joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10053440
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
push ebx
mov ebx, dword [esp + 0x28]
push esi
push edi
test ebx, ebx
mov esi, edx
mov edi, ecx
je 0x100534d6
push ebp
lea ebp, [edi + 0x10]
mov ecx, dword [esi + 4]
mov edx, dword [esi + 8]
mov eax, dword [esi]
mov dword [esp + 0x14], ecx
mov dword [esp + 0x18], edx
lea ecx, [esp + 0x10]
lea edx, [esp + 0x20]
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0xc]
push ecx
push edx
push ebp
mov dword [esp + 0x28], eax
call fcn.100534e0
mov eax, dword [edi]
add esi, 0x10
mov ecx, dword [esp + 0x20]
xor eax, ecx
mov ecx, dword [esp + 0x24]
mov dword [esi - 0x10], eax
mov edx, dword [edi + 4]
xor ecx, edx
mov edx, dword [esp + 0x28]
mov dword [esi - 0xc], ecx
mov eax, dword [edi + 8]
mov ecx, dword [esp + 0x10]
xor edx, eax
mov eax, dword [esp + 0x2c]
mov dword [esi - 8], edx
mov edx, dword [edi + 0xc]
xor eax, edx
mov edx, dword [esp + 0x14]
mov dword [esi - 4], eax
mov eax, dword [esp + 0x18]
mov dword [edi], ecx
mov ecx, dword [esp + 0x1c]
dec ebx
mov dword [edi + 4], edx
mov dword [edi + 8], eax
mov dword [edi + 0xc], ecx
jne 0x1005345a
pop ebp
pop edi
pop esi
pop ebx
add esp, 0x20
ret 4

Function at 0x100539a0
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
sub esp, 0x20
test eax, eax
push esi
push edi
mov esi, edx
mov edi, ecx
je 0x10053a06
push ebx
push ebp
lea ebx, [edi + 0x10]
mov ebp, eax
mov eax, dword [edi]
inc eax
mov dword [edi], eax
jne 0x100539c2
inc dword [edi + 4]
lea eax, [esp + 0x10]
push edi
push eax
push ebx
call fcn.10052f70
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
mov dword [esp + 0x20], ecx
mov ecx, dword [esp + 0x1c]
mov dword [esp + 0x28], eax
mov dword [esp + 0x24], edx
mov dword [esp + 0x2c], ecx
xor eax, eax
mov dl, byte [esp + eax + 0x20]
mov cl, byte [esi]
xor cl, dl
mov byte [esi], cl
inc esi
inc eax
cmp eax, 0x10
jl 0x100539f0
dec ebp
jne 0x100539b8
pop ebp
pop ebx
pop edi
pop esi
add esp, 0x20
ret 4

Function at 0x10054a90
Capabilities:
Check os version

Disassembly:
sub esp, 0x94
lea eax, [esp]
mov dword [esp], 0x94
push eax
call dword [sym.imp.KERNEL32.DLL_GetVersionExA]
test eax, eax
jne 0x10054ab4
add esp, 0x94
ret
cmp dword [esp + 4], 5
sbb eax, eax
inc eax
add esp, 0x94
ret

Function at 0x10055160
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
xor edi, edi
push esi
mov dword [esi + 0x30], edi
mov dword [esi + 0x4c], edi
mov dword [esi + 0x20], edi
call fcn.100551b0
xor edx, edx
add esi, 0x70
mov eax, edx
mov ecx, 8
mov edi, eax
and edi, 1
dec edi
not edi
and edi, 0xedb88320
shr eax, 1
xor eax, edi
dec ecx
jne 0x10055183
mov dword [esi], eax
inc edx
add esi, 4
cmp edx, 0x100
jb 0x1005517c
pop edi
pop esi
ret 4
Function at 0x1005ae00
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 8]
mov edx, 1
shl edx, cl
mov ecx, dword [esp + 0xc]
xor eax, eax
or ecx, edx
cmp ecx, 1
je 0x1005ae4c
push ebx
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x10]
mov edx, ecx
and ecx, 1
shr edx, 1
xor ebx, ebx
mov bx, word [edi + edx*2]
neg ecx
sar ecx, 4
shr ebx, 4
and ecx, 0x7f
xor ebx, ecx
mov ecx, dword [esi + ebx*4]
add eax, ecx
mov ecx, edx
cmp ecx, 1
jne 0x1005ae23
pop edi
pop esi
pop ebx
ret 0x10

