joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4ae220
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.004e2da0
mov eax, dword [0x563374]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
push ebx
mov dword [esp + 4], eax
mov eax, dword [esp + 0x48]
push ebp
mov dword [esp + 0xc], eax
push esi
mov esi, dword [eax]
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 0x10
or ecx, edx
movzx edx, byte [eax + 2]
mov ebp, dword [esp + 0x48]
shl edx, 0x18
or ecx, edx
movzx edx, byte [eax + 3]
shl ebx, 8
or edx, ebx
movzx ebx, byte [eax + 6]
mov dword [esp + 0x2c], eax
movzx eax, byte [eax + 5]
shl ebx, 8
or ebx, eax
mov eax, ecx
shr eax, 8
shl ebx, 0x10
or edx, ebx
mov byte [esp + 0x31], al
mov eax, ecx
mov ebx, ecx
mov byte [esp + 0x30], cl
shr eax, 0x10
shr ecx, 0x18
mov byte [esp + 0x32], al
mov byte [esp + 0x33], cl
mov ecx, edx
mov eax, edx
mov dword [esp + 0x24], edx
mov byte [esp + 0x34], dl
shr ecx, 8
shr eax, 0x10
shr edx, 0x18
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], 0
mov dword [esp + 0x20], ebx
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
test ebp, ebp
je 0x4ae3f4
mov eax, dword [esp + 0x10]
mov ebp, dword [esp + 0x40]
sub eax, ebp
mov dword [esp + 0x10], eax
dec dword [esp + 0x18]
test esi, esi
jne 0x4ae36d
mov ecx, dword [esp + 0x28]
push 1
push ecx
lea edx, [esp + 0x28]
push edx
call fcn.004aa5f0
mov ebx, dword [esp + 0x2c]
mov eax, ebx
shr eax, 8
mov byte [esp + 0x3d], al
mov eax, dword [esp + 0x30]
mov ecx, ebx
shr ecx, 0x10
mov edx, ebx
shr edx, 0x18
mov byte [esp + 0x3e], cl
mov byte [esp + 0x3f], dl
mov ecx, eax
mov edx, eax
mov byte [esp + 0x40], al
shr eax, 0x18
shr ecx, 8
shr edx, 0x10
add esp, 0xc
inc dword [esp + 0x1c]
mov byte [esp + 0x37], al
mov eax, dword [esp + 0x10]
mov byte [esp + 0x30], bl
mov byte [esp + 0x35], cl
mov byte [esp + 0x36], dl
mov cl, byte [esp + esi + 0x30]
xor cl, byte [ebp]
inc esi
mov byte [eax + ebp], cl
inc ebp
and esi, 7
cmp dword [esp + 0x18], 0
jne 0x4ae305
cmp dword [esp + 0x1c], 0
je 0x4ae3db
mov eax, dword [esp + 0x2c]
mov byte [edi], bl
mov edx, ebx
shr edx, 8
mov byte [eax], dl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, dword [esp + 0x24]
shr ebx, 0x18
mov byte [eax + 2], bl
mov byte [eax + 3], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 4], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 5], dl
shr ecx, 0x18
mov byte [eax + 6], cl
mov eax, dword [esp + 0x14]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.004e6abd
add esp, 0x2c
ret
mov ecx, dword [esp + 0x14]
pop edi
mov dword [ecx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.004e6abd
add esp, 0x2c
ret
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x38]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004e6abd
add esp, 0x2c
ret
Function at 0x4af220
Capabilities:
Hash data using sha256

Disassembly:
push edi
push 0x74
push 0
push esi
mov edi, ecx
call fcn.004e00a0
mov dword [esi], 0x6a09e667
mov dword [esi + 4], 0xbb67ae85
mov dword [esi + 8], 0x3c6ef372
mov dword [esi + 0xc], 0xa54ff53a
mov dword [esi + 0x10], 0x510e527f
mov dword [esi + 0x14], 0x9b05688c
mov dword [esi + 0x18], 0x1f83d9ab
mov dword [esi + 0x1c], 0x5be0cd19
mov eax, dword [edi]
xor dword [esi], eax
mov eax, dword [edi + 4]
xor dword [esi + 4], eax
mov eax, dword [edi + 8]
xor dword [esi + 8], eax
mov eax, dword [edi + 0xc]
xor dword [esi + 0xc], eax
mov eax, dword [edi + 0x10]
