joyce8/EMBER2024-capa huggingface dataset:
Function at 0x41d590
Capabilities:
Check os version
Extract resource via kernel32 functions

Disassembly:
sub esp, 0x140
mov eax, dword [0x4a8068]
xor eax, esp
mov dword [esp + 0x13c], eax
push esi
mov esi, dword [esp + 0x148]
push 0x118
push 0
lea eax, [esi + 4]
push eax
call fcn.00457760
add esp, 0xc
mov dword [esi], 0x11c
push esi
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x41d6d7
cmp dword [esi + 4], 6
push edi
ja 0x41d5eb
jne 0x41d673
cmp dword [esi + 8], 2
jb 0x41d673
push str.kernel32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov edi, eax
test edi, edi
je 0x41d673
push 0x10
push 1
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x41d673
push eax
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x41d673
movups xmm0, xmmword [0x498264]
push eax
movups xmmword [esp + 0x128], xmm0
movups xmm0, xmmword [0x498274]
movups xmmword [esp + 0x138], xmm0
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
test edi, edi
je 0x41d673
lea eax, [esp + 0x124]
push eax
lea ecx, [edi + 6]
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
jne 0x41d673
cmp word [edi + 2], ax
jbe 0x41d673
movzx edx, word [edi + 0x32]
movzx ecx, word [edi + 0x30]
movzx eax, word [edi + 0x36]
mov dword [esi + 4], edx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], eax
push str.ntdll.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push str.RtlGetVersion
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
test edi, edi
je 0x41d6be
push 0x118
lea eax, [esp + 0x10]
push 0
push eax
call fcn.00457760
add esp, 0xc
mov dword [esp + 8], 0x11c
lea eax, [esp + 8]
push eax
call edi
test eax, eax
jne 0x41d6be
mov eax, dword [esp + 0x14]
mov dword [esi + 0xc], eax
pop edi
mov al, 1
pop esi
mov ecx, dword [esp + 0x13c]
xor ecx, esp
call fcn.004554e8
add esp, 0x140
ret
mov ecx, dword [esp + 0x140]
xor al, al
pop esi
xor ecx, esp
call fcn.004554e8
add esp, 0x140
ret
Function at 0x422380
Capabilities:
Access peb ldr_data
Get kernel32 base address
Get process heap flags

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4800f9
mov eax, dword fs:[0]
push eax
sub esp, 8
push ebx
push esi
push edi
mov eax, dword [0x4a8068]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
push 0x84
call fcn.004554fe
mov edi, eax
mov dword [ebp - 0x10], edi
mov dword [ebp - 4], 0
push 0x84
push 0
push edi
call fcn.00457760
mov dword [edi], 0
mov dword [edi + 4], 0
mov dword [edi + 8], 0
mov byte [ebp - 4], 1
push 0x18
call fcn.004554fe
add esp, 0x14
mov dword [edi + 0x10], eax
push eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov byte [ebp - 4], 2
lea esi, [edi + 0x20]
mov ecx, esi
mov dword [ebp - 0x14], esi
call fcn.004053f0
mov byte [ebp - 4], 3
lea ecx, [esi + 0x18]
call fcn.004053f0
