joyce8/EMBER2024-capa huggingface dataset:
Function at 0x595290
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x80
call fcn.00600890
mov eax, dword [0x6ddc7c]
xor eax, esp
mov dword [esp + 0x7c], eax
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x14]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x59530c
lea eax, [esp + 0x38]
push eax
push 0x40
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x595300
mov eax, 8
call fcn.00600890
movsd xmm0, qword [0x6803f0]
lea eax, [esp + 0x40]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.005768c0
add esp, 0x10
push 0
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
push 0
lea eax, [esp + 0x14]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x595370
lea eax, [esp + 0x38]
push eax
push 0x40
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x595364
mov eax, 8
call fcn.00600890
movsd xmm0, qword [0x6803f0]
lea eax, [esp + 0x40]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.005768c0
add esp, 0x10
push 0
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
cmp dword [0x6dd6f8], 0
je 0x5953b9
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
test eax, eax
jne 0x59538f
mov dword [0x6dd6f8], eax
jmp 0x5953b9
mov eax, 8
call fcn.00600890
xorps xmm0, xmm0
lea eax, [esp + 0x18]
movsd qword [esp], xmm0
push 8
push eax
call fcn.005768c0
add esp, 0x10
cmp dword [0x6dd6f8], 0
jne 0x5953e4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov dword [esp + 8], eax
mov eax, 8
call fcn.00600890
xorps xmm0, xmm0
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 4
push eax
call fcn.005768c0
add esp, 0x10
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.00600890
movsd xmm0, qword [0x6bd740]
lea eax, [esp + 0x20]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.005768c0
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 0xc], eax
mov eax, 8
call fcn.00600890
movsd xmm0, qword [0x6bd740]
lea eax, [esp + 0x14]
movsd qword [esp], xmm0
push 4
push eax
call fcn.005768c0
mov ecx, dword [esp + 0x8c]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.005ff7bd
mov esp, ebp
pop ebp
ret
Function at 0x5dab10
Capabilities:
Encode data using base64

Disassembly:
mov eax, 4
call fcn.00600890
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov dword [esp + 4], ecx
test esi, esi
jle 0x5dac13
mov edx, dword [esp + 0xc]
push ebx
push ebp
push edi
mov edi, dword [esp + 0x1c]
inc edi
nop dword [eax]
movzx eax, byte [edi - 1]
cmp esi, 3
jb 0x5dab98
movzx ecx, byte [edi]
shl eax, 8
or eax, ecx
movzx ecx, byte [edi + 1]
shl eax, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + 0x690d78]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + 0x690d78]
mov byte [edx + 1], cl
mov ecx, eax
and ecx, 0x3f
shr eax, 6
add edx, 2
and eax, 0x3f
mov bl, byte [ecx + 0x690d78]
mov ecx, edx
mov al, byte [eax + 0x690d78]
jmp 0x5dabe4
shl eax, 0x10
cmp esi, 2
jne 0x5daba8
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + 0x690d78]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + 0x690d78]
mov byte [edx + 1], cl
add edx, 2
mov ecx, edx
cmp esi, 1
jne 0x5dabd6
mov al, 0x3d
jmp 0x5dabe2
shr eax, 6
and eax, 0x3f
mov al, byte [eax + 0x690d78]
mov bl, 0x3d
lea ebp, [ecx + 2]
mov byte [edx], al
mov byte [ecx + 1], bl
sub esi, 3
mov ecx, dword [esp + 0x10]
add edi, 3
add ecx, 4
mov edx, ebp
mov dword [esp + 0x10], ecx
test esi, esi
jg 0x5dab40
pop edi
mov byte [ebp], 0
mov eax, ecx
pop ebp
pop ebx
pop esi
pop ecx
ret
mov eax, dword [esp + 0xc]
pop esi
mov byte [eax], cl
mov eax, ecx
pop ecx
ret
Function at 0x602d6e
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 0x6378d2
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00637751

Function at 0x63bb24
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0063b7e4
Function at 0x14cb058
Capabilities:
Decompress data using aplib

Disassembly:
call fcn.014cb1a8
push ebx
mov ebx, esp
push ebx
mov esi, dword [ebx + 8]
mov edi, dword [ebx + 0x10]
cld
mov dl, 0x80
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
mov ebx, 2
add dl, dl
jne 0x14cb07e
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x14cb06a
add dl, dl
jne 0x14cb089
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x14cb0dc
xor eax, eax
add dl, dl
jne 0x14cb096
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x14cb17d
add dl, dl
jne 0x14cb0a5
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x14cb0b0
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x14cb0bb
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x14cb0c6
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x14cb0d2
push edi
mov eax, eax
sub edi, eax
mov al, byte [edi]
pop edi
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x14cb075
mov eax, 1
add dl, dl
jne 0x14cb0ea
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x14cb0f5
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x14cb0e1
sub eax, ebx
mov ebx, 1
jne 0x14cb128
mov ecx, 1
add dl, dl
jne 0x14cb10e
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x14cb119
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x14cb105