xor dword [esi + 0x10], eax
mov eax, dword [edi + 0x14]
xor dword [esi + 0x14], eax
mov eax, dword [edi + 0x18]
xor dword [esi + 0x18], eax
mov edi, dword [edi + 0x1c]
xor dword [esi + 0x1c], edi
add esp, 0xc
pop edi
ret
Function at 0x4b1210
Capabilities:
Hash data using sha256

Disassembly:
push 0xe8
push 0
push esi
call fcn.004e00a0
add esp, 0xc
mov dword [esi], 0xf3bcc908
mov dword [esi + 4], 0x6a09e667
mov dword [esi + 8], 0x84caa73b
mov dword [esi + 0xc], 0xbb67ae85
mov dword [esi + 0x10], 0xfe94f82b
mov dword [esi + 0x14], 0x3c6ef372
mov dword [esi + 0x18], 0x5f1d36f1
mov dword [esi + 0x1c], 0xa54ff53a
mov dword [esi + 0x20], 0xade682d1
mov dword [esi + 0x24], 0x510e527f
mov dword [esi + 0x28], 0x2b3e6c1f
mov dword [esi + 0x2c], 0x9b05688c
mov dword [esi + 0x30], 0xfb41bd6b
mov dword [esi + 0x34], 0x1f83d9ab
mov dword [esi + 0x38], 0x137e2179
mov dword [esi + 0x3c], 0x5be0cd19
ret

Function at 0x4b1290
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, edx
mov edi, ecx
call fcn.004b1210
mov edx, edi
lea ecx, [edi + 0x18]
lea eax, [esi + 8]
sub edx, esi
mov ebx, 2
jmp 0x4b12b0
mov esi, dword [ecx - 0x18]
mov edi, dword [ecx - 0x14]
xor dword [eax - 8], esi
xor dword [eax - 4], edi
mov esi, dword [edx + eax]
mov edi, dword [edx + eax + 4]
xor dword [eax], esi
xor dword [eax + 4], edi
mov esi, dword [ecx - 8]
mov edi, dword [ecx - 4]
xor dword [eax + 8], esi
xor dword [eax + 0xc], edi
mov esi, dword [ecx]
mov edi, dword [ecx + 4]
xor dword [eax + 0x10], esi
xor dword [eax + 0x14], edi
add eax, 0x20
add ecx, 0x20
dec ebx
jne 0x4b12b0
pop edi
pop esi
pop ebx
ret
Function at 0x4bd880
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xa0
call fcn.004e2da0
mov eax, dword [0x563374]
xor eax, esp
mov dword [esp + 0x9c], eax
mov eax, dword [esp + 0xa8]
push ebp
mov ebp, dword [esp + 0xa8]
push esi
mov esi, ecx
test eax, eax
je 0x4bda0a
push ebx
dec eax
push edi
lea edi, [ebp + 0xc]
shr eax, 3
add ebp, 0x14
inc eax
mov dword [esp + 0x18], eax
movzx eax, byte [esi + 1]
movzx ebx, byte [esi]
movzx ecx, byte [esi + 2]
movzx edx, byte [esi + 3]
shl eax, 8
or ebx, eax
movzx eax, byte [esi + 4]
shl ecx, 0x10
or ebx, ecx
movzx ecx, byte [esi + 5]
shl edx, 0x18
or ebx, edx
movzx edx, byte [esi + 6]
shl ecx, 8
or eax, ecx
movzx ecx, byte [esi + 7]
shl edx, 0x10
or eax, edx
mov dl, byte [edi]
shl ecx, 0x18
or eax, ecx
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x28], eax
mov al, byte [ebp]
and dl, 0xdf
and al, 0xbf
or dl, 0x40
or al, 0x20
push edi
mov dword [esp + 0x20], ebx
mov dword [esp + 0x28], ebx
add esi, 8
mov byte [edi], dl
mov byte [ebp], al
call fcn.004adaa0
lea ecx, [esp + 0x30]
push ecx
push edi
call fcn.004adb20
push 1
lea edx, [esp + 0x3c]
push edx
lea eax, [esp + 0x38]
push eax
call fcn.004aa5f0
push ebp
call fcn.004adaa0
lea ecx, [esp + 0x48]
push ecx
push ebp
call fcn.004adb20
push 1
lea edx, [esp + 0x54]
push edx
lea eax, [esp + 0x48]
push eax
call fcn.004aa5f0
mov ecx, dword [esp + 0x4c]
mov eax, dword [esp + 0x50]
xor eax, dword [esp + 0x40]
mov edx, dword [esp + 0x58]
xor dword [esp + 0x40], edx
xor ecx, ebx
xor ebx, dword [esp + 0x54]
mov dword [esp + 0x44], eax
mov eax, edi
mov byte [eax], bl
mov edx, ebx
shr edx, 8
mov byte [eax + 1], dl
mov edx, ebx
shr edx, 0x10
mov byte [eax + 2], dl
mov edx, dword [esp + 0x44]
shr ebx, 0x18
mov byte [eax + 3], bl
mov ebx, edx
add esp, 0x30
mov byte [eax + 4], dl