mov byte [ebp - 4], 4
lea ecx, [esi + 0x30]
call fcn.004053f0
mov byte [ebp - 4], 5
lea ecx, [esi + 0x48]
call fcn.004053f0
mov byte [ebp - 4], 7
push 0
call fcn.0045e5fe
push eax
call fcn.0045e8f6
mov dword [edi + 0xc], 0
add esp, 8
mov byte [edi + 0x14], 0
mov dword [edi + 0x18], 0x40
mov dword [edi + 0x80], 0
mov word [edi + 0x1c], 0x100
mov dword [ebp - 4], 0xffffffff
mov eax, ebx
mov dword [ebx], edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x427700
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ecx
push ebx
mov bh, byte [ecx + 0x100]
push ebp
mov ebp, dword [esp + 0x10]
push edi
xor edi, edi
mov dword [esp + 0xc], edx
mov dl, byte [ecx + 0x101]
test ebp, ebp
je 0x427759
push esi
nop
inc bh
movzx esi, bh
mov bl, byte [esi + ecx]
add dl, bl
mov byte [esp + 0x18], dl
movzx edx, dl
movzx eax, byte [edx + ecx]
mov byte [esi + ecx], al
mov byte [edx + ecx], bl
movzx eax, byte [esi + ecx]
mov edx, dword [esp + 0x10]
add al, bl
movzx eax, al
movzx eax, byte [eax + ecx]
xor byte [edi + edx], al
inc edi
mov dl, byte [esp + 0x18]
cmp edi, ebp
jb 0x427720
pop esi
pop edi
pop ebp
mov byte [ecx + 0x101], bh
mov byte [ecx + 0x100], bh
pop ebx
pop ecx
ret
Function at 0x42b200
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x481ab9
mov eax, dword fs:[0]
push eax
sub esp, 0x18
push ebx
push esi
push edi
mov eax, dword [0x4a8068]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov ebx, ecx
mov dword [ebp - 0x24], ebx
mov dword [ebp - 4], 0
mov dword [ebp - 0x1c], 0
call fcn.00405650
mov dword [ebp - 4], 0
xor esi, esi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x1c], 1
test eax, eax
je 0x42b3b2
nop dword [eax]
dec eax
mov dword [ebp + 8], eax
mov al, byte [edi]
inc edi
mov byte [ebp + esi - 0x14], al
inc esi
mov ch, byte [ebp - 0x12]
mov dl, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov dword [ebp - 0x20], edi
mov byte [ebp - 0xf], ch
mov byte [ebp - 0xd], dl
mov byte [ebp - 0xe], cl
cmp esi, 3
jne 0x42b2f4
mov al, cl
xor edi, edi
shr al, 2
and cl, 3
mov byte [ebp - 0x18], al
mov al, dl
shl cl, 4
shr al, 4
add cl, al
mov al, ch
mov byte [ebp - 0x17], cl
mov cl, dl
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ch
mov byte [ebp - 0x16], cl
and al, 0x3f
mov ecx, 0x4aa458
mov byte [ebp - 0x15], al
call fcn.00406720
mov esi, eax
cmp dword [esi + 0x14], 0x10
mov ecx, esi
jb 0x42b2cf
mov ecx, dword [esi]
movzx eax, byte [ebp + edi - 0x18]
movzx eax, byte [eax + ecx]
mov ecx, ebx
push eax
call fcn.00406b40
inc edi
cmp edi, 4
jl 0x42b2c5
mov edi, dword [ebp - 0x20]
xor esi, esi
mov dl, byte [ebp - 0xd]
mov cl, byte [ebp - 0xe]
mov ch, byte [ebp - 0xf]
mov eax, dword [ebp + 8]
test eax, eax
jne 0x42b260
mov dword [ebp + 8], esi
test esi, esi
je 0x42b3b2
mov eax, esi
cmp esi, 3
jge 0x42b32e
cmp eax, 3
jae 0x42b3c6
