joyce8/EMBER2024-capa huggingface dataset:
Function at 0x69c380
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 8]
mov eax, dword [esp + 4]
push esi
lea ecx, [edx + 0x3f8]
lea esi, [eax + 0x3f8]
cmp eax, ecx
ja 0x69c3bb
cmp esi, edx
jb 0x69c3bb
sub edx, eax
mov esi, 0x80
mov ecx, dword [eax + edx]
lea eax, [eax + 8]
xor dword [eax - 8], ecx
mov ecx, dword [eax + edx - 4]
xor dword [eax - 4], ecx
sub esi, 1
jne 0x69c3a4
pop esi
ret
lea esi, [edx + 0x30]
sub edx, eax
lea ecx, [eax + 0x10]
mov eax, 0x10
nop dword [eax + eax]
lea ecx, [ecx + 0x40]
lea esi, [esi + 0x40]
movups xmm0, xmmword [ecx - 0x50]
movups xmm1, xmmword [esi - 0x70]
pxor xmm1, xmm0
movups xmmword [ecx - 0x50], xmm1
movups xmm0, xmmword [ecx - 0x40]
movups xmm1, xmmword [edx + ecx - 0x40]
pxor xmm1, xmm0
movups xmmword [ecx - 0x40], xmm1
movups xmm0, xmmword [ecx - 0x30]
movups xmm1, xmmword [esi - 0x50]
pxor xmm1, xmm0
movups xmmword [ecx - 0x30], xmm1
movups xmm0, xmmword [ecx - 0x20]
movups xmm1, xmmword [esi - 0x40]
pxor xmm1, xmm0
movups xmmword [ecx - 0x20], xmm1
sub eax, 1
jne 0x69c3d0
pop esi
ret
Function at 0x69ff80
Capabilities:
Create thread

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x69ffb1
mov eax, dword [esp + 0xc]
test eax, eax
je 0x69ffb1
push 0
push 0
push dword [esp + 0x18]
push eax
push 0
push 0
call fcn.006150ee
mov dword [esi], eax
add esp, 0x18
neg eax
sbb eax, eax
neg eax
dec eax
pop esi
ret
or eax, 0xffffffff
pop esi
ret
Function at 0x6a35e0
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 8]
movzx eax, byte [esi + 0x219]
push eax
movzx eax, byte [esi + 0x218]
add eax, 0x158
add eax, esi
push eax
push esi
call fcn.00639190
mov al, byte [esi + 0x218]
add esp, 0xc
xor dl, dl
test al, al
je 0x6a3631
movzx ecx, dl
inc dl
movzx eax, byte [ecx + esi + 0xd8]
xor al, 0x5c
mov byte [ecx + esi + 0x158], al
mov al, byte [esi + 0x218]
cmp dl, al
jb 0x6a3611
push dword [esp + 0x10]
movzx ecx, al
movzx eax, byte [esi + 0x219]
push dword [esp + 0x10]
add ecx, eax
lea eax, [esi + 0x158]
push ecx
push eax
push esi
call fcn.00639220
add esp, 0x14
pop esi
ret

Function at 0x6a3760
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 8]
xor dl, dl
cmp byte [esi + 0x218], dl
jbe 0x6a378d
nop
movzx ecx, dl
inc dl
mov al, byte [ecx + esi + 0xd8]
xor al, 0x36
mov byte [ecx + esi + 0x158], al
cmp dl, byte [esi + 0x218]
jb 0x6a3770
push esi
call fcn.006392a0
movzx eax, byte [esi + 0x218]
push eax
lea eax, [esi + 0x158]
push eax
push esi
call fcn.006392c0
add esp, 0x10
xor eax, eax
pop esi
ret

