joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c8bf0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
test esi, esi
jne 0x4c8c00
xor eax, eax
pop esi
pop ebp
ret
mov eax, dword [ebp + 8]
push edi
mov edi, dword [ebp + 0x10]
not eax
test edi, edi
je 0x4c8c42
nop dword [eax]
mov cl, byte [esi]
lea esi, [esi + 1]
movzx edx, cl
mov ecx, edx
shr edx, 4
xor ecx, eax
shr eax, 4
and ecx, 0xf
xor eax, dword [ecx*4 + 0x5336d0]
mov ecx, eax
shr eax, 4
and ecx, 0xf
xor edx, ecx
xor eax, dword [edx*4 + 0x5336d0]
sub edi, 1
jne 0x4c8c10
pop edi
not eax
pop esi
pop ebp
ret

Function at 0x4c9740
Capabilities:
Enumerate pe sections

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
push esi
push dword [ebp + 8]
call fcn.004c99b0
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x4c984c
mov edi, dword [ebp + 0x10]
test edi, edi
je 0x4c984c
mov eax, dword [ebp + 8]
mov dword [edi], esi
mov ecx, dword [eax + 0x38]
mov eax, dword [ecx + 0x10]
mov eax, dword [eax + esi*4]
mov dword [edi + 4], eax
movzx eax, word [ebx + 4]
mov word [edi + 8], ax
movzx eax, word [ebx + 6]
mov word [edi + 0xa], ax
movzx eax, word [ebx + 8]
mov word [edi + 0xc], ax
movzx eax, word [ebx + 0xa]
mov word [edi + 0xe], ax
movzx eax, word [ebx + 0xe]
push eax
movzx eax, word [ebx + 0xc]
push eax
call fcn.004c8d40
mov dword [edi + 0x10], eax
mov esi, 0x103
mov eax, dword [ebx + 0x10]
mov dword [edi + 0x14], eax
mov eax, dword [ebx + 0x14]
mov dword [edi + 0x18], eax
mov dword [edi + 0x1c], 0
mov eax, dword [ebx + 0x18]
mov dword [edi + 0x20], eax
mov dword [edi + 0x24], 0
movzx eax, word [ebx + 0x24]
mov word [edi + 0x28], ax
mov eax, dword [ebx + 0x26]
mov dword [edi + 0x2c], eax
mov eax, dword [ebx + 0x2a]
mov dword [edi + 0x30], eax
mov dword [edi + 0x34], 0
movzx eax, word [ebx + 0x1c]
cmp eax, esi
cmovb esi, eax
lea eax, [ebx + 0x2e]
push esi
push eax
lea eax, [edi + 0x3c]
push eax
call fcn.004efc50
mov byte [esi + edi + 0x3c], 0
mov esi, 0xff
movzx eax, word [ebx + 0x20]
cmp eax, esi
cmovb esi, eax
mov dword [edi + 0x38], esi
movzx ecx, word [ebx + 0x1e]
movzx eax, word [ebx + 0x1c]
add ecx, 0x2e
add ecx, ebx
add eax, ecx
push esi
push eax
lea eax, [edi + 0x140]
push eax
call fcn.004efc50
add esp, 0x20
mov byte [esi + edi + 0x140], 0
mov eax, 1
pop edi
pop esi
pop ebx
pop ebp
ret
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
Function at 0x4ef596
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x4ef5d5
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4ef5d5
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4ef5d5
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x4ef5d5
cmp dword [ecx + 0x74], 0xe
jbe 0x4ef5d5
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x4f7939
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.004ee910
mov eax, dword [0x55b598]
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.00503441
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x4f797b
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x4f7ad7
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.004eeed0
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 + 0x561ba0]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.00505b96
mov ecx, dword [esi*4 + 0x561ba0]
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 0x4f7ad0
cmp eax, dword [edi + ecx + 0x24]
jne 0x4f7ad0
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 0x4f7ad0
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00505b96
add esp, 0x14
test edx, edx
jl 0x4f7ad0
jg 0x4f7a46
test eax, eax
jb 0x4f7ad0
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x4f7ad0
jl 0x4f7a60
cmp dword [ebp - 0x1008], eax
ja 0x4f7ad0
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x4f7a7e
test ebx, ebx
je 0x4f7ab7
cmp ecx, edi
jae 0x4f7ab7
mov al, byte [ecx]
cmp al, 0xd
jne 0x4f7a98
lea eax, [edi - 1]
cmp ecx, eax
jae 0x4f7aa4
cmp byte [ecx + 1], 0xa
jne 0x4f7aa4
inc ecx
jmp 0x4f7aa4
movzx eax, al
movsx eax, byte [eax + 0x55b828]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x4f7a7e
cmp edx, ebx
jne 0x4f7a7e
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x4f7ad5
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.004ee2fb
leave
ret
Function at 0x504e9a
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 + 0x561ba0]
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 0x504eda
cmp byte [ebx], 0xa
jne 0x504eda
or byte [eax + edi + 0x28], 4
jmp 0x504edf
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x504fdd
mov al, byte [edx]
cmp al, 0x1a
je 0x504fbf
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x504f0e
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x504f33
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x504f3d
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 0x504ef0
jmp 0x504fdd
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 0x504fba
cmp dword [ebp - 0xc], 0
je 0x504fba
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x561ba0]
test byte [eax + edi + 0x28], 0x48
je 0x504f94
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x504f7f
mov byte [esi], dl
jmp 0x504f90
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x561ba0]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x504fdd
cmp byte [ebp - 1], 0xa
jne 0x504fa3
cmp esi, ebx
jne 0x504fa3
mov byte [esi], 0xa
jmp 0x504fdc
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.00505bb4
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x504fdd
mov byte [esi], 0xd
jmp 0x504fdc
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x561ba0]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x504fd9
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x504fdd
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x504fe6
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 + 0x561ba0]
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 0x505029
cmp word [esi], dx
jne 0x505029
or byte [edi + eax + 0x28], 4
jmp 0x50502e
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 0x505181
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 0x505161
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x505070
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x5050a6
cmp eax, edx
jae 0x5050b2
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 0x505048
jmp 0x505181
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 0x50515d
cmp dword [ebp - 0x14], 0
je 0x50515d
mov eax, dword [ebx*4 + 0x561ba0]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x505135
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x5050fe
mov word [esi], cx
jmp 0x505131
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x561ba0]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x561ba0]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x561ba0]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x505181
pop ebx
cmp word [ebp - 4], bx
jne 0x505146
cmp esi, dword [ebp + 0xc]
jne 0x505146
mov word [esi], bx
jmp 0x50517e
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.00505bb4
add esp, 0x10
cmp word [ebp - 4], bx
je 0x505181
push 0xd
jmp 0x50517a
mov ecx, dword [ebx*4 + 0x561ba0]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x505178
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x505181
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 0x5059a2
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00505813
Function at 0x506e47
Capabilities:
Allocate thread local storage

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x53d754
push 0x53d74c
push str.FlsAlloc
push 0x1e
call fcn.00506c74
mov esi, eax
add esp, 0x10
test esi, esi
je 0x506e7b
push dword [ebp + 8]
mov ecx, esi
call dword [0x528430]
call esi
jmp 0x506e81
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
pop esi
pop ebp
ret 4

Function at 0x506ec5
Capabilities:
Get thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x53d764
push 0x53d75c
push str.FlsGetValue
push 0x20
call fcn.00506c74
mov esi, eax
add esp, 0x10
test esi, esi
je 0x506efc
push dword [ebp + 8]
mov ecx, esi
call dword [0x528430]
call esi
pop esi
pop ebp
ret 4
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsGetValue]
Function at 0x50c71c
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 0x50c7b9
push ebx
push esi
call fcn.0050c6e5
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.00507afd
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x50c766
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x50c7b8
push edi
push eax
call fcn.00502550
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x50c786
call fcn.00502516
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x50c7b7
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.00507afd
add esp, 0x20
test eax, eax
jne 0x50c7a5
push edi
call fcn.00502516
jmp 0x50c7ad
push ebx
call fcn.00502516
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 0x50c7bc
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0x50c7cd
pop esi
ret
push ebx
push edi
push esi
call fcn.0050c6e5
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.00502550
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x50c7f5
push ebx
push esi
push edi
call fcn.004efc50
add esp, 0xc
push 0
call fcn.00502516
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret

Function at 0x50cbb9
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0050c80a
Function at 0x51284e
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.005127ca
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x5129c6
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x5129c6
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x512975
jg 0x5128a7
test eax, eax
je 0x51296b
push 1
push 0x1000
call fcn.00504697
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x5128cd
mov eax, dword [ebp + 0x14]
push 0xc
pop edi
mov byte [eax + 0x1c], 1
mov dword [eax + 0x18], edi
jmp 0x512962
push 0x8000
push ebx
call fcn.005005c9
mov edi, dword [ebp + 0x14]
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x5128f9
jg 0x5128f4
cmp ecx, 0x1000
jb 0x5128f9
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.005064ff
add esp, 0x10
cmp eax, 0xffffffff
je 0x51293e
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0x5128f4
jl 0x512925
test ecx, ecx
jne 0x5128e6
push dword [ebp - 0xc]
push ebx
call fcn.005005c9
push esi
call fcn.00502516
add esp, 0xc
xor edi, edi
jmp 0x5129d7
cmp byte [edi + 0x24], 0
je 0x512955
cmp dword [edi + 0x20], 5
jne 0x512955
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x512960
mov edi, dword [edi + 0x18]
jmp 0x512962
xor edi, edi
push esi
call fcn.00502516
pop ecx
jmp 0x5129d7
test ecx, ecx
jg 0x512937
jl 0x512975
test eax, eax
jae 0x512937
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00505bb4
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x512998
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0x512937
jmp 0x5129cf
push ebx
call fcn.005091bc
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x512937
mov esi, dword [ebp + 0x14]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [esi + 0x24], 1
mov dword [esi + 0x20], eax
pop edi
mov byte [esi + 0x1c], 1
mov dword [esi + 0x18], edi
jmp 0x5129d7
mov edi, dword [ebp + 0x14]
cmp byte [edi + 0x1c], 0
je 0x5129d4
mov edi, dword [edi + 0x18]
jmp 0x5129d7
push 0x16
pop edi
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.00505bb4
add esp, 0x10
mov eax, edi
pop edi
pop esi
pop ebx
leave
ret

Function at 0x513d60
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x513d8d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x513d8d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x40c250
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46c4db
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.00461033
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40c2d2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045ef4a
mov eax, dword [eax]
push 0x4821e4
push eax
call fcn.00451cc4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004612be
test bl, bl
je 0x40c2d2
push 0x4821e4
lea ecx, [esp + 0xc]
call fcn.0046164e
push 0x485d54
lea ecx, [esp + 0xc]
call fcn.0046164e
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 0x40c30e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004612be
jmp 0x40c3d9
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 0x40c392
lea edx, [esp + 0x7c]
push 0x485d50
push edx
call fcn.00451cc4
add esp, 8
test eax, eax
je 0x40c392
lea eax, [esp + 0x7c]
push 0x485d4c
push eax
call fcn.00451cc4
add esp, 8
test eax, eax
je 0x40c392
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 0x40c322
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.004612be
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 0x40d630
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 0x40d692
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 0x40d6a0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46c63b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x48c678]
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 0x40d7d8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40d706
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004612be
xor eax, eax
jmp 0x40d84f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004613fb
push esi
lea ecx, [esp + 0xc]
call fcn.0046168a
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 0x40d82d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040d630
test eax, eax
jne 0x40d82d
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.0040d630
test eax, eax
jne 0x40d82d
lea eax, [esp + 0x14]
push 0x485d68
push eax
call fcn.00452d00
mov esi, eax
add esp, 8
test esi, esi
jne 0x40d80c
lea ecx, [esp + 0x14]
push 0x485d64
push ecx
call fcn.00452c80
mov esi, eax
add esp, 8
test esi, esi
jne 0x40d80c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40d80f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004613ab
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40d71e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004612be
xor eax, eax
jmp 0x40d84f
mov byte [esi], 0
push 0x485d60
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.004612be
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 0x41deb0
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 0x41df1e
cmp si, 0x69
ja 0x41df1e
add esi, 0xffd0
cmp si, 0x11
je 0x41deee
push 0x11
call edi
test ax, ax
jge 0x41deee
or esi, 0x2000
cmp si, 0x10
je 0x41df03
push 0x10
call edi
test ax, ax
jge 0x41df03
or esi, 0x4000
cmp si, 0x12
je 0x41df18
push 0x12
call edi
test ax, ax
jge 0x41df18
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41df2b
mov esi, 0xbd
jmp 0x41dedf
cmp si, 0x6e
jne 0x41df38
mov esi, 0xbe
jmp 0x41dedf
cmp si, 0x6f
jne 0x41ded9
mov esi, 0xbf
jmp 0x41dedf

Function at 0x41f6e0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x49ccc8]
xor edx, edx
cmp eax, edx
jne 0x41f706
xor eax, eax
mov byte [eax + 0x49cbc8], al
inc eax
cmp eax, 0x100
jl 0x41f6ee
mov dword [0x49ccc8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x49cbc8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41f797
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 0x41f76a
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 0x41f738
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41f810
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 0x41f863
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 0x41f84a
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