mov byte [ebp + eax - 0x14], 0
inc eax
cmp eax, 3
jl 0x42b314
mov ch, byte [ebp - 0x12]
mov dl, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov al, cl
xor edi, edi
shr al, 2
and cl, 3
mov byte [ebp - 0x18], al
mov al, dl
shr al, 4
and dl, 0xf
shl cl, 4
add cl, al
shl dl, 2
mov al, ch
mov byte [ebp - 0x17], cl
shr al, 6
and ch, 0x3f
add dl, al
mov byte [ebp - 0x15], ch
lea eax, [esi + 1]
mov byte [ebp - 0x16], dl
mov dword [ebp - 0x20], eax
test eax, eax
jle 0x42b398
mov ecx, 0x4aa458
call fcn.00406720
mov esi, eax
cmp dword [esi + 0x14], 0x10
mov ecx, esi
jb 0x42b37e
mov ecx, dword [esi]
movzx eax, byte [ebp + edi - 0x18]
movzx eax, byte [eax + ecx]
mov ecx, ebx
push eax
call fcn.00406b40
inc edi
cmp edi, dword [ebp - 0x20]
jl 0x42b374
mov esi, dword [ebp + 8]
cmp esi, 3
jge 0x42b3b2
mov edi, 3
sub edi, esi
push 0x3d
mov ecx, ebx
call fcn.00406b40
sub edi, 1
jne 0x42b3a4
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call fcn.004558cb
int3

Function at 0x42c4b0
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
mov ebp, dword [esp + 0xc]
mov ebx, ecx
push esi
push edi
xor edi, edi
or edx, 0x100
mov ecx, edx
mov eax, edx
shr ecx, 7
add edx, edx
and ecx, 1
shr eax, 8
neg ecx
sar ecx, 4
and ecx, 0x7f
movzx esi, word [ebx + eax*2]
shr esi, 4
xor esi, ecx
add edi, dword [ebp + esi*4]
cmp edx, 0x10000
jb 0x42c4c2
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x42c500
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
push esi
mov esi, 0x100
xor ebx, ebx
push edi
mov edi, dword [esp + 0x14]
mov ebp, ecx
or edx, esi
add edi, edi
mov ecx, esi
and ecx, edi
mov eax, edx
shr eax, 8
add ecx, esi
add eax, ecx
movzx ecx, word [ebp + eax*2]
mov eax, edx
shr eax, 7
add edx, edx
and eax, 1
shr ecx, 4
neg eax
sar eax, 4
and eax, 0x7f
xor ecx, eax
mov eax, dword [esp + 0x18]
add ebx, dword [eax + ecx*4]
mov ecx, edx
xor ecx, edi
not ecx
and esi, ecx
cmp edx, 0x10000
jb 0x42c513
pop edi
pop esi
pop ebp
mov eax, ebx
pop ebx
ret

Function at 0x42c7f0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x10
push ebx
mov ebx, dword [esp + 0x20]
push ebp
mov ebp, ecx
mov dword [esp + 8], edx
push esi
push edi
movzx esi, word [ebp]
movzx ecx, word [ebp + 2]
mov eax, esi
shr eax, 4
xor esi, 0x7f0
shr esi, 4
mov eax, dword [ebx + eax*4]
mov dword [esp + 0x14], eax
mov eax, ecx
shr eax, 4
xor ecx, 0x7f0
shr ecx, 4
mov eax, dword [ebx + eax*4]
add eax, dword [ebx + esi*4]
mov dword [esp + 0x18], eax
mov eax, dword [ebx + ecx*4]
add eax, dword [ebx + esi*4]
xor esi, esi
mov dword [esp + 0x1c], eax
mov dword [esp + 0x2c], esi
cmp esi, dword [esp + 0x24]
jae 0x42c96a
mov edx, esi
xor edi, edi
mov esi, dword [esp + 0x10]
or edx, 8
nop dword [eax + eax]
mov ecx, edx
and edx, 1
shr ecx, 1
neg edx
sar edx, 4
and edx, 0x7f
lea eax, [ecx + esi*8]