Function at 0x6a46a0
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 0xc]
xor ecx, ecx
push ebx
mov ebx, dword [esp + 0x14]
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
movd xmm0, ebx
pshufd xmm3, xmm0, 0
test edx, edx
je 0x6a4760
push ebp
cmp edx, 4
jb 0x6a473a
lea eax, [edx - 1]
lea eax, [edi + eax*4]
lea ebp, [edx - 1]
lea ebp, [esi + ebp*4]
cmp esi, eax
ja 0x6a46e0
cmp ebp, edi
jae 0x6a473a
mov ebp, edx
mov ebx, esi
and ebp, 0xfffffffc
mov eax, edi
sub ebx, edi
mov dword [esp + 0x1c], ebx
mov ebx, dword [esp + 0x20]
mov esi, dword [esp + 0x1c]
nop word [eax + eax]
movups xmm0, xmmword [esi + eax]
add ecx, 4
lea eax, [eax + 0x10]
movups xmm2, xmmword [eax - 0x10]
pxor xmm2, xmm0
movaps xmm1, xmm2
pand xmm1, xmm3
pxor xmm1, xmm0
movups xmmword [esi + eax - 0x10], xmm1
pxor xmm1, xmm2
movups xmmword [eax - 0x10], xmm1
cmp ecx, ebp
jb 0x6a4700
mov esi, dword [esp + 0x18]
mov dword [esp + 0x1c], ecx
cmp ecx, edx
jae 0x6a475f
sub esi, edi
lea eax, [edi + ecx*4]
sub edx, ecx
mov ecx, dword [eax + esi]
lea eax, [eax + 4]
xor dword [eax - 4], ecx
mov ecx, dword [eax - 4]
and ecx, ebx
xor dword [eax + esi - 4], ecx
mov ecx, dword [eax + esi - 4]
xor dword [eax - 4], ecx
sub edx, 1
jne 0x6a4741
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x6a53b0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x18]
mov dl, 4
push ebx
mov ebx, dword [esp + 0x18]
mov byte [esp + 0x1c], dl
mov ecx, dword [ebx]
mov dword [eax], ecx
mov ecx, dword [ebx + 4]
mov dword [eax + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [eax + 8], ecx
mov ecx, dword [ebx + 0xc]
mov dword [eax + 0xc], ecx
movzx ecx, byte [esp + 0x14]
shl ecx, 2
mov dword [esp + 0xc], ecx
cmp ecx, 4
jbe 0x6a552e
push ebp
mov ecx, 4
push esi
mov dword [esp + 0xc], ecx
push edi
nop dword [eax]
mov edi, dword [ebx + ecx*4]
mov ebx, edi
shr ebx, 0x10
xor ebx, edi
mov edx, ebx
shr edx, 8
mov cl, dl
shr cl, 6
and cl, 1
movzx ecx, cl
imul ecx, ecx, 0x1b
movzx esi, cl
mov cl, dl
shr cl, 7
movzx ecx, cl
imul ecx, ecx, 0x36
shl dl, 2
movzx ecx, cl
xor esi, ecx
movzx ecx, dl
xor esi, ecx
mov cl, bl
shr cl, 6
and cl, 1
shl esi, 8
movzx ecx, cl
imul ecx, ecx, 0x1b
movzx edx, cl
mov cl, bl
shr cl, 7
movzx ecx, cl
imul ecx, ecx, 0x36
shl bl, 2
movzx ecx, cl
xor edx, ecx
movzx ecx, bl
xor edx, ecx
or esi, edx
mov ebp, esi
shl ebp, 0x10
or ebp, esi
xor ebp, edi
mov ecx, ebp
rol ecx, 8
xor ecx, ebp
mov dword [esp + 0x20], ecx
mov edx, ecx
mov ebx, ecx
shr edx, 0x18
shr ecx, 8
mov dword [esp + 0x14], ecx
mov cl, dl
shr cl, 7
add dl, dl
movzx ecx, cl
imul ecx, ecx, 0x1b
shr ebx, 0x10
mov edi, dword [esp + 0x20]
rol edi, 0x10
movzx esi, cl
movzx ecx, dl
xor esi, ecx
mov edx, dword [esp + 0x14]
mov cl, bl
shl esi, 8
shr cl, 7
add bl, bl
movzx ecx, cl
imul ecx, ecx, 0x1b
movzx ecx, cl
xor esi, ecx
movzx ecx, bl
xor esi, ecx
mov cl, dl
shr cl, 7
movzx ecx, cl
imul ecx, ecx, 0x1b
shl esi, 8
movzx ecx, cl
xor esi, ecx
add dl, dl
movzx ecx, dl
mov edx, dword [esp + 0x20]
xor esi, ecx
mov cl, dl
mov ebx, dword [esp + 0x24]
shr cl, 7
movzx ecx, cl
imul ecx, ecx, 0x1b
shl esi, 8
xor edi, esi
movzx ecx, cl
xor edi, ecx
mov cl, dl
add cl, cl
movzx ecx, cl
xor edi, ecx
mov ecx, dword [esp + 0x10]
xor edi, edx
mov dl, byte [esp + 0x28]
xor edi, ebp
inc dl
mov byte [esp + 0x28], dl
mov dword [eax + ecx*4], edi
movzx ecx, dl
mov dword [esp + 0x10], ecx
cmp ecx, dword [esp + 0x18]
jb 0x6a5400
pop edi
pop esi
pop ebp
movzx edx, dl
mov ecx, dword [ebx + edx*4]
mov dword [eax + edx*4], ecx
mov ecx, dword [ebx + edx*4 + 4]
mov dword [eax + edx*4 + 4], ecx
mov ecx, dword [ebx + edx*4 + 8]
mov dword [eax + edx*4 + 8], ecx
mov ecx, dword [ebx + edx*4 + 0xc]
mov dword [eax + edx*4 + 0xc], ecx
pop ebx
add esp, 0xc
ret

