joyce8/EMBER2024-capa huggingface dataset:
Function at 0x46a984
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffdc
push ebx
push esi
push edi
mov ebx, edx
test ebx, ebx
js 0x46a99a
mov esi, dword [eax + ebx*4]
dec ebx
push esi
jns 0x46a993
mov eax, esp
mov dword [ebp - 4], ecx
mov esi, eax
mov dl, 6
mov eax, dword [ebp + 8]
call fcn.0042779c
mov dl, 1
mov eax, dword [0x4203ec]
call fcn.004261c4
mov dword [ebp - 0x1c], eax
mov edx, dword [ebp + 8]
mov eax, dword [ebp - 0x1c]
mov ecx, dword [eax]
call dword [ecx + 8]
mov dl, 6
mov eax, dword [ebp + 8]
call fcn.0042779c
mov eax, dword [ebp + 8]
mov edx, dword [eax]
call dword [edx + 0x20]
sub eax, 2
test eax, eax
jle 0x46ab2e
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x18], 1
mov edx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
call fcn.004268fc
mov dword [ebp - 8], eax
mov edx, dword [ebp - 0x18]
dec edx
mov eax, dword [ebp + 8]
call fcn.004268fc
mov dword [ebp - 0xc], eax
mov edx, dword [ebp - 0x18]
mov eax, dword [ebp + 8]
call fcn.004268fc
mov dword [ebp - 0x10], eax
mov edx, dword [ebp - 0x18]
inc edx
mov eax, dword [ebp + 8]
call fcn.004268fc
mov dword [ebp - 0x14], eax
mov eax, dword [ebp + 8]
mov edx, dword [eax]
call dword [edx + 0x2c]
sub eax, 2
test eax, eax
jle 0x46ab22
mov dword [ebp - 0x24], eax
mov ebx, 1
mov eax, ebx
dec eax
lea eax, [eax + eax*2]
mov edx, dword [ebp - 0xc]
movzx eax, byte [edx + eax]
imul dword [esi]
lea edi, [ebx + ebx*2]
mov edx, dword [ebp - 0xc]
movzx edx, byte [edx + edi]
imul edx, dword [esi + 4]
add eax, edx
lea edx, [ebx + 1]
lea edx, [edx + edx*2]
mov ecx, dword [ebp - 0xc]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 8]
add eax, edx
mov edx, ebx
dec edx
lea edx, [edx + edx*2]
mov ecx, dword [ebp - 0x10]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 0xc]
add eax, edx
mov edx, dword [ebp - 0x10]
movzx edx, byte [edx + edi]
imul edx, dword [esi + 0x10]
add eax, edx
lea edx, [ebx + 1]
lea edx, [edx + edx*2]
mov ecx, dword [ebp - 0x10]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 0x14]
add eax, edx
mov edx, ebx
dec edx
lea edx, [edx + edx*2]
mov ecx, dword [ebp - 0x14]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 0x18]
add eax, edx
lea edx, [ebx + ebx*2]
mov ecx, dword [ebp - 0x14]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 0x1c]
add eax, edx
lea edx, [ebx + 1]
lea edx, [edx + edx*2]
mov ecx, dword [ebp - 0x14]
movzx edx, byte [ecx + edx]
imul edx, dword [esi + 0x20]
add eax, edx
cdq
idiv dword [ebp - 4]
mov edx, eax
mov eax, 0xff
call fcn.004287ec
mov edx, eax
xor eax, eax
call fcn.0042887c
mov edx, dword [ebp - 8]
mov byte [edx + edi], al
lea eax, [ebx + ebx*2]
mov edx, dword [ebp - 8]
mov al, byte [edx + eax]
mov edx, dword [ebp - 8]
mov byte [edx + edi + 1], al
mov eax, dword [ebp - 8]
mov al, byte [eax + edi]
mov edx, dword [ebp - 8]
mov byte [edx + edi + 2], al
inc ebx
dec dword [ebp - 0x24]
jne 0x46aa41
inc dword [ebp - 0x18]
dec dword [ebp - 0x20]
jne 0x46a9ec
mov edx, dword [ebp - 0x1c]
mov eax, dword [ebp + 8]
mov ecx, dword [eax]
call dword [ecx + 8]
mov eax, dword [ebp - 0x1c]
call fcn.00403904
mov edi, dword [ebp - 0x30]
mov esi, dword [ebp - 0x2c]
mov ebx, dword [ebp - 0x28]
mov esp, ebp
pop ebp
ret 4
Function at 0x47e6f4
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffff4
