joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40d270
Capabilities:
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x120
push ebx
push esi
push edi
mov edi, dword [esp + 0x13c]
test edi, edi
jne 0x40d33a
mov eax, dword [esp + 0x138]
mov edi, dword [esp + 0x130]
mov ebx, dword [sym.imp.KERNEL32.dll_lstrlenA]
mov dword [esp + 0xc], 0x114
test eax, eax
mov byte [esp + 0x18], 0
je 0x40d30d
lea eax, [esp + 0x14]
push eax
push 1
push 0
push edi
push 0x80000000
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x40d30d
lea ecx, [esp + 0xc]
lea edx, [esp + 0x18]
push ecx
lea eax, [esp + 0x14]
push edx
push eax
push 0
push edi
push 0x80000000
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
lea ecx, [esp + 0x18]
push ecx
call ebx
test eax, eax
je 0x40d2f9
cmp dword [esp + 0x10], 1
jne 0x40d2f9
xor esi, esi
jmp 0x40d2fe
mov esi, 1
mov edx, dword [esp + 0x14]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test esi, esi
je 0x40d32b
mov esi, dword [esp + 0x134]
push esi
call ebx
push eax
push esi
push 1
push edi
push 0x80000000
call dword [sym.imp.ADVAPI32.dll_RegSetValueA]
test eax, eax
jne 0x40d39b
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x120
ret
mov ecx, dword [esp + 0x130]
lea eax, [esp + 0xc]
push eax
push ecx
push 0x80000000
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
test eax, eax
jne 0x40d39b
mov esi, dword [esp + 0x134]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov edx, dword [esp + 0xc]
inc eax
push eax
push esi
push 1
push 0
push edi
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov esi, eax
mov eax, dword [esp + 0xc]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x40d39b
test esi, esi
jne 0x40d39b
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x120
ret
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x120
ret
Function at 0x4030f0
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x564008], 0x8088405
inc edx
mov dword [ebx + 0x564008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x429c88
Capabilities:
Encode data using xor

Disassembly:
mov ecx, edx
mov edx, eax
xor eax, eax
rol ax, 5
xor al, byte [edx]
inc edx
dec ecx
jne 0x429c8e
ret
Function at 0x47ac70
Capabilities:
Get number of processors

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe0
push ebx
push esi
push edi
mov esi, edx
lea edi, [ebp - 0x18]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov ebx, ecx
mov dword [ebp - 4], eax
mov esi, dword [0x5695e0]
mov eax, dword [ebp - 4]
mov byte [eax + 0x210], 1
xor eax, eax
push ebp
push 0x47ae49
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, ebx
mov eax, dword [ebp - 4]
call fcn.0047278c
add dword [ebp - 0xc], 4
lea edx, [ebp - 0x18]
mov eax, dword [ebp - 4]
call fcn.00473a10
mov eax, dword [esi]
call fcn.0049a90c
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x4c]
add edx, dword [ebp - 0x14]
cmp eax, edx
jge 0x47ace2
mov eax, dword [esi]
call fcn.0049a90c
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x4c]
mov dword [ebp - 0x14], eax
mov eax, dword [esi]
call fcn.0049a918
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x48]
add edx, dword [ebp - 0x18]
cmp eax, edx
jge 0x47ad06
mov eax, dword [esi]
call fcn.0049a918
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x48]
mov dword [ebp - 0x18], eax
mov eax, dword [esi]
call fcn.0049a900
cmp eax, dword [ebp - 0x18]
jle 0x47ad1c
mov eax, dword [esi]
call fcn.0049a900
mov dword [ebp - 0x18], eax
mov eax, dword [esi]
call fcn.0049a8f4
cmp eax, dword [ebp - 0xc]
jle 0x47ad32
mov eax, dword [esi]
call fcn.0049a8f4