movzx eax, word [ebp + eax*2 + 4]
shr eax, 4
xor eax, edx
mov edx, ecx
add edi, dword [ebx + eax*4]
cmp edx, 1
jne 0x42c860
mov esi, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x14]
add eax, edi
mov dword [ecx + esi*4], eax
inc esi
mov dword [esp + 0x2c], esi
cmp esi, 8
jb 0x42c846
cmp esi, 0x10
jae 0x42c912
lea eax, [esi - 8]
mov dword [esp + 0x14], eax
nop dword [eax]
cmp esi, dword [esp + 0x24]
jae 0x42c96a
mov esi, dword [esp + 0x10]
mov edx, eax
xor edi, edi
or edx, 8
mov ecx, edx
and edx, 1
shr ecx, 1
neg edx
sar edx, 4
and edx, 0x7f
lea eax, [ecx + esi*8]
movzx eax, word [ebp + eax*2 + 0x104]
shr eax, 4
xor eax, edx
mov edx, ecx
add edi, dword [ebx + eax*4]
cmp edx, 1
jne 0x42c8c5
mov esi, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x18]
add eax, edi
mov dword [ecx + esi*4], eax
inc esi
mov eax, dword [esp + 0x14]
inc eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x14], eax
cmp esi, 0x10
jb 0x42c8b0
cmp esi, dword [esp + 0x24]
jae 0x42c96a
lea eax, [esi - 0x10]
mov dword [esp + 0x2c], eax
nop
xor edi, edi
or eax, 0x100
mov edx, eax
and eax, 1
shr edx, 1
neg eax
sar eax, 4
and eax, 0x7f
movzx ecx, word [ebp + edx*2 + 0x204]
shr ecx, 4
xor ecx, eax
mov eax, edx
add edi, dword [ebx + ecx*4]
cmp eax, 1
jne 0x42c927
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x1c]
add eax, edi
mov dword [ecx + esi*4], eax
inc esi
mov eax, dword [esp + 0x2c]
inc eax
mov dword [esp + 0x2c], eax
cmp esi, dword [esp + 0x24]
jb 0x42c920
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
Function at 0x42e510
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0xc
push ebx
push ebp
push esi
xor ebp, ebp
mov dword [esp + 0x14], ecx
lea eax, [ecx + 0x32350]
mov dword [esp + 0xc], ebp
push edi
mov dword [esp + 0x14], eax
nop dword [eax + eax]
xor ebx, ebx
mov edi, ebp
lea eax, [ebx + 1]
lea ebp, [ebx + 4]
nop word [eax + eax]
movzx edx, word [ecx + eax*2 + 0x329f4]
mov esi, edi
and esi, 1
shr edx, 4
mov ecx, esi
shr edi, 1
neg ecx
add eax, eax
sar ecx, 4
or eax, esi
and ecx, 0x7f
xor edx, ecx
mov ecx, dword [esp + 0x18]
add ebx, dword [ecx + edx*4 + 0x30ca0]
sub ebp, 1
jne 0x42e540
mov edx, dword [esp + 0x14]
mov ebp, dword [esp + 0x10]
inc ebp
mov dword [esp + 0x10], ebp
mov dword [edx], ebx
add edx, 4
mov dword [esp + 0x14], edx
cmp ebp, 0x10
jb 0x42e530
pop edi
pop esi
pop ebp
mov dword [ecx + 0x32390], 0
pop ebx
add esp, 0xc
ret
Function at 0x42e5a0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x214
push ebx
push ebp
push esi
mov ebx, 4
push edi
mov edi, ecx
mov dword [esp + 0x10], ebx
nop word [eax + eax]
movzx eax, byte [edi + ebx + 0x304a0]
mov ebp, eax
mov dword [esp + 0x1c], eax
mov edx, eax
shr ebp, 1
and edx, 1
dec ebp
or edx, 2
mov ecx, ebp
shl edx, cl
mov eax, ebx
sub eax, edx
mov dword [esp + 0x18], edx