mov ecx, dword [eax]
mov dword [edx], ecx
lea ecx, [eax + 4]
mov ecx, dword [ecx]
mov dword [edx + 4], ecx
lea ecx, [eax + 8]
mov ecx, dword [ecx]
mov dword [edx + 8], ecx
add eax, 0xc
mov eax, dword [eax]
mov dword [edx + 0xc], eax
xor eax, eax
mov dword [esp], 1
mov ecx, dword [edx + eax*4 + 0xc]
mov ebx, ecx
shl ebx, 0x18
shr ecx, 8
or ebx, ecx
mov ecx, ebx
xor ebx, ebx
mov bl, cl
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 4], ebx
mov ebx, ecx
shr ebx, 8
and ebx, 0xff
mov esi, dword [ebx*4 + 0x49232c]
mov ebx, ecx
shr ebx, 0x10
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 8], ebx
shr ecx, 0x18
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x49232c]
mov ebx, esi
shl ebx, 8
shr esi, 0x18
or ebx, esi
xor ebx, dword [esp + 4]
mov esi, dword [esp + 8]
shl esi, 0x10
mov edi, dword [esp + 8]
shr edi, 0x10
or esi, edi
xor ebx, esi
mov esi, ecx
shl esi, 0x18
shr ecx, 8
or esi, ecx
xor ebx, esi
xor ebx, dword [edx + eax*4]
mov ecx, dword [esp]
xor ebx, dword [ecx*4 + 0x4922b0]
mov dword [edx + eax*4 + 0x10], ebx
inc dword [esp]
mov ecx, dword [edx + eax*4 + 4]
xor ecx, dword [edx + eax*4 + 0x10]
mov dword [edx + eax*4 + 0x14], ecx
mov ebx, dword [edx + eax*4 + 8]
xor ebx, ecx
mov dword [edx + eax*4 + 0x18], ebx
mov ecx, dword [edx + eax*4 + 0xc]
xor ecx, ebx
mov dword [edx + eax*4 + 0x1c], ecx
add eax, 4
cmp eax, 0x28
jl 0x47e71f
add esp, 0xc
pop edi
pop esi
pop ebx
ret
Function at 0x47e7ec
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffff4
mov ecx, dword [eax]
mov dword [edx], ecx
lea ecx, [eax + 4]
mov ecx, dword [ecx]
mov dword [edx + 4], ecx
lea ecx, [eax + 8]
mov ecx, dword [ecx]
mov dword [edx + 8], ecx
lea ecx, [eax + 0xc]
mov ecx, dword [ecx]
mov dword [edx + 0xc], ecx
lea ecx, [eax + 0x10]
mov ecx, dword [ecx]
mov dword [edx + 0x10], ecx
add eax, 0x14
mov eax, dword [eax]
mov dword [edx + 0x14], eax
xor eax, eax
mov dword [esp], 1
mov ecx, dword [edx + eax*4 + 0x14]
mov ebx, ecx
shl ebx, 0x18
shr ecx, 8
or ebx, ecx
mov ecx, ebx
xor ebx, ebx
mov bl, cl
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 4], ebx
mov ebx, ecx
shr ebx, 8
and ebx, 0xff
mov esi, dword [ebx*4 + 0x49232c]
mov ebx, ecx
shr ebx, 0x10
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 8], ebx
shr ecx, 0x18
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x49232c]
mov ebx, esi
shl ebx, 8
shr esi, 0x18
or ebx, esi
xor ebx, dword [esp + 4]
mov esi, dword [esp + 8]
shl esi, 0x10
mov edi, dword [esp + 8]
shr edi, 0x10
or esi, edi
xor ebx, esi
mov esi, ecx
shl esi, 0x18
shr ecx, 8
or esi, ecx
xor ebx, esi
xor ebx, dword [edx + eax*4]
mov ecx, dword [esp]
xor ebx, dword [ecx*4 + 0x4922b0]
mov dword [edx + eax*4 + 0x18], ebx
inc dword [esp]
mov ecx, dword [edx + eax*4 + 4]
xor ecx, dword [edx + eax*4 + 0x18]
mov dword [edx + eax*4 + 0x1c], ecx
mov ebx, dword [edx + eax*4 + 8]
xor ebx, ecx
mov dword [edx + eax*4 + 0x20], ebx
mov ecx, dword [edx + eax*4 + 0xc]
xor ecx, ebx
mov dword [edx + eax*4 + 0x24], ecx
mov ebx, dword [edx + eax*4 + 0x10]
xor ebx, ecx
mov dword [edx + eax*4 + 0x28], ebx
mov ecx, dword [edx + eax*4 + 0x14]
xor ecx, ebx
mov dword [edx + eax*4 + 0x2c], ecx
add eax, 6
cmp eax, 0x2e
jl 0x47e827
add esp, 0xc
pop edi
pop esi
pop ebx
ret
Function at 0x47e908
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffff4
mov ecx, dword [eax]