mov dword [ebp - 0xc], eax
push 0x10
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x4c]
push eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x48]
push eax
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [ebp - 0x18]
push eax
push 0xffffffffffffffff
mov eax, dword [ebp - 4]
call fcn.00479390
push eax
call fcn.0040840c
call fcn.0040775c
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x214]
cmp eax, 0xfa
jbe 0x47adf9
mov eax, ebx
call fcn.00404c60
cmp eax, 0x64
jge 0x47adf9
cmp dword [0x56525c], 0
je 0x47adf9
push 0
lea eax, [ebp - 8]
push eax
push 0
push 0x1016
call fcn.0040846c
cmp dword [ebp - 8], 0
je 0x47adf9
push 0
lea eax, [ebp - 8]
push eax
push 0
push 0x1018
call fcn.0040846c
cmp dword [ebp - 8], 0
je 0x47adbc
mov bl, 2
jmp 0x47add7
lea edx, [ebp - 0x20]
mov eax, dword [0x56e80c]
call fcn.0047e130
mov eax, dword [ebp - 0x1c]
cmp eax, dword [ebp - 0x14]
jle 0x47add5
xor ebx, ebx
jmp 0x47add7
mov bl, 1
xor eax, eax
mov al, bl
mov eax, dword [eax*4 + 0x565364]
or eax, 0x40000
push eax
push 0x64
mov eax, dword [ebp - 4]
call fcn.00479390
push eax
call dword [0x56525c]
mov eax, dword [0x5693cc]
mov eax, dword [eax]
mov edx, dword [eax + 0x30]
mov eax, dword [ebp - 4]
call fcn.00476884
push 4
mov eax, dword [ebp - 4]
call fcn.00479390
push eax
call fcn.00408464
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x7c]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x47ae50
call fcn.0040775c
mov edx, dword [ebp - 4]
mov dword [edx + 0x214], eax
mov eax, dword [ebp - 4]
mov byte [eax + 0x210], 0
ret
Function at 0x48e088
Capabilities:
Contain obfuscated stackstrings

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff8c
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x70], ecx
mov dword [ebp - 0x74], ecx
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x10], ecx
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 4], edx
mov ebx, eax
xor eax, eax
push ebp
push 0x48e239
push dword fs:[eax]
mov dword fs:[eax], esp
lea ecx, [ebp - 0x10]
mov edx, 0x1b
mov al, 0x2d
call fcn.00405054
mov edx, dword [ebp - 0x10]
lea eax, [ebp - 8]
mov ecx, 0x48e250
call fcn.00404cac
mov eax, ebx
call fcn.0042730c
mov edi, eax
dec edi
test edi, edi
jl 0x48e140
inc edi
xor esi, esi
mov edx, esi
mov eax, ebx
call fcn.004272e0
mov edx, dword [0x482240]
call fcn.00403cb0
test al, al
je 0x48e13c
push dword [ebp - 0xc]
mov edx, esi
mov eax, ebx
call fcn.004272e0
lea edx, [ebp - 0x14]
call fcn.0047275c
push dword [ebp - 0x14]
lea ecx, [ebp - 0x18]
mov edx, 3
mov al, 0x20
call fcn.00405054
push dword [ebp - 0x18]
lea eax, [ebp - 0xc]
mov edx, 3
call fcn.00404d20
inc esi
dec edi
jne 0x48e0ee
mov al, byte [0x48e254]
push eax
lea eax, [ebp - 0x1c]
push eax
xor ecx, ecx
mov edx, 0x48e260
mov eax, dword [ebp - 0xc]
call fcn.00411b44
mov edx, dword [ebp - 0x1c]
lea eax, [ebp - 0xc]
call fcn.00404a0c
mov eax, dword [ebp - 4]
push eax
mov eax, dword [ebp - 8]
mov dword [ebp - 0x6c], eax
mov byte [ebp - 0x68], 0xb
lea edx, [ebp - 0x70]
mov eax, ebx
call fcn.0047275c
mov eax, dword [ebp - 0x70]
mov dword [ebp - 0x64], eax
mov byte [ebp - 0x60], 0xb
mov eax, 0x48e250
mov dword [ebp - 0x5c], eax
mov byte [ebp - 0x58], 0xb
mov eax, dword [ebp - 8]
mov dword [ebp - 0x54], eax
mov byte [ebp - 0x50], 0xb
lea edx, [ebp - 0x74]
mov eax, dword [ebx + 0x2fc]
call fcn.0047275c
mov eax, dword [ebp - 0x74]
mov dword [ebp - 0x4c], eax
mov byte [ebp - 0x48], 0xb
mov eax, 0x48e250
mov dword [ebp - 0x44], eax
mov byte [ebp - 0x40], 0xb
mov eax, dword [ebp - 8]
mov dword [ebp - 0x3c], eax
mov byte [ebp - 0x38], 0xb