mov dword [esp + 0x20], eax
xor eax, eax
mov dword [esp + 0x14], eax
lea esi, [eax + 1]
test ebp, ebp
je 0x42e644
mov ebx, dword [esp + 0x20]
nop word [eax + eax]
mov eax, esi
mov edx, ebx
sub eax, dword [esp + 0x1c]
and edx, 1
add eax, dword [esp + 0x18]
add esi, esi
shr ebx, 1
or esi, edx
movzx ecx, word [edi + eax*2 + 0x3290e]
mov eax, edx
neg eax
shr ecx, 4
sar eax, 4
and eax, 0x7f
xor ecx, eax
mov eax, dword [esp + 0x14]
add eax, dword [edi + ecx*4 + 0x30ca0]
mov dword [esp + 0x14], eax
sub ebp, 1
jne 0x42e600
mov ebx, dword [esp + 0x10]
mov dword [esp + ebx*4 + 0x24], eax
inc ebx
mov dword [esp + 0x10], ebx
cmp ebx, 0x80
jb 0x42e5c0
lea ecx, [esp + 0x24]
mov dword [esp + 0x20], 4
sub ecx, edi
lea ebp, [edi + 0x31750]
lea esi, [edi + 0x32710]
mov dword [esp + 0x18], ebp
lea edx, [edi + 0x31b58]
mov dword [esp + 0x10], esi
sub ecx, 0x31b50
mov dword [esp + 0x14], edx
mov dword [esp + 0x1c], ecx
nop
mov eax, dword [edi + 0x32394]
xor ebx, ebx
test eax, eax
je 0x42e6f2
nop dword [eax]
mov ebp, dword [esp + 0x10]
mov eax, ebx
xor esi, esi
or eax, 0x40
nop dword [eax + eax]
mov edx, eax
and eax, 1
shr edx, 1
neg eax
sar eax, 4
and eax, 0x7f
movzx ecx, word [ebp + edx*2]
shr ecx, 4
xor ecx, eax
mov eax, edx
add esi, dword [edi + ecx*4 + 0x30ca0]
cmp eax, 1
jne 0x42e6b0
mov ebp, dword [esp + 0x18]
mov dword [ebp + ebx*4], esi
inc ebx
mov eax, dword [edi + 0x32394]
cmp ebx, eax
jb 0x42e6a0
mov esi, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov ecx, 0xe
cmp eax, ecx
jbe 0x42e717
nop dword [eax + eax]
mov eax, ecx
shr eax, 1
shl eax, 4
sub eax, 0x50
add dword [ebp + ecx*4], eax
inc ecx
cmp ecx, dword [edi + 0x32394]
jb 0x42e700
mov eax, dword [ebp]
mov ecx, 4
mov ebx, dword [esp + 0x1c]
mov dword [edx - 8], eax
mov eax, dword [ebp + 4]
mov dword [edx - 4], eax
mov eax, dword [ebp + 8]
mov dword [edx], eax
mov eax, dword [ebp + 0xc]
mov dword [edx + 4], eax
add edx, 8
nop word [eax + eax]
movzx eax, byte [edi + ecx + 0x304a0]
lea edx, [edx + 4]
inc ecx
mov eax, dword [ebp + eax*4]
add eax, dword [edx + ebx - 4]
mov dword [edx - 4], eax
cmp ecx, 0x80
jb 0x42e740
mov edx, dword [esp + 0x14]
sub esi, 0xffffff80
add ebp, 0x100
mov dword [esp + 0x10], esi
add edx, 0x200
mov dword [esp + 0x18], ebp
sub ebx, 0x200
mov dword [esp + 0x14], edx
sub dword [esp + 0x20], 1
mov dword [esp + 0x1c], ebx
jne 0x42e690
mov dword [edi + 0x3baf8], 0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x214
ret
Function at 0x42e7b0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
sub esp, 0x44
push ebx
mov ebx, ecx
xor edx, edx
push ebp
push esi
push edi
mov dword [ebx + 0x3bad4], 0
lea esi, [ebx + 0x8c]
mov dword [ebx + 0x3bad0], 0
mov dword [esp + 0x1c], ebx
mov dword [ebx + 0x4c], 0
mov dword [ebx + 0x68], 0
mov dword [ebx + 0x3c], 0
