joyce8/EMBER2024-capa huggingface dataset:
Function at 0x45b190
Capabilities:
Encode data using base64
Terminate process

Disassembly:
sub esp, 0x118
mov ecx, 0x3f
mov eax, 0x80808080
push ebx
push ebp
push esi
push edi
lea edi, [esp + 0x28]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, 0x41
mov cl, al
sub cl, 0x41
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x5a
jle 0x45b1b2
mov eax, 0x61
mov dl, al
sub dl, 0x47
mov byte [esp + eax + 0x28], dl
inc eax
cmp eax, 0x7a
jle 0x45b1c6
mov eax, 0x30
mov cl, al
add cl, 4
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x39
jle 0x45b1da
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
xor ebp, ebp
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov byte [esp + 0x53], 0x3e
mov byte [esp + 0x57], 0x3f
mov byte [esp + 0x65], 0
mov dword [esp + 0x18], ebp
je 0x45b36d
mov ebx, dword [esp + 0x130]
mov dword [esp + 0x10], 3
mov dword [esp + 0x14], 4
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x12c]
xor eax, eax
lea esi, [edx + ecx]
movsx ecx, byte [esi + eax]
mov dl, byte [esp + ecx + 0x28]
test dl, 0x80
jne 0x45b33e
mov byte [esp + eax + 0x20], cl
mov byte [esp + eax + 0x1c], dl
inc eax
cmp eax, 4
jl 0x45b23c
mov esi, dword [esp + 0x138]
mov edx, dword [esp + 0x10]
cmp edx, dword [esi]
jle 0x45b2a6
mov eax, dword [esp + 0x14]
push eax
call fcn.00463d67
mov ecx, dword [esi]
mov esi, ebx
mov edx, ecx
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
push ebx
and ecx, 3
mov dword [esp + 0x2c], eax
rep movsb byte es:[edi], byte [esi]
call fcn.00463c7e
mov ecx, dword [esp + 0x140]
mov eax, dword [esp + 0x18]
mov ebx, dword [esp + 0x2c]
add esp, 8
mov dword [ecx], eax
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov dl, ch
mov al, cl
sar dl, 4
shl al, 2
or dl, al
mov eax, dword [esp + 0x14]
mov byte [ebx + ebp], dl
inc ebp
inc eax
mov cl, ch
mov dword [esp + 0x14], eax
mov al, byte [esp + 0x1e]
mov dl, al
inc edi
sar dl, 2
shl cl, 4
or dl, cl
mov ecx, dword [esp + 0x14]
shl al, 6
or al, byte [esp + 0x1f]
mov byte [ebx + ebp], dl
inc ebp
mov edx, edi
inc ecx
inc edx
mov byte [ebx + ebp], al
mov al, byte [esp + 0x22]
inc ebp
inc ecx
inc edx
mov dword [esp + 0x10], edi
cmp al, 0x3d
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], edx
je 0x45b353
mov cl, byte [esp + 0x23]
xor eax, eax
cmp cl, 0x3d
setne al
add eax, 2
cmp eax, 3
jl 0x45b353
mov edx, dword [esp + 0x18]
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
add edx, 4
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [esp + 0x18], edx
cmp edx, ecx
jae 0x45b374
jmp 0x45b22c
push ecx
push str.Illegal_character__c_in_input._n
call fcn.004655a5
add esp, 8
push 1
call fcn.00464a2d
mov eax, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [eax], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
mov ebx, dword [esp + 0x130]
mov ecx, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [ecx], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
Function at 0x45c600
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4817a8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.0045c1e0
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.0045c250
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
push edx
lea ecx, [esp + 0xc]
push eax
push ecx
mov ecx, esi
call fcn.0045c530
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.0045c200
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10

Function at 0x45c618
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4817a8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.0045c1e0
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.0045c250
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
push edx
lea ecx, [esp + 0xc]
push eax
push ecx
mov ecx, esi
call fcn.0045c530
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.0045c200
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10
Function at 0x45c910
Capabilities:
Create directory

