joyce8/EMBER2024-capa huggingface dataset:
Function at 0x60c1a0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x18]
mov eax, dword [ebx]
xor dword [esi], eax
mov eax, dword [ebx + 4]
xor dword [esi + 4], eax
mov eax, dword [ebx + 8]
xor dword [esi + 8], eax
mov eax, dword [ebx + 0xc]
xor dword [esi + 0xc], eax
mov eax, dword [ebx + 0x10]
xor dword [esi + 0x10], eax
mov eax, dword [ebx + 0x14]
xor dword [esi + 0x14], eax
mov eax, dword [ebx + 0x18]
xor dword [esi + 0x18], eax
mov eax, dword [ebx + 0x1c]
xor dword [esi + 0x1c], eax
cmp ebp, 1
jbe 0x60c238
push edi
lea edi, [ebx + 0x28]
dec ebp
push esi
call fcn.0060ced0
push esi
call fcn.0060cd40
push esi
call fcn.0060c570
mov eax, dword [edi - 8]
lea edi, [edi + 0x20]
xor dword [esi], eax
add esp, 0xc
mov eax, dword [edi - 0x24]
xor dword [esi + 4], eax
mov eax, dword [edi - 0x20]
xor dword [esi + 8], eax
mov eax, dword [edi - 0x1c]
xor dword [esi + 0xc], eax
mov eax, dword [edi - 0x18]
xor dword [esi + 0x10], eax
mov eax, dword [edi - 0x14]
xor dword [esi + 0x14], eax
mov eax, dword [edi - 0x10]
xor dword [esi + 0x18], eax
mov eax, dword [edi - 0xc]
xor dword [esi + 0x1c], eax
sub ebp, 1
jne 0x60c1e7
mov ebp, dword [esp + 0x18]
pop edi
push esi
call fcn.0060ced0
push esi
call fcn.0060cd40
shl ebp, 5
add esp, 8
mov eax, dword [ebx + ebp]
xor dword [esi], eax
mov eax, dword [ebx + ebp + 4]
xor dword [esi + 4], eax
mov eax, dword [ebx + ebp + 8]
xor dword [esi + 8], eax
mov eax, dword [ebx + ebp + 0xc]
xor dword [esi + 0xc], eax
mov eax, dword [ebx + ebp + 0x10]
xor dword [esi + 0x10], eax
mov eax, dword [ebx + ebp + 0x14]
xor dword [esi + 0x14], eax
mov eax, dword [ebx + ebp + 0x18]
xor dword [esi + 0x18], eax
mov eax, dword [ebx + ebp + 0x1c]
xor dword [esi + 0x1c], eax
pop esi
pop ebp
pop ebx
ret
Function at 0x60c370
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x2c
mov eax, dword [0x7f325c]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x30]
push edi
movups xmm0, xmmword [eax]
movups xmmword [esp + 0xc], xmm0
movups xmm0, xmmword [eax + 0x10]
lea eax, [esp + 0xc]
push eax
movups xmmword [esp + 0x20], xmm0
call fcn.0060d430
xor edi, edi
add esp, 4
mov dword [esp + 4], edi
cmp dword [esp + 0x38], edi
jbe 0x60c560
push ebx
lea eax, [ecx + 8]
push ebp
mov dword [esp + 0x10], eax
push esi
nop
mov ecx, dword [esp + edi*4 + 0x30]
mov eax, dword [esp + edi*4 + 0x28]
movzx eax, al
mov ebx, dword [esp + edi*4 + 0x18]
movzx edx, cl
shl edx, 8
or edx, eax
mov esi, dword [esp + edi*4 + 0x28]
mov eax, dword [esp + edi*4 + 0x20]
movzx eax, al
shl edx, 8
or edx, eax
movzx eax, bl
shl edx, 8
or edx, eax
mov ecx, edx
shr ecx, 0xc
xor ecx, edx
and ecx, 0xf0f0
mov eax, ecx
shl eax, 0xc
xor eax, ecx
xor edx, eax
mov eax, edx
shr eax, 6
xor eax, edx
and eax, 0xcc00cc
mov ebp, eax
shl ebp, 6
xor ebp, eax
mov eax, dword [esp + edi*4 + 0x30]
shr eax, 8
xor ebp, edx
movzx edx, al
mov eax, esi
shr eax, 8
movzx eax, al
shl edx, 8
or edx, eax
mov eax, dword [esp + edi*4 + 0x20]
shr eax, 8
movzx eax, al
shl edx, 8
or edx, eax
mov eax, ebx
shr eax, 8
movzx eax, al
shl edx, 8
or edx, eax
mov ecx, edx
shr ecx, 0xc
xor ecx, edx
and ecx, 0xf0f0
mov eax, ecx
shl eax, 0xc
xor eax, ecx
mov ecx, dword [esp + 0x10]
xor edx, eax
mov eax, edx
shr eax, 6
xor eax, edx
and eax, 0xcc00cc
mov edi, eax
shl edi, 6
xor edi, eax
mov eax, dword [esp + ecx*4 + 0x30]
shr eax, 0x10
xor edi, edx
movzx edx, al
mov eax, esi
shr eax, 0x10
movzx eax, al
shl edx, 8
or edx, eax
mov eax, dword [esp + ecx*4 + 0x20]
