joyce8/EMBER2024-capa huggingface dataset:
Function at 0xa8237c
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.00a1d4c0
mov eax, dword [0xaf9064]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x14]
push ebx
push dword [ebp + 8]
mov dword [ebp - 0x100c], eax
call fcn.00a88b31
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0xa823be
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0xa8251a
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.00a1db80
push dword [ebp - 0x100c]
mov ecx, ebx
mov dword [ebp - 0x1008], eax
mov esi, ebx
mov dword [ebp - 0x1018], edx
and ecx, 0x3f
sar esi, 6
imul edi, ecx, 0x38
push 0
mov eax, dword [esi*4 + 0xaff578]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.00a866a9
mov ecx, dword [esi*4 + 0xaff578]
add esp, 0x14
mov dword [ebp - 0x1010], eax
mov eax, edx
mov edx, dword [ebp - 0x1010]
mov dword [ebp - 0x101c], eax
cmp edx, dword [edi + ecx + 0x20]
jne 0xa82513
cmp eax, dword [edi + ecx + 0x24]
jne 0xa82513
push 0
lea eax, [ebp - 0x1014]
push eax
push 0x1000
lea eax, [ebp - 0x1004]
push eax
push dword [edi + ecx + 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0xa82513
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00a866a9
add esp, 0x14
test edx, edx
jl 0xa82513
jg 0xa82489
test eax, eax
jb 0xa82513
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0xa82513
jl 0xa824a3
cmp dword [ebp - 0x1008], eax
ja 0xa82513
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0xa824c1
test ebx, ebx
je 0xa824fa
cmp ecx, edi
jae 0xa824fa
mov al, byte [ecx]
cmp al, 0xd
jne 0xa824db
lea eax, [edi - 1]
cmp ecx, eax
jae 0xa824e7
cmp byte [ecx + 1], 0xa
jne 0xa824e7
inc ecx
jmp 0xa824e7
movzx eax, al
movsx eax, byte [eax + 0xaf9d88]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0xa824c1
cmp edx, ebx
jne 0xa824c1
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0xa82518
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.00a1cccc
leave
ret
Function at 0xa85bfc
Capabilities:
Get disk information

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x210
mov eax, dword [0xaf9064]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
push 0xae0c98
push esi
call fcn.00a8271d
pop ecx
pop ecx
test eax, eax
jne 0xa85c2a
xor al, al
jmp 0xa85ca7
push ebx
lea eax, [ebp - 0x210]
xor ebx, ebx
push eax
push 0x104
lea eax, [ebp - 0x20c]
mov dword [ebp - 0x210], ebx
push esi
push eax
call fcn.00a85933
mov edx, eax
add esp, 0x10
test edx, edx
jne 0xa85c64
push dword [ebp - 0x210]
call fcn.00a742f7
xor al, al
jmp 0xa85ca5
mov ecx, edx
push edi
lea edi, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
cmp ax, bx
jne 0xa85c6a
sub ecx, edi
sar ecx, 1
pop edi
cmp ecx, 3
je 0xa85c8a
push edx
call fcn.00a85b32
pop ecx
test al, al
je 0xa85c55
push esi
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
cmp eax, 1
jbe 0xa85c98
mov bl, 1
push dword [ebp - 0x210]
call fcn.00a742f7
mov al, bl
pop ecx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00a1cccc
leave
ret

Function at 0xa872cd
Capabilities:
Allocate thread local storage

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push str.FlsAlloc
push 0xae178c
push str.FlsAlloc
push 0x1e
call fcn.00a870fa
mov esi, eax
add esp, 0x10
test esi, esi
je 0xa87301
push dword [ebp + 8]
mov ecx, esi
call dword [0xab34d0]
call esi
jmp 0xa87307
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
pop esi
pop ebp
ret 4

Function at 0xa8734b
Capabilities:
Get thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push str.FlsGetValue
push 0xae17b0
push str.FlsGetValue
push 0x20
call fcn.00a870fa
mov esi, eax
add esp, 0x10
test esi, esi
je 0xa87382
push dword [ebp + 8]
mov ecx, esi
call dword [0xab34d0]
call esi
pop esi
pop ebp
ret 4
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsGetValue]
Function at 0xa89ffb
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
je 0xa8a098
push ebx
push esi
call fcn.00a89fc4
xor ebx, ebx
sub eax, esi
push ebx
push ebx
push ebx
push ebx
sar eax, 1
push eax
push esi
push ebx
push ebx
mov dword [ebp - 8], eax
call fcn.00a89f0d
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0xa8a045
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0xa8a097
push edi
push eax
call fcn.00a7c677
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0xa8a065
call fcn.00a7c616
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0xa8a096
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.00a89f0d
add esp, 0x20
test eax, eax
jne 0xa8a084
push edi
call fcn.00a7c616
jmp 0xa8a08c
push ebx
call fcn.00a7c616
mov ebx, edi
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, ebx
pop edi
pop ebx
pop esi
leave
ret

Function at 0xa8a09b
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0xa8a0ac
pop esi
ret
push ebx
push edi
push esi
call fcn.00a89fc4
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.00a7c677
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0xa8a0d4
push ebx
push esi
push edi
call fcn.00a6f9a0
add esp, 0xc
push 0
call fcn.00a7c616
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret

Function at 0xa8a498
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00a8a0e9
Function at 0xa90090
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
sar ecx, 6
push esi
push edi
imul edi, eax, 0x38
mov eax, dword [ecx*4 + 0xaff578]
mov dword [ebp - 0x10], ecx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x14], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0xa900d0
cmp byte [ebx], 0xa
jne 0xa900d0
or byte [eax + edi + 0x28], 4
jmp 0xa900d5
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0xa901d3
mov al, byte [edx]
cmp al, 0x1a
je 0xa901b5
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0xa90104
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0xa90129
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0xa90133
mov cl, byte [eax]
xor eax, eax
cmp cl, 0xa
sete al
inc eax
add edx, eax
cmp cl, 0xa
sete al
dec al
and al, 3
add al, 0xa
mov byte [esi], al
mov ecx, dword [ebp - 0xc]
inc esi
cmp edx, ecx
jb 0xa900e6
jmp 0xa901d3
push 0
lea eax, [ebp - 0xc]
push eax
push 1
lea eax, [ebp - 1]
push eax
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0xa901b0
cmp dword [ebp - 0xc], 0
je 0xa901b0
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0xaff578]
test byte [eax + edi + 0x28], 0x48
je 0xa9018a
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0xa90175
mov byte [esi], dl
jmp 0xa90186
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0xaff578]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0xa901d3
cmp byte [ebp - 1], 0xa
jne 0xa90199
cmp esi, ebx
jne 0xa90199
mov byte [esi], 0xa
jmp 0xa901d2
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.00a866c7
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0xa901d3
mov byte [esi], 0xd
jmp 0xa901d2
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0xaff578]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0xa901cf
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0xa901d3
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0xa901dc
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0xc]
mov ebx, eax
and eax, 0x3f
sar ebx, 6
push edi
imul edi, eax, 0x38
push 0xa
mov eax, dword [ebx*4 + 0xaff578]
pop edx
mov dword [ebp - 0x14], edx
mov ecx, dword [edi + eax + 0x18]
mov dword [ebp - 0x18], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0xa9021f
cmp word [esi], dx
jne 0xa9021f
or byte [edi + eax + 0x28], 4
