joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4457b9
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x4457f8
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4457f8
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4457f8
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x4457f8
cmp dword [ecx + 0x74], 0xe
jbe 0x4457f8
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x454275
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.004544cc
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x4543ed
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x4543ed
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x45439c
jg 0x4542ce
test eax, eax
je 0x454392
push 1
push 0x1000
call fcn.0045d24d
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x4542f4
mov eax, dword [ebp + 0x14]
push 0xc
pop edi
mov byte [eax + 0x1c], 1
mov dword [eax + 0x18], edi
jmp 0x454389
push 0x8000
push ebx
call fcn.00456678
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 0x454320
jg 0x45431b
cmp ecx, 0x1000
jb 0x454320
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.0045e4f1
add esp, 0x10
cmp eax, 0xffffffff
je 0x454365
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 0x45431b
jl 0x45434c
test ecx, ecx
jne 0x45430d
push dword [ebp - 0xc]
push ebx
call fcn.00456678
push esi
call fcn.0045b7d4
add esp, 0xc
xor edi, edi
jmp 0x4543fe
cmp byte [edi + 0x24], 0
je 0x45437c
cmp dword [edi + 0x20], 5
jne 0x45437c
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x454387
mov edi, dword [edi + 0x18]
jmp 0x454389
xor edi, edi
push esi
call fcn.0045b7d4
pop ecx
jmp 0x4543fe
test ecx, ecx
jg 0x45435e
jl 0x45439c
test eax, eax
jae 0x45435e
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0045efe7
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4543bf
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0x45435e
jmp 0x4543f6
push ebx
call fcn.0045e086
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x45435e
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 0x4543fe
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0x4543fb
mov edi, dword [edi + 0x18]
jmp 0x4543fe
push 0x16
pop edi
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.0045efe7
add esp, 0x10
mov eax, edi
pop edi
pop esi
pop ebx
leave
ret
Function at 0x4552ba
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.004451a0
mov eax, dword [0x47b7b0]
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.00454e82
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x4552fc
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x455458
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.004608f0
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 + 0x47cc10]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.0045f050
mov ecx, dword [esi*4 + 0x47cc10]
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 0x455451
cmp eax, dword [edi + ecx + 0x24]
jne 0x455451
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 0x455451
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0045f050
add esp, 0x14
test edx, edx
jl 0x455451
jg 0x4553c7
test eax, eax
jb 0x455451
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x455451
jl 0x4553e1
cmp dword [ebp - 0x1008], eax
ja 0x455451
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x4553ff
test ebx, ebx
je 0x455438
cmp ecx, edi
jae 0x455438
mov al, byte [ecx]
cmp al, 0xd
jne 0x455419
lea eax, [edi - 1]
cmp ecx, eax
jae 0x455425
cmp byte [ecx + 1], 0xa
jne 0x455425
inc ecx
jmp 0x455425
movzx eax, al
movsx eax, byte [eax + 0x47bf30]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x4553ff
cmp edx, ebx
jne 0x4553ff
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x455456
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.00445c08
leave
ret
Function at 0x45707a
Capabilities:
Get disk information

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x210
mov eax, dword [0x47b7b0]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
push 0x4703f4
push esi
call fcn.0045f811
pop ecx
pop ecx
test eax, eax
jne 0x4570a8
xor al, al
jmp 0x457125
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.00456e0b
mov edx, eax
add esp, 0x10
test edx, edx
jne 0x4570e2
push dword [ebp - 0x210]
call fcn.0045809c
xor al, al
jmp 0x457123
mov ecx, edx
push edi
lea edi, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
cmp ax, bx
jne 0x4570e8
sub ecx, edi
sar ecx, 1
pop edi
cmp ecx, 3
je 0x457108
push edx
call fcn.00456fcb
pop ecx
test al, al
je 0x4570d3
push esi
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
cmp eax, 1
jbe 0x457116
mov bl, 1
push dword [ebp - 0x210]
call fcn.0045809c
mov al, bl
pop ecx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00445c08
leave
ret

Function at 0x459f30
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x459f5d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x459f5d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x45a2ad
Capabilities:
Allocate thread local storage