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x34], eax
mov byte [ebp - 0x30], 0xb
mov eax, 0x48e250
mov dword [ebp - 0x2c], eax
mov byte [ebp - 0x28], 0xb
mov eax, dword [ebp - 8]
mov dword [ebp - 0x24], eax
mov byte [ebp - 0x20], 0xb
lea edx, [ebp - 0x6c]
mov ecx, 9
mov eax, 0x48e26c
call fcn.0040c4d0
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x48e240
lea eax, [ebp - 0x74]
mov edx, 2
call fcn.00404998
lea eax, [ebp - 0x1c]
mov edx, 2
call fcn.00404998
lea eax, [ebp - 0x14]
call fcn.00404974
lea eax, [ebp - 0x10]
mov edx, 3
call fcn.00404998
ret

Function at 0x4a5534
Capabilities:
Hash data with crc32

Disassembly:
push ebx
push esi
xor esi, esi
mov ecx, 0x56e910
mov eax, esi
mov edx, 8
mov ebx, eax
and ebx, 1
test bl, bl
je 0x4a5556
shr eax, 1
xor eax, 0xedb88320
jmp 0x4a5558
shr eax, 1
dec edx
jne 0x4a5544
mov dword [ecx], eax
inc esi
add ecx, 4
cmp esi, 0x100
jne 0x4a553d
mov byte [0x56ed10], 1
pop esi
pop ebx
ret
Function at 0x4a5574
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
cmp byte [0x56ed10], 0
jne 0x4a558b
call fcn.004a5534
mov eax, edi
dec eax
test eax, eax
jl 0x4a55b4
inc eax
xor edx, edx
xor ecx, ecx
mov cl, byte [esi + edx]
xor ecx, ebx
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x56e910]
shr ebx, 8
xor ecx, ebx
mov ebx, ecx
inc edx
dec eax
jne 0x4a5595
mov eax, ebx
pop edi
pop esi
pop ebx
ret
Function at 0x517f5c
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff98
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x54], ebx
mov edi, ecx
mov esi, edx
mov ebx, eax
xor eax, eax
push ebp
push 0xae830e
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [esi], eax
mov dword [ebp - 0x4c], 0xff000001
xchg ebp, eax
dec dword [ebx + 0xfe4638]
add byte [eax], al
mov ebp, edx
xor byte [eax], bl
push ecx
add byte [edi], dl
dec ebx
loop 0x517f8a
inc dword [ebx + 0x458bfbc4]
or byte [ebx + 0x553b0c55], cl
adc al, 0x75
or bh, byte [ebx]
inc ebp
adc byte [ebx + 0xb], dh
jmp 0x5182f2
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0xae8315
lea eax, [ebp - 0x54]
mov ebp, edx
xor byte [eax], bl
push ecx
add byte [edi], dl
sti
fucompi st(6)
add bl, al
jmp fcn.004042b8

Function at 0x523128
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
mov ebx, edx
mov dl, 1
mov eax, dword [0x41b894]
call fcn.00403af4
mov dword [ebp - 4], eax
mov eax, dword [ebp + 3]
call 0x14f0210
xor eax, eax
push ebp
push 0xad3179
push dword fs:[eax]
cld
add byte [ebx], dh
rcl byte [ebp + 0x68], 0x79
xor dword [ebp + 0x30ff6400], ebp
mov dword fs:[eax], esp
mov ecx, esi
mov edx, ebx
mov eax, dword [ebp - 4]
je 0x523147
add byte [ebx + esi*8 + 0x595ac033], ch
pop ecx
mov dword fs:[eax], edx
push 0xad3180
mov eax, dword [ebp + 3]
call 0x633b24
cmp al, 0x16
cmp dl, byte [ecx]
out dx, al
call dword [edi + ecx]
pop esi
pop ebx
cmpsb byte [esi], byte es:[edi]
pop ebp
ret
Function at 0x552dd8
Capabilities:
Encode data using xor

Disassembly:
pop ecx
mov dword fs:[eax], edx
push 0x552dd1
cmp dword [ebp - 4], 0
je 0x552dc9
je 0x552e08
cld
call 0xff5c54e0
ret
push ebp
mov ebp, esp
xor esi, dword [esi]
scasb al, byte es:[edi]
scasb al, byte es:[edi]
scasb al, byte es:[edi]
scasb al, byte es:[edi]
scasb al, byte es:[edi]
scasb al, byte es:[edi]
push ebx
push esi
test al, 0x8b
fimul dword [ebx + 0x55c033f0]
push 0xaa2ff5
push dword fs:[eax]
mov dword fs:[eax], esp
mov al, byte [esi + 0xfcab]
test al, al
mov esi, dword [eax]
sub al, 3
je 0x552e32
xchg byte [ebx - 0x7bffff04], ch
ror byte [ebx + 0x74032c30], 0x2c
lea edx, [ebp + 0xb]
inc edi
and al, 0x2a
push ebp
