joyce8/EMBER2024-capa huggingface dataset:
Function at 0x431fd0
Capabilities:
Open clipboard
Write clipboard data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x481718
push eax
mov dword fs:[0], esp
sub esp, 0x14
push ebx
push ebp
push esi
mov esi, ecx
call fcn.0042c810
test eax, eax
je 0x4320d8
lea ecx, [esp + 0xc]
call fcn.00406740
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x38]
mov edx, dword [esp + 0x34]
push eax
mov eax, dword [esp + 0x34]
push ecx
push edx
lea ecx, [esp + 0x18]
push eax
push ecx
mov ecx, esi
mov dword [esp + 0x3c], 0
call fcn.0042c810
mov ecx, eax
call fcn.00429f20
test eax, eax
je 0x4320bf
mov eax, dword [esp + 0x1c]
test eax, eax
mov ebp, eax
je 0x4320bf
push eax
push 0x42
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ebx, eax
test ebx, ebx
je 0x4320bf
mov esi, dword [esp + 0x1c]
mov edx, dword [esp + 0x14]
neg esi
push edi
push ebx
sbb esi, esi
and esi, edx
call dword [sym.imp.KERNEL32.dll_GlobalLock]
mov ecx, ebp
mov edi, eax
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x10]
call fcn.00406940
push ebx
call dword [sym.imp.KERNEL32.dll_GlobalUnlock]
push 0
call dword [sym.imp.USER32.dll_OpenClipboard]
test eax, eax
pop edi
jne 0x4320a1
push ebx
call dword [sym.imp.KERNEL32.dll_GlobalFree]
jmp 0x4320bf
call dword [sym.imp.USER32.dll_EmptyClipboard]
mov eax, dword [0x4b8190]
push ebx
and eax, 0xffff
push eax
call dword [sym.imp.USER32.dll_SetClipboardData]
call dword [sym.imp.USER32.dll_CloseClipboard]
lea ecx, [esp + 0xc]
mov dword [esp + 0x28], 0xffffffff
mov dword [esp + 0xc], 0x48a178
call fcn.00406940
mov ecx, dword [esp + 0x20]
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x20
ret 0x10
Function at 0x432130
Capabilities:
Open clipboard
Read clipboard data

Disassembly:
sub esp, 0xc
push ebx
push ebp
push esi
push edi
mov edi, ecx
call fcn.0042c810
test eax, eax
je 0x43221f
mov ecx, edi
call fcn.0042c810
mov ecx, eax
call fcn.00429dd0
test eax, eax
jne 0x43221f
push eax
call dword [sym.imp.USER32.dll_OpenClipboard]
test eax, eax
je 0x43221f
mov eax, dword [0x4b8190]
and eax, 0xffff
push eax
call dword [sym.imp.USER32.dll_GetClipboardData]
mov esi, eax
test esi, esi
jne 0x432192
call dword [sym.imp.USER32.dll_CloseClipboard]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 0xc
lea ecx, [esp + 0x10]
mov ebp, dword [esp + 0x24]
push 1
push ecx
mov ecx, dword [edi + 0x44]
lea edx, [esp + 0x1c]
shr ecx, 4
lea eax, [esp + 0x20]
push edx
mov edx, dword [esp + 0x2c]
and ecx, 1
push eax
push ecx
push ebp
push edx
push esi
call dword [sym.imp.KERNEL32.dll_GlobalSize]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GlobalLock]
push eax
mov ecx, edi
call fcn.0042c810
mov ecx, eax
call fcn.0042a000
push esi
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_GlobalUnlock]
call dword [sym.imp.USER32.dll_CloseClipboard]
mov ecx, dword [esp + 0x28]
mov eax, 1
cmp ecx, eax
jne 0x43221f
cmp ebx, eax
jne 0x43221f
cmp dword [esp + 0x10], eax
jne 0x432205
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0xcc]
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [edi]
push eax
mov eax, dword [esp + 0x24]
push ecx
push ebp
push eax
mov ecx, edi
call dword [edx + 0xc0]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 0xc
Function at 0x434fa0
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4819a8
push eax
mov dword fs:[0], esp
sub esp, 0x14
push ebx
push ebp
mov ebp, dword [esp + 0x30]
push esi
mov ebx, ecx
push edi
mov esi, dword [ebp]
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x10]
dec ecx
cmp eax, ecx
jge 0x434fd9
inc eax
mov dword [esi + 0x10], eax
jmp 0x4350ec
mov eax, dword [ebx + 0x3c]
mov ecx, dword [esi + 8]
cmp ecx, eax
jne 0x434fed
mov eax, 0xffffffc7
jmp 0x4350ee
mov esi, dword [esi]
mov edx, dword [esi + 0x10]
mov ecx, dword [esi + 0xc]
cmp edx, ecx
jl 0x434ffe
cmp dword [esi + 8], eax
jne 0x434fed
cmp dword [esi + 8], eax
jne 0x435017
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0xc]
cmp eax, ecx
jl 0x435017
mov eax, 0xffffffc7
jmp 0x4350ee
mov eax, dword [esi + 4]
xor edi, edi
cmp eax, edi
je 0x43502b
push eax