shr ebx, 8
mov byte [eax + 5], bl
mov ebx, edx
shr edx, 0x18
shr ebx, 0x10
mov byte [eax + 6], bl
mov byte [eax + 7], dl
mov eax, ebp
mov byte [eax], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 1], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 2], dl
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, dword [esp + 0x10]
mov edx, ecx
shr edx, 8
mov byte [eax + 4], cl
mov byte [eax + 5], dl
mov edx, ecx
shr edx, 0x10
shr ecx, 0x18
dec dword [esp + 0x18]
mov byte [eax + 6], dl
mov byte [eax + 7], cl
jne 0x4bd8c3
pop edi
pop ebx
mov ecx, dword [esp + 0xa4]
pop esi
pop ebp
xor ecx, esp
call fcn.004e6abd
add esp, 0xa0
ret

Function at 0x4bdb40
Capabilities:
Hash data with md5

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x5c
push 0
push esi
call fcn.004e00a0
add esp, 0xc
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
mov eax, 1
pop esi
ret
Function at 0x4c2210
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x88
call fcn.004e2da0
mov eax, dword [0x563374]
xor eax, esp
mov dword [esp + 0x84], eax
mov eax, dword [esp + 0x9c]
push ebx
mov ebx, dword [esp + 0x9c]
push esi
mov esi, dword [esp + 0x94]
mov dword [esp + 8], eax
xor eax, eax
push edi
mov edi, dword [esp + 0x9c]
test ebx, ebx
je 0x4c2273
cmp ebx, dword [esi]
je 0x4c226a
test edi, edi
je 0x4c2300
cmp dword [esp + 0xa0], eax
jl 0x4c2300
mov eax, 1
mov dword [esi], ebx
jmp 0x4c227d
mov ebx, dword [esi]
test ebx, ebx
je 0x4c2300
test edi, edi
je 0x4c235e
push ebp
push ebx
call fcn.0044db60
mov ebp, eax
add esp, 4
cmp ebp, 0x80
jle 0x4c22ad
push 0x28
push str.....openssl_1.1.0ecryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.004441a0
add esp, 0xc
mov eax, dword [esp + 0xa4]
cmp ebp, eax
pop ebp
jge 0x4c231a
mov ecx, dword [esp + 0xc]
mov edx, dword [esi + 4]
push ecx
push ebx
push edx
call fcn.0045e020
add esp, 0xc
test eax, eax
je 0x4c2300
mov eax, dword [esp + 0xa0]
mov ecx, dword [esi + 4]
push eax
push edi
push ecx
call fcn.0045e1d0
add esp, 0xc
test eax, eax
je 0x4c2300
mov eax, dword [esi + 4]
lea edi, [esi + 0x10]
push edi
lea edx, [esi + 0x14]
push edx
push eax
call fcn.0045e1e0
add esp, 0xc
test eax, eax
jne 0x4c233b
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.004e6abd
add esp, 0x88
ret
cmp eax, 0x80
ja 0x4c2300
push eax
lea ecx, [esi + 0x14]
push edi
push ecx
call fcn.004df910
mov edx, dword [esp + 0xac]
lea edi, [esi + 0x10]
add esp, 0xc
mov dword [edi], edx
mov edi, dword [edi]
cmp edi, 0x80
je 0x4c2366
mov eax, 0x80
sub eax, edi
push eax
lea ecx, [edi + esi + 0x14]
push 0
push ecx
call fcn.004e00a0
add esp, 0xc
jmp 0x4c2366
test eax, eax
je 0x4c2409
xor eax, eax
jmp 0x4c2370
mov dl, byte [esi + eax + 0x14]
xor dl, 0x36
mov byte [esp + eax + 0x10], dl
inc eax
cmp eax, 0x80
jl 0x4c2370
mov edi, dword [esp + 0xc]
mov eax, dword [esi + 8]
push edi
push ebx
push eax
call fcn.0045e020
add esp, 0xc
test eax, eax
je 0x4c2300
push ebx
call fcn.0044db60
mov edx, dword [esi + 8]
push eax
lea ecx, [esp + 0x18]
push ecx
push edx
call fcn.0045e1d0
add esp, 0x10
test eax, eax
je 0x4c2300
xor eax, eax
nop
mov cl, byte [esi + eax + 0x14]
xor cl, 0x5c
mov byte [esp + eax + 0x10], cl
inc eax
cmp eax, 0x80
jl 0x4c23c0
mov edx, dword [esi + 0xc]
push edi
push ebx
push edx
call fcn.0045e020
add esp, 0xc
test eax, eax
je 0x4c2300
push ebx
call fcn.0044db60
mov ecx, dword [esi + 0xc]
push eax
lea eax, [esp + 0x18]
push eax
push ecx