add al, ch
jno 0x552e51
or eax, dword [edi + 0x24]
sub dl, byte [ebp]
call fcn.00406e84
mov ebp, dword [edx - 0x7ba72f5]
jmp 0x552e12
dec dword [ebx + 0x458d0baa]
clc
call fcn.00405288
mov ecx, dword [ebp - 8]
clc
mov dl, 1
mov eax, dword [0xaad900]
pop ss
ja 0x552db2
adc edi, edi
call fcn.004042f0
mov edi, dword [esi + 0x350]
test edi, edi
je 0x552e79
mov edi, dword [eax]
mov edx, dword [0x4d3d03]
pop ss
push cs
jmp 0x552e49
test al, al
jne 0x552e20
jb 0x552df9
in al, dx
mov eax, 0x552a2c
call fcn.00406e84
mov ebp, dword [edx - 0xfba7214]
call fcn.00405288
mov ecx, dword [ebp - 0x10]
mov dl, 1
mov eax, dword [0xaad900]
pop ss
xor byte [edi + 0x77e8ff11], al
adc al, 0xeb
dec dword [ebx + 0x38496]
add byte [ebx + 0x7b62173c], cl
adc al, 0
test al, al
mov esi, ebx
mov edi, dword [ecx]
sub al, 0x2a
push ebp
add al, ch
sub al, byte [eax - 0x15]
dec dword [ebx + 0x458decaa]
invalid
mov edx, dword [esi + 0x384]
mov edi, dword [edi + edx]
bound edi, qword [ebx + 0x14]
add byte [eax + eax*8 + 0x398bf38b], al
pop ss
pop ss
add dword [eax], eax
add byte [esi], dl
salc
inc byte [eax]
add dh, al
xchg byte [eax + 3], dh
add byte [eax], al
add byte [ebx - 0x5efe4d35], cl
add edi, dword [0xf917004d]
add eax, dword [eax]
add byte [eax], al
mov ecx, ebx
mov dl, 1
mov eax, dword [0x4d3d03]
pop ss
stc
sub eax, edi
add byte [esi + 0x45], dh
cld
xor ebp, dword [0x2eed97aa]
push ebp
add byte [edi + edi*8 - 0x33], ah
wait
jbe 0x552e99
mov dl, 1
mov edi, dword [edx + 0x1fe2e803]
clc
dec dword [ebx - 0x7976fc46]
push eax
add eax, dword [eax]
add byte [ecx + 0x40c71470], cl
adc al, al
inc edx
push ebp
add byte [ecx + 0x40c71c70], cl
sbb al, ah
inc edx
push ebp
add byte [ebx], dh
rcr byte [edx + 0x59], 0x59
mov dword fs:[eax], edx
adc al, 0x17
jmp 0x1404004
Function at 0x421ec0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d9e0b
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.004cd662
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x421f42
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004ca1c4
mov eax, dword [eax]
push 0x6d0254
push eax
call fcn.004bb584
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004cd8ed
test bl, bl
je 0x421f42
push 0x6d0254
lea ecx, [esp + 0xc]
call fcn.004cdc7d
push 0x6d3de4
lea ecx, [esp + 0xc]
call fcn.004cdc7d
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 0x421f7e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004cd8ed
jmp 0x422049
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 0x422002
lea edx, [esp + 0x7c]
push 0x6d3de0
push edx
call fcn.004bb584
add esp, 8
test eax, eax
je 0x422002
lea eax, [esp + 0x7c]
push 0x6d3ddc
push eax
call fcn.004bb584
add esp, 8
test eax, eax
je 0x422002
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 0x421f92
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.004cd8ed
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 0x422840
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 0x4228a2
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 0x4228b0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d9e8b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x6e8570]
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 0x4229e8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x422916
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004cd8ed
xor eax, eax
jmp 0x422a5f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004cda2a
push esi
lea ecx, [esp + 0xc]
call fcn.004cdcb9
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x6d3e1c
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x422a3d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00422840
test eax, eax
jne 0x422a3d
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.00422840
test eax, eax
jne 0x422a3d
lea eax, [esp + 0x14]
push 0x6d3df8
push eax
call fcn.004bc5c0
mov esi, eax
add esp, 8
test esi, esi
jne 0x422a1c
lea ecx, [esp + 0x14]
push 0x6d3df4
push ecx
call fcn.004bc540
mov esi, eax
add esp, 8
test esi, esi
jne 0x422a1c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x422a1f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004cd9da
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x42292e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004cd8ed
xor eax, eax
jmp 0x422a5f
mov byte [esi], 0
push 0x6d3df0
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.004cd8ed
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 0x4387e0
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 0x43884e
cmp si, 0x69
ja 0x43884e
add esi, 0xffd0
cmp si, 0x11
je 0x43881e
push 0x11
call edi
test ax, ax
jge 0x43881e
or esi, 0x2000
cmp si, 0x10
je 0x438833
push 0x10
call edi
test ax, ax
jge 0x438833
or esi, 0x4000
cmp si, 0x12
je 0x438848
push 0x12
call edi
test ax, ax
jge 0x438848
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x43885b
mov esi, 0xbd
jmp 0x43880f
cmp si, 0x6e
jne 0x438868
mov esi, 0xbe
jmp 0x43880f
cmp si, 0x6f
jne 0x438809
mov esi, 0xbf
jmp 0x43880f

Function at 0x43a0a0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x6f8e38]
xor edx, edx
cmp eax, edx
jne 0x43a0c6
xor eax, eax
mov byte [eax + 0x6f8d38], al
inc eax
cmp eax, 0x100
jl 0x43a0ae
mov dword [0x6f8e38], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x6f8d38
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x43a157
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 0x43a12a
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 0x43a0f8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x43a1d0
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 0x43a223
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 0x43a20a
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 0x440c60
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 0x440df8
cmp ebp, ebx
jle 0x440df8
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 0x440cbe
dec eax
or eax, 0xfffffff8
inc eax
je 0x440cc5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x440cd4
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x440cdb
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004cd62e
add esp, 4
cmp eax, ebx
je 0x440cfc
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.004cd62e
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 0x440dee
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 0x440dd5
mov al, byte [edx]
cmp al, 0xc0
jbe 0x440dc1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x440db6
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 0x440dc4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x440dc4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x440d60
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 0x440d51
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 0x443e20
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4dbac8
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 0x443e59
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.004d56e6
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004d5732
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.00443ee0
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004d576f
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24