mov dword [edx], ecx
lea ecx, [eax + 4]
mov ecx, dword [ecx]
mov dword [edx + 4], ecx
lea ecx, [eax + 8]
mov ecx, dword [ecx]
mov dword [edx + 8], ecx
lea ecx, [eax + 0xc]
mov ecx, dword [ecx]
mov dword [edx + 0xc], ecx
lea ecx, [eax + 0x10]
mov ecx, dword [ecx]
mov dword [edx + 0x10], ecx
lea ecx, [eax + 0x14]
mov ecx, dword [ecx]
mov dword [edx + 0x14], ecx
lea ecx, [eax + 0x18]
mov ecx, dword [ecx]
mov dword [edx + 0x18], ecx
add eax, 0x1c
mov eax, dword [eax]
mov dword [edx + 0x1c], eax
xor eax, eax
mov dword [esp], 1
mov ecx, dword [edx + eax*4 + 0x1c]
mov edi, ecx
shl edi, 0x18
shr ecx, 8
or edi, ecx
mov ecx, edi
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x49232c]
mov dword [esp + 4], ecx
mov ecx, edi
shr ecx, 8
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x49232c]
mov ebx, edi
shr ebx, 0x10
and ebx, 0xff
mov esi, dword [ebx*4 + 0x49232c]
mov ebx, edi
shr ebx, 0x18
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 8], ebx
mov ebx, ecx
shl ebx, 8
shr ecx, 0x18
or ebx, ecx
xor ebx, dword [esp + 4]
mov ecx, esi
shl ecx, 0x10
shr esi, 0x10
or ecx, esi
xor ebx, ecx
mov ecx, dword [esp + 8]
shl ecx, 0x18
mov esi, dword [esp + 8]
shr esi, 8
or ecx, esi
xor ebx, ecx
xor ebx, dword [edx + eax*4]
mov ecx, dword [esp]
xor ebx, dword [ecx*4 + 0x4922b0]
mov dword [edx + eax*4 + 0x20], ebx
inc dword [esp]
mov ecx, dword [edx + eax*4 + 4]
xor ecx, dword [edx + eax*4 + 0x20]
mov dword [edx + eax*4 + 0x24], ecx
mov ebx, dword [edx + eax*4 + 8]
xor ebx, ecx
mov dword [edx + eax*4 + 0x28], ebx
mov edi, dword [edx + eax*4 + 0xc]
xor edi, ebx
mov dword [edx + eax*4 + 0x2c], edi
xor ecx, ecx
mov cl, byte [edx + eax*4 + 0x2c]
mov ecx, dword [ecx*4 + 0x49232c]
mov dword [esp + 4], ecx
mov ecx, edi
shr ecx, 8
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x49232c]
mov ebx, edi
shr ebx, 0x10
and ebx, 0xff
mov esi, dword [ebx*4 + 0x49232c]
mov ebx, edi
shr ebx, 0x18
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x49232c]
mov dword [esp + 8], ebx
mov ebx, ecx
shl ebx, 8
shr ecx, 0x18
or ebx, ecx
xor ebx, dword [esp + 4]
mov ecx, esi
shl ecx, 0x10
shr esi, 0x10
or ecx, esi
xor ebx, ecx
mov ecx, dword [esp + 8]
shl ecx, 0x18
mov esi, dword [esp + 8]
shr esi, 8
or ecx, esi
xor ebx, ecx
xor ebx, dword [edx + eax*4 + 0x10]
mov dword [edx + eax*4 + 0x30], ebx
mov ecx, dword [edx + eax*4 + 0x14]
xor ecx, dword [edx + eax*4 + 0x30]
mov dword [edx + eax*4 + 0x34], ecx
mov ebx, dword [edx + eax*4 + 0x18]
xor ebx, ecx
mov dword [edx + eax*4 + 0x38], ebx
mov ecx, dword [edx + eax*4 + 0x1c]
xor ecx, ebx
mov dword [edx + eax*4 + 0x3c], ecx
add eax, 8
cmp eax, 0x34
jl 0x47e953
add esp, 0xc
pop edi
pop esi
pop ebx
ret
Function at 0x484328
Capabilities:
Hash data with crc32

Disassembly:
push ebx
xor ebx, ebx
mov ecx, 0x5789b8
mov eax, ebx
mov edx, 8
test al, 1
je 0x484344
shr eax, 1
xor eax, 0xedb88320
jmp 0x484346
shr eax, 1
dec edx
jne 0x484337
mov dword [ecx], eax
inc ebx
add ecx, 4
cmp ebx, 0x100
jne 0x484330
pop ebx
ret
Function at 0x40b630
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46f1fb
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.00463c7f
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40b6b2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00461aa3
mov eax, dword [eax]
push 0x4881f0
push eax