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x14cb075
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x14cb13f
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x14cb14a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x14cb136
cmp eax, 0x7d00
jae 0x14cb16d
cmp eax, 0x500
jb 0x14cb168
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x14cb075
cmp eax, 0x7f
ja 0x14cb170
add ecx, 2
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x14cb075
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x14cb19e
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 0x14cb075
pop ebx
sub edi, dword [ebx + 0x10]
mov eax, edi
pop ebx
ret 0x10
Function at 0x401f35
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x24
mov eax, dword [0x42c040]
xor eax, esp
mov dword [esp + 0x1c], eax
push ebx
push ebp
push esi
mov esi, dword [0x486158]
xor ebp, ebp
push edi
mov eax, dword [esi + 0x3c]
mov ebx, dword [eax + esi + 0x78]
add ebx, esi
mov edi, dword [ebx + 0x20]
mov eax, dword [ebx + 0x18]
add edi, esi
mov dword [esp + 0x10], eax
test eax, eax
je 0x401f99
mov eax, dword [edi]
lea ecx, [esp + 0x14]
add eax, esi
push eax
call fcn.00402630
lea ecx, [esp + 0x14]
call fcn.00401d65
cmp eax, 0x8aafdc01
je 0x401fb1
lea ecx, [esp + 0x14]
add edi, 4
call fcn.00402ef5
inc ebp
cmp ebp, dword [esp + 0x10]
jb 0x401f68
xor edi, edi
mov ecx, dword [esp + 0x2c]
lea eax, [esi + edi]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004069ff
add esp, 0x24
ret
mov edx, str.QwruxAA
call fcn.00403895
push eax
call fcn.00403863
mov eax, dword [ebx + 0x24]
pop ecx
lea eax, [eax + ebp*2]
movzx ecx, word [eax + esi]
mov eax, dword [ebx + 0x1c]
lea eax, [eax + ecx*4]
mov edi, dword [eax + esi]
lea ecx, [esp + 0x14]
call fcn.00402ef5
jmp 0x401f9b
Function at 0x41834a
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.00407940
mov eax, dword [0x42c040]
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.00414745
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x41838c
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x4184e8
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.00421760
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 + 0x485d50]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.00418770
mov ecx, dword [esi*4 + 0x485d50]
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 0x4184e1
cmp eax, dword [edi + ecx + 0x24]
jne 0x4184e1
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 0x4184e1
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00418770
add esp, 0x14
test edx, edx
jl 0x4184e1
jg 0x418457
test eax, eax
jb 0x4184e1
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x4184e1
jl 0x418471
cmp dword [ebp - 0x1008], eax
ja 0x4184e1
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x41848f
test ebx, ebx
je 0x4184c8
cmp ecx, edi
jae 0x4184c8
mov al, byte [ecx]
cmp al, 0xd
jne 0x4184a9
lea eax, [edi - 1]
cmp ecx, eax
jae 0x4184b5
cmp byte [ecx + 1], 0xa
jne 0x4184b5
inc ecx
jmp 0x4184b5
movzx eax, al
movsx eax, byte [eax + 0x42c9b0]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x41848f
cmp edx, ebx
jne 0x41848f
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x4184e6
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.004069ff
leave
ret
Function at 0x41eada
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 + 0x485d50]
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 0x41eb1a
cmp byte [ebx], 0xa
jne 0x41eb1a
or byte [eax + edi + 0x28], 4
jmp 0x41eb1f
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x41ec1d
mov al, byte [edx]
cmp al, 0x1a
je 0x41ebff
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x41eb4e
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x41eb73
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x41eb7d
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 0x41eb30
jmp 0x41ec1d
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 0x41ebfa
cmp dword [ebp - 0xc], 0
je 0x41ebfa
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x485d50]
test byte [eax + edi + 0x28], 0x48
je 0x41ebd4
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x41ebbf
mov byte [esi], dl
jmp 0x41ebd0
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x485d50]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x41ec1d
cmp byte [ebp - 1], 0xa
jne 0x41ebe3
cmp esi, ebx
jne 0x41ebe3
mov byte [esi], 0xa
jmp 0x41ec1c
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0041878e
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x41ec1d
mov byte [esi], 0xd
jmp 0x41ec1c
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x485d50]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41ec19
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41ec1d
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x41ec26
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 + 0x485d50]
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 0x41ec69
cmp word [esi], dx
jne 0x41ec69
or byte [edi + eax + 0x28], 4
jmp 0x41ec6e
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 0x41edc1
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 0x41eda1