mov ecx, ebx
call fcn.004347d0
mov dword [esi + 4], edi
mov dword [ebp], esi
mov ecx, dword [esi + 0x10]
inc ecx
mov dword [esi + 0x10], ecx
lea ecx, [esp + 0x10]
call fcn.00406740
mov dword [esp + 0x2c], edi
mov edi, dword [esp + 0x3c]
test edi, edi
jne 0x43505c
mov ecx, dword [ebx + 4]
mov edx, dword [ecx + 8]
lea ecx, [esp + 0x10]
push edx
call fcn.00406760
mov edi, eax
mov eax, dword [esi + 8]
push edi
push eax
mov ecx, ebx
call fcn.00433f40
test eax, eax
mov dword [esp + 0x38], eax
je 0x43508f
lea ecx, [esp + 0x10]
mov dword [esp + 0x2c], 0xffffffff
mov dword [esp + 0x10], 0x48a1a8
call fcn.00406940
mov eax, dword [esp + 0x38]
jmp 0x4350ee
mov ecx, dword [esi + 0x10]
push ecx
push edi
mov ecx, ebx
call fcn.00434e00
mov dl, byte [edi]
and dl, 1
cmp dl, 1
jne 0x4350d3
mov ecx, dword [esp + 0x34]
push ebp
push ecx
push edi
push eax
mov ecx, ebx
call fcn.00434e20
mov esi, eax
test esi, esi
jne 0x435103
mov edx, dword [ebp]
push eax
push edi
mov ecx, ebx
mov dword [edx + 0x10], eax
call fcn.00434e00
mov cl, byte [edi]
and cl, 1
cmp cl, 1
je 0x4350a5
lea ecx, [esp + 0x10]
mov dword [esp + 0x2c], 0xffffffff
mov dword [esp + 0x10], 0x48a1a8
call fcn.00406940
xor eax, eax
mov ecx, dword [esp + 0x24]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x20
ret 0xc
lea ecx, [esp + 0x10]
mov dword [esp + 0x2c], 0xffffffff
mov dword [esp + 0x10], 0x48a1a8
call fcn.00406940
mov eax, esi
jmp 0x4350ee

Function at 0x439b10
Capabilities:
Create thread

Disassembly:
push ecx
cmp dword [ecx + 0xcc], 1
je 0x439b70
mov eax, dword [ecx + 0x1c]
test eax, eax
je 0x439b70
mov eax, dword [ecx + 0xb0]
test eax, eax
je 0x439b70
push esi
mov edx, 5
mov esi, dword [ecx + 0xbc]
cmp esi, edx
pop esi
je 0x439b70
mov dword [ecx + 0xb4], eax
mov dword [ecx + 0x94], 0
mov dword [ecx + 0xbc], edx
lea eax, [esp]
push eax
push 0
push ecx
push 0x439bb0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ecx
ret
Function at 0x445730
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x482298
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
lea eax, [esp + 0xc]
mov ecx, dword [esi + 0x1c]
push eax
push ecx
call dword [sym.imp.USER32.dll_GetClientRect]
push 0
lea ecx, [esp + 0x20]
call fcn.0047aedf
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.00445090
mov eax, dword [esi + 0x4c]
mov ecx, dword [esi + 0x48]
add eax, 0x64
add esp, 0xc
add ecx, 0x64
mov dword [esp + 8], eax
lea eax, [esp + 4]
mov dword [esp + 4], ecx
push eax
lea ecx, [esp + 0x20]
call fcn.0047ae0d
mov ecx, dword [esp + 4]
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0xc]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
push 1
sar edx, 4
mov ecx, edx
shr ecx, 0x1f
lea eax, [edx + ecx + 1]
xor edx, edx
test eax, eax
setl dl
dec edx
mov ecx, esi
and eax, edx
push eax
push 0
push 0
call fcn.004776d1
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 8]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
xor ecx, ecx
sar edx, 4
mov eax, edx
push 1
shr eax, 0x1f
lea eax, [edx + eax + 1]
test eax, eax
setl cl
dec ecx
and eax, ecx
mov ecx, esi
push eax
push 0
push 1
call fcn.004776d1
push 1
push 0
push 0
mov ecx, esi
call fcn.00477679
push 1
push 0
push 1
mov ecx, esi
call fcn.00477679
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.0047af51
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x4458b0
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x4822b8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
push 0
lea ecx, [esp + 0x20]
call fcn.0047aedf
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.00445090
mov ecx, dword [esi + 0x48]
mov eax, dword [esi + 0x4c]
add ecx, 0x64
add esp, 0xc
mov dword [esp + 4], ecx
lea ecx, [esp + 4]
add eax, 0x96
push ecx
lea ecx, [esp + 0x20]
mov dword [esp + 0xc], eax
call fcn.0047ae0d
mov eax, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
push eax
call dword [sym.imp.USER32.dll_GetClientRect]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x10]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 8]
mov edx, dword [esp + 0xc]
mov ecx, eax
mov eax, dword [esp + 0x14]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 4]