Function at 0x1005aea0
Capabilities:
Encode data using xor

Disassembly:
push edi
mov edi, dword [esp + 0xc]
xor eax, eax
mov edx, 1
test edi, edi
je 0x1005aeea
push ebx
push ebp
push esi
mov esi, dword [esp + 0x1c]
mov ebp, dword [esp + 0x14]
mov ecx, esi
xor ebx, ebx
and ecx, 1
mov bx, word [ebp + edx*2]
mov ebp, ecx
neg ebp
sar ebp, 4
shr ebx, 4
and ebp, 0x7f
add edx, edx
xor ebx, ebp
mov ebp, dword [esp + 0x20]
shr esi, 1
add eax, dword [ebp + ebx*4]
or edx, ecx
dec edi
jne 0x1005aeb7
pop esi
pop ebp
pop ebx
pop edi
ret 0x10

Function at 0x1005bc90
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, 0x100
or esi, edi
mov eax, esi
mov ecx, edi
shr eax, 7
and eax, 1
mov edx, esi
shl ebx, 1
push eax
and ecx, ebx
mov eax, edi
shr edx, 8
add eax, ecx
add edx, eax
lea ecx, [ebp + edx*2]
mov edx, dword [esp + 0x18]
push ecx
push edx
call fcn.1005bbe0
shl esi, 1
mov eax, esi
xor eax, ebx
not eax
and edi, eax
cmp esi, 0x10000
jb 0x1005bca7
pop edi
pop esi
pop ebp
pop ebx
ret 0x10
Function at 0x1005d200
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0xc]
push ebx
push esi
mov esi, dword [esp + 0xc]
xor eax, eax
push edi
or ch, 1
mov edi, ecx
xor ebx, ebx
shr edi, 8
mov bx, word [esi + edi*2]
mov edi, ecx
shr edi, 7
and edi, 1
neg edi
sar edi, 4
shr ebx, 4
and edi, 0x7f
xor ebx, edi
shl ecx, 1
mov edi, dword [edx + ebx*4]
add eax, edi
cmp ecx, 0x10000
jb 0x1005d214
pop edi
pop esi
pop ebx
ret 0xc

Function at 0x1005d250
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x18]
xor eax, eax
push edi
mov edx, 0x100
or ch, 1
shl esi, 1
mov edi, edx
mov ebx, ecx
and edi, esi
mov ebp, edx
shr ebx, 8
add ebp, edi
xor edi, edi
add ebx, ebp
mov ebp, dword [esp + 0x14]
mov di, word [ebp + ebx*2]
mov ebx, ecx
shr ebx, 7
and ebx, 1
neg ebx
sar ebx, 4
shr edi, 4
and ebx, 0x7f
xor edi, ebx
mov ebx, dword [esp + 0x20]
shl ecx, 1
mov ebp, dword [ebx + edi*4]
mov edi, ecx
xor edi, esi
add eax, ebp
not edi
and edx, edi
cmp ecx, 0x10000
jb 0x1005d266
pop edi
pop esi
pop ebp
pop ebx
ret 0x10

Function at 0x10061b30
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x48]
mov edx, dword [esi + 0x50]
mov ecx, eax
imul ecx, dword [esp + 0xc]
add edx, ecx
mov dword [esi + 0x50], edx
mov edx, dword [esi + 0x4c]
sub edx, ecx
imul eax, dword [esp + 0x10]
mov dword [esi + 0x4c], edx
mov dword [esi + 0x48], eax
mov eax, dword [esi + 0x50]
mov ecx, dword [esi + 0x48]
lea edx, [eax + ecx]
xor edx, eax
cmp edx, 0x1000000
jb 0x10061b7c
cmp ecx, 0x8000
jae 0x10061ba6
neg eax
and eax, 0x7fff
mov dword [esi + 0x48], eax
mov eax, dword [esi + 0x54]
push eax
call dword [eax]
mov ecx, dword [esi + 0x4c]
and eax, 0xff
shl ecx, 8
or eax, ecx
mov ecx, dword [esi + 0x48]
mov dword [esi + 0x4c], eax
mov eax, dword [esi + 0x50]
shl ecx, 8
shl eax, 8
mov dword [esi + 0x48], ecx
mov dword [esi + 0x50], eax
jmp 0x10061b57
pop esi
ret 0xc