shr eax, 0x10
shl edx, 8
movzx eax, al
or edx, eax
mov eax, ebx
shl edx, 8
shr eax, 0x10
movzx eax, al
or edx, eax
shr ebx, 8
mov ecx, edx
shr ecx, 0xc
xor ecx, edx
and ecx, 0xf0f0
mov eax, ecx
shl eax, 0xc
xor eax, ecx
mov ecx, dword [esp + 0x10]
xor edx, eax
mov eax, edx
shr eax, 6
xor eax, edx
and eax, 0xcc00cc
mov esi, eax
shl esi, 6
xor esi, eax
mov eax, dword [esp + ecx*4 + 0x28]
xor esi, edx
and eax, 0xff0000ff
mov edx, dword [esp + ecx*4 + 0x20]
and edx, 0xff00ffff
or edx, ebx
shr edx, 8
or edx, eax
mov eax, dword [esp + ecx*4 + 0x30]
and eax, 0xff000000
shr edx, 8
or edx, eax
mov ecx, edx
shr ecx, 0xc
xor ecx, edx
and ecx, 0xf0f0
mov eax, ecx
shl eax, 0xc
xor eax, ecx
xor edx, eax
mov eax, edx
shr eax, 6
xor eax, edx
and eax, 0xcc00cc
mov ecx, eax
shl ecx, 6
xor ecx, eax
mov eax, dword [esp + 0x14]
xor ecx, edx
mov dword [eax - 8], ebp
mov dword [eax - 4], edi
mov edi, dword [esp + 0x10]
mov dword [eax], esi
inc edi
mov dword [eax + 4], ecx
add eax, 0x10
mov dword [esp + 0x10], edi
mov dword [esp + 0x14], eax
cmp edi, dword [esp + 0x44]
jb 0x60c3c0
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x2c]
pop edi
xor ecx, esp
call fcn.00615a5d
add esp, 0x2c
ret
Function at 0x60c800
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x44
mov eax, dword [0x7f325c]
xor eax, esp
mov dword [esp + 0x40], eax
mov eax, dword [esp + 0x4c]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x54]
push edi
push eax
lea eax, [esp + 0x34]
push eax
mov dword [esi + 0xf0], 0xa
call fcn.0060c000
movups xmm0, xmmword [esp + 0x38]
add esp, 8
lea ebp, [esi + 0x10]
mov ebx, 1
movups xmmword [esi], xmm0
mov edx, dword [esp + 0x30]
xorps xmm0, xmm0
mov esi, dword [esp + 0x34]
shr edx, 1
and edx, 0x55555555
shr esi, 1
movups xmmword [esp + 0x10], xmm0
xor dword [esp + 0x14], edx
movups xmmword [esp + 0x20], xmm0
lea eax, [edx + edx]
mov edx, dword [esp + 0x1c]
xor esi, edx
psrldq xmm0, 4
xor eax, dword [esp + 0x30]
and esi, 0x55555555
xor edx, esi
mov dword [esp + 0x10], eax
movd ecx, xmm0
mov dword [esp + 0x1c], edx
mov edx, dword [esp + 0x2c]
lea eax, [esi + esi]
mov esi, dword [esp + 0x38]
xor eax, dword [esp + 0x34]
shr esi, 1
xor esi, ecx
mov dword [esp + 0x18], eax
and esi, 0x55555555
xor ecx, esi
mov dword [esp + 0x24], ecx
lea eax, [esi + esi]
mov esi, dword [esp + 0x3c]
xor eax, dword [esp + 0x38]
shr esi, 1
xor esi, edx
mov dword [esp + 0x20], eax
and esi, 0x55555555
xor edx, esi
mov dword [esp + 0x2c], edx
lea eax, [esi + esi]
xor eax, dword [esp + 0x3c]
mov dword [esp + 0x28], eax
lea eax, [esp + 0x10]
push eax
call fcn.0060ced0
mov eax, dword [esp + 0x18]
add esp, 4
mov edi, dword [esp + 0x10]
add eax, eax
mov esi, dword [esp + 0x18]
xor eax, edi
mov edx, dword [esp + 0x20]
and eax, 0xaaaaaaaa
xor edi, eax
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x1c]
add eax, eax
mov dword [esp + 0x40], edi
xor eax, esi
movzx edi, byte [ebx + 0x7b473f]
and eax, 0xaaaaaaaa
xor esi, eax
mov eax, dword [esp + 0x24]
add eax, eax
mov dword [esp + 0x44], esi
xor eax, edx
and eax, 0xaaaaaaaa
xor edx, eax
mov eax, dword [esp + 0x2c]
add eax, eax
mov dword [esp + 0x48], edx
xor eax, ecx
and eax, 0xaaaaaaaa
xor ecx, eax
xor eax, eax
mov dword [esp + 0x4c], ecx
nop word [eax + eax]
mov edx, dword [esp + eax*4 + 0x40]
mov cl, al
add cl, cl
mov esi, edi
shr esi, cl
mov ecx, edx
and ecx, 0x3000000
shr edx, 8
or ecx, edx
and esi, 3
shr ecx, 0x12
xor esi, ecx
xor esi, dword [esp + eax*4 + 0x30]
mov ecx, esi
shl ecx, 8
xor ecx, esi
shl ecx, 8
xor ecx, esi
shl ecx, 8
xor ecx, esi
mov dword [esp + eax*4 + 0x30], ecx
inc eax
cmp eax, 4
jb 0x60c950
movups xmm0, xmmword [esp + 0x30]
inc ebx
movups xmmword [ebp], xmm0
add ebp, 0x10
cmp ebx, 0xa
jbe 0x60c842
mov ecx, dword [esp + 0x50]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00615a5d
add esp, 0x44
ret
Function at 0x623226
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00622ec8
Function at 0x6334f0
Capabilities:
Allocate thread local storage

Disassembly:
push ebx
push edi
push esi
sub esp, 0x20
cmp dword [ecx + 4], 0
mov esi, ecx
je 0x633571
lea ebx, [esi + 0xc]
mov dword [esp + 4], 0
lea eax, [esp + 4]
push 0
push eax
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_InitOnceBeginInitialize]
cmp eax, 1
mov dword [esp], eax
jne 0x6335ac
cmp dword [esp + 4], 0
je 0x633593
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
cmp eax, 0xffffffff
je 0x6335ca
mov edi, eax
inc eax
mov dword [esi], eax
mov eax, dword [0x7f506c]
nop word cs:[eax + eax]
nop
mov dword [esi + 8], eax
lock cmpxchg dword [0x7f506c], esi
jne 0x633550
mov byte [0x7f5068], 1
push 0
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_InitOnceComplete]
jmp 0x6335a3
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
cmp eax, 0xffffffff
mov dword [esp], eax
je 0x63360b
mov ecx, eax
xor eax, eax
inc ecx
lock cmpxchg dword [esi], ecx
jne 0x633597
mov edi, dword [esp]
jmp 0x6335a3
mov edi, dword [esi]
jmp 0x6335a2
mov edi, eax
push dword [esp]
call dword [sym.imp.KERNEL32.dll_TlsFree]
dec edi
mov eax, edi
add esp, 0x20
pop esi
pop edi
pop ebx
ret
mov dword [esp + 8], 0
lea eax, [esp + 8]
mov ecx, esp
mov edx, 0x7863a4
push 0x786890
push eax
call fcn.00633640
push 0
push 4
push ebx
call dword [sym.imp.KERNEL32.dll_InitOnceComplete]
lea ecx, [esp + 8]
mov edx, 0x786880
mov dword [esp + 8], 0x786844
mov dword [esp + 0xc], 1
mov dword [esp + 0x18], 0
mov dword [esp + 0x10], 0x7b0e68
mov dword [esp + 0x14], 0
call fcn.0062d360
mov ecx, esp
lea edx, [esp + 8]
mov dword [esp + 8], 0x786844
mov dword [esp + 0xc], 1
mov dword [esp + 0x10], 0x7b0e68
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
call fcn.00633670
int3

Function at 0x633ad0
Capabilities:
Resolve dns

Disassembly:
push ebx
push edi
push esi
sub esp, 0x34
mov esi, ecx
lea ecx, [esp + 4]
push dword [esp + 0x44]
call fcn.004536d0
add esp, 4
mov eax, dword [esp + 4]
cmp eax, 0x80000000
jne 0x633b43
mov edi, dword [esp + 8]
mov ebx, dword [esp + 0xc]
xorps xmm0, xmm0
mov eax, esp
mov dword [esp], 0
lea ecx, [esp + 0x14]
movups xmmword [esp + 0x14], xmm0
movups xmmword [esp + 0x24], xmm0
mov dword [esp + 0x1c], 1
push eax
push ecx
push 0
push edi
call dword [sym.imp.ws2_32.dll_getaddrinfo]
test eax, eax
je 0x633b65
call dword [sym.imp.ws2_32.dll_WSAGetLastError]
mov dword [esi + 8], eax
mov dword [esi + 4], 0
mov eax, 1
jmp 0x633b79
mov ecx, dword [0x785728]
mov edx, dword [0x78572c]
test eax, eax
mov dword [esi + 8], edx
mov dword [esi + 4], ecx
mov dword [esi], 1
je 0x633b8e
mov ecx, dword [esp + 8]
jmp 0x633b84
mov ecx, dword [esp]
movzx eax, word [esp + 0x48]
mov dword [esi + 4], ecx
mov dword [esi + 8], ecx
mov word [esi + 0xc], ax
xor eax, eax
test ebx, ebx
mov dword [esi], eax
mov byte [edi], 0
je 0x633b8e
mov ecx, edi
mov edx, 1
call fcn.004533f0
add esp, 0x34
pop esi
pop edi
pop ebx
ret
Function at 0x566f00
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xe0000]
push edi
or ebp, 0xffffffff
jmp 0x566f22
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x566f29