call fcn.004544f4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00463f0a
test bl, bl
je 0x40b6b2
push 0x4881f0
lea ecx, [esp + 0xc]
call fcn.0046429a
push 0x48bd8c
lea ecx, [esp + 0xc]
call fcn.0046429a
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 0x40b6ee
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00463f0a
jmp 0x40b7b9
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 0x40b772
lea edx, [esp + 0x7c]
push 0x48bd88
push edx
call fcn.004544f4
add esp, 8
test eax, eax
je 0x40b772
lea eax, [esp + 0x7c]
push 0x48bd84
push eax
call fcn.004544f4
add esp, 8
test eax, eax
je 0x40b772
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 0x40b702
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.00463f0a
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 0x40bfb0
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 0x40c012
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 0x40c020
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46f27b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x493258]
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 0x40c158
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40c086
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463f0a
xor eax, eax
jmp 0x40c1cf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00464047
push esi
lea ecx, [esp + 0xc]
call fcn.004642d6
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 0x40c1ad
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push 0x80000000
call fcn.0040bfb0
test eax, eax
jne 0x40c1ad
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 0x80000000
mov ecx, edi
call fcn.0040bfb0
test eax, eax
jne 0x40c1ad
lea eax, [esp + 0x14]
push str.__1_
push eax
call fcn.00455530
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c18c
lea ecx, [esp + 0x14]
push 0x48bd9c
push ecx
call fcn.004554b0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c18c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40c18f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00463ff7
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40c09e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463f0a
xor eax, eax
jmp 0x40c1cf
mov byte [esi], 0
push 0x48bd98
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.00463f0a
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 0x41d860
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 0x41d8ce
cmp si, 0x69
ja 0x41d8ce
add esi, 0xffd0
cmp si, 0x11
je 0x41d89e
push 0x11
call edi
test ax, ax
jge 0x41d89e
or esi, 0x2000
cmp si, 0x10
je 0x41d8b3
push 0x10
call edi
test ax, ax
jge 0x41d8b3
or esi, 0x4000
cmp si, 0x12
je 0x41d8c8
push 0x12
call edi
test ax, ax
jge 0x41d8c8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41d8db
mov esi, 0xbd
jmp 0x41d88f
cmp si, 0x6e
jne 0x41d8e8
mov esi, 0xbe
jmp 0x41d88f
cmp si, 0x6f
jne 0x41d889
mov esi, 0xbf
jmp 0x41d88f

Function at 0x41ef80
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4a38f0]
xor edx, edx
cmp eax, edx
jne 0x41efa6
xor eax, eax
mov byte [eax + 0x4a37f0], al
inc eax
cmp eax, 0x100
jl 0x41ef8e
mov dword [0x4a38f0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4a37f0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41f037
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 0x41f00a
