joyce8/EMBER2024-capa huggingface dataset:
Function at 0x496acc
Capabilities:
Allocate thread local storage
Get thread local storage value
Set thread local storage value

Disassembly:
cmp dword [0x4d2278], 0
push ebx
push esi
mov esi, 0x4d2280
jne 0x496af8
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
push esi
mov dword [0x4d2298], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [0x4d2278], 1
push dword [0x4d2298]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov ebx, eax
test ebx, ebx
jne 0x496b95
push 0x14
push 8
push dword [0x4d1afc]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ebx, eax
test ebx, ebx
je 0x496bbf
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x4d227c]
test eax, eax
je 0x496b3a
mov dword [eax], ebx
push edi
push esi
mov dword [ebx + 4], eax
mov dword [0x4d227c], ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edi, [ebx + 0x10]
push 0
push 0
push 0x100000
push edi
call esi
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call esi
push eax
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
push 8
push 0xffffffffffffffff
push ebx
push 0x496bc4
push dword [edi]
lea eax, [ebx + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_RegisterWaitForSingleObject]
push ebx
push dword [0x4d2298]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
pop edi
push 0xc
push 0
push dword [0x4d1afc]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x496bbf
mov ecx, dword [esp + 0xc]
mov dword [eax + 4], ecx
mov ecx, dword [esp + 0x10]
mov dword [eax + 8], ecx
mov ecx, dword [ebx + 8]
mov dword [eax], ecx
mov dword [ebx + 8], eax
pop esi
pop ebx
ret 8

Function at 0x496ed9
Capabilities:
Set thread local storage value

Disassembly:
push esi
push 0x184
push 8
push dword [0x4d1afc]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
push esi
push dword [0x4d23c0]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
push dword [esp + 8]
mov dword [0x4d23c4], esi
and dword [esi + 0xa8], 0
or dword [esi + 0xac], 0xffffffff
or dword [esi + 0xb0], 0xffffffff
push esi
mov dword [esi + 0xa4], 0xffffff
mov dword [esi + 0x74], 2
mov dword [esi + 0x78], 0x3f
call fcn.00499b0c
mov dword [esi + 0x58], 0x497aec
mov eax, esi
mov dword [esi + 0x5c], 0x497b38
mov dword [esi + 0x10], fcn.0049768d
mov dword [esi + 0x30], 0x49757f
mov dword [esi + 0x64], 0x497bc2
mov dword [esi + 0x60], 0x497b7a
mov dword [esi + 0x34], 0x49722f
mov dword [esi + 0x24], 0x497206
mov dword [esi + 0x28], 0x4971db
mov dword [esi + 0x2c], 0x49712d
mov dword [esi + 0x44], 0x4978f2
pop esi
ret 4
Function at 0x49cdb0
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
mov edx, dword [esp + 0x2c]
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [esi + 0xd4]
mov dword [esp + 4], eax
test edx, edx
je 0x49ce66
imul eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
imul ecx, dword [esp + 0x28]
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x1c]
neg eax
add ecx, dword [esp + 0x18]
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0x28]
push ebp
push edi
lea edi, [ecx + eax*4]
mov eax, dword [esp + 0x28]
mov ecx, dword [esi + 0xcc]
mov ebp, edi
imul ecx, ebx
add ecx, dword [esi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x49ce46
mov edx, dword [esp + 0x38]
mov esi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 4]
xor byte [ecx], al
add ecx, esi
dec edx
jne 0x49ce21
mov edx, dword [esp + 0x3c]
mov esi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec edx
inc ebx
cmp dword [esi + 0xe8], 0
mov dword [esp + 0x3c], edx
jne 0x49ce5b
add edi, dword [esp + 0x14]
jmp 0x49ce5f
add edi, dword [esp + 0x24]
test edx, edx
jne 0x49cdff
pop edi
pop ebp
pop ebx
pop esi
pop ecx
pop ecx
ret 0x24

