joyce8/EMBER2024-capa huggingface dataset:
Function at 0x417bb0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x14], 0xca
jne 0x417be0
push esi
call fcn.00418170
mov al, byte [esi + 0x40]
add esp, 4
test al, al
je 0x417bd9
mov dword [esi + 0x14], 0xcf
mov al, 1
pop esi
ret
mov dword [esi + 0x14], 0xcb
mov eax, dword [esi + 0x14]
cmp eax, 0xcb
jne 0x417c63
mov eax, dword [esi + 0x190]
mov cl, byte [eax + 0x10]
test cl, cl
je 0x417c4f
mov eax, dword [esi + 8]
test eax, eax
je 0x417c04
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x190]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x417c4b
cmp eax, 2
je 0x417c4f
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x417bf7
cmp eax, 3
je 0x417c2a
cmp eax, 1
jne 0x417bf7
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x417bf7
mov edx, dword [esi + 0x11c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x417bf7
xor al, al
pop esi
ret
mov eax, dword [esi + 0x7c]
push esi
mov dword [esi + 0x84], eax
call fcn.00417c90
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x417c83
mov ecx, dword [esi]
push esi
mov dword [ecx + 0x14], 0x14
mov edx, dword [esi]
mov eax, dword [esi + 0x14]
mov dword [edx + 0x18], eax
mov ecx, dword [esi]
call dword [ecx]
add esp, 4
push esi
call fcn.00417c90
add esp, 4
pop esi
ret
Function at 0x48c060
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x494f88
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push esi
mov esi, ecx
push edi
push 0
lea ecx, [esp + 0xc]
call fcn.004866c0
mov edi, dword [esp + 0x30]
lea eax, [esp + 8]
push eax
push edi
mov ecx, esi
mov dword [esp + 0x30], 0
call fcn.0048c140
test al, al
jne 0x48c0ca
lea ecx, [esp + 8]
mov dword [esp + 0x28], 0xffffffff
call fcn.00486f00
pop edi
xor al, al
pop esi
mov ecx, dword [esp + 0x18]
mov dword fs:[0], ecx
add esp, 0x24
ret 4
lea ecx, [esp + 8]
push ecx
mov ecx, esi
call fcn.0048d110
mov ecx, eax
call fcn.004870c0
mov edx, dword [edi + 4]
mov ecx, dword [esi + 0x70]
sub edx, ecx
mov ecx, esi
push edx
call fcn.0048d110
mov ecx, eax
call fcn.004892d0
mov eax, dword [edi + 8]
mov edx, dword [esi + 0x70]
sub eax, edx
mov ecx, esi
push eax
call fcn.0048d110
mov ecx, eax
call fcn.004892e0
lea ecx, [esp + 8]
mov dword [esp + 0x28], 0xffffffff
call fcn.00486f00
mov ecx, dword [esp + 0x20]
pop edi
mov al, 1
pop esi
mov dword fs:[0], ecx
add esp, 0x24
ret 4
Function at 0x48cef0
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x49509b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20
mov al, byte [esp + 0x34]
push ebx
xor ebx, ebx
push esi
push edi
mov esi, ecx
mov byte [esp + 0x18], al
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebx
mov dword [esp + 0x24], ebx
mov ecx, dword [esp + 0x40]
mov dword [esp + 0x34], ebx
mov edx, dword [ecx]
mov dword [esp + 0xc], edx
mov edx, dword [0x4964a8]
mov eax, dword [ecx + 4]
mov dword [esp + 0x10], eax
mov ecx, dword [ecx + 8]
mov dword [esp + 0x14], ecx
mov eax, dword [edx]
mov ecx, dword [esp + 0x3c]
push eax
push ebx
push ecx
lea ecx, [esp + 0x24]
call dword [0x49648c]
mov eax, dword [esi + 0x5c]
mov edx, dword [esp + 0x44]
add esi, 0x30
cmp eax, ebx
mov dword [esp + 0x28], edx
je 0x48cfef
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x18]
cmp eax, edx
je 0x48cfef
lea ecx, [eax + 0x20]
cmp ecx, edx
jne 0x48cfac
mov dword [esp + 0x40], eax
mov dword [esi + 0x1c], ecx
mov dword [esp + 0x3c], eax
cmp eax, ebx
mov byte [esp + 0x34], 2
je 0x48cf9f
lea ecx, [esp + 0xc]
push ecx
mov ecx, eax
call fcn.0048f350
mov ecx, esi
mov byte [esp + 0x34], bl
call fcn.0048e540
jmp 0x48d01a
mov edi, eax
mov dword [esi + 0x1c], ecx
mov dword [esp + 0x40], edi
mov dword [esp + 0x3c], edi
cmp edi, ebx
mov byte [esp + 0x34], 3
je 0x48d01a
mov eax, dword [esp + 0xc]
mov edx, edi
mov dword [edx], eax
mov ecx, dword [esp + 0x10]
mov dword [edx + 4], ecx
mov eax, dword [esp + 0x14]
lea ecx, [esp + 0x18]
push ecx
lea ecx, [edi + 0xc]
mov dword [edx + 8], eax
call dword [0x4964d0]
mov edx, dword [esp + 0x28]
mov dword [edi + 0x1c], edx
jmp 0x48d01a
mov ecx, esi
call fcn.0048e540
mov ecx, dword [esi + 0x1c]
mov dword [esp + 0x40], ecx
mov dword [esp + 0x3c], ecx
lea eax, [ecx + 0x20]
mov dword [esi + 0x1c], eax
cmp ecx, ebx
mov byte [esp + 0x34], 1
je 0x48d01a
lea edx, [esp + 0xc]
push edx
call fcn.0048f350
mov edx, dword [esi + 0x2c]
mov eax, dword [esp + 0x1c]
inc edx
cmp eax, ebx
mov dword [esi + 0x2c], edx
je 0x48d046
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x48d03d
cmp al, 0xff
je 0x48d03d
dec al
mov byte [ecx], al
jmp 0x48d046
push ecx
call fcn.0049213e
add esp, 4
mov ecx, dword [esp + 0x2c]
pop edi
pop esi
xor al, al
pop ebx
mov dword fs:[0], ecx
add esp, 0x2c
ret 0xc