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push str.FlsAlloc
push 0x4713c4
push str.FlsAlloc
push 0x1e
call fcn.0045a590
mov esi, eax
add esp, 0x10
test esi, esi
je 0x45a2e1
push dword [ebp + 8]
mov ecx, esi
call dword [0x47695c]
call esi
jmp 0x45a2e7
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
pop esi
pop ebp
ret 4

Function at 0x45a32b
Capabilities:
Get thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push str.FlsGetValue
push 0x4713e8
push str.FlsGetValue
push 0x20
call fcn.0045a590
mov esi, eax
add esp, 0x10
test esi, esi
je 0x45a362
push dword [ebp + 8]
mov ecx, esi
call dword [0x47695c]
call esi
pop esi
pop ebp
ret 4
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsGetValue]
Function at 0x4600c5
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x47b7b0]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x25c], ecx
cmp edx, edi
je 0x460110
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.0046023b
test al, al
jne 0x46010a
sub edx, 2
cmp edx, edi
jne 0x4600f0
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x460132
lea eax, [edi + 2]
cmp edx, eax
je 0x460132
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.00460011
add esp, 0x10
jmp 0x46022c
push esi
lea ecx, [ebp - 0x255]
call fcn.0046023b
sub edx, edi
movzx eax, al
sar edx, 1
inc edx
neg eax
sbb eax, eax
xor ebx, ebx
push ebx
push ebx
and eax, edx
push ebx
mov dword [ebp - 0x260], eax
lea eax, [ebp - 0x254]
push eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_FindFirstFileExW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x460175
push dword [ebp - 0x25c]
jmp 0x460122
mov ebx, dword [ebp - 0x25c]
push 0x2e
mov eax, dword [ebx + 4]
sub eax, dword [ebx]
sar eax, 2
mov dword [ebp - 0x25c], eax
pop eax
cmp word [ebp - 0x228], ax
jne 0x4601b2
cmp word [ebp - 0x226], 0
je 0x4601d3
cmp word [ebp - 0x226], ax
jne 0x4601b2
cmp word [ebp - 0x224], 0
je 0x4601d3
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.00460011
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x46021f
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x46018c
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x460207
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x46022c
push 0x46025f
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.004689c0
add esp, 0x10
jmp 0x4601fc
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x264]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00445c08
leave
ret
Function at 0x46101f
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 + 0x47cc10]
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 0x46105f
cmp byte [ebx], 0xa
jne 0x46105f
or byte [eax + edi + 0x28], 4
jmp 0x461064
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x461162
mov al, byte [edx]
cmp al, 0x1a
je 0x461144
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x461093
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x4610b8
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x4610c2
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 0x461075
jmp 0x461162
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 0x46113f
cmp dword [ebp - 0xc], 0
je 0x46113f
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x47cc10]
test byte [eax + edi + 0x28], 0x48
je 0x461119
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x461104
mov byte [esi], dl
jmp 0x461115
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x47cc10]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x461162
cmp byte [ebp - 1], 0xa
jne 0x461128
cmp esi, ebx
jne 0x461128
mov byte [esi], 0xa
jmp 0x461161
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0045efe7
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x461162
mov byte [esi], 0xd
jmp 0x461161
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x47cc10]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x46115e
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x461162
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x46116b
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 + 0x47cc10]
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 0x4611ae
cmp word [esi], dx
jne 0x4611ae
or byte [edi + eax + 0x28], 4
jmp 0x4611b3
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 0x461306
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 0x4612e6
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x4611f5
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x46122b
cmp eax, edx
jae 0x461237
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 0x4611cd
jmp 0x461306
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 0x4612e2
cmp dword [ebp - 0x14], 0
je 0x4612e2
mov eax, dword [ebx*4 + 0x47cc10]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x4612ba
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x461283
mov word [esi], cx
jmp 0x4612b6
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x47cc10]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x47cc10]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x47cc10]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x461306
pop ebx
cmp word [ebp - 4], bx
jne 0x4612cb
cmp esi, dword [ebp + 0xc]
jne 0x4612cb
mov word [esi], bx
jmp 0x461303
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0045efe7
add esp, 0x10
cmp word [ebp - 4], bx
je 0x461306
push 0xd
jmp 0x4612ff
mov ecx, dword [ebx*4 + 0x47cc10]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x4612fd
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x461306
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 0x4613ca
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0x4613db
pop esi
ret
push ebx
push edi
push esi
call fcn.00461418
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.0045c11f
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x461403
push ebx
push esi
push edi
call fcn.00447850
add esp, 0xc
push 0
call fcn.0045b7d4
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret
Function at 0x46144f
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0046145a