Function at 0x49d171
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
push ecx
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x30]
mov dword [esp + 8], edx
test ebx, ebx
je 0x49d24b
imul eax, dword [esp + 0x1c], 3
mov ecx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x24]
neg ecx
push esi
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x20]
imul eax, dword [esp + 0x30]
push edi
imul edi, dword [esp + 0x30], 3
mov dword [esp + 0x10], ecx
add eax, dword [esp + 0x20]
add edi, eax
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x38], edi
mov esi, dword [eax + 0xcc]
imul esi, ebp
mov dword [esp + 0x34], edi
add esi, dword [eax + 0xc8]
add esi, dword [esp + 0x28]
test edx, edx
jle 0x49d221
mov ebp, dword [esp + 0x34]
mov ebx, 0xff
sub ebx, dword [esp + 0x40]
mov edi, edx
movzx eax, byte [esi]
movzx ecx, byte [ebp]
imul ecx, dword [esp + 0x40]
imul eax, ebx
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
inc ebp
mov byte [esi], al
inc esi
dec edi
jne 0x49d1e9
mov edi, dword [esp + 0x38]
mov ebx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x2c]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
dec ebx
inc ebp
cmp dword [eax + 0xe8], 0
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x2c], ebp
jne 0x49d238
add edi, ecx
jmp 0x49d23c
add edi, dword [esp + 0x24]
mov dword [esp + 0x38], edi
test ebx, ebx
jne 0x49d1bf
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0x28
Function at 0x49d86b
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
push esi
mov esi, dword [esp + 0x30]
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi + 0xd4]
mov dword [esp + 8], eax
test esi, esi
je 0x49d920
imul eax, dword [esp + 0x20]
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x28]
push ebp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x24]
neg eax
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
imul eax, dword [esp + 0x34]
add eax, dword [esp + 0x20]
add edx, eax
mov eax, dword [esp + 0x28]
mov ecx, dword [edi + 0xcc]
mov ebp, edx
imul ecx, ebx
add ecx, dword [edi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x49d901
mov esi, dword [esp + 0x38]
mov edi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 3]
xor byte [ecx], al
add ecx, edi
dec esi
jne 0x49d8dc
mov esi, dword [esp + 0x3c]
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec esi
inc ebx
cmp dword [edi + 0xe8], 0
mov dword [esp + 0x3c], esi
jne 0x49d916
add edx, dword [esp + 0x14]
jmp 0x49d91a
add edx, dword [esp + 0x24]
test esi, esi
jne 0x49d8ba
pop ebp
pop ebx
pop edi
pop esi
pop ecx
pop ecx
ret 0x24
Function at 0x406de0
Capabilities:
Hide graphical window

Disassembly:
push 0
mov eax, dword [0x40a930]
push eax
call sub.user32.dll_ShowWindow
push 0xffffffffffffffec
mov eax, dword [0x40a930]
push eax
call sub.user32.dll_GetWindowLongA
or eax, 0x80
push eax
push 0xffffffffffffffec
mov eax, dword [0x40a930]
push eax
call sub.user32.dll_SetWindowLongA
push 5
mov eax, dword [0x40a930]
push eax
call sub.user32.dll_ShowWindow
ret

Function at 0x432000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40c7d0
mov ecx, 0x1da17ed6
nop
nop
nop
test eax, eax
nop
nop
nop
nop
nop
nop
je 0x43204e
nop
nop
nop
xor dword [eax], ecx
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x432024
nop
nop
nop
mov eax, section..data_1
nop
mov ebx, 0x42f314
mov ecx, 0x75640c7d
nop
nop
test eax, eax
nop
nop
nop
nop
nop
nop
nop
je 0x432084
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x43206c
nop
nop
nop
nop
nop
popal
nop
jmp 0x431219
Function at 0x402010
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x48
test ecx, ecx
mov dword [ebp - 0xc], ebx
mov ebx, eax
mov dword [ebp - 8], esi
mov esi, edx
mov dword [ebp - 4], edi
mov edi, ecx
jne 0x402036
mov ebx, dword [ebp - 0xc]
mov esi, dword [ebp - 8]
mov edi, dword [ebp - 4]
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x38]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], eax
mov dword [esp], ebx
call sym._VirtualQuery_12
sub esp, 0xc
test eax, eax
je 0x4020ca
mov eax, dword [ebp - 0x24]
cmp eax, 4
je 0x402085
cmp eax, 0x40
je 0x402085
lea eax, [ebp - 0x1c]
mov dword [esp + 0xc], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp + 8], 0x40
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sym._memcpy
mov eax, dword [ebp - 0x24]
cmp eax, 4
je 0x402029
cmp eax, 0x40
je 0x402029
lea eax, [ebp - 0x1c]
mov dword [esp + 0xc], eax
mov eax, dword [ebp - 0x1c]
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
jmp 0x402029
mov dword [esp + 8], 0x34
mov dword [esp + 4], str..._.._runtime_pseudo_reloc.c
mov dword [esp], str.VirtualQuery__addr__b__sizeof_b__
call sym.__assert
lea esi, [esi]
lea edi, [edi]
Function at 0x40d908
Capabilities:
Hash data using sha1

Disassembly:
mov eax, dword [esp + 4]
and dword [eax + 0x18], 0
and dword [eax + 0x14], 0
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
mov dword [eax + 0x10], 0xc3d2e1f0
ret 4

Function at 0x4b5a80
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x73000]
push edi
jmp 0x4b5a9a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x4b5aa1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x4b5a90
mov eax, 1
add ebx, ebx
jne 0x4b5ab3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x4b5ac4
jne 0x4b5ae3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x4b5ae3
dec eax
add ebx, ebx
jne 0x4b5ad0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x4b5aa8
add ebx, ebx
jne 0x4b5adf
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x4b5b35
xor ecx, ecx
sub eax, 3
jb 0x4b5afb
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x4b5b6a
sar eax, 1
mov ebp, eax
jmp 0x4b5b06
add ebx, ebx
jne 0x4b5b06
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x4b5ad4
inc ecx
add ebx, ebx
jne 0x4b5b14
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x4b5ad4
add ebx, ebx
jne 0x4b5b21
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x4b5b16
jne 0x4b5b32
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x4b5b16
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x4b5b54
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x4b5b46
jmp 0x4b5a96
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x4b5b54
add edi, ecx
jmp 0x4b5a96
pop esi
mov edi, esi
mov ecx, 0x377e
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x4b5b72
cmp byte [edi], 0x11
jne 0x4b5b72
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x4b5b77
lea edi, [esi + 0xb1000]
mov eax, dword [edi]
or eax, eax
je 0x4b5bef
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xba17c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xba2d0]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x4b5ba4
mov ecx, edi
jns 0x4b5bd3
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0xba2d4]
or eax, eax
je 0x4b5be9
mov dword [ebx], eax
add ebx, 4
jmp 0x4b5bc1
call dword [esi + 0xba2e4]
mov ebp, dword [esi + 0xba2d8]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x22f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x4b5c23
sub esp, 0xffffff80
jmp 0x416310
Function at 0x401728
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x50
push ebp
lea eax, [esp + 0x28]
push edi
push eax
call fcn.004018d8
mov ecx, dword [esp + 0x5c]
xor edx, edx
xor ebp, ebp
mov dword [esp + 0xc], 1
mov edi, dword [ecx]
mov dword [esp + 0x10], 8
mov dword [esp + 0x14], 2
mov dword [esp + 0x18], 4
mov dx, word [edi + 0x14]
cmp word [edi + 6], bp
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x20], 0x80
mov dword [esp + 0x24], 0x20
mov dword [esp + 0x28], 0x40
lea eax, [edx + edi + 0x18]
jbe 0x401826
push ebx
push esi
lea ebx, [eax + 0x24]
mov eax, dword [ebx]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x4017c9
mov eax, dword [ebx - 0x14]
mov ecx, dword [ebx - 0x1c]
push 0x4000
push eax
push ecx
call dword [esp + 0x4c]
jmp 0x40180c
lea edx, [edx + ecx*2]
test eax, 0x4000000
lea ecx, [esi + edx*2]
mov esi, dword [esp + ecx*4 + 0x14]
je 0x4017e0
or esi, 0x200
mov edx, dword [ebx - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x4017fb
test al, 0x40
je 0x4017f2
mov ecx, dword [edi + 0x20]
jmp 0x4017f9
test al, 0x80
je 0x40180c
mov ecx, dword [edi + 0x24]
test ecx, ecx
jbe 0x40180c
mov ecx, dword [ebx - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [esp + 0x44]
mov edx, dword [esp + 0x64]
xor eax, eax
inc ebp
add ebx, 0x28
mov edi, dword [edx]
mov ax, word [edi + 6]
cmp ebp, eax
jl 0x401798
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x50
ret
Function at 0x4b4100
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x5134ab
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.0050795a
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4b4182
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0050577a
mov eax, dword [eax]
push 0x5451d0
push eax
call fcn.004f7b44
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00507be5
test bl, bl
je 0x4b4182
push 0x5451d0
lea ecx, [esp + 0xc]
call fcn.00507f75
push 0x548d4c
lea ecx, [esp + 0xc]
call fcn.00507f75
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 0x4b41be
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00507be5
jmp 0x4b4289
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 0x4b4242
lea edx, [esp + 0x7c]
push 0x548d48
push edx
call fcn.004f7b44
add esp, 8
test eax, eax
je 0x4b4242
lea eax, [esp + 0x7c]
push 0x548d44
push eax
call fcn.004f7b44
add esp, 8
test eax, eax
je 0x4b4242
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 0x4b41d2
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.00507be5
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 0x4b4a80
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 0x4b4ae2
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 0x4b4af0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x51352b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x54f500]
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 0x4b4c28
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4b4b56
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00507be5
xor eax, eax
jmp 0x4b4c9f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00507d22
push esi
lea ecx, [esp + 0xc]
call fcn.00507fb1
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 0x4b4c7d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocString
call fcn.004b4a80
test eax, eax
jne 0x4b4c7d
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 SysReAllocString
mov ecx, edi
call fcn.004b4a80
test eax, eax
jne 0x4b4c7d
lea eax, [esp + 0x14]
push 0x548d60
push eax
call fcn.004f8c50
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b4c5c
lea ecx, [esp + 0x14]
push 0x548d5c
push ecx
call fcn.004f8bd0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b4c5c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x4b4c5f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00507cd2
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4b4b6e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00507be5
xor eax, eax
jmp 0x4b4c9f
mov byte [esi], 0
push 0x548d58
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.00507be5
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 0x4c56e0
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 0x4c574e
cmp si, 0x69
ja 0x4c574e
add esi, 0xffd0
cmp si, 0x11
je 0x4c571e
push 0x11
call edi
test ax, ax
jge 0x4c571e
or esi, 0x2000
cmp si, 0x10
je 0x4c5733
push 0x10
call edi
test ax, ax
jge 0x4c5733
or esi, 0x4000
cmp si, 0x12
je 0x4c5748
push 0x12
call edi
test ax, ax
jge 0x4c5748
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4c575b
mov esi, 0xbd
jmp 0x4c570f
cmp si, 0x6e
jne 0x4c5768
mov esi, 0xbe
jmp 0x4c570f
cmp si, 0x6f
jne 0x4c5709
mov esi, 0xbf
jmp 0x4c570f

Function at 0x4c6e90
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x55fc20]
xor edx, edx
cmp eax, edx
jne 0x4c6eb6
xor eax, eax
mov byte [eax + 0x55fb20], al
inc eax
cmp eax, 0x100
jl 0x4c6e9e
mov dword [0x55fc20], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x55fb20
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4c6f47
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 0x4c6f1a
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 0x4c6ee8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4c6fc0
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 0x4c7013
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 0x4c6ffa
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
Function at 0x4cda50
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x4cdbe8
cmp ebp, ebx
jle 0x4cdbe8
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x4cdaae
dec eax
or eax, 0xfffffff8
inc eax
je 0x4cdab5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x4cdac4
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x4cdacb
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00507926
add esp, 4
cmp eax, ebx
je 0x4cdaec
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.00507926
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x4cdbde
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x4cdbc5
mov al, byte [edx]
cmp al, 0xc0
jbe 0x4cdbb1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x4cdba6
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x4cdbb4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x4cdbb4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4cdb50
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x4cdb41
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret