joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d9760
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x513188
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.004d9340
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.004d93b0
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.004d9690
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.004d9360
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10

Function at 0x4d9778
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x513188
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.004d9340
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.004d93b0
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.004d9690
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.004d9360
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10
Function at 0x4d9a60
Capabilities:
Create directory

Disassembly:
push 0xffffffffffffffff
push 0x513200
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.004d9340
xor ebx, ebx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x34], ebx
call fcn.004d9340
mov esi, dword [esp + 0x3c]
lea ecx, [esp + 0xc]
push esi
mov byte [esp + 0x38], 1
call fcn.004d93b0
cmp dword [esp + 0x40], ebx
jne 0x4d9ae8
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.004d9360
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004d9360
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.004d99a0
add esp, 4
lea ecx, [esp + 0xc]
mov esi, 1
call fcn.004805c0
cmp eax, esi
jb 0x4d9b6b
mov edi, dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push 1
push 1
push esi
push 0x570b40
lea ecx, [esp + 0x1c]
call fcn.004d9760
cmp eax, 1
jne 0x4d9b5d
push esi
lea ecx, [esp + 0x20]
push eax
push ecx
lea ecx, [esp + 0x18]
call fcn.004d9500
push ebx
lea ecx, [esp + 0x20]
call fcn.0048c3b0
push eax
call fcn.004eda67
add esp, 8
test eax, eax
jge 0x4d9b5d
push ebx
lea ecx, [esp + 0x20]
call fcn.004805b0
push eax
call edi
test eax, eax
je 0x4d9ba0
lea ecx, [esp + 0xc]
inc esi
call fcn.004805c0
cmp esi, eax
jbe 0x4d9b0d
lea ecx, [esp + 0x1c]
mov byte [esp + 0x34], bl
call fcn.004d9360
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004d9360
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.004d9360
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004d9360
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 0x4dc120
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x4dc12b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x4dc22e
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
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 + 0x54b94c]
xor eax, edx
inc ecx
dec edi
jne 0x4dc146
pop edi
test esi, esi
je 0x4dc250
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x54b94c]
xor eax, edx
inc ecx
dec esi
jne 0x4dc232
pop esi
pop ebx
not eax
ret

Function at 0x4dcbe0
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 0x4dcc21
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 0x4dcc16
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 0x4dcc34
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 0x4ddb70
Capabilities:
Get common file path

Disassembly:
push ecx
push ebp
mov ebp, ecx
push esi
push edi
cmp dword [ebp], 0
jne 0x4ddc25
cmp dword [ebp + 4], 0xffffffff
jne 0x4ddc25
push ebx
lea ebx, [ebp + 0x138]
push ebx
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
mov edi, 0x570dc8
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 0x4ddbed
push edi
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
je 0x4ddbed
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.004dc970
add esp, 0x10
test eax, eax
jne 0x4ddc10
mov eax, dword [esp + 0xc]
pop edi
pop esi
pop ebp
pop ecx
ret 0xc
push eax
call fcn.004dceb0
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 0x4de080
Capabilities:
Create directory

Disassembly:
mov ecx, dword [esp + 8]
sub esp, 0x208
test ecx, ecx
je 0x4de148
mov al, byte [ecx]
test al, al
je 0x4de148
push ebx
push esi
push edi
mov ebx, ecx
mov esi, ecx
cmp al, 0x2f
je 0x4de0ab
cmp al, 0x5c
jne 0x4de0ad
mov ebx, esi
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x4de0a3
mov edi, dword [esp + 0x218]
cmp ebx, ecx
je 0x4de0e4
mov esi, ebx
lea eax, [esp + 0xc]
sub esi, ecx
push esi
push ecx
push eax
call fcn.004edaad
lea ecx, [esp + 0x18]
mov byte [esp + esi + 0x18], 0
push ecx
push edi
call fcn.004de080
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 0x4de920
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x4de986
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x4de986
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4de967
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x4ded10
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4ded48
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x4df970
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x4df9b9
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x4dfe30
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x513480
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004df9e0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004dfa60
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004dfa60
lea ecx, [esi + 0xc]
call fcn.004fd5a8
lea ecx, [esi + 0x10]
call fcn.004fd5a8
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004e0ff0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004e0ff0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004e0ff0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.004fd61d
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.004fd61d
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4eda67
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4eda87
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004ef0e3
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x4edaaa
test byte [esp + 8], 2
je 0x4edaaa
call fcn.004ef156
mov dword [eax], 0xd
call fcn.004ef15f
mov dword [eax], 5
jmp 0x4eda83
xor eax, eax
ret

Function at 0x4f394d
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x550250
push 0x4f04e4
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.004f38ec]
test eax, eax
je 0x4f3995
mov dword [ebp - 4], 1
call eax
jmp 0x4f3991
and dword [ebp - 4], 0
or dword [ebp - 4], 0xffffffff
call 0x4f399e
jmp fcn.004f38ec

Function at 0x4fe475
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
mov ebx, ecx
xor edi, edi
call fcn.00509101
mov esi, dword [eax + 0xc]
push 5
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x4fe4a6
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push esi
mov ecx, ebx
push dword [esp + 0x18]
push edi
call fcn.004fe4b9
pop edi
pop esi
pop ebx
ret 8

Function at 0x4ffa8d
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4ffac5
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.004fdac4
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004fda9c
jmp 0x4ffad1
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x501457
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 0x501499
call fcn.00509101
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x501499
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x501490
xor eax, eax
jmp 0x5014a1
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.005014a7
pop edi
pop esi
pop ebx
ret 4
Function at 0x509631
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 0x50965f
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x50967d
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.00509597
jmp 0x50967d
mov eax, dword [esi + 0x14]
test eax, eax
je 0x50967d
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.00509597
test edi, edi
mov eax, edi
jne 0x509667
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x40b440
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x47190b
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.00464784
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40b4c2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0046223a
mov eax, dword [eax]
push 0x4a3220
push eax
call fcn.00454d44
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00464a0f
test bl, bl
je 0x40b4c2
push 0x4a3220
lea ecx, [esp + 0xc]
call fcn.00464deb
push 0x4a6d78
lea ecx, [esp + 0xc]
call fcn.00464deb
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 0x40b4fe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00464a0f
jmp 0x40b5c9
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 0x40b582
lea edx, [esp + 0x7c]
push 0x4a6d74
push edx
call fcn.00454d44
add esp, 8
test eax, eax
je 0x40b582
lea eax, [esp + 0x7c]
push 0x4a6d70
push eax
call fcn.00454d44
add esp, 8
test eax, eax
je 0x40b582
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 0x40b512
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.00464a0f
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 0x40bdc0
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 0x40be22
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 0x40be30
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x47198b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4adce0]
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 0x40bf68
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40be96
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00464a0f
xor eax, eax
jmp 0x40bfdf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00464b98
push esi
lea ecx, [esp + 0xc]
call fcn.00464e27
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x4a6db0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40bfbd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040bdc0
test eax, eax
jne 0x40bfbd
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.0040bdc0
test eax, eax
jne 0x40bfbd
lea eax, [esp + 0x14]
push 0x4a6d8c
push eax
call fcn.00455e20
mov esi, eax
add esp, 8
test esi, esi
jne 0x40bf9c
lea ecx, [esp + 0x14]
push 0x4a6d88
push ecx
call fcn.00455da0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40bf9c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40bf9f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00464b48
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40beae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00464a0f
xor eax, eax
jmp 0x40bfdf
mov byte [esi], 0
push 0x4a6d84
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.00464a0f
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 0x41c410
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 0x41c47e
cmp si, 0x69
ja 0x41c47e
add esi, 0xffd0
cmp si, 0x11
je 0x41c44e
push 0x11
call edi
test ax, ax
jge 0x41c44e
or esi, 0x2000
cmp si, 0x10
je 0x41c463
push 0x10
call edi
test ax, ax
jge 0x41c463
or esi, 0x4000
cmp si, 0x12
je 0x41c478
push 0x12
call edi
test ax, ax
jge 0x41c478
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41c48b
mov esi, 0xbd
jmp 0x41c43f
cmp si, 0x6e
jne 0x41c498
mov esi, 0xbe
jmp 0x41c43f
cmp si, 0x6f
jne 0x41c439
mov esi, 0xbf
jmp 0x41c43f

Function at 0x41dbb0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4bea78]
xor edx, edx
cmp eax, edx
jne 0x41dbd6
xor eax, eax
mov byte [eax + 0x4be978], al
inc eax
cmp eax, 0x100
jl 0x41dbbe
mov dword [0x4bea78], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4be978
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41dc67
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 0x41dc3a
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 0x41dc08
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41dce0
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 0x41dd33
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 0x41dd1a
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