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x566f18
mov eax, 1
add ebx, ebx
jne 0x566f3b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x566f30
jne 0x566f4c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x566f30
xor ecx, ecx
sub eax, 3
jb 0x566f60
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x566fd2
mov ebp, eax
add ebx, ebx
jne 0x566f6b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x566f78
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x566f9c
inc ecx
add ebx, ebx
jne 0x566f88
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x566f7d
jne 0x566f99
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x566f7d
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x566fbc
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x566fad
jmp 0x566f1e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x566fbc
add edi, ecx
jmp 0x566f1e
pop esi
mov edi, esi
mov ecx, 0x5660
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x566fda
cmp byte [edi], 0x1e
jne 0x566fda
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov eax, ebx
loop 0x566fdf
lea edi, [esi + 0x163000]
mov eax, dword [edi]
or eax, eax
je 0x567057
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x18573c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x18587c]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x56700c
mov ecx, edi
jns 0x56703b
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x185880]
or eax, eax
je 0x567051
mov dword [ebx], eax
add ebx, 4
jmp 0x567029
call dword [esi + 0x185884]
popal
jmp 0x4a80f6
Function at 0x405d4b
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x42ce34], 0
push esi
jne 0x405d82
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 0x405d5c
mov dword [ecx*4 + 0x42ce30], eax
inc ecx
cmp ecx, 0x100
jl 0x405d57
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405db3
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 + 0x42ce30]
xor eax, esi
inc ecx
dec edx
jne 0x405d95
pop edi
not eax
pop esi
ret 0xc

Function at 0x407e15
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x42e180]
jne 0x407e1f
repz ret
jmp fcn.0040bc0c
Function at 0x40c020
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x48576b
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.0047a203
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40c0a2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004780dd
mov eax, dword [eax]
push 0x4a6cb8
push eax
call fcn.0046a614
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0047a48e
test bl, bl
je 0x40c0a2
push 0x4a6cb8
lea ecx, [esp + 0xc]
call fcn.0047a81e
push 0x4a6cc4
lea ecx, [esp + 0xc]
call fcn.0047a81e
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 0x40c0de
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0047a48e
jmp 0x40c1a9
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 0x40c162
lea edx, [esp + 0x7c]
push 0x4a6cc0
push edx
call fcn.0046a614
add esp, 8
test eax, eax
je 0x40c162
lea eax, [esp + 0x7c]
push 0x4a6cbc
push eax
call fcn.0046a614
add esp, 8
test eax, eax
je 0x40c162
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 0x40c0f2
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.0047a48e
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 0x40c9b0
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 0x40ca12
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 0x40ca20
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4857eb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4b0670]