Function at 0x10061ff0
Capabilities:
Hash data using sha256

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax + 0x20], ecx
mov dword [eax], 0x6a09e667
mov dword [eax + 4], 0xbb67ae85
mov dword [eax + 8], 0x3c6ef372
mov dword [eax + 0xc], 0xa54ff53a
mov dword [eax + 0x10], 0x510e527f
mov dword [eax + 0x14], 0x9b05688c
mov dword [eax + 0x18], 0x1f83d9ab
mov dword [eax + 0x1c], 0x5be0cd19
mov dword [eax + 0x24], ecx
ret 4

Function at 0x10062500
Capabilities:
Create thread

Disassembly:
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 8]
lea eax, [esp + 0xc]
push eax
push 0
push ecx
push edx
push 0
push 0
call fcn.10062ccf
mov ecx, dword [esp + 0x1c]
add esp, 0x18
push eax
mov dword [ecx], eax
call fcn.10062470
ret 0xc
Function at 0xb02058
Capabilities:
Decompress data using aplib

Disassembly:
call fcn.00b021a8
push ebx
mov ebx, esp
push ebx
mov esi, dword [ebx + 8]
mov edi, dword [ebx + 0x10]
cld
mov dl, pe_nt_image_headers32
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
mov ebx, 2
add dl, dl
jne 0xb0207e
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0xb0206a
add dl, dl
jne 0xb02089
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0xb020dc
xor eax, eax
add dl, dl
jne 0xb02096
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0xb0217d
add dl, dl
jne 0xb020a5
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0xb020b0
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0xb020bb
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0xb020c6
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0xb020d2
push edi
mov eax, eax
sub edi, eax
mov al, byte [edi]
pop edi
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0xb02075
mov eax, 1
add dl, dl
jne 0xb020ea
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0xb020f5
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0xb020e1
sub eax, ebx
mov ebx, 1
jne 0xb02128
mov ecx, 1
add dl, dl
jne 0xb0210e
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0xb02119
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0xb02105
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0xb02075
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0xb0213f
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0xb0214a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0xb02136
cmp eax, 0x7d00
jae 0xb0216d
cmp eax, 0x500
jb 0xb02168
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0xb02075
cmp eax, 0x7f
ja 0xb02170
add ecx, 2
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0xb02075
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0xb0219e
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0xb02075
pop ebx
sub edi, dword [ebx + 0x10]
mov eax, edi
pop ebx
ret 0x10
Function at 0x4accfd
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4acd35
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.004aada1
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004aad79
jmp 0x4acd41
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4ae3ef
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 0x4ae431
call fcn.004b402e
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.DLL_FindResourceA]
cmp eax, edi
je 0x4ae431
push eax
push esi
call dword [sym.imp.KERNEL32.DLL_LoadResource]
cmp eax, edi
jne 0x4ae428
xor eax, eax
jmp 0x4ae439
push eax
call dword [sym.imp.KERNEL32.DLL_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004ae43f
pop edi
pop esi
pop ebx
ret 4