call fcn.0045e1d0
add esp, 0x10
test eax, eax
je 0x4c2300
mov edx, dword [esi + 8]
mov eax, dword [esi + 4]
push edx
push eax
call fcn.0045e260
add esp, 8
test eax, eax
je 0x4c2300
mov ecx, dword [esp + 0x90]
pop edi
pop esi
pop ebx
xor ecx, esp
mov eax, 1
call fcn.004e6abd
add esp, 0x88
ret
Function at 0x4e33ef
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
xor esi, esi
cmp dword [ebp + 8], esi
jne 0x4e3416
call fcn.004e649d
mov dword [eax], esi
call fcn.004e648a
push 0x16
pop esi
mov dword [eax], esi
call fcn.004ec7da
mov eax, esi
jmp 0x4e346b
test dword [ebp + 0xc], 0xfffffff9
jne 0x4e33fc
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4e3443
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004e64b0
pop ecx
call fcn.004e648a
mov eax, dword [eax]
jmp 0x4e346b
test al, 0x10
jne 0x4e3469
test al, 1
je 0x4e3469
test byte [ebp + 0xc], 2
je 0x4e3469
call fcn.004e649d
mov dword [eax], 5
call fcn.004e648a
mov dword [eax], 0xd
jmp 0x4e343a
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4e6abd
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x563374]
jne 0x4e6ac7
repz ret
jmp fcn.004f7257
Function at 0x4f9a17
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x563374]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0xc]
push esi
push edi
mov dword [ebp - 0x1c], eax
call fcn.004ec131
and dword [ebp - 0x14], 0
cmp dword [0x580e5c], 0
mov dword [ebp - 0x18], eax
jne 0x4f9aca
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ebx, eax
test ebx, ebx
je 0x4f9b72
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x54e3fc
push ebx
call edi
test eax, eax
je 0x4f9b72
mov esi, dword [sym.imp.KERNEL32.dll_EncodePointer]
push eax
call esi
push str.GetActiveWindow
push ebx
mov dword [0x580e5c], eax
call edi
push eax
call esi
push str.GetLastActivePopup
push ebx
mov dword [0x580e60], eax
call edi
push eax
call esi
push 0x54e3bc
push ebx
mov dword [0x580e64], eax
call edi
push eax
call esi
mov dword [0x580e6c], eax
test eax, eax
je 0x4f9aca
push 0x54e3a4
push ebx
call edi
push eax
call esi
mov dword [0x580e68], eax
mov eax, dword [0x580e68]
mov ecx, dword [ebp - 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, ecx
je 0x4f9b23
cmp dword [0x580e6c], ecx
je 0x4f9b23
push eax
call esi
push dword [0x580e6c]
mov edi, eax
call esi
mov ebx, eax
test edi, edi
je 0x4f9b23
test ebx, ebx
je 0x4f9b23
call edi
test eax, eax
je 0x4f9b1a
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call ebx
test eax, eax
je 0x4f9b1a
test byte [ebp - 8], 1
jne 0x4f9b23
or dword [ebp + 0x10], 0x200000
jmp 0x4f9b56
mov eax, dword [0x580e60]
cmp eax, dword [ebp - 0x18]
je 0x4f9b56
push eax
call esi
test eax, eax
je 0x4f9b56
call eax
mov dword [ebp - 0x14], eax
test eax, eax
je 0x4f9b56
mov eax, dword [0x580e64]
cmp eax, dword [ebp - 0x18]
je 0x4f9b56
push eax
call esi
test eax, eax
je 0x4f9b56
push dword [ebp - 0x14]
call eax
mov dword [ebp - 0x14], eax
push dword [0x580e5c]
call esi
test eax, eax
je 0x4f9b72
push dword [ebp + 0x10]
push dword [ebp - 0x1c]
push dword [ebp - 0x20]
push dword [ebp - 0x14]
call eax
jmp 0x4f9b74
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004e6abd
leave
ret
Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x430072
mov ebx, 0x408f6c
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
mov esi, 0x33a54345
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
nop
add eax, edi
loop 0x430060