Function at 0x41a683
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0041a4f4

Function at 0x41aa7d
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.0040a460
mov eax, dword [0x5c69c0]
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.00418464
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x41aabf
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x41ac1b
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.00425510
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 + 0x5c9020]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.0041b81c
mov ecx, dword [esi*4 + 0x5c9020]
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 0x41ac14
cmp eax, dword [edi + ecx + 0x24]
jne 0x41ac14
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 0x41ac14
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0041b81c
add esp, 0x14
test edx, edx
jl 0x41ac14
jg 0x41ab8a
test eax, eax
jb 0x41ac14
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x41ac14
jl 0x41aba4
cmp dword [ebp - 0x1008], eax
ja 0x41ac14
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x41abc2
test ebx, ebx
je 0x41abfb
cmp ecx, edi
jae 0x41abfb
mov al, byte [ecx]
cmp al, 0xd
jne 0x41abdc
lea eax, [edi - 1]
cmp ecx, eax
jae 0x41abe8
cmp byte [ecx + 1], 0xa
jne 0x41abe8
inc ecx
jmp 0x41abe8
movzx eax, al
movsx eax, byte [eax + 0x5c6c88]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x41abc2
cmp edx, ebx
jne 0x41abc2
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x41ac19
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.0040982d
leave
ret
Function at 0x41acba
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 + 0x5c9020]
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 0x41acfa
cmp byte [ebx], 0xa
jne 0x41acfa
or byte [eax + edi + 0x28], 4
jmp 0x41acff
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x41adfd
mov al, byte [edx]
cmp al, 0x1a
je 0x41addf
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x41ad2e
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x41ad53
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x41ad5d
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 0x41ad10
jmp 0x41adfd
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 0x41adda
cmp dword [ebp - 0xc], 0
je 0x41adda
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x5c9020]
test byte [eax + edi + 0x28], 0x48
je 0x41adb4
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x41ad9f
mov byte [esi], dl
jmp 0x41adb0
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x5c9020]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x41adfd
cmp byte [ebp - 1], 0xa
jne 0x41adc3
cmp esi, ebx
jne 0x41adc3
mov byte [esi], 0xa
jmp 0x41adfc
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0041b83a
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x41adfd
mov byte [esi], 0xd
jmp 0x41adfc
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x5c9020]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41adf9
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41adfd
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x41ae06
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 + 0x5c9020]
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 0x41ae49
cmp word [esi], dx
jne 0x41ae49
or byte [edi + eax + 0x28], 4
jmp 0x41ae4e
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 0x41afa1
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 0x41af81
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x41ae90
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x41aec6
cmp eax, edx
jae 0x41aed2
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 0x41ae68
jmp 0x41afa1
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 0x41af7d
cmp dword [ebp - 0x14], 0
je 0x41af7d
mov eax, dword [ebx*4 + 0x5c9020]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x41af55
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x41af1e
mov word [esi], cx
jmp 0x41af51
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x5c9020]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x5c9020]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x5c9020]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x41afa1
pop ebx
cmp word [ebp - 4], bx
jne 0x41af66
cmp esi, dword [ebp + 0xc]
jne 0x41af66
mov word [esi], bx
jmp 0x41af9e
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0041b83a
add esp, 0x10
cmp word [ebp - 4], bx
je 0x41afa1
push 0xd
jmp 0x41af9a
mov ecx, dword [ebx*4 + 0x5c9020]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41af98
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41afa1
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 0x41d620
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 0x41d6bd