cmp dword [esp + 0x44], 1
jne 0x445974
cmp dword [esp + 0x40], 1
jne 0x445972
cmp ecx, eax
jge 0x445974
mov eax, ecx
cmp eax, 0xc8
jge 0x445980
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.00445730
mov ecx, dword [esi + 0x1c]
push 1
push 0
push ecx
call dword [sym.imp.USER32.dll_InvalidateRect]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.0047af51
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0x446180
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x482363
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ebp
push esi
mov esi, ecx
push edi
mov dword [esp + 0xc], esi
call fcn.00475aee
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], method.CBrush.virtual_0
mov eax, dword [esp + 0x2c]
mov ebp, dword [esp + 0x24]
mov ecx, dword [esp + 0x30]
mov dword [esi + 0x3c], eax
mov eax, ebp
mov dword [esi], method.CEdit.virtual_0
mov dword [esi + 0x40], ecx
mov dword [esi + 0x44], 0
mov ecx, dword [eax]
lea edx, [esi + 0x48]
mov byte [esp + 0x18], 1
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov ecx, dword [eax + 8]
mov dword [edx + 8], ecx
mov eax, dword [eax + 0xc]
mov ecx, dword [esp + 0x40]
mov dword [edx + 0xc], eax
mov eax, dword [esp + 0x44]
push eax
mov dword [esi + 0x5c], ecx
mov dword [esi + 0x60], eax
call dword [sym.imp.GDI32.dll_CreateSolidBrush]
push eax
mov ecx, edi
call fcn.0047b187
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.0047c6a3
test eax, eax
je 0x44629c
mov ecx, dword [esp + 0x3c]
call fcn.0047b1b4
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0x446260
push edi
mov ecx, esi
call fcn.00478818
mov ecx, esi
call fcn.00446440
cmp dword [esp + 0x38], 1
jne 0x446295
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov edx, dword [esi + 0x1c]
push 0xffffffffffffffff
not ecx
dec ecx
push ecx
push 0xb1
push edx
call ebp
mov eax, dword [esi + 0x1c]
push 0
push 0
push 0xb7
push eax
call ebp
mov ecx, esi
call fcn.00478953
mov ecx, dword [esp + 0x10]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x10
ret 0x28
Function at 0x448480
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x4484b3
push esi
call fcn.00456830
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x4484ac
mov dword [esi + 0x10], 0xcf
mov eax, 1
pop esi
ret
mov dword [esi + 0x10], 0xcb
mov eax, dword [esi + 0x10]
cmp eax, 0xcb
jne 0x448539
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x448522
mov eax, dword [esi + 8]
test eax, eax
je 0x4484d7
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x1b0]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x44851e
cmp eax, 2
je 0x448522
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x4484ca
cmp eax, 3
je 0x4484fd
cmp eax, 1
jne 0x4484ca
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 0x4484ca
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x4484ca
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.00448560
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x448548
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.00448560
add esp, 4
pop esi
ret

Function at 0x448dd0
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x448df1
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x448df1
mov eax, dword [eax + 0x44]
test eax, eax
je 0x448df1
mov edx, dword [esp + 8]
push edx
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x4768e4
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x47691c
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.0047499b
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00474973
jmp 0x476928
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x477fd5
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 0x478017
call fcn.0047da8e
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x478017
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x47800e
xor eax, eax
jmp 0x47801f
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00478025
pop edi
pop esi
pop ebx
ret 4
Function at 0x47dfbe
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 0x47dfec
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x47e00a
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0047df24