nop
nop
nop
nop
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
je 0x4300d2
nop
nop
nop
mov ebx, 0x42e3d0
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x2cd50fb
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
popal
nop
nop
nop
jmp 0x401219

Function at 0x42e000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
push 4
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
cmp eax, 0
nop
je 0x42e072
nop
nop
nop
nop
nop
mov ebx, 0x407ef8
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
mov eax, ecx
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x277f2b4f
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x42e060
nop
nop
nop
mov eax, section..data_1
nop
nop
cmp eax, 0
nop
nop
je 0x42e0d2
nop
nop
nop
nop
mov ebx, 0x42cd70
nop
nop
nop
mov ecx, ebx
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
push eax
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
mov esi, 0x682463d2
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x42e0c0
nop
popal
nop
nop
nop
nop
nop
jmp 0x401219
Function at 0x401000
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x10]
push ebx
push esi
xor esi, esi
push edi
xor ebx, ebx
mov dword [ebp - 0x14], esi
mov dword [ebp - 8], esi
mov dword [ebp - 0x10], eax
cmp esi, dword [ebp + 0x10]
jge 0x401191
mov eax, dword [ebp - 0x10]
push 3
pop edx
cmp eax, edx
mov dword [ebp - 0xc], edx
jge 0x401032
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp - 0xc]
mov eax, 0x3d3d3d3d
lea edi, [ebp - 4]
stosw word es:[edi], ax
test ecx, ecx
stosb byte es:[edi], al
jle 0x401059
mov eax, dword [ebp + 8]
lea edi, [ebp - 4]
add esi, eax
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, edx
rep movsb byte es:[edi], byte [esi]
mov cl, byte [ebp - 4]
mov al, cl
shr al, 2
test ebx, ebx
mov byte [ebp - 1], al
je 0x40108e
mov edi, dword [ebp + 0x14]
test edi, edi
jle 0x401096
mov eax, ebx
mov esi, dword [ebp + 0xc]
sub eax, dword [ebp - 8]
cdq
idiv edi
test edx, edx
jne 0x401099
mov byte [ebx + esi], 0xd
inc ebx
mov byte [ebx + esi], 0xa
inc ebx
add dword [ebp - 8], 2
jmp 0x401099
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x14]
jmp 0x401099
mov esi, dword [ebp + 0xc]
movzx eax, byte [ebp - 1]
mov edx, dword [str.ljhfdb_zxvtrpNLJHFDB_Z_______:86420]
and cl, 3
shl cl, 4
mov al, byte [eax + edx]
mov byte [ebx + esi], al
mov al, byte [ebp - 3]
mov dl, al
inc ebx
shr dl, 4
add cl, dl
test ebx, ebx
je 0x4010df
test edi, edi
jle 0x4010df
mov eax, ebx
sub eax, dword [ebp - 8]
cdq
idiv edi
test edx, edx
jne 0x4010dc
mov byte [ebx + esi], 0xd
inc ebx
mov byte [ebx + esi], 0xa
inc ebx
add dword [ebp - 8], 2
mov al, byte [ebp - 3]
mov edx, dword [str.ljhfdb_zxvtrpNLJHFDB_Z_______:86420]
and al, 0xf
movzx ecx, cl
shl al, 2
mov cl, byte [ecx + edx]
mov byte [ebx + esi], cl
mov cl, byte [ebp - 2]
mov dl, cl
inc ebx
shr dl, 6
add al, dl
test ebx, ebx
mov byte [ebp - 1], al
je 0x401123
test edi, edi
jle 0x401123
mov eax, ebx
sub eax, dword [ebp - 8]
cdq
idiv edi
test edx, edx
jne 0x401123
mov byte [ebx + esi], 0xd
inc ebx
mov byte [ebx + esi], 0xa
inc ebx
add dword [ebp - 8], 2
movzx eax, byte [ebp - 1]
mov edx, dword [str.ljhfdb_zxvtrpNLJHFDB_Z_______:86420]
mov al, byte [eax + edx]
mov byte [ebx + esi], al
inc ebx
cmp dword [ebp - 0xc], 2
jg 0x40113f
mov byte [ebx + esi - 1], 0x3d
and cl, 0x3f
test ebx, ebx
je 0x401164
test edi, edi
jle 0x401164
mov eax, ebx
sub eax, dword [ebp - 8]
cdq