Function at 0x6a5f70
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff0
sub esp, 0x40
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x3c], eax
xorps xmm0, xmm0
mov dword [0x782930], 0
lea eax, [esp]
movaps xmmword [esp], xmm0
push eax
movaps xmmword [esp + 0x14], xmm0
mov dword [esp + 0x24], 0
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ax, word [esp]
cmp ax, 6
je 0x6a5fbc
cmp ax, 9
jne 0x6a5fc6
mov dword [0x782930], 1
call fcn.006ab2d0
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.006dd760
mov esp, ebp
pop ebp
ret
Function at 0x6a9b10
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0xc]
xor eax, eax
test esi, esi
je 0x6a9b59
push edi
mov edi, dword [esp + 0xc]
movzx edx, byte [edi]
lea edi, [edi + 1]
mov ecx, edx
shr edx, 4
xor ecx, eax
shr eax, 4
and ecx, 0xf
and eax, 0xfff
xor eax, dword [ecx*4 + 0x76d580]
xor edx, eax
shr eax, 4
and edx, 0xf
and eax, 0xfff
xor eax, dword [edx*4 + 0x76d580]
sub esi, 1
jne 0x6a9b20
pop edi
pop esi
ret 8

Function at 0x6ab1b0
Capabilities:
Identify system language via api

Disassembly:
sub esp, 0x18
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersion]
call esi
test eax, eax
jns 0x6ab262
call esi
cmp al, 4
jae 0x6ab262
push edi
push 0x14
lea eax, [esp + 0xc]
push eax
push 0x560b20
push 0x579174
push 0x579180
call dword [sym.imp.KERNEL32.dll_GetProfileStringA]
xor esi, esi
mov edi, 0x76d5c8
nop dword [eax]
mov eax, edi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x6ab205
sub eax, edx
push eax
lea eax, [esp + 0xc]
push eax
push edi
call fcn.00703dd7
add esp, 0xc
test eax, eax
je 0x6ab245
inc esi
add edi, 8
cmp esi, 0x10
jb 0x6ab200
pop edi
mov dword [0x780edc], 0x809
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.006dd760
add esp, 0x18
ret
mov eax, dword [esi*8 + 0x76d5cc]
pop edi
mov dword [0x780edc], eax
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.006dd760
add esp, 0x18
ret
call dword [sym.imp.KERNEL32.dll_GetUserDefaultUILanguage]
movzx eax, ax
mov ecx, eax
and ecx, 0x3ff
cmp ecx, 4
jne 0x6ab2b3
shr eax, 0xa
mov ecx, eax
sub ecx, 3
je 0x6ab28c
sub ecx, 1
je 0x6ab2ac
sub ecx, 1
jne 0x6ab291
mov eax, 1
shl eax, 0xa
or eax, 4
mov dword [0x780edc], eax
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.006dd760
add esp, 0x18
ret
mov eax, 2
jmp 0x6ab291
or ecx, 0x800
mov dword [0x780edc], ecx
mov ecx, dword [esp + 0x18]
pop esi
xor ecx, esp
call fcn.006dd760
add esp, 0x18
ret
Function at 0x6abea0
Capabilities:
Query or enumerate registry value

