeResource]
jmp 0x491a0b
push 0
push esi
add edi, 0x28
call fcn.00485609
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LockResource]
push eax
mov ecx, edi
call fcn.004b0c78
test al, al
je 0x491a0b
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
lea eax, [ebp - 0x210]
mov ecx, edi
push eax
call fcn.004b089e
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.004916d2
jmp 0x491a0d

Function at 0x491bb4
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov eax, dword [0x5413c8]
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 0x491be8
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x491be8
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x491c9e
push esi
mov esi, ebx
mov ecx, ebx
mov edx, eax
cmp dx, 0x2f
je 0x491c07
cmp dx, 0x5c
jne 0x491c09
mov esi, ecx
add ecx, 2
movzx eax, word [ecx]
mov edx, eax
test ax, ax
jne 0x491bfb
cmp esi, ebx
je 0x491c51
sub esi, ebx
lea eax, [ebp - 0x414]
and esi, 0xfffffffe
push esi
push ebx
push eax
call fcn.004d7750
add esp, 0xc
cmp esi, 0x208
jae 0x491cac
xor eax, eax
mov word [ebp + esi - 0x414], ax
lea eax, [ebp - 0x414]
push eax
push edi
call fcn.00491bb4
pop ecx
pop ecx
xor eax, eax
mov word [ebp - 0x20c], ax
pop esi
test edi, edi
je 0x491c6e
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.004ece63
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.004ece32
pop ecx
pop ecx
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x491c9e
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.004d4113
leave
ret
call fcn.004d4573
int3
Function at 0x4922d5
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x492381
cmp dword [esi + 4], 0xffffffff
jne 0x492381
push edi
lea edi, [esi + 0x244]
push edi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push edi
call fcn.004db873
pop ecx
movzx eax, word [esi + eax*2 + 0x242]
cmp eax, 0x5c
je 0x492328
cmp eax, 0x2f
je 0x492328
push 0x513c88
push edi
call fcn.004ece32
pop ecx
pop ecx
cmp dword [ebp + 0x10], 1
pop edi
jne 0x49234a
push 1
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x49234a
mov eax, 0x2000000
jmp 0x492386
lea eax, [ebp - 4]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00494a67
add esp, 0x10
test eax, eax
jne 0x492368
mov eax, dword [ebp - 4]
jmp 0x492386
push eax
call fcn.00495141
pop ecx
xor ecx, ecx
mov dword [esi], eax
test eax, eax
mov edx, 0x200
cmove ecx, edx
mov eax, ecx
jmp 0x492386
mov eax, 0x1000000
pop esi
leave
ret 0xc
Function at 0x492848
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
movsx eax, byte [ebp + 0xc]
mov ecx, dword [edx]
xor eax, ecx
movzx eax, al
shr ecx, 8
xor ecx, dword [eax*4 + 0x516108]
movzx eax, cl
add eax, dword [edx + 4]
imul eax, eax, 0x8088405
mov dword [edx], ecx
mov ecx, dword [edx + 8]
inc eax
mov dword [edx + 4], eax
shr eax, 0x18
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
mov dword [edx + 8], ecx
pop ebp
ret

Function at 0x494b64
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
imul ecx, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
cmp byte [edi], 0
je 0x494b97
push 0
lea eax, [ebp + 0x10]
push eax
push ecx
push dword [ebp + 8]
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x494b92
mov byte [edi + 8], 1
mov eax, dword [ebp + 0x10]
jmp 0x494bc1
mov edx, dword [edi + 0x1c]
push esi
mov esi, dword [edi + 0x18]
sub esi, edx
lea eax, [edx + ecx]
cmp eax, dword [edi + 0x18]
cmovbe esi, ecx
mov ecx, dword [edi + 0x14]
push esi
add ecx, edx
push ecx
push dword [ebp + 8]
call fcn.004d7750
add esp, 0xc
mov eax, esi
add dword [edi + 0x1c], esi
pop esi
xor edx, edx
div dword [ebp + 0xc]
pop edi
pop ebp
ret

Function at 0x494cf1
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
test edx, edx
jne 0x494cff
xor eax, eax
pop ebp
ret
mov ecx, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0x10]
not ecx
cmp esi, 8
jb 0x494dbe
push edi
mov edi, esi
shr edi, 3
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
sub edi, 1
jne 0x494d17
pop edi
test esi, esi
je 0x494dda
movzx eax, byte [edx]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x516108]
inc edx
sub esi, 1
jne 0x494dc2
not ecx
mov eax, ecx
pop esi
pop ebp
ret
Function at 0x4a7ba2
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov eax, dword [esi + 8]
mov edi, eax
and edi, 7
je 0x4a7bcf
cmp eax, edi
jge 0x4a7bbf
push esi
call fcn.004a31e6
pop ecx
mov eax, dword [esi + 0xc]
mov ecx, edi
shr eax, cl
sub dword [esi + 8], edi
mov dword [esi + 0xc], eax
mov eax, dword [esi + 8]
xor ecx, ecx
mov edx, eax
test eax, eax
jle 0x4a7bf4
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 0x4a7bda
mov dword [esi + 8], edx
jmp 0x4a7c09
mov eax, dword [esi]
cmp eax, dword [esi + 4]
jb 0x4a7bff
xor dl, dl
jmp 0x4a7c04
mov dl, byte [eax]
inc eax
mov dword [esi], eax
mov byte [ebp + ecx + 8], dl
inc ecx
cmp ecx, 4
jl 0x4a7bf4
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 0x4a7c41
push str.zlib_corrupt
call fcn.004a3106
pop ecx
jmp 0x4a7c81
mov eax, dword [esi]
add eax, edi
cmp eax, dword [esi + 4]
jbe 0x4a7c51
push str.read_past_buffer
jmp 0x4a7c39
mov ecx, dword [esi + 0x10]
lea eax, [ecx + edi]
cmp eax, dword [esi + 0x18]
jbe 0x4a7c6b
push edi
push ecx
push esi
call fcn.004aaf2f
add esp, 0xc
test eax, eax
je 0x4a7c81
push edi
push dword [esi]
push dword [esi + 0x10]
call fcn.004d7750
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 0x4ae248
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 0x4ae2b2
cmp dword [ebp + 8], 0x100
jne 0x4ae2a1
cmp word [ebp + 0xc], 0xd
jne 0x4ae2a1
cmp byte [esi + 0x6a2], 0
je 0x4ae288
push 0x11
call dword [sym.imp.USER32.dll_GetKeyState]
test ax, ax
jns 0x4ae2a1
cmp byte [esi + 0x6a3], 0
jne 0x4ae2a1
mov ecx, dword [esi + 0x44]
test ecx, ecx
je 0x4ae29d
push edi
push edi
push edi
push str.return
push esi
call fcn.004897e2
xor eax, eax
jmp 0x4ae2b5
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