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 0x41efd8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41f0b0
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 0x41f103
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 0x41f0ea
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 0x425b40
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 0x425cd8
cmp ebp, ebx
jle 0x425cd8
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 0x425b9e
dec eax
or eax, 0xfffffff8
inc eax
je 0x425ba5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, 0x80000001
jns 0x425bb4
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x425bbb
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00463c4b
add esp, 4
cmp eax, ebx
je 0x425bdc
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.00463c4b
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 0x425cce
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 0x425cb5
mov al, byte [edx]
cmp al, 0xc0
jbe 0x425ca1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x425c96
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 0x425ca4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x425ca4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x425c40
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 0x425c31
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 0x428428
Capabilities:
Initialize winsock library
Resolve dns

Disassembly:
sub esp, 0x1b8
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
test eax, eax
jne 0x428472
lea eax, [esp + 0x38]
push eax
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
neg eax
sbb eax, eax
inc eax
cmp eax, 1
mov dword [esi + 4], eax
jne 0x428460
push str.icmp.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [esi + 8], eax
jmp 0x428467
mov dword [esi + 8], 0
mov eax, dword [esi + 4]
test eax, eax
je 0x42850a
mov eax, dword [esi + 8]
test eax, eax
je 0x42850a
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.IcmpCreateFile
push eax
call edi
mov ecx, dword [esi + 8]
push str.IcmpSendEcho
push ecx
mov ebx, eax
call edi
mov edx, dword [esi + 8]
push str.IcmpCloseHandle
push edx
mov ebp, eax
call edi
test ebx, ebx
mov dword [esp + 0x10], eax
je 0x42850a
test ebp, ebp
je 0x42850a
test eax, eax
je 0x42850a
mov esi, dword [esp + 0x1cc]
push esi
call dword [sym.imp.WS2_32.dll_inet_addr]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4284dc
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x42850a
mov eax, dword [eax + 0xc]
mov ecx, dword [eax]
mov edi, dword [ecx]
call ebx
mov edx, dword [esp + 0x1d0]
mov esi, eax
push edx
lea eax, [esp + 0x18]
push 0x24
push eax
push 0
push 0
push 0
push edi
push esi
mov dword [esp + 0x3c], 0xffffffff
call ebp
test eax, eax
push esi
jne 0x42851a
call dword [esp + 0x14]
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x1b8
ret 8
call dword [esp + 0x14]
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x1b8
ret 8

Function at 0x429050
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4708c8
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 0x429089
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.0046b60a
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.0046b656
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.00429110
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.0046b693
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24