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x41ecb0
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x41ece6
cmp eax, edx
jae 0x41ecf2
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 0x41ec88
jmp 0x41edc1
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 0x41ed9d
cmp dword [ebp - 0x14], 0
je 0x41ed9d
mov eax, dword [ebx*4 + 0x485d50]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x41ed75
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x41ed3e
mov word [esi], cx
jmp 0x41ed71
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x485d50]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x485d50]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x485d50]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x41edc1
pop ebx
cmp word [ebp - 4], bx
jne 0x41ed86
cmp esi, dword [ebp + 0xc]
jne 0x41ed86
mov word [esi], bx
jmp 0x41edbe
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0041878e
add esp, 0x10
cmp word [ebp - 4], bx
je 0x41edc1
push 0xd
jmp 0x41edba
mov ecx, dword [ebx*4 + 0x485d50]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41edb8
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41edc1
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 0x41b020
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x49b78b
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.00490590
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41b0a2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0048e30a
mov eax, dword [eax]
push 0x57bcf0
push eax
call fcn.00480144
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0049081b
test bl, bl
je 0x41b0a2
push 0x57bcf0
lea ecx, [esp + 0xc]
call fcn.00490bab
push 0x57bcfc
lea ecx, [esp + 0xc]
call fcn.00490bab
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 0x41b0de
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0049081b
jmp 0x41b1a9
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 0x41b162
lea edx, [esp + 0x7c]
push 0x57bcf8
push edx
call fcn.00480144
add esp, 8
test eax, eax
je 0x41b162
lea eax, [esp + 0x7c]
push 0x57bcf4
push eax
call fcn.00480144
add esp, 8
test eax, eax
je 0x41b162
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 0x41b0f2
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.0049081b
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 0x41b9a0
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 0x41ba02
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 0x41ba10
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x49b80b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x5bb8f0]
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 0x41bb48
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41ba76
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049081b
xor eax, eax
jmp 0x41bbbf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00490958
push esi
lea ecx, [esp + 0xc]
call fcn.00490be7
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 0x41bb9d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0041b9a0
test eax, eax
jne 0x41bb9d
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.0041b9a0
test eax, eax
jne 0x41bb9d
lea eax, [esp + 0x14]
push 0x57bd0c
push eax
call fcn.004811c0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41bb7c
lea ecx, [esp + 0x14]
push 0x57bd08
push ecx
call fcn.00481140
mov esi, eax
add esp, 8
test esi, esi
jne 0x41bb7c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41bb7f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00490908
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41ba8e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049081b
xor eax, eax
jmp 0x41bbbf
mov byte [esi], 0
push 0x57bd04
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.0049081b
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 0x42c710
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 0x42c77e
cmp si, 0x69
ja 0x42c77e
add esi, 0xffd0
cmp si, 0x11
je 0x42c74e
push 0x11
call edi
test ax, ax
jge 0x42c74e
or esi, 0x2000
cmp si, 0x10
je 0x42c763
push 0x10
call edi
test ax, ax
jge 0x42c763
or esi, 0x4000
cmp si, 0x12
je 0x42c778
push 0x12
call edi
test ax, ax
jge 0x42c778
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42c78b
mov esi, 0xbd
jmp 0x42c73f
cmp si, 0x6e
jne 0x42c798
mov esi, 0xbe
jmp 0x42c73f
cmp si, 0x6f
jne 0x42c739
mov esi, 0xbf
jmp 0x42c73f

Function at 0x42e0a0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x5cc0e0]
xor edx, edx
cmp eax, edx
jne 0x42e0c6
xor eax, eax
mov byte [eax + 0x5cbfe0], al
inc eax
cmp eax, 0x100
jl 0x42e0ae
mov dword [0x5cc0e0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x5cbfe0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x42e157
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 0x42e12a
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 0x42e0f8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x42e1d0
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 0x42e223
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 0x42e20a
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