push ebx
push esi
call fcn.0041d5e9
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.0041c3ca
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x41d66a
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x41d6bc
push edi
push eax
call fcn.0041762f
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x41d68a
call fcn.0041663b
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x41d6bb
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.0041c3ca
add esp, 0x20
test eax, eax
jne 0x41d6a9
push edi
call fcn.0041663b
jmp 0x41d6b1
push ebx
call fcn.0041663b
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 0x425310
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x42533d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x42533d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

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 0x423350
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a263b
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.004953c4
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4233d2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00492e3d
mov eax, dword [eax]
push 0x5fdc90
push eax
call fcn.00485244
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0049564f
test bl, bl
je 0x4233d2
push 0x5fdc90
lea ecx, [esp + 0xc]
call fcn.00495a2b
push 0x5fdc9c
lea ecx, [esp + 0xc]
call fcn.00495a2b
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 0x42340e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0049564f
jmp 0x4234d9
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 0x423492
lea edx, [esp + 0x7c]
push 0x5fdc98
push edx
call fcn.00485244
add esp, 8
test eax, eax
je 0x423492
lea eax, [esp + 0x7c]
push 0x5fdc94
push eax
call fcn.00485244
add esp, 8
test eax, eax
je 0x423492
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 0x423422
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.0049564f
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 0x423cd0
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 0x423d32
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 0x423d40
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a26bb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x6082a8]
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 0x423e78
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x423da6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049564f
xor eax, eax
jmp 0x423eef
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004957d8
push esi
lea ecx, [esp + 0xc]
call fcn.00495a67
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 0x423ecd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00423cd0
test eax, eax
jne 0x423ecd
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.00423cd0
test eax, eax
jne 0x423ecd
lea eax, [esp + 0x14]
push 0x5fdcac
push eax
call fcn.00486430
mov esi, eax
add esp, 8
test esi, esi
jne 0x423eac
lea ecx, [esp + 0x14]
push 0x5fdca8
push ecx
call fcn.004863b0
mov esi, eax
add esp, 8
test esi, esi
jne 0x423eac
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x423eaf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00495788
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x423dbe
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049564f
xor eax, eax
jmp 0x423eef
mov byte [esi], 0
push 0x5fdca4
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.0049564f
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 0x434840
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 0x4348ae
cmp si, 0x69
ja 0x4348ae
add esi, 0xffd0
cmp si, 0x11
je 0x43487e
push 0x11
call edi
test ax, ax
jge 0x43487e
or esi, 0x2000
cmp si, 0x10
je 0x434893
push 0x10
call edi
test ax, ax
jge 0x434893
or esi, 0x4000
cmp si, 0x12
je 0x4348a8
push 0x12
call edi
test ax, ax
jge 0x4348a8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4348bb
mov esi, 0xbd
jmp 0x43486f
cmp si, 0x6e
jne 0x4348c8
mov esi, 0xbe
jmp 0x43486f
cmp si, 0x6f
jne 0x434869
mov esi, 0xbf
jmp 0x43486f

Function at 0x4360b0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x619178]
xor edx, edx
cmp eax, edx
jne 0x4360d6
xor eax, eax
mov byte [eax + 0x619078], al
inc eax
cmp eax, 0x100
jl 0x4360be
mov dword [0x619178], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x619078
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x436167
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 0x43613a
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 0x436108
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4361e0
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 0x436233
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 0x43621a
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