Disassembly:
sub esp, 0x18
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
push ebx
push ebp
mov ebp, dword [esp + 0x28]
push esi
push edi
mov dword [esp + 0x10], eax
xor edi, edi
mov eax, dword [esp + 0x2c]
mov esi, 2
cmp eax, 0xa
ja case.0x6abece.3
jmp dword [eax*4 + 0x6abfe4]
mov edi, 0x579244
jmp case.0x6abece.3
mov edi, 0x57927c
jmp 0x6abf04
mov edi, 0x57927c
jmp case.0x6abece.3
mov edi, 0x5792b4
jmp case.0x6abece.3
mov edi, 0x5792e8
jmp 0x6abf04
mov edi, 0x57931c
jmp 0x6abf04
mov edi, 0x579358
mov esi, 3
mov eax, dword [esp + 0x38]
mov edx, 0x20119
mov dword [esp + 0x1c], eax
mov ecx, 0x20019
xor eax, eax
cmp esi, 2
sete al
add eax, reloc.WS2_32.dll_accept
cmp dword [0x782930], 0
cmovne ecx, edx
lea edx, [esp + 0x18]
push edx
push ecx
push 0
push edi
push eax
mov dword [esp + 0x28], ecx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ebx, eax
test ebx, ebx
jne 0x6abf76
lea eax, [esp + 0x1c]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
push ebx
push ebp
push dword [esp + 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [esp + 0x18]
mov ebx, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test ebx, ebx
je 0x6abfc6
cmp esi, 3
jne 0x6abfc6
lea eax, [esp + 0x18]
push eax
push dword [esp + 0x18]
push 0
push edi
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ebx, eax
test ebx, ebx
jne 0x6abfc6
mov eax, dword [esp + 0x38]
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x1c]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
push ebx
push ebp
push dword [esp + 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [esp + 0x18]
mov ebx, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
test ebx, ebx
pop ebp
cmove eax, dword [esp + 0x10]
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 0x18
ret
Function at 0x6ac070
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x44
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x40], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x58]
mov ebp, 0x19
xor esi, esi
nop dword [eax]
cmp esi, 6
jge 0x6ac1e1
push 0
push 0x24
push 0
push 0x3c
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_LockFile]
mov ebx, eax
test ebx, ebx
jne 0x6ac0b9
push ebp
call dword [sym.imp.KERNEL32.dll_Sleep]
add ebp, ebp
inc esi
test ebx, ebx
je 0x6ac090
push 0x40
lea eax, [esp + 0x14]
mov dword [edi + 0x24], 1
push 0
push eax
call fcn.006f4190
add esp, 0xc
lea eax, [esp + 0x2c]
push 0x24
push eax
push 0x3c
push edi
call fcn.006ac2b0
test eax, eax
je 0x6ac188
lea ecx, [esp + 0x30]
xor edx, edx
lea esi, [edi + 0x74]
mov ebx, ecx
lea eax, [esi + 0x1f]
cmp ebx, eax
ja 0x6ac120
lea eax, [esp + 0x4f]
cmp eax, esi
jb 0x6ac120
mov al, byte [esi + edx]
lea ecx, [ecx + 1]
add byte [ecx - 1], al
inc edx
cmp edx, 0x20
jl 0x6ac107
jmp 0x6ac13a
movups xmm0, xmmword [ecx]
lea ecx, [ecx + 0x10]
movups xmm1, xmmword [esi + edx]
add edx, 0x10
paddb xmm1, xmm0
movups xmmword [ecx - 0x10], xmm1
cmp edx, 0x20
jl 0x6ac120
mov eax, dword [esp + 0x2e]
lea edx, [esp + 0x30]
add eax, dword [esp + 0x2c]
mov esi, 0x20
movzx eax, ax
nop
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
sub esi, 1
jne 0x6ac150
cmp dword [esp + 0x4c], esi
je 0x6ac1a8
mov dword [0x76d6d4], 0x65
cmp dword [edi + 0x24], 0
je 0x6ac1eb
push 0
push 0x24
push 0
push 0x3c
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_UnlockFile]
mov dword [edi + 0x24], 0
jmp 0x6ac1eb
movzx eax, word [esp + 0x32]
mov dword [edi + 0x40], eax
movzx eax, word [esp + 0x34]
mov dword [edi + 0x44], eax
mov al, byte [esp + 0x36]
mov byte [edi + 0x50], al
movzx eax, word [esp + 0x30]
mov dword [edi + 4], eax
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x40]
xor ecx, esp
call fcn.006dd760
add esp, 0x44
ret 4
mov dword [0x76d6d4], 0x64
mov ecx, dword [esp + 0x50]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 0x44
ret 4