Function at 0x4b455e
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 0x4b458c
push dword [esi]
call dword [sym.imp.KERNEL32.DLL_TlsGetValue]
test eax, eax
je 0x4b45aa
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004b44c4
jmp 0x4b45aa
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4b45aa
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004b44c4
test edi, edi
mov eax, edi
jne 0x4b4594
pop edi
push ebx
call dword [sym.imp.KERNEL32.DLL_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x300093c7
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
and dword [ebp - 4], 0
cmp dword [ebp + 8], 0
je 0x30009436
mov eax, dword [ebp + 8]
test eax, 3
je 0x300093f8
cmp word [eax], 0
je 0x300093f1
lea eax, [eax + 2]
test eax, 3
je 0x300093f8
jmp 0x300093df
sub eax, dword [ebp + 8]
shr eax, 1
jmp 0x30009433
mov edx, dword [eax]
lea eax, [eax + 4]
mov ecx, edx
sub edx, 0x10001
xor edx, ecx
and edx, 0x80008000
je 0x300093f8
sub eax, dword [ebp + 8]
shr eax, 1
test cx, cx
lea eax, [eax - 2]
je 0x30009433
test ecx, 0xffff0000
lea eax, [eax + 1]
je 0x30009433
lea eax, [eax*2 + 2]
add eax, dword [ebp + 8]
jmp 0x300093f8
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
leave
ret 4
Function at 0x4016e6
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x10
push ebx
push esi
mov esi, ecx
and dword [esi + 0x30], 0
push edi
call fcn.004015ad
mov eax, dword [eax + 0x30]
mov edi, dword [eax + 0xc]
add edi, 0xc
mov ebx, dword [edi]
jmp 0x40172c
push 0xa
push 0xa
push 0xfed204
push 0x3114b604
call fcn.00401dd2
add esp, 0xc
push eax
push dword [ebx + 0x30]
call fcn.0040161c
add esp, 0xc
test eax, eax
je 0x401735
mov ebx, dword [ebx]
cmp ebx, edi
jne 0x401704
jmp 0x4017c7
mov ebx, dword [ebx + 0x18]
test ebx, ebx
je 0x4017c7
mov eax, dword [ebx + 0x3c]
mov edi, dword [eax + ebx + 0x78]
and dword [esp + 0xc], 0
add edi, ebx
mov eax, dword [edi + 0x1c]
add eax, ebx
push ebp
mov ebp, dword [edi + 0x20]
mov dword [esp + 0x1c], eax
mov eax, dword [edi + 0x24]
add eax, ebx
add ebp, ebx
cmp dword [edi + 0x18], 0
mov dword [esp + 0x18], eax
jbe 0x4017c3
mov eax, dword [esp + 0x10]
mov eax, dword [ebp + eax*4]
push 0x16
add eax, ebx
push 0xfed1ec
push 0x40704011
mov dword [esp + 0x20], eax
call fcn.00401d84
push eax
push dword [esp + 0x24]
call fcn.00401648
add esp, 0x14
test eax, eax
je 0x4017ab
inc dword [esp + 0x10]
mov eax, dword [esp + 0x10]
cmp eax, dword [edi + 0x18]
jb 0x40176c
jmp 0x4017c3
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x18]
movzx eax, word [eax + ecx*2]
mov ecx, dword [esp + 0x1c]
mov eax, dword [ecx + eax*4]
add eax, ebx
mov dword [esi + 4], eax
mov dword [esi + 0x30], ebx
pop ebp
cmp dword [esi + 0x30], 0
je 0x40192e
push 0xa
push 0xfed1e0
push 0x29a1a909
call fcn.00401d84
add esp, 0xc
push eax
push esi
mov ecx, esi
call fcn.004016be
push 0xc
push 0xfed1d0
push 0x13cbcee9
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 8]
push eax
mov ecx, esi
call fcn.004016be
push 0x18
push 0xfed1b4
push 0x17ce53be
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0xc]
push eax
mov ecx, esi
call fcn.004016be
push 0xf
push 0xfed1a4
push 0x26b30b69
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x10]
push eax
mov ecx, esi
call fcn.004016be
push 0x12
push 0xfed190
push 0x3d924530
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x14]
push eax
mov ecx, esi
call fcn.004016be
push 7
push 0xfed188
push 0x2236409a
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x18]
push eax
mov ecx, esi
call fcn.004016be
push 0x14
push 0xfed170
push 0x149ccd04
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x1c]
push eax
mov ecx, esi
call fcn.004016be
push 0x11
push 0xfed15c
push 0x673ebfe9
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x20]
push eax
mov ecx, esi
call fcn.004016be
push 0x11
push 0xfed148
push 0x68d29b96
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x24]
push eax
mov ecx, esi
call fcn.004016be
push 0x16
push 0xfed130
push 0x7db65c79
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x28]
push eax
mov ecx, esi
call fcn.004016be
push 0x13
push 0xfed11c
push 0x65fa79df
call fcn.00401d84
add esp, 0xc
push eax
lea eax, [esi + 0x2c]
push eax
mov ecx, esi
call fcn.004016be
pop edi
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
Function at 0x401937
Capabilities:
Encode data using xor

Disassembly:
push esi
mov eax, section..data
mov ecx, 0x226c
mov esi, 0x3a04f8
imul ecx, ecx, 0x19660d
add ecx, 0x3c6ef35f
mov edx, ecx
shr edx, 0xc
xor byte [eax], dl
inc eax
dec esi
jne 0x401947
pop esi
ret

Function at 0x401aa3
Capabilities:
Enumerate pe sections

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
and dword [ebp - 4], 0
push ebx
mov ebx, eax
push esi
mov esi, dword [ebx + 0x3c]
add esi, ebx
movzx eax, word [esi + 0x14]
push edi
lea edi, [eax + esi + 0x18]
xor eax, eax
cmp ax, word [esi + 6]
jae 0x401aea
push 7
push str..custom
push edi
call fcn.0040161c
add esp, 0xc
test eax, eax
je 0x401af1
movzx eax, word [esi + 6]
inc dword [ebp - 4]
add edi, 0x28
cmp dword [ebp - 4], eax
jl 0x401ac7
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
mov eax, dword [edi + 0xc]
mov esi, dword [eax + ebx]
lea edi, [eax + ebx + 8]
mov ebx, dword [eax + ebx + 4]
push esi
call fcn.00401e30
and dword [ebp - 8], 0
lea ecx, [ebp - 0x18]
push ecx
lea ecx, [ebp - 8]
push ecx
push 1
push 5
push edi
lea ecx, [ebp - 0xc]
push ecx
add edi, 5
push edi
lea ecx, [ebp - 0x10]
push ecx
push eax
mov dword [ebp - 4], eax
mov dword [ebp - 0x10], esi
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x18], 0x401960
mov dword [ebp - 0x14], 0x40196b
call fcn.0040379c
add esp, 0x28
test eax, eax
je 0x401b51
push dword [ebp - 4]
call fcn.00401e47
pop ecx
jmp 0x401aea
mov eax, dword [ebp + 8]
mov dword [eax], esi
mov eax, dword [ebp - 4]
jmp 0x401aec

Function at 0x401d84
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
push esi
xor esi, esi
test ebx, ebx
je 0x401dc3
push edi
mov edi, dword [esp + 0x14]
sub edi, 0x138e500
imul edx, edx, 0x19660d
add edx, 0x3c6ef35f
mov eax, edx
shr eax, 0xc
xor al, byte [edi + esi + 0x138e500]
inc esi
mov byte [esi + 0x138e4ff], al
cmp esi, ebx
jb 0x401d9f
pop edi
pop esi
mov byte [ebx + 0x138e500], 0
mov eax, 0x138e500
pop ebx
ret