jmp 0x47e00a
mov eax, dword [esi + 0x14]
test eax, eax
je 0x47e00a
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0047df24
test edi, edi
mov eax, edi
jne 0x47dff4
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x40a300
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46922b
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.0045d9ae
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40a382
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045b8fd
mov eax, dword [eax]
push 0x5201c0
push eax
call fcn.0044e554
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045dc39
test bl, bl
je 0x40a382
push 0x5201c0
lea ecx, [esp + 0xc]
call fcn.0045dfc9
push 0x523d2c
lea ecx, [esp + 0xc]
call fcn.0045dfc9
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 0x40a3be
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045dc39
jmp 0x40a489
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 0x40a442
lea edx, [esp + 0x7c]
push 0x523d28
push edx
call fcn.0044e554
add esp, 8
test eax, eax
je 0x40a442
lea eax, [esp + 0x7c]
push 0x523d24
push eax
call fcn.0044e554
add esp, 8
test eax, eax
je 0x40a442
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 0x40a3d2
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.0045dc39
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 0x40ac80
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 0x40ace2
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 0x40acf0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4692ab
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x52a1e0]
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 0x40ae28
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40ad56
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045dc39
xor eax, eax
jmp 0x40ae9f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045dd76
push esi
lea ecx, [esp + 0xc]
call fcn.0045e005
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 0x40ae7d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0040ac80
test eax, eax
jne 0x40ae7d
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 accept
mov ecx, edi
call fcn.0040ac80
test eax, eax
jne 0x40ae7d
lea eax, [esp + 0x14]
push 0x523d40
push eax
call fcn.0044f590
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ae5c
lea ecx, [esp + 0x14]
push 0x523d3c
push ecx
call fcn.0044f510
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ae5c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40ae5f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045dd26
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40ad6e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045dc39
xor eax, eax
jmp 0x40ae9f
mov byte [esi], 0
push 0x523d38
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.0045dc39
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 0x41de80
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 0x41deee
cmp si, 0x69
ja 0x41deee
add esi, 0xffd0
cmp si, 0x11
je 0x41debe
push 0x11
call edi
test ax, ax
jge 0x41debe
or esi, 0x2000
cmp si, 0x10
je 0x41ded3
push 0x10
call edi
test ax, ax
jge 0x41ded3
or esi, 0x4000
cmp si, 0x12
je 0x41dee8
push 0x12
call edi
test ax, ax
jge 0x41dee8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41defb
mov esi, 0xbd
jmp 0x41deaf
cmp si, 0x6e
jne 0x41df08
mov esi, 0xbe
jmp 0x41deaf
cmp si, 0x6f
jne 0x41dea9
mov esi, 0xbf
jmp 0x41deaf

Function at 0x41f5a0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x53a878]
xor edx, edx
cmp eax, edx
jne 0x41f5c6
xor eax, eax
mov byte [eax + 0x53a778], al
inc eax
cmp eax, 0x100
jl 0x41f5ae
mov dword [0x53a878], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x53a778
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41f657
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 0x41f62a
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 0x41f5f8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41f6d0
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 0x41f723
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 0x41f70a
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