Disassembly:
push 0xffffffffffffffff
push 0x481820
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20
push ebx
push esi
push edi
lea ecx, [esp + 0xc]
call fcn.0045c1e0
xor ebx, ebx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x34], ebx
call fcn.0045c1e0
mov esi, dword [esp + 0x3c]
lea ecx, [esp + 0xc]
push esi
mov byte [esp + 0x38], 1
call fcn.0045c250
cmp dword [esp + 0x40], ebx
jne 0x45c998
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
lea ecx, [esp + 0x1c]
mov esi, eax
mov byte [esp + 0x34], bl
call fcn.0045c200
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.0045c200
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x20]
mov dword fs:[0], ecx
add esp, 0x2c
ret
lea eax, [esp + 0xc]
push eax
call fcn.0045c850
add esp, 4
lea ecx, [esp + 0xc]
mov esi, 1
call fcn.00427020
cmp eax, esi
jb 0x45ca1b
mov edi, dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push 1
push 1
push esi
push 0x4a4730
lea ecx, [esp + 0x1c]
call fcn.0045c600
cmp eax, 1
jne 0x45ca0d
push esi
lea ecx, [esp + 0x20]
push eax
push ecx
lea ecx, [esp + 0x18]
call fcn.0045c3a0
push ebx
lea ecx, [esp + 0x20]
call fcn.00434890
push eax
call fcn.00465c77
add esp, 8
test eax, eax
jge 0x45ca0d
push ebx
lea ecx, [esp + 0x20]
call fcn.0045c6e0
push eax
call edi
test eax, eax
je 0x45ca50
lea ecx, [esp + 0xc]
inc esi
call fcn.00427020
cmp esi, eax
jbe 0x45c9bd
lea ecx, [esp + 0x1c]
mov byte [esp + 0x34], bl
call fcn.0045c200
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.0045c200
pop edi
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x20]
mov dword fs:[0], ecx
add esp, 0x2c
ret
lea ecx, [esp + 0x1c]
mov byte [esp + 0x34], bl
call fcn.0045c200
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.0045c200
mov ecx, dword [esp + 0x2c]
pop edi
pop esi
xor eax, eax
pop ebx
mov dword fs:[0], ecx
add esp, 0x2c
ret
Function at 0x45efd0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x45efdb
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x45f0de
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x48bee4]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x48bee4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x48bee4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x48bee4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x48bee4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x48bee4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x48bee4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x48bee4]
xor eax, edx
inc ecx
dec edi
jne 0x45eff6
pop edi
test esi, esi
je 0x45f100
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x48bee4]
xor eax, edx
inc ecx
dec esi
jne 0x45f0e2
pop esi
pop ebx
not eax
ret

Function at 0x45faa0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
mov cl, byte [ebx]
mov eax, ebp
imul eax, dword [esp + 0x14]
test cl, cl
je 0x45fae1
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push 0
push ecx
push eax
mov eax, dword [ebx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x45fad6
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x18]
mov ecx, dword [ebx + 0x14]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x45faf4
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x10]
mov edi, dword [esp + 0x14]
mov ecx, eax
add esi, edx
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x18]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x18], ecx
pop ebp
pop ebx
ret
Function at 0x460a30
Capabilities:
Get common file path

Disassembly:
push ecx
push ebp
mov ebp, ecx
push esi
push edi
cmp dword [ebp], 0
jne 0x460ae5
cmp dword [ebp + 4], 0xffffffff
jne 0x460ae5
push ebx
lea ebx, [ebp + 0x138]
push ebx
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
mov edi, 0x4a49b8
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edx, ecx
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
pop ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov esi, dword [esp + 0x1c]
mov edi, dword [esp + 0x14]
cmp esi, 1
jne 0x460aad
push edi
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
je 0x460aad
pop edi
pop esi
mov eax, 0x2000000
pop ebp
pop ecx
ret 0xc
mov ecx, dword [esp + 0x18]
lea eax, [esp + 0xc]
push eax
push esi
push ecx
push edi
call fcn.0045f830
add esp, 0x10
test eax, eax
jne 0x460ad0
mov eax, dword [esp + 0xc]
pop edi
pop esi
pop ebp
pop ecx
ret 0xc
push eax
call fcn.0045fd70
add esp, 4
mov dword [ebp], eax
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
ret 0xc
pop edi
pop esi
mov eax, 0x1000000
pop ebp
pop ecx
ret 0xc

Function at 0x460f40
Capabilities:
Create directory

Disassembly:
mov ecx, dword [esp + 8]
sub esp, 0x208
test ecx, ecx
je 0x461008
mov al, byte [ecx]
test al, al
je 0x461008
push ebx
push esi
push edi
mov ebx, ecx
mov esi, ecx
cmp al, 0x2f
je 0x460f6b
cmp al, 0x5c
jne 0x460f6d
mov ebx, esi
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x460f63
mov edi, dword [esp + 0x218]
cmp ebx, ecx
je 0x460fa4
mov esi, ebx
lea eax, [esp + 0xc]
sub esi, ecx
push esi
push ecx
push eax
call fcn.00465dfa
lea ecx, [esp + 0x18]
mov byte [esp + esi + 0x18], 0
push ecx
push edi
call fcn.00460f40
add esp, 0x14
inc ebx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x110]
mov eax, ecx
mov esi, edi
mov edi, edx
lea edx, [esp + 0x110]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
xor eax, eax
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
lea eax, [esp + 0x114]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
pop edi
pop esi
pop ebx
add esp, 0x208
ret
Function at 0x465c77
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x465c97
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00466992
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x465cba
test byte [esp + 8], 2
je 0x465cba
call fcn.00466a05
mov dword [eax], 0xd
call fcn.00466a0e
mov dword [eax], 5
jmp 0x465c93
xor eax, eax
ret

Function at 0x46ad7d
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x48ead0
push 0x467918
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ecx
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
and dword [ebp - 4], 0
mov eax, dword [fcn.0046ad1c]
test eax, eax
je 0x46adc5
mov dword [ebp - 4], 1
call eax
jmp 0x46adc1
and dword [ebp - 4], 0
or dword [ebp - 4], 0xffffffff
call 0x46adce
jmp fcn.0046ad1c

Function at 0x475c83
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x475cbb
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.00473d3a
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00473d12
jmp 0x475cc7
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x477374
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4773b6
call fcn.0047ce32
mov esi, dword [eax + 0xc]
push pe_nt_image_headers32
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4773b6
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4773ad
xor eax, eax
jmp 0x4773be
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004773c4
pop edi
pop esi
pop ebx
ret 4

Function at 0x47d362
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x47d390
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x47d3ae
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0047d2c8
jmp 0x47d3ae
mov eax, dword [esi + 0x14]
test eax, eax
je 0x47d3ae
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0047d2c8
test edi, edi
mov eax, edi
jne 0x47d398
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x40ad40
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x48659b
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.0047a417
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40adc2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00477754
mov eax, dword [eax]
push 0x5b01e0
push eax
call fcn.00469964
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0047a6a2
test bl, bl
je 0x40adc2
push 0x5b01e0
lea ecx, [esp + 0xc]
call fcn.0047aa32
push 0x5b3d5c
lea ecx, [esp + 0xc]
call fcn.0047aa32
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 0x40adfe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0047a6a2
jmp 0x40aec9
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 0x40ae82
lea edx, [esp + 0x7c]
push 0x5b3d58
push edx
call fcn.00469964
add esp, 8
test eax, eax
je 0x40ae82
lea eax, [esp + 0x7c]
push 0x5b3d54
push eax
call fcn.00469964
add esp, 8
test eax, eax
je 0x40ae82
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 0x40ae12
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.0047a6a2
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 0x40b6c0
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 0x40b722
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 0x40b730
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x48661b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x5bb29c]
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 0x40b868
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40b796
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047a6a2
xor eax, eax
jmp 0x40b8df
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0047a7df
push esi
lea ecx, [esp + 0xc]
call fcn.0047aa6e
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 0x40b8bd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push connect
call fcn.0040b6c0
test eax, eax
jne 0x40b8bd
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 connect
mov ecx, edi
call fcn.0040b6c0
test eax, eax
jne 0x40b8bd
lea eax, [esp + 0x14]
push 0x5b3d70
push eax
call fcn.0046a9a0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b89c
lea ecx, [esp + 0x14]
push 0x5b3d6c
push ecx
call fcn.0046a920
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b89c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40b89f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0047a78f
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40b7ae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047a6a2
xor eax, eax
jmp 0x40b8df
mov byte [esi], 0
push 0x5b3d68
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.0047a6a2
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 0x41cea0
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 0x41cf0e
cmp si, 0x69
ja 0x41cf0e
add esi, 0xffd0
cmp si, 0x11
je 0x41cede
push 0x11
call edi
test ax, ax
jge 0x41cede
or esi, 0x2000
cmp si, 0x10
je 0x41cef3
push 0x10
call edi
test ax, ax
jge 0x41cef3
or esi, 0x4000
cmp si, 0x12
je 0x41cf08
push 0x12
call edi
test ax, ax
jge 0x41cf08
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41cf1b
mov esi, 0xbd
jmp 0x41cecf
cmp si, 0x6e
jne 0x41cf28
mov esi, 0xbe
jmp 0x41cecf
cmp si, 0x6f
jne 0x41cec9
mov esi, 0xbf
jmp 0x41cecf

Function at 0x41e5c0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x5cba28]
xor edx, edx
cmp eax, edx
jne 0x41e5e6
xor eax, eax
mov byte [eax + 0x5cb928], al
inc eax
cmp eax, 0x100
jl 0x41e5ce
mov dword [0x5cba28], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x5cb928
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41e677
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 0x41e64a
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 0x41e618
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41e6f0
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 0x41e743
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 0x41e72a
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