Function at 0x464ab3
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00464abe
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
nop
push 4
nop
pop edi
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x430072
nop
nop
mov ebx, 0x408f6c
nop
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
push eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
nop
mov esi, 0x1e0754e1
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
loop 0x430060
nop
mov eax, section..data
nop
nop
nop
cmp eax, 0
nop
nop
je 0x4300d2
nop
nop
nop
mov ebx, 0x42e3d0
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x3f90ea8
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
nop
nop
popal
nop
jmp 0x401219
Function at 0x409140
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46586b
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.0045a38b
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4091c2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004582a2
mov eax, dword [eax]
push 0x5601d0
push eax
call fcn.0044b174
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045a616
test bl, bl
je 0x4091c2
push 0x5601d0
lea ecx, [esp + 0xc]
call fcn.0045a9a6
push 0x563d44
lea ecx, [esp + 0xc]
call fcn.0045a9a6
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 0x4091fe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045a616
jmp 0x4092c9
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 0x409282
lea edx, [esp + 0x7c]
push 0x563d40
push edx
call fcn.0044b174
add esp, 8
test eax, eax
je 0x409282
lea eax, [esp + 0x7c]
push 0x563d3c
push eax
call fcn.0044b174
add esp, 8
test eax, eax
je 0x409282
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 0x409212
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.0045a616
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 0x409ac0
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 0x409b22
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 0x409b30
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4658eb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x56bf18]
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 0x409c68
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x409b96
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045a616
xor eax, eax
jmp 0x409cdf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045a753
push esi
lea ecx, [esp + 0xc]
call fcn.0045a9e2
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 0x409cbd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.00409ac0
test eax, eax
jne 0x409cbd
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 accept
mov ecx, edi
call fcn.00409ac0
test eax, eax
jne 0x409cbd
lea eax, [esp + 0x14]
push 0x563d58
push eax
call fcn.0044c1b0
mov esi, eax
add esp, 8
test esi, esi
jne 0x409c9c
lea ecx, [esp + 0x14]
push 0x563d54
push ecx
call fcn.0044c130
mov esi, eax
add esp, 8
test esi, esi
jne 0x409c9c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x409c9f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045a703
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x409bae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045a616
xor eax, eax
jmp 0x409cdf
mov byte [esi], 0
push 0x563d50
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.0045a616
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 0x41a100
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 0x41a16e
cmp si, 0x69
ja 0x41a16e
add esi, 0xffd0
cmp si, 0x11
je 0x41a13e
push 0x11
call edi
test ax, ax
jge 0x41a13e
or esi, 0x2000
cmp si, 0x10
je 0x41a153
push 0x10
call edi
test ax, ax
jge 0x41a153
or esi, 0x4000
cmp si, 0x12
je 0x41a168
push 0x12
call edi
test ax, ax
jge 0x41a168
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41a17b
mov esi, 0xbd
jmp 0x41a12f
cmp si, 0x6e
jne 0x41a188
mov esi, 0xbe
jmp 0x41a12f
cmp si, 0x6f
jne 0x41a129
mov esi, 0xbf
jmp 0x41a12f

Function at 0x41b7e0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x57c570]
xor edx, edx
cmp eax, edx
jne 0x41b806
xor eax, eax
mov byte [eax + 0x57c470], al
inc eax
cmp eax, 0x100
jl 0x41b7ee
mov dword [0x57c570], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x57c470
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41b897
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 0x41b86a
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 0x41b838
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41b910
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 0x41b963
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 0x41b94a
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