joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d7050
Capabilities:
Encrypt data using rc6

Disassembly:
push ecx
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, ecx
mov ebx, eax
mov ecx, eax
mov edx, eax
and ebx, 0x1000
and eax, 1
shr ecx, 0x10
shl edx, 0x10
or ebx, ecx
or edx, eax
shr ebx, 8
shl edx, 8
push edi
or ebx, edx
mov dword [esi + 8], 0xb7e15163
lea eax, [esi + 0xc]
mov ecx, 0x23
mov edx, dword [eax - 4]
add eax, 4
sub edx, 0x61c88647
dec ecx
mov dword [eax - 4], edx
jne 0x4d708b
xor ebp, ebp
xor edi, edi
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], 0x6c
push 3
mov ecx, esi
call fcn.004d7120
push eax
mov eax, dword [esp + 0x1c]
add eax, ebp
mov ebp, dword [esi + edi*4 + 8]
add eax, ebp
mov ecx, esi
push eax
call fcn.004d7150
mov ecx, dword [esp + 0x18]
mov ebp, eax
mov dword [esi + edi*4 + 8], eax
lea eax, [ecx + ebp]
mov ecx, esi
push eax
mov dword [esp + 0x1c], eax
call fcn.004d7120
mov edx, dword [esp + 0x18]
push eax
add edx, ebx
mov ecx, esi
push edx
call fcn.004d7150
mov ebx, eax
lea eax, [edi + 1]
xor edx, edx
mov ecx, 0x24
div ecx
mov eax, dword [esp + 0x10]
mov dword [esp + 0x18], ebx
dec eax
mov dword [esp + 0x10], eax
mov edi, edx
jne 0x4d70ad
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret 4

Function at 0x4d7250
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x60
mov ecx, 8
lea eax, [esp]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x74]
push edi
lea edi, [esp + 0x10]
push 0x30
push 0x50bdd4
rep movsd dword es:[edi], dword [esi]
push eax
call fcn.004d7170
mov esi, dword [esp + 0x80]
lea ecx, [esp + 0x1c]
add esp, 0xc
xor eax, eax
sub esi, ecx
mov bl, byte [esp + eax + 0x10]
lea ecx, [esp + eax + 0x10]
mov dl, byte [esi + ecx]
xor dl, bl
mov byte [esp + eax + 0x40], dl
inc eax
cmp eax, 0x30
jl 0x4d7289
mov ebp, dword [esp + 0x7c]
xor ebx, ebx
lea ecx, [esp + 0x45]
lea esi, [ebp + 2]
movsx eax, byte [ecx - 5]
movsx edx, byte [ecx]
lea eax, [edx + eax*2]
movsx edx, byte [ecx - 4]
lea eax, [edx + eax*2]
movsx edx, byte [ecx - 3]
lea eax, [edx + eax*2]
movsx edx, byte [ecx - 2]
lea eax, [edx + eax*2]
movsx edx, byte [ecx - 1]
lea eax, [edx + eax*2]
lea edi, [ebx + eax]
mov eax, dword [edi*4 + 0x50bf14]
cdq
and edx, 7
add eax, edx
sar eax, 3
movsx eax, al
and eax, 0x80000001
jns 0x4d72f5
dec eax
or eax, 0xfffffffe
inc eax
mov byte [esi - 2], al
mov eax, dword [edi*4 + 0x50bf14]
cdq
and edx, 3
add eax, edx
sar eax, 2
movsx edx, al
and edx, 0x80000001
jns 0x4d7318
dec edx
or edx, 0xfffffffe
inc edx
mov byte [esi - 1], dl
mov eax, dword [edi*4 + 0x50bf14]
cdq
sub eax, edx
sar eax, 1
movsx eax, al
and eax, 0x80000001
jns 0x4d7336
dec eax
or eax, 0xfffffffe
inc eax
mov byte [esi], al
movsx edx, byte [edi*4 + 0x50bf14]
and edx, 0x80000001
jns 0x4d734d
dec edx
or edx, 0xfffffffe
inc edx
mov byte [esi + 1], dl
add ebx, 0x40
add ecx, 6
add esi, 4
cmp ebx, 0x200
jl 0x4d72ad
push 0x20
push 0x50be94
push ebp
call fcn.004d7170
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x60
ret
Function at 0x4d7380
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x50c
mov ecx, dword [esp + 0x514]
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x520]
sub ecx, edi
lea ebp, [esp + 0x5c]
mov dword [esp + 0x18], ecx
mov dword [esp + 0x14], 8
jmp 0x4d73b0
mov ecx, dword [esp + 0x18]
mov cl, byte [ecx + edi]
mov dl, byte [edi]
mov byte [esp + 0x13], cl
mov esi, ebp
lea ecx, [esp + 0x5c]
xor eax, eax
mov byte [esp + 0x12], dl
mov edx, 7
sub esi, ecx
mov bl, byte [esp + 0x13]
mov cl, dl
sar bl, cl
lea ecx, [esi + eax]
and bl, 1
mov byte [esp + ecx + 0x5c], bl
mov bl, byte [esp + 0x12]
mov cl, dl
sar bl, cl
lea ecx, [esi + eax]
and bl, 1
inc eax
dec edx
cmp eax, 8
mov byte [esp + ecx + 0x1c], bl
jl 0x4d73cc
mov eax, dword [esp + 0x14]
inc edi
add ebp, 8
dec eax
mov dword [esp + 0x14], eax
jne 0x4d73ac
push 0x40
lea edx, [esp + 0x20]
push 0x50b9f4
push edx
call fcn.004d7170
push 0x38
lea eax, [esp + 0x6c]
push str.91__
push eax
call fcn.004d7170
add esp, 0x18
lea ebp, [esp + 0x11c]
mov ebx, 0x50bcd4
mov ecx, dword [ebx]
lea edx, [esp + 0x5c]
push ecx
push edx
call fcn.004d71f0
mov edi, ebp
add ebx, 4
add esp, 8
mov ecx, 0x10
lea esi, [esp + 0x5c]
add ebp, 0x40
cmp ebx, 0x50bd14
rep movsd dword es:[edi], dword [esi]
jl 0x4d7437
push 0x30
lea eax, [esp + 0x4e0]
push 0x50bd14
push eax
call fcn.004d7170
mov ecx, 8
lea esi, [esp + 0x28]
lea edi, [esp + 0xe8]
lea edx, [esp + 0x28]
rep movsd dword es:[edi], dword [esi]
mov ecx, 8
lea esi, [esp + 0x48]
lea edi, [esp + 0x28]
lea eax, [esp + 0x4e8]
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0xa8]
push ecx
push edx
push eax
call fcn.004d7250
add esp, 0x18
xor eax, eax
mov cl, byte [esp + eax + 0x9c]
mov bl, byte [esp + eax + 0xdc]
xor cl, bl
mov byte [esp + eax + 0x1c], cl
inc eax
cmp eax, 0x20
jl 0x4d74b6
lea ebx, [esp + 0x49c]
mov ebp, 0xf
mov ecx, 8
lea esi, [esp + 0x3c]
lea edi, [esp + 0xdc]
push 0x30
rep movsd dword es:[edi], dword [esi]
mov ecx, 8
lea esi, [esp + 0x20]
lea edi, [esp + 0x40]
push 0x50bd14
rep movsd dword es:[edi], dword [esi]
push ebx
call fcn.004d7170
lea edx, [esp + 0xa8]
lea eax, [esp + 0x28]
push edx
push eax
push ebx
call fcn.004d7250
add esp, 0x18
xor eax, eax
mov cl, byte [esp + eax + 0x9c]
mov dl, byte [esp + eax + 0xdc]
xor cl, dl
mov byte [esp + eax + 0x1c], cl
inc eax
cmp eax, 0x20
jl 0x4d7522
sub ebx, 0x40
dec ebp
jne 0x4d74dc
push 0x40
lea edx, [esp + 0x20]
push 0x50baf4
push edx
call fcn.004d7170
mov eax, dword [esp + 0x534]
lea ecx, [esp + 0x28]
push eax
push ecx
call fcn.004d71b0
add esp, 0x14
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x50c
ret
Function at 0x4d86d0
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x20
mov al, 0x62
mov edx, dword [esp + 0x24]
mov byte [esp + 5], al
mov byte [esp + 0xd], al
xor eax, eax
mov ecx, dword [ecx + 0x10]
mov dword [esp + 0x10], eax
push edx
mov dword [esp + 0x18], eax
mov byte [esp + 4], 0x12
mov dword [esp + 0x1c], eax
mov byte [esp + 5], 0x22
mov dword [esp + 0x20], eax
push eax
lea eax, [esp + 8]
mov byte [esp + 0xa], 0x32
push eax
push 0
push 1
mov byte [esp + 0x17], 0x42
mov byte [esp + 0x18], 0x5a
mov byte [esp + 0x1a], 0x72
mov byte [esp + 0x1b], 0x82
mov byte [esp + 0x1c], 0xff
mov byte [esp + 0x1d], 0x24
mov byte [esp + 0x1e], 0x3a
mov byte [esp + 0x1f], 0x44
mov byte [esp + 0x20], 0x53
mov byte [esp + 0x22], 0xc4
mov byte [esp + 0x23], 0x84
call fcn.004d9050
neg eax
sbb eax, eax
inc eax
add esp, 0x20
ret 4
Function at 0x4d9a40
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, ecx
mov edx, 1
cmp dword [esi + 0x1c], edx
jbe 0x4d9b4b
push ebx
push edi
lea eax, [esi + 0x32]
xor ebx, ebx
xor ecx, ecx
mov bl, byte [eax - 1]
mov cl, byte [eax + 1]
add eax, 0x10
mov edi, dword [ebx*4 + 0x50ee20]
mov ecx, dword [ecx*4 + 0x50f620]
xor ebx, ebx
xor ecx, edi
mov bl, byte [eax - 0x10]
mov edi, dword [ebx*4 + 0x50f220]
xor ebx, ebx
mov bl, byte [eax - 0x12]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ea20]
xor ebx, ebx
xor ecx, edi
mov dword [eax - 0x12], ecx
mov bl, byte [eax - 0xc]
xor ecx, ecx
mov cl, byte [eax - 0xb]
mov edi, dword [ebx*4 + 0x50f220]
xor ebx, ebx
mov ecx, dword [ecx*4 + 0x50f620]
mov bl, byte [eax - 0xd]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ee20]
xor ebx, ebx
mov bl, byte [eax - 0xe]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ea20]
xor ebx, ebx
xor ecx, edi
mov dword [eax - 0xe], ecx
mov bl, byte [eax - 8]
xor ecx, ecx
mov cl, byte [eax - 7]
mov edi, dword [ebx*4 + 0x50f220]
xor ebx, ebx
mov ecx, dword [ecx*4 + 0x50f620]
mov bl, byte [eax - 9]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ee20]
xor ebx, ebx
mov bl, byte [eax - 0xa]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ea20]
xor ebx, ebx
xor ecx, edi
mov dword [eax - 0xa], ecx
mov bl, byte [eax - 4]
xor ecx, ecx
mov cl, byte [eax - 3]
mov edi, dword [ebx*4 + 0x50f220]
xor ebx, ebx
mov ecx, dword [ecx*4 + 0x50f620]
mov bl, byte [eax - 5]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ee20]
xor ebx, ebx
mov bl, byte [eax - 6]
xor ecx, edi
mov edi, dword [ebx*4 + 0x50ea20]
xor ecx, edi
inc edx
mov dword [eax - 6], ecx
mov ecx, dword [esi + 0x1c]
cmp edx, ecx
jb 0x4d9a56
pop edi
pop ebx
pop esi
ret
Function at 0x4db2c0
Capabilities:
Contain obfuscated stackstrings

Disassembly:
mov al, byte [0x515790]
sub esp, 0x20
push ebx
mov ebx, 1
test bl, al
jne 0x4db2f3
mov dl, al
mov ecx, 0x515680
or dl, bl
mov byte [0x515790], dl
call fcn.004d9030
push 0x4db3e0
call fcn.004dbbc3
add esp, 4
mov eax, dword [0x515794]
test eax, eax
jne 0x4db387
mov al, 0x3a
lea ecx, [esp + 4]
mov byte [esp + 6], al
mov byte [esp + 0xe], al
xor eax, eax
mov byte [esp + 4], 0x18
mov dword [esp + 0x14], eax
mov byte [esp + 5], 0x29
mov dword [esp + 0x18], eax
mov byte [esp + 7], 0x47
mov dword [esp + 0x1c], eax
mov byte [esp + 8], 0x57
push eax
push eax
push ecx
push ebx
push ebx
mov ecx, 0x515680
mov byte [esp + 0x1d], 0x67
mov byte [esp + 0x1e], 0x77
mov byte [esp + 0x1f], 0x87
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], 0x24
mov byte [esp + 0x23], 0x44
mov byte [esp + 0x24], 0x53
mov byte [esp + 0x25], 0x62
mov byte [esp + 0x26], 0xc4
mov byte [esp + 0x27], 0x84
mov dword [esp + 0x34], eax
call fcn.004d9050
test eax, eax
je 0x4db381
or eax, 0xffffffff
pop ebx
add esp, 0x20
ret
mov dword [0x515794], ebx
mov eax, dword [esp + 0x2c]
push esi
push edi
xor edi, edi
xor esi, esi
test eax, eax
jle 0x4db3d0
mov ebx, dword [esp + 0x38]
push ebp
mov ebp, dword [esp + 0x34]
lea edx, [edi + ebx]
lea eax, [esi + ebp]
push edx
push 0x80
push eax
mov ecx, 0x515680
call fcn.004d94c0
test eax, eax
jle 0x4db3c4
cdq
and edx, 7
add eax, edx
sar eax, 3
add edi, eax
mov eax, dword [esp + 0x38]
add esi, 0x10
cmp esi, eax
jl 0x4db39e
pop ebp
mov eax, edi
pop edi
pop esi
pop ebx
add esp, 0x20
ret
Function at 0x5c6070
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x155000]
push edi
or ebp, 0xffffffff
jmp 0x5c6092
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x5c6099
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x5c6088
mov eax, 1
add ebx, ebx
jne 0x5c60ab
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x5c60a0
jne 0x5c60bc
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x5c60a0
xor ecx, ecx
sub eax, 3
jb 0x5c60d0
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x5c6142
mov ebp, eax
add ebx, ebx
jne 0x5c60db
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x5c60e8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x5c610c