jmp 0xa90224
and byte [edi + eax + 0x28], 0xfb
lea edx, [esi + ecx*2]
mov eax, esi
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
cmp eax, edx
jae 0xa9035d
mov dword [ebp - 0xc], 0xd
movzx ecx, word [eax]
mov edx, ecx
mov dword [ebp - 0x10], edx
push 0x1a
pop edx
cmp cx, dx
mov edx, dword [ebp - 8]
je 0xa9033d
add eax, 2
cmp cx, word [ebp - 0xc]
je 0xa90266
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0xa9029c
cmp eax, edx
jae 0xa902a8
movzx eax, word [eax]
xor ecx, ecx
cmp ax, word [ebp - 0x14]
mov edx, eax
push 0xa
sete cl
xor eax, eax
lea ecx, [ecx*2 + 2]
add dword [ebp - 4], ecx
pop ecx
cmp dx, cx
mov edx, dword [ebp - 8]
sete al
dec eax
and eax, 3
add eax, ecx
mov word [esi], ax
mov eax, dword [ebp - 4]
add esi, 2
cmp eax, edx
jb 0xa9023e
jmp 0xa9035d
push 0
lea eax, [ebp - 0x14]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0xa90339
cmp dword [ebp - 0x14], 0
je 0xa90339
mov eax, dword [ebx*4 + 0xaff578]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0xa90311
mov cx, word [ebp - 4]
pop eax
cmp cx, ax
je 0xa90357
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0xaff578]
push 0xa
mov byte [edi + eax + 0x2a], cl
mov eax, dword [ebx*4 + 0xaff578]
shr cx, 8
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0xaff578]
pop ecx
mov byte [edi + eax + 0x2c], cl
jmp 0xa9035a
pop ebx
cmp word [ebp - 4], bx
jne 0xa90322
cmp esi, dword [ebp + 0xc]
jne 0xa90322
mov word [esi], bx
jmp 0xa9035a
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.00a866c7
add esp, 0x10
cmp word [ebp - 4], bx
je 0xa9035d
push 0xd
jmp 0xa90356
mov ecx, dword [ebx*4 + 0xaff578]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0xa90354
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0xa9035d
push 0x1a
pop eax
mov word [esi], ax
add esi, 2
sub esi, dword [ebp + 0xc]
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0xa90b7e
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00a909ef
Function at 0xa91bfa
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00a91b76
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0xa91d72
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0xa91d72
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0xa91d21
jg 0xa91c53
test eax, eax
je 0xa91d17
push 1
push 0x1000
call fcn.00a7b8ef
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0xa91c79
mov eax, dword [ebp + 0x14]
push 0xc
pop edi
mov byte [eax + 0x1c], 1
mov dword [eax + 0x18], edi
jmp 0xa91d0e
push 0x8000
push ebx
call fcn.00a79fae
mov edi, dword [ebp + 0x14]
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0xa91ca5
jg 0xa91ca0
cmp ecx, 0x1000
jb 0xa91ca5
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.00a91476
add esp, 0x10
cmp eax, 0xffffffff
je 0xa91cea
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0xa91ca0
jl 0xa91cd1
test ecx, ecx
jne 0xa91c92
push dword [ebp - 0xc]
push ebx
call fcn.00a79fae
push esi
call fcn.00a7c616
add esp, 0xc
xor edi, edi
jmp 0xa91d83
cmp byte [edi + 0x24], 0
je 0xa91d01
cmp dword [edi + 0x20], 5
jne 0xa91d01
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0xa91d0c
mov edi, dword [edi + 0x18]
jmp 0xa91d0e
xor edi, edi
push esi
call fcn.00a7c616
pop ecx
jmp 0xa91d83
test ecx, ecx
jg 0xa91ce3
jl 0xa91d21
test eax, eax
jae 0xa91ce3
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00a866c7
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0xa91d44
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0xa91ce3
jmp 0xa91d7b
push ebx
call fcn.00a8af22
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0xa91ce3
mov esi, dword [ebp + 0x14]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [esi + 0x24], 1
mov dword [esi + 0x20], eax
pop edi
mov byte [esi + 0x1c], 1
mov dword [esi + 0x18], edi
jmp 0xa91d83
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0xa91d80
mov edi, dword [edi + 0x18]
jmp 0xa91d83
push 0x16
pop edi
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.00a866c7
add esp, 0x10
mov eax, edi
pop edi
pop esi
pop ebx
leave
ret

Function at 0xa97b2d
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret
Function at 0x405dcd
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x422a94], 0
push esi
jne 0x405e04
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x405dde
mov dword [ecx*4 + 0x422a90], eax
inc ecx
cmp ecx, 0x100
jl 0x405dd9
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405e35
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422a90]
xor eax, esi
inc ecx
dec edx
jne 0x405e17
pop edi
not eax
pop esi
ret 0xc

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx

Function at 0x433005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
mov eax, section..text
nop
mov ebx, 0x40de38
nop
nop
mov ecx, 0x467a1270
nop
nop
test eax, eax
nop
nop
je 0x43304e
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x433024
nop
nop
nop
mov eax, section..rsrc
nop
mov ebx, 0x4304d8
nop
mov ecx, 0x48bb388b
nop
nop
nop
test eax, eax
nop
nop
nop
je 0x433084
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43306c
nop
nop
popal
nop
nop
nop
jmp 0x431219

Function at 0x43c05d
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x4bf4f4
push eax
push dword fs:[0]
mov dword fs:[0], esp
xor eax, eax
mov dword [eax], ecx
push eax
inc ebp
inc ebx
outsd dx, dword [esi]
insd dword es:[edi], dx
jo 0x43c0dd
arpl word [edx + esi], si
add ch, byte [edi + 0x31]
sub dword [eax + 0x70388653], edi
sub al, byte [ecx - 0x655bcad7]
xor al, 0x18
push edi
sbb ecx, dword [0xb2b35f85]
xor eax, 0x34369aa4
sbb byte [edi + 0x1b], dl
or eax, 0xb2b35f85
mov bl, 0xb2
push es
push esp
aam 0xf9
aam 0xa1
inc edi
inc esi
or al, byte fs:[esi]
xor al, 0x14
mul bh
je 0x43c097
int 0x6d
pushfd
retf
mov edi, 0x3f59c67f
pop eax
pop esp
xor eax, 0xd5a48a8d
push ecx
or ch, bh
mov edi, 0x761167b3
dec edx
xchg ebx, eax
out 0x6a, eax
std
std
test dword [edi], ebx
add byte [ebp + 0x38], ch
not dword [ecx]
insb byte es:[edi], dx
aas
out dx, al
loopne 0x43c08c
fld dword [ebx]
fist word [ebx]
test eax, 0x7e660e7b
iretd
jle 0x43c0af
and eax, 0xfc4bcd48
aaa
invalid
Function at 0x40bbc0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4992eb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.0048e0d9
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40bc42
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0048ba6a
mov eax, dword [eax]
push 0xb711f0
push eax
call fcn.0047da74
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0048e364
test bl, bl
je 0x40bc42
push 0xb711f0
lea ecx, [esp + 0xc]
call fcn.0048e6f4
push 0xb74d5c
lea ecx, [esp + 0xc]
call fcn.0048e6f4
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x40bc7e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0048e364
jmp 0x40bd49
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x40bd02
lea edx, [esp + 0x7c]
push 0xb74d58
push edx
call fcn.0047da74
add esp, 8
test eax, eax
je 0x40bd02
lea eax, [esp + 0x7c]
push 0xb74d54
push eax
call fcn.0047da74
add esp, 8
test eax, eax
je 0x40bd02
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x40bc92
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.0048e364
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x40c540
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x40c5a2
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x40c5b0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x49936b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0xb83df0]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x40c6e8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40c616
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0048e364
xor eax, eax
jmp 0x40c75f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0048e4a1
push esi
lea ecx, [esp + 0xc]
call fcn.0048e730
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40c73d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040c540
test eax, eax
jne 0x40c73d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push closesocket
mov ecx, edi
call fcn.0040c540
test eax, eax
jne 0x40c73d
lea eax, [esp + 0x14]
push 0xb74d70
push eax
call fcn.0047eaf0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c71c
lea ecx, [esp + 0x14]
push 0xb74d6c
push ecx
call fcn.0047ea70
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c71c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40c71f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0048e451
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40c62e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0048e364
xor eax, eax
jmp 0x40c75f
mov byte [esi], 0
push 0xb74d68
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.0048e364
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x41ccc0
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x41cd2e
cmp si, 0x69
ja 0x41cd2e
add esi, 0xffd0
cmp si, 0x11
je 0x41ccfe
push 0x11
call edi
test ax, ax
jge 0x41ccfe
or esi, 0x2000
cmp si, 0x10
je 0x41cd13
push 0x10
call edi
test ax, ax
jge 0x41cd13
or esi, 0x4000
cmp si, 0x12
je 0x41cd28
push 0x12
call edi
test ax, ax
jge 0x41cd28
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41cd3b
mov esi, 0xbd
jmp 0x41ccef
cmp si, 0x6e
jne 0x41cd48
mov esi, 0xbe
jmp 0x41ccef
cmp si, 0x6f
jne 0x41cce9
mov esi, 0xbf
jmp 0x41ccef

Function at 0x41e490
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xb94580]
xor edx, edx
cmp eax, edx
jne 0x41e4b6
xor eax, eax
mov byte [eax + 0xb94480], al
inc eax
cmp eax, 0x100
jl 0x41e49e
mov dword [0xb94580], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xb94480
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41e547
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 0x41e51a
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 0x41e4e8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41e5c0
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 0x41e613
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 0x41e5fa
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