idiv edi
test edx, edx
jne 0x401164
mov byte [ebx + esi], 0xd
inc ebx
mov byte [ebx + esi], 0xa
inc ebx
add dword [ebp - 8], 2
movzx eax, cl
mov ecx, dword [str.ljhfdb_zxvtrpNLJHFDB_Z_______:86420]
mov al, byte [eax + ecx]
mov byte [ebx + esi], al
inc ebx
cmp dword [ebp - 0xc], 1
jg 0x40117f
mov byte [ebx + esi - 1], 0x3d
mov esi, dword [ebp - 0x14]
add esi, 3
sub dword [ebp - 0x10], 3
mov dword [ebp - 0x14], esi
jmp 0x401019
pop edi
mov eax, ebx
pop esi
pop ebx
leave
ret
Function at 0x401198
Capabilities:
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x110
and dword [ebp - 8], 0
lea eax, [ebp - 4]
push eax
push 4
push 0x40f244
call fcn.00403434
pop ecx
pop ecx
push eax
push closesocket
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x401282
push ebx
push esi
push edi
mov ebx, str.PlBN
push eax
push ebx
call fcn.00403464
pop ecx
mov dword [ebp - 0xc], eax
pop ecx
lea eax, [ebp - 0x110]
push 0x104
push eax
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
test eax, eax
jne 0x401276
lea eax, [ebp - 0x110]
push eax
call fcn.0040c438
xor edi, edi
pop ecx
cmp dword [ebp - 0xc], edi
jle 0x40126e
push edi
push ebx
call fcn.00403434
push eax
lea eax, [ebp - 0x110]
push eax
call fcn.00403b7d
add esp, 0x10
test eax, eax
je 0x401268
push 0x40fb6f
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x401268
push 2
push str.J____b
call fcn.00403434
pop ecx
pop ecx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x401261
lea ecx, [ebp - 0x110]
push ecx
push dword [ebp - 4]
call eax
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
inc edi
cmp edi, dword [ebp - 0xc]
jl 0x40120f
inc dword [ebp - 8]
jmp 0x4011df
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop esi
pop ebx
leave
ret

Function at 0x401284
Capabilities:
Delete registry value
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x814
lea eax, [ebp + 0xc]
push esi
and dword [ebp - 4], 0
push eax
push dword [ebp + 0xc]
mov esi, 0x400
mov dword [ebp - 0xc], esi
mov dword [ebp - 8], esi
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x4012b8
xor eax, eax
jmp 0x4013a4
push ebx
push edi
mov edi, str.PlBN
push 0
push edi
call fcn.00403464
pop ecx
mov dword [ebp + 8], eax
pop ecx
lea eax, [ebp - 8]
xor ebx, ebx
push eax
lea eax, [ebp - 0x814]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push ebx
push eax
lea eax, [ebp - 0x414]
mov dword [ebp - 0xc], esi
push eax
mov dword [ebp - 8], esi
push dword [ebp - 4]
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegEnumValueA]
test eax, eax
jne 0x401397
cmp dword [ebp - 0x10], 1
je 0x40130f
and byte [ebp - 0x814], al
lea eax, [ebp - 0x414]
push eax
call fcn.0040c438
lea eax, [ebp - 0x814]
push eax
call fcn.0040c438
cmp dword [ebp + 8], 0
pop ecx
pop ecx
jle 0x40138f
push ebx
push edi
call fcn.00403434
mov dword [ebp - 0x14], eax
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00403b7d
add esp, 0x10
test eax, eax
jne 0x401379
push dword [ebp - 0x14]
lea eax, [ebp - 0x814]
push eax
call fcn.00403b7d
pop ecx
test eax, eax
pop ecx
jne 0x401379
lea eax, [ebp - 0x414]
push 0x40e034
push eax
call fcn.004072d0
pop ecx
test eax, eax
pop ecx
jne 0x401389
lea eax, [ebp - 0x414]
push eax
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
inc ebx
cmp ebx, dword [ebp + 8]
jl 0x40132f
inc dword [ebp - 4]
jmp 0x4012cc
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
xor eax, eax
pop ebx
pop esi
leave
ret 8