Function at 0x401dd2
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
push esi
push edi
mov edi, dword [esp + 0x14]
xor esi, esi
test edi, edi
je 0x401e10
mov eax, dword [esp + 0x10]
sub eax, 0x138e500
push ebx
imul edx, edx, 0x19660d
add edx, 0x3c6ef35f
mov ebx, edx
shr ebx, 0xc
xor bl, byte [eax + esi + 0x138e500]
inc esi
mov byte [esi + 0x138e4ff], bl
cmp esi, edi
jb 0x401dec
pop ebx
mov byte [edi + 0x138e500], 0
mov byte [edi + 0x138e501], 0
pop edi
mov eax, 0x138e500
pop esi
ret
Function at 0x401eec
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
mov ecx, dword [ebp + 0x14]
mov edx, dword [ecx]
mov ecx, dword [ebp + 0xc]
xor eax, eax
and edx, 7
cmp ecx, 5
jae 0x401f05
leave
ret
add dword [ebp + 0x10], 5
or dword [ebp + 0xc], 0xffffffff
push ebx
push esi
mov esi, dword [ebp + 8]
lea ecx, [esi + ecx - 4]
push edi
mov dword [ebp - 4], ecx
lea edi, [eax + esi]
jmp 0x401f28
mov al, byte [edi]
and al, 0xfe
cmp al, 0xe8
je 0x401f2d
inc edi
cmp edi, dword [ebp - 4]
jb 0x401f1f
mov eax, edi
sub eax, esi
mov dword [ebp - 8], eax
cmp edi, dword [ebp - 4]
jae 0x402025
mov ecx, eax
sub ecx, dword [ebp + 0xc]
cmp ecx, 3
jbe 0x401f84
xor edx, edx
mov cl, byte [edi + 4]
mov dword [ebp + 0xc], eax
test cl, cl
je 0x401f58
cmp cl, 0xff
jne 0x401faf
movzx esi, cl
movzx ecx, byte [edi + 3]
shl esi, 8
or esi, ecx
movzx ecx, byte [edi + 2]
shl esi, 8
or esi, ecx
movzx ecx, byte [edi + 1]
shl esi, 8
or esi, ecx
cmp dword [ebp + 0x18], 0
je 0x401fbd
lea ebx, [esi + eax]
add ebx, dword [ebp + 0x10]
jmp 0x401fc4
dec ecx
shl edx, cl
and edx, 7
je 0x401f49
movzx ecx, byte [edx + 0xfed294]
mov ebx, edi
sub ebx, ecx
cmp byte [edx + 0xfed28c], 0
mov cl, byte [ebx + 4]
je 0x401fac
test cl, cl
je 0x401fac
cmp cl, 0xff
jne 0x401f49
mov dword [ebp + 0xc], eax
and edx, 3
add edx, edx
or edx, 1
inc eax
jmp 0x401f1a
sub esi, eax
sub esi, dword [ebp + 0x10]
mov ebx, esi
test edx, edx
je 0x401ff8
movzx esi, byte [edx + 0xfed294]
push 0x18
shl esi, 3
pop ecx
sub ecx, esi
mov eax, ebx
shr eax, cl
test al, al
je 0x401fe3
cmp al, 0xff
jne 0x401ff5
mov eax, dword [ebp - 8]
push 0x20
pop ecx
sub ecx, esi
xor esi, esi
inc esi
shl esi, cl
dec esi
xor esi, ebx
jmp 0x401f76
mov eax, dword [ebp - 8]
mov esi, dword [ebp + 8]
mov ecx, ebx
shr ecx, 0x18
and cl, 1
dec cl
not cl
mov byte [edi + 4], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [edi + 3], cl
mov ecx, ebx
shr ecx, 8
mov byte [edi + 2], cl
mov byte [edi + 1], bl
add eax, 5
jmp 0x401f1a
mov esi, eax
sub esi, dword [ebp + 0xc]
push 3
lea ecx, [esi - 1]
shl edx, cl
pop edi
and edx, 7
cmp edi, esi
sbb ecx, ecx
not ecx
pop edi
and ecx, edx
mov edx, dword [ebp + 0x14]
pop esi
mov dword [edx], ecx
pop ebx
leave
ret
Function at 0x9ee740
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
test edi, edi
je 0x9ee78c
mov cl, byte [ebx + esi]
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
test dl, 2
movzx ecx, cl
cmove ecx, eax
mov byte [ebx + esi], cl
inc esi
cmp esi, edi
jb 0x9ee752
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x9ee7f0
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 0x9ee842
push edi
push 0
push 0
push 0x8002
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x9ee848
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 0xa06d37
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00a069f7

Function at 0xa0bb31
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00a0b9b0

Function at 0xa110e0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0xa1110d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0xa1110d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x430005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
mov eax, section..text
nop
mov ebx, 0x408f6c
nop
mov ecx, 0x508a35f5
nop
nop
test eax, eax
nop
nop
nop
je 0x43004e
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x430024
nop
nop
nop
mov eax, section..data
nop
nop
mov ebx, 0x42e3d0
mov ecx, 0x6b6c569a
nop
nop
test eax, eax
nop
nop
nop
je 0x430084
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x43006c
nop
nop
nop
nop
nop
nop
popal
jmp 0x401219
Function at 0x432004
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
je 0x432072
nop
nop
nop
mov ebx, 0x40c7d0
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
push eax
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
nop
pop eax
nop
mov esi, 0x16f71478
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
loop 0x432060
nop
nop
nop
mov eax, section..rsrc
nop
nop
nop
cmp eax, 0
nop
je 0x4320d2
nop
nop
nop
nop
nop
mov ebx, 0x42f314
nop
nop
nop
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
mov esi, 0x51605c7a
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
add eax, edi
nop
loop 0x4320c0
nop
nop
nop
nop
nop
nop
popal
nop
nop
jmp 0x431219