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 0x40cb58
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40ca86
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047a48e
xor eax, eax
jmp 0x40cbcf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0047a5cb
push esi
lea ecx, [esp + 0xc]
call fcn.0047a85a
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 0x40cbad
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040c9b0
test eax, eax
jne 0x40cbad
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.0040c9b0
test eax, eax
jne 0x40cbad
lea eax, [esp + 0x14]
push 0x4a6cd4
push eax
call fcn.0046b690
mov esi, eax
add esp, 8
test esi, esi
jne 0x40cb8c
lea ecx, [esp + 0x14]
push 0x4a6cd0
push ecx
call fcn.0046b610
mov esi, eax
add esp, 8
test esi, esi
jne 0x40cb8c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40cb8f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0047a57b
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40ca9e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047a48e
xor eax, eax
jmp 0x40cbcf
mov byte [esi], 0
push 0x4a6ccc
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.0047a48e
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 0x420f90
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 0x420ffe
cmp si, 0x69
ja 0x420ffe
add esi, 0xffd0
cmp si, 0x11
je 0x420fce
push 0x11
call edi
test ax, ax
jge 0x420fce
or esi, 0x2000
cmp si, 0x10
je 0x420fe3
push 0x10
call edi
test ax, ax
jge 0x420fe3
or esi, 0x4000
cmp si, 0x12
je 0x420ff8
push 0x12
call edi
test ax, ax
jge 0x420ff8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42100b
mov esi, 0xbd
jmp 0x420fbf
cmp si, 0x6e
jne 0x421018
mov esi, 0xbe
jmp 0x420fbf
cmp si, 0x6f
jne 0x420fb9
mov esi, 0xbf
jmp 0x420fbf

Function at 0x422810
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4c0e90]
xor edx, edx
cmp eax, edx
jne 0x422836
xor eax, eax
mov byte [eax + 0x4c0d90], al
inc eax
cmp eax, 0x100
jl 0x42281e
mov dword [0x4c0e90], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4c0d90
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4228c7
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 0x42289a
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 0x422868
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x422940
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 0x422993
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 0x42297a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x429990
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x429b28
cmp ebp, ebx
jle 0x429b28
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x4299ee
dec eax
or eax, 0xfffffff8
inc eax
je 0x4299f5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x429a04
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x429a0b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.0047a1cf
add esp, 4
cmp eax, ebx
je 0x429a2c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.0047a1cf
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x429b1e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x429b05
mov al, byte [edx]
cmp al, 0xc0
jbe 0x429af1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x429ae6
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x429af4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x429af4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x429a90
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x429a81
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret