joyce8/EMBER2024-capa huggingface dataset:
Function at 0xefc2ef
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x68
mov eax, dword [esp + 0x78]
push ebx
push esi
cmp eax, 1
push edi
mov dword [esp + 0x14], ecx
jl 0xefc510
cmp eax, 8
jg 0xefc510
cmp dword [esp + 0x8c], 2
jl 0xefc510
mov eax, dword [esp + 0x7c]
mov esi, dword [eax]
mov edi, dword [eax + 4]
mov ecx, dword [eax + 8]
mov dword [esp + 0x6c], ecx
sub ecx, esi
mov ebx, dword [eax + 0xc]
mov dword [esp + 0x7c], ecx
test ecx, ecx
mov dword [esp + 0x70], ebx
jle 0xefc510
sub ebx, edi
test ebx, ebx
mov dword [esp + 0x20], ebx
jle 0xefc510
mov eax, dword [esp + 0x80]
test eax, eax
je 0xefc376
mov edx, dword [eax]
mov dword [esp + 0x44], edx
mov edx, dword [eax + 4]
mov dword [esp + 0x48], edx
mov edx, dword [eax + 8]
mov dword [esp + 0x4c], edx
mov eax, dword [eax + 0xc]
mov dword [esp + 0x50], eax
xor edx, edx
push ebp
test ebx, ebx
mov dword [esp + 0x1c], 1
mov dword [esp + 0x14], edx
jle 0xefc4f9
mov ebp, dword [fcn.0046f3f8]
mov eax, ebx
mov dword [esp + 0x10], 0x32
sub eax, edx
cmp eax, 0x32
jg 0xefc3a8
mov dword [esp + 0x10], eax
xor eax, eax
test ecx, ecx
jle 0xefc4e0
mov ebx, dword [esp + 0x10]
add ebx, edx
mov dword [esp + 0x20], ebx
sub ecx, eax
cmp ecx, 0x32
jle 0xefc3c8
mov ecx, 0x32
lea ebx, [ecx + eax]
mov ecx, dword [esp + 0x20]
push ecx
push ebx
push edx
lea edx, [esp + 0x34]
push eax
push edx
call dword [fcn.0046f420]
push edi
lea eax, [esp + 0x2c]
push esi
push eax
call ebp
mov eax, dword [esp + 0x84]
test eax, eax
je 0xefc407
lea ecx, [esp + 0x48]
lea edx, [esp + 0x28]
push ecx
lea eax, [esp + 0x2c]
push edx
push eax
call dword [fcn.0046f41c]
lea ecx, [esp + 0x28]
push ecx
call dword [fcn.0046f410]
test eax, eax
jne 0xefc4c7
mov eax, dword [esp + 0x2c]
mov edx, dword [esp + 0x28]
mov ecx, dword [esp + 0x30]
mov dword [esp + 0x3c], eax
mov dword [esp + 0x38], edx
mov edx, dword [esp + 0x34]
mov dword [esp + 0x40], ecx
mov eax, edi
mov ecx, esi
mov dword [esp + 0x44], edx
neg eax
neg ecx
push eax
lea edx, [esp + 0x3c]
push ecx
push edx
call ebp
mov edx, dword [esp + 0x40]
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x3c]
mov dword [esp + 0x60], edx
lea edx, [esp + 0x58]
mov dword [esp + 0x58], eax
mov eax, dword [esp + 0x44]
push edx
mov edx, dword [esp + 0x94]
mov dword [esp + 0x60], ecx
mov ecx, dword [esp + 0x78]
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x74]
push edx
mov edx, dword [esp + 0x94]
sub ecx, edi
sub eax, esi
push edx
push ecx
mov ecx, dword [esp + 0x28]
push eax
mov eax, dword [esp + 0x9c]
push eax
call fcn.00efb8ff
cmp eax, 1
jne 0xefc4f1
mov ecx, dword [esp + 0x94]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
mov ecx, dword [esp + 0x80]
push edx
push eax
push ecx
mov ecx, dword [esp + 0x28]
call fcn.00efc1af
mov ecx, dword [esp + 0x80]
mov edx, dword [esp + 0x14]
mov eax, ebx
cmp eax, ecx
jl 0xefc3bc
mov ebx, dword [esp + 0x24]
add edx, dword [esp + 0x10]
cmp edx, ebx
mov dword [esp + 0x14], edx
jge 0xefc4f9
jmp 0xefc393
mov dword [esp + 0x1c], 0
mov ecx, dword [esp + 0x18]
call fcn.00efb4ff
mov eax, dword [esp + 0x1c]
pop ebp
pop edi
pop esi
pop ebx
add esp, 0x68
ret 0x1c
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x68
ret 0x1c
Function at 0xf057bf
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x49ea28]
xor edx, edx
cmp eax, edx
jne 0xf057e5
xor eax, eax
mov byte [eax + 0x49e928], al
inc eax
cmp eax, 0x100
jl 0xf057cd
mov dword [0x49ea28], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x49e928
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0xf05876
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 0xf05849
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 0xf05817
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0xf058ef
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 0xf05942
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 0xf05929
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 0xf06b5f
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x46d6b8
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 [fcn.0046f3fc]
push 0
lea ecx, [esp + 0x20]
call fcn.00f3d0ea
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.00f064ff
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.00f3d018
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.00f37b0d
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.00f37b0d
push 1
push 0
push 0
mov ecx, esi
call fcn.00f37ab5
push 1
push 0
push 1
mov ecx, esi
call fcn.00f37ab5
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.00f3d15c
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0xf06cdf
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x46d6d8
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.00f3d0ea
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.00f064ff
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.00f3d018
mov eax, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
push eax
call dword [fcn.0046f3fc]
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 0xf06da3
cmp dword [esp + 0x40], 1
jne 0xf06da1
cmp ecx, eax
jge 0xf06da3
mov eax, ecx
cmp eax, 0xc8
jge 0xf06daf
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.00f06b5f
mov ecx, dword [esi + 0x1c]
push 1
push 0
push ecx
call dword [fcn.0046f3e4]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.00f3d15c
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0xf0751f
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x46d743
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.00f35f2d
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], 0x4756e0
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], 0x473530
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 [fcn.0046f0f4]
push eax
mov ecx, edi
call fcn.00f3d392
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.00f3ed4b
test eax, eax
je 0xf0763b
mov ecx, dword [esp + 0x3c]
call fcn.00f3d3bf
mov ecx, dword [esi + 0x1c]
mov ebp, dword [fcn.0046f430]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0xf075ff
push edi
mov ecx, esi
call fcn.00f39bc9
mov ecx, esi
call fcn.00f0779f
cmp dword [esp + 0x38], 1
jne 0xf07634
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.00f39d33
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 0xf10a8f
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0xf10ac2
push esi
call fcn.00f13a2f
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0xf10abb
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 0xf10b48
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0xf10b31
mov eax, dword [esi + 8]
test eax, eax
je 0xf10ae6
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 0xf10b2d
cmp eax, 2
je 0xf10b31
mov ecx, dword [esi + 8]
test ecx, ecx
je 0xf10ad9
cmp eax, 3
je 0xf10b0c
cmp eax, 1
jne 0xf10ad9
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 0xf10ad9
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0xf10ad9
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.00f10b6f
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0xf10b57
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.00f10b6f
add esp, 4
pop esi
ret
Function at 0x6d1ca470
Capabilities:
Packed with generic packer

Disassembly:
cmp byte [esp + 8], 1
jne 0x6d1ca634
pushal
mov esi, 0x6d1c9015
lea edi, [esi - 0x8015]
push edi
jmp 0x6d1ca49a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x6d1ca4a1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x6d1ca490
mov eax, 1
add ebx, ebx
jne 0x6d1ca4b3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x6d1ca4a8
jne 0x6d1ca4c4
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x6d1ca4a8
xor ecx, ecx
sub eax, 3
jb 0x6d1ca4d8
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x6d1ca54a
mov ebp, eax
add ebx, ebx
jne 0x6d1ca4e3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x6d1ca4f0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x6d1ca514
inc ecx
add ebx, ebx
jne 0x6d1ca500
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x6d1ca4f5
jne 0x6d1ca511
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x6d1ca4f5
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x6d1ca534
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x6d1ca525
jmp 0x6d1ca496
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x6d1ca534
add edi, ecx
jmp 0x6d1ca496
pop esi
mov edi, esi
mov ecx, 0xe5
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x6d1ca552
cmp byte [edi], 1
jne 0x6d1ca552
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 0x6d1ca557
lea edi, [esi + 0x8000]
mov eax, dword [edi]
or eax, eax
je 0x6d1ca5c6
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xa000]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xa078]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x6d1ca584
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0xa07c]
or eax, eax
je 0x6d1ca5c0
mov dword [ebx], eax
add ebx, 4
jmp 0x6d1ca5a1
popal
xor eax, eax
ret 0xc
add edi, 4
lea ebx, [esi - 4]
xor eax, eax
mov al, byte [edi]
inc edi
or eax, eax
je 0x6d1ca5f7
cmp al, 0xef
ja 0x6d1ca5ea
add ebx, eax
mov eax, dword [ebx]
xchg ah, al
rol eax, 0x10
xchg ah, al
add eax, esi
mov dword [ebx], eax
jmp 0x6d1ca5cc
and al, 0xf
shl eax, 0x10
mov ax, word [edi]
add edi, 2
jmp 0x6d1ca5d9
mov ebp, dword [esi + 0xa080]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x19f]
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 0x6d1ca62b
sub esp, 0xffffff80
jmp 0x6d1c1060
Function at 0x412f00
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4b46fb
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.004a60f4
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x412f82
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004a2ee4
mov eax, dword [eax]
push 0x507210
push eax
call fcn.00494524
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004a637f
test bl, bl
je 0x412f82
push 0x507210
lea ecx, [esp + 0xc]
call fcn.004a675b
push 0x50ad8c
lea ecx, [esp + 0xc]
call fcn.004a675b
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 0x412fbe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004a637f
jmp 0x413089
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 0x413042
lea edx, [esp + 0x7c]
push 0x50ad88
push edx
call fcn.00494524
add esp, 8
test eax, eax
je 0x413042
lea eax, [esp + 0x7c]
push 0x50ad84
push eax
call fcn.00494524
add esp, 8
test eax, eax
je 0x413042
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 0x412fd2
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.004a637f
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 0x413880
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 0x4138e2
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 0x4138f0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4b477b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x51a394]
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 0x413a28
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x413956
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a637f
xor eax, eax
jmp 0x413a9f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004a6508
push esi
lea ecx, [esp + 0xc]
call fcn.004a6797
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x50adc4
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x413a7d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00413880
test eax, eax
jne 0x413a7d
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.00413880
test eax, eax
jne 0x413a7d
lea eax, [esp + 0x14]
push 0x50ada0
push eax
call fcn.00495600
mov esi, eax
add esp, 8
test esi, esi
jne 0x413a5c
lea ecx, [esp + 0x14]
push 0x50ad9c
push ecx
call fcn.00495580
mov esi, eax
add esp, 8
test esi, esi
jne 0x413a5c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x413a5f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004a64b8
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41396e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a637f
xor eax, eax
jmp 0x413a9f
mov byte [esi], 0
push 0x50ad98
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.004a637f
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 0x4273d0
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 0x42743e
cmp si, 0x69
ja 0x42743e
add esi, 0xffd0
cmp si, 0x11
je 0x42740e
push 0x11
call edi
test ax, ax
jge 0x42740e
or esi, 0x2000
cmp si, 0x10
je 0x427423
push 0x10
call edi
test ax, ax
jge 0x427423
or esi, 0x4000
cmp si, 0x12
je 0x427438
push 0x12
call edi
test ax, ax
jge 0x427438
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42744b
mov esi, 0xbd
jmp 0x4273ff
cmp si, 0x6e
jne 0x427458
mov esi, 0xbe
jmp 0x4273ff
cmp si, 0x6f
jne 0x4273f9
mov esi, 0xbf
jmp 0x4273ff

Function at 0x428ab0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x52b240]
xor edx, edx
cmp eax, edx
jne 0x428ad6
xor eax, eax
mov byte [eax + 0x52b140], al
inc eax
cmp eax, 0x100
jl 0x428abe
mov dword [0x52b240], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x52b140
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x428b67
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 0x428b3a
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 0x428b08
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x428be0
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 0x428c33
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 0x428c1a
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