mov dword [ebx + 0x48], 0x20
mov dword [ebx + 0x70], 1
mov dword [ebx + 0x64], 4
mov dword [ebx + 0x74], 0
nop word [eax + eax]
mov ecx, edx
lea esi, [esi + 4]
and ecx, 1
mov eax, edx
shr eax, 1
neg ecx
and ecx, 0xedb88320
inc edx
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [esi - 4], eax
cmp edx, 0x100
jb 0x42e810
lea edx, [esp + 0x20]
mov dword [esp + 0x20], 5
mov ecx, ebx
mov dword [esp + 0x44], 0
mov dword [esp + 0x24], 0
mov dword [esp + 0x4c], 0xffffffff
mov dword [esp + 0x40], 0xffffffff
mov dword [esp + 0x3c], 0xffffffff
mov dword [esp + 0x38], 0xffffffff
mov dword [esp + 0x34], 0xffffffff
mov dword [esp + 0x30], 0xffffffff
mov dword [esp + 0x2c], 0xffffffff
mov dword [esp + 0x28], 0xffffffff
mov dword [esp + 0x48], 0
call fcn.0042c1b0
lea edx, [ebx + 0x304a0]
mov eax, 2
mov word [edx], 0x100
mov ebx, eax
mov dword [esp + 0x18], edx
mov dword [esp + 0x14], eax
nop
mov ecx, ebx
mov ebp, 1
sar ecx, 1
dec ecx
shl ebp, cl
test ebp, ebp
je 0x42e96c
lea edi, [eax + edx]
mov ecx, ebp
mov al, bl
mov edx, dword [esp + 0x18]
movzx eax, al
mov esi, ecx
imul eax, eax, 0x1010101
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, esi
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x14]
add eax, ebp
mov dword [esp + 0x14], eax
inc ebx
cmp ebx, 0x16
jl 0x42e930
mov ebx, dword [esp + 0x1c]
mov edi, 8
nop dword [eax + eax]
xor edx, edx
mov eax, edi
lea esi, [edx + 4]
nop word [eax + eax]
imul eax, eax
add edx, edx
cmp eax, 0x10000
jb 0x42e9aa
nop dword [eax]
shr eax, 1
inc edx
cmp eax, 0x10000
jae 0x42e9a0
sub esi, 1
jne 0x42e990
mov eax, edi
mov ecx, 0xa1
shr eax, 4
sub ecx, edx
add edi, 0x10
mov dword [ebx + eax*4 + 0x30ca0], ecx
cmp edi, 0x800
jb 0x42e980
pop edi
mov dword [ebx + 0x323ac], esi
mov dword [ebx + 0x3bb14], esi
pop esi
pop ebp
pop ebx
add esp, 0x44
ret
Function at 0x42f990
Capabilities:
Encrypt data using rc4 prga

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x14]
push ebp
push edi
mov ebp, ecx
xor edi, edi
mov eax, dword [eax]
and eax, 7
mov dword [esp + 0x10], ebp
cmp edx, 5
jae 0x42f9b3
pop edi
xor eax, eax
pop ebp
add esp, 0xc
ret
push ebx
add edx, 0xfffffffc
or ebx, 0xffffffff
add edx, ebp
push esi
mov dword [esp + 0x10], edx
lea esi, [edi + ebp]
cmp esi, edx
jae 0x42f9d7
mov cl, byte [esi]
and cl, 0xfe
cmp cl, 0xe8
je 0x42f9d7
inc esi
cmp esi, edx
jb 0x42f9c8
mov edi, esi
sub edi, ebp
mov ecx, edi
sub ecx, ebx
cmp esi, edx
jae 0x42fae2
cmp ecx, 3
jbe 0x42fa15
xor eax, eax
mov cl, byte [esi + 4]
mov ebx, edi
mov dword [esp + 0x14], ebx
test cl, cl
je 0x42fa51
cmp cl, 0xff
je 0x42fa51
mov edx, dword [esp + 0x10]
and eax, 3
add eax, eax
mov ecx, 1
or eax, 1
add edi, ecx
jmp 0x42f9c1
dec ecx
shl eax, cl
and eax, 7
je 0x42f9ee
cmp byte [eax + 0x492d70], 0
je 0x42fa41
movzx ecx, byte [eax + 0x492d78]
mov edx, esi
sub edx, ecx
mov cl, byte [edx + 4]
test cl, cl
je 0x42fa3d
cmp cl, 0xff
jne 0x42f9ee
mov edx, dword [esp + 0x10]
and eax, 3
mov ebx, edi
add eax, eax
or eax, 1
inc edi
jmp 0x42f9c1
movzx edx, cl
movzx ecx, byte [esi + 3]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 1]
shl edx, 8
or edx, ecx
nop
lea ebx, [edx + 5]
add ebx, edi
test eax, eax
je 0x42faaa
movzx ebp, byte [eax + 0x492d78]
mov ecx, 0x18
shl ebp, 3
mov edx, ebx
sub ecx, ebp
shr edx, cl
test dl, dl
je 0x42fa97
cmp dl, 0xff
jne 0x42faaa
mov ecx, 0x20
mov edx, 1
sub ecx, ebp
shl edx, cl
dec edx
xor edx, ebx
jmp 0x42fa70
mov ebp, dword [esp + 0x18]
mov ecx, ebx
mov edx, dword [esp + 0x10]
shr ecx, 0x18
and cl, 1
mov byte [esi + 1], bl
neg cl
mov byte [esi + 4], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [esi + 3], cl
mov ecx, ebx
mov ebx, dword [esp + 0x14]
shr ecx, 8
mov byte [esi + 2], cl
mov ecx, 5
add edi, ecx
jmp 0x42f9c1
pop esi
pop ebx
cmp ecx, 3
jbe 0x42faf9
mov ecx, dword [esp + 0x1c]
xor eax, eax
mov dword [ecx], eax
mov eax, edi
pop edi
pop ebp
add esp, 0xc
ret
dec ecx
shl eax, cl
mov ecx, dword [esp + 0x1c]
and eax, 7
mov dword [ecx], eax
mov eax, edi
pop edi
pop ebp
add esp, 0xc
ret
Function at 0x4422a0
Capabilities:
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
test edx, edx
jne 0x4422ab
xor eax, eax
pop ebp
ret
pop ebp
jmp fcn.004422c0
Function at 0x445080
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test edx, edx
jne 0x445087
xor eax, eax
ret
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x445147
push edi
mov edi, esi
shr edi, 3
nop dword [eax]
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
sub edi, 1
jne 0x4450a0
pop edi
test esi, esi
je 0x44516a
nop dword [eax + eax]
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x495790]
sub esi, 1
jne 0x445150
not ecx
mov eax, ecx
pop esi
ret
Function at 0x445690
Capabilities:
Write file on windows

Disassembly:
push ecx
push esi
mov esi, ecx
push edi
mov edi, dword [esi + 0x18]
test edi, edi
je 0x445750
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x20]
push ebx
mov ebx, dword [esp + 0x18]
push ebp
lea ecx, [eax + ebx]
cmp ecx, edx
jb 0x445732
lea edi, [edx + edx]
push 0
cmp edi, ecx
cmovbe edi, ecx
push edi
push 0
push 4
push 0
push 0xffffffffffffffff
mov dword [esp + 0x34], edi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov ebp, eax
test ebp, ebp
je 0x4456f4
push edi
push 0
push 0
push 0xf001f
push ebp
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov edi, eax
test edi, edi
jne 0x445701
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ebp
pop ebx
pop edi
mov eax, 0x300
pop esi
pop ecx
ret 8
push dword [esi + 0x20]
push dword [esi + 0x18]
push edi
call fcn.004571e0
add esp, 0xc
push dword [esi + 0x18]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0x1c]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 0x1c]
mov dword [esi + 0x18], edi
mov dword [esi + 4], ebp
push ebx
push dword [esp + 0x1c]
lea ecx, [edi + eax]
push ecx
call fcn.004571e0
add esp, 0xc
mov eax, ebx
add dword [esi + 0x1c], ebx
pop ebp
pop ebx
pop edi
pop esi
pop ecx
ret 8
mov eax, dword [esi]
test eax, eax
je 0x44577e
push 0
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0
push ecx
push dword [esp + 0x1c]
push dword [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 8]
pop edi
pop esi
pop ecx
ret 8
pop edi
mov dword [esi + 0xc], 0x1000000
xor eax, eax
pop esi
pop ecx
ret 8

Function at 0x445980
Capabilities:
Read file on windows

Disassembly:
push ecx
push ebx
push esi
push edi
mov edi, ecx
mov edx, dword [edi + 0x64]
test edx, edx
je 0x4459d5
mov ecx, dword [edi + 0x6c]
mov ebx, dword [edi + 0x68]
cmp ecx, ebx
jae 0x445a1f
mov esi, dword [esp + 0x14]
lea eax, [ecx + edx]
sub ebx, ecx
cmp ebx, dword [esp + 0x18]
cmova ebx, dword [esp + 0x18]
push ebx
push eax
push esi
call fcn.004571e0
mov ecx, dword [edi + 0x58]
mov edx, esi
add dword [edi + 0x6c], ebx
add dword [edi + 0x54], ebx
push ebx
call fcn.00445080
add esp, 0x10
mov dword [edi + 0x58], eax
mov eax, ebx
pop edi
pop esi
pop ebx
pop ecx
ret 8
mov eax, dword [edi + 0x5c]
test eax, eax
je 0x445a18
mov ebx, dword [esp + 0x14]
lea ecx, [esp + 0xc]
push 0
push ecx
push dword [esp + 0x20]
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x445a1f
mov esi, dword [esp + 0xc]
mov edx, ebx
mov ecx, dword [edi + 0x58]
add dword [edi + 0x54], esi
push esi
call fcn.00445080
add esp, 4
mov dword [edi + 0x58], eax
mov eax, esi
pop edi
pop esi
pop ebx
pop ecx
ret 8
mov dword [edi + 0xc], 0x1000000
pop edi
pop esi
xor eax, eax
pop ebx
pop ecx
ret 8
Function at 0x447680
Capabilities:
Read file on windows

Disassembly:
sub esp, 0xc
mov eax, dword [0x4a8068]
xor eax, esp
mov dword [esp + 8], eax
mov eax, dword [esp + 0x18]
push ebx
push ebp
mov ebp, ecx
mov dword [esp + 8], eax
push esi
mov esi, dword [esp + 0x20]
xor ebx, ebx
push edi
cmp dword [ebp + 0x10], 0xffffffff
mov edi, dword [esp + 0x20]
je 0x447702
mov ecx, 0x100000
nop dword [eax]
nop word [eax + eax]
cmp esi, 0x100000
mov dword [esp + 0x14], 0
push 0
mov eax, esi
cmova eax, ecx
lea ecx, [esp + 0x18]
push ecx
push eax
push edi
push dword [ebp + 0x10]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [esp + 0x14]
add ebx, ecx
test eax, eax
je 0x447702
test ecx, ecx
je 0x4476fe
add edi, ecx
sub esi, ecx
mov ecx, 0x100000
jne 0x4476c0
xor eax, eax
jmp 0x447707
mov eax, 1
mov ecx, dword [esp + 0x10]
test ecx, ecx
je 0x447711
mov dword [ecx], ebx
mov ecx, dword [esp + 0x18]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004554e8
add esp, 0xc
ret 0xc