inc ecx
add ebx, ebx
jne 0x5c60f8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x5c60ed
jne 0x5c6109
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x5c60ed
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x5c612c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x5c611d
jmp 0x5c608e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x5c612c
add edi, ecx
jmp 0x5c608e
pop esi
mov edi, esi
mov ecx, 0x86c3
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x5c614a
cmp byte [edi], 0x14
jne 0x5c614a
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 0x5c614f
lea edi, [esi + 0x1c4000]
mov eax, dword [edi]
or eax, eax
je 0x5c61c7
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x1ccfe8]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x1cd024]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x5c617c
mov ecx, edi
jns 0x5c61ab
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 + 0x1cd028]
or eax, eax
je 0x5c61c1
mov dword [ebx], eax
add ebx, 4
jmp 0x5c6199
call dword [esi + 0x1cd038]
mov ebp, dword [esi + 0x1cd02c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x1d7]
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 0x5c61fb
sub esp, 0xffffff80
jmp 0x409e50
Function at 0x40e590
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46d23b
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.004617bd
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40e612
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045f5dd
mov eax, dword [eax]
push 0x4831d0
push eax
call fcn.00451ab4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00461a48
test bl, bl
je 0x40e612
push 0x4831d0
lea ecx, [esp + 0xc]
call fcn.00461dd8
push 0x486d44
lea ecx, [esp + 0xc]
call fcn.00461dd8
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 0x40e64e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00461a48
jmp 0x40e719
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 0x40e6d2
lea edx, [esp + 0x7c]
push 0x486d40
push edx
call fcn.00451ab4
add esp, 8
test eax, eax
je 0x40e6d2
lea eax, [esp + 0x7c]
push 0x486d3c
push eax
call fcn.00451ab4
add esp, 8
test eax, eax
je 0x40e6d2
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 0x40e662
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.00461a48
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 0x40ef10
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 0x40ef72
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 0x40ef80
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46d2bb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x48d4f8]
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 0x40f0b8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40efe6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00461a48
xor eax, eax
jmp 0x40f12f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00461b85
push esi
lea ecx, [esp + 0xc]
call fcn.00461e14
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 0x40f10d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocString
call fcn.0040ef10
test eax, eax
jne 0x40f10d
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.0040ef10
test eax, eax
jne 0x40f10d
lea eax, [esp + 0x14]
push 0x486d58
push eax
call fcn.00452bc0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40f0ec
lea ecx, [esp + 0x14]
push 0x486d54
push ecx
call fcn.00452b40
mov esi, eax
add esp, 8
test esi, esi
jne 0x40f0ec
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40f0ef
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00461b35
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40effe
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00461a48
xor eax, eax
jmp 0x40f12f
mov byte [esi], 0
push 0x486d50
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.00461a48
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 0x41f5e0
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 0x41f64e
cmp si, 0x69
ja 0x41f64e
add esi, 0xffd0
cmp si, 0x11
je 0x41f61e
push 0x11
call edi
test ax, ax
jge 0x41f61e
or esi, 0x2000
cmp si, 0x10
je 0x41f633
push 0x10
call edi
test ax, ax
jge 0x41f633
or esi, 0x4000
cmp si, 0x12
je 0x41f648
push 0x12
call edi
test ax, ax
jge 0x41f648
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41f65b
mov esi, 0xbd
jmp 0x41f60f
cmp si, 0x6e
jne 0x41f668
mov esi, 0xbe
jmp 0x41f60f
cmp si, 0x6f
jne 0x41f609
mov esi, 0xbf
jmp 0x41f60f

Function at 0x420d00
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x49dc08]
xor edx, edx
cmp eax, edx
jne 0x420d26
xor eax, eax
mov byte [eax + 0x49db08], al
inc eax
cmp eax, 0x100
jl 0x420d0e
mov dword [0x49dc08], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x49db08
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x420db7
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 0x420d8a
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 0x420d58
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x420e30
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 0x420e83
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 0x420e6a
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 0x4278c0
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 0x427a58
cmp ebp, ebx
jle 0x427a58
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 0x42791e
dec eax
or eax, 0xfffffff8
inc eax
je 0x427925
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x427934
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42793b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00461789
add esp, 4
cmp eax, ebx
je 0x42795c
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.00461789
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 0x427a4e
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 0x427a35
mov al, byte [edx]
cmp al, 0xc0
jbe 0x427a21
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x427a16
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 0x427a24
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x427a24
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4279c0
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 0x4279b1
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
Function at 0x42aa70
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x46e788
push eax
mov dword fs:[0], esp
sub esp, 0x28
push esi
push edi
mov edi, dword [esp + 0x44]
mov esi, ecx
test edi, edi
jne 0x42aaa9
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
push 0x400
lea ecx, [esp + 0xc]
call fcn.00469166
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004691b2
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x5c]
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
mov edx, dword [esp + 0x58]
push eax
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
push eax
lea edx, [esp + 0x20]
push ecx
push edx
mov ecx, esi
call fcn.0042ab30
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004691ef
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24