Function at 0x6ac210
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x10]
push esi
push ebx
push dword [esp + 0x1c]
push edi
call fcn.006ac2b0
test eax, eax
je 0x6ac299
xor edx, edx
mov ecx, ebx
test esi, esi
je 0x6ac288
mov eax, edx
lea ecx, [ecx + 1]
and eax, 0x1f
inc edx
mov al, byte [eax + edi + 0x74]
add byte [ecx - 1], al
cmp edx, esi
jb 0x6ac237
mov ecx, dword [edi + 0x30]
mov edx, ebx
mov eax, ecx
mov edi, esi
shr eax, 0x10
add eax, ecx
movzx eax, ax
nop dword [eax]
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
sub edi, 1
jne 0x6ac260
cmp dword [ebx + esi - 4], 0
je 0x6ac2a1
mov dword [0x76d6d4], 0x65
pop edi
pop esi
xor eax, eax
pop ebx
ret 0x10
pop edi
pop esi
mov eax, 1
pop ebx
ret 0x10
Function at 0x6ac2b0
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 4], eax
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
push 0
push 0
push dword [esp + 0x20]
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test eax, eax
jne 0x6ac2fa
pop edi
mov dword [0x76d6d4], 0x65
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 0x10
push esi
mov esi, dword [esp + 0x24]
lea eax, [esp + 0xc]
push 0
push eax
push esi
push ebx
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x6ac334
cmp dword [esp + 0xc], esi
jne 0x6ac334
pop esi
pop edi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 0x10
mov ecx, dword [esp + 0x10]
xor eax, eax
pop esi
pop edi
pop ebx
xor ecx, esp
mov dword [0x76d6d4], 0x62
call fcn.006dd760
add esp, 8
ret 0x10

Function at 0x6ac360
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
sub esp, 8
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 4], eax
mov ecx, dword [esp + 0x10]
push ebx
push esi
mov esi, dword [esp + 0x14]
lea ebx, [ecx + 0x14]
lea edx, [ecx + 0x18]
push edi
mov edi, 0x18
movzx eax, word [esi + 0x40]
mov word [ebx], ax
movzx eax, word [esi + 0x44]
mov word [ecx + 0x16], ax
movzx eax, word [esi + 0x54]
mov word [edx], ax
movzx eax, word [esi + 0x44]
add ax, word [esi + 0x40]
movzx eax, ax
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
sub edi, 1
jne 0x6ac3a5
mov eax, dword [esi + 0x60]
push 0x1c
push ebx
add eax, 0x14
push eax
push esi
call fcn.006adbc0
test eax, eax
je 0x6ac41c
mov al, 0xfa
cmp dword [esi + 0x6c], edi
jne 0x6ac3eb
mov al, byte [esi + 0x50]
push 1
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push eax
push dword [esi + 0x5c]
push esi
call fcn.006adbc0
test eax, eax
je 0x6ac41c
pop edi
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 8
mov ecx, dword [esp + 0x10]
xor eax, eax
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 8
Function at 0x6ac440
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
sub esp, 0x40
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x3c], eax
push ebx
push ebp
mov ebp, dword [esp + 0x54]
lea eax, [esp + 0xb]
push esi
mov esi, dword [esp + 0x50]
push edi
push 1
push eax
push dword [esi + 0x5c]
push esi
call fcn.006ac2b0
test eax, eax
je 0x6ac610
cmp byte [esp + 0x13], 0xfa
ja 0x6ac606
push 0x38
xor edi, edi
lea eax, [esp + 0x18]
push edi
push eax
call fcn.006f4190
add esp, 0xc
lea eax, [esp + 0x28]
push 0x1d
push eax
mov eax, dword [esi + 0x60]
add eax, 0x14
push eax
push esi
call fcn.006ac2b0
test eax, eax
je 0x6ac610
mov eax, dword [esp + 0x2a]
lea edx, [esp + 0x2c]
add eax, dword [esp + 0x28]
lea ebx, [edi + 0x18]
movzx eax, ax
nop dword [eax]
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
sub ebx, 1
jne 0x6ac4c0
cmp dword [esp + 0x40], edi
je 0x6ac4fd
mov dword [0x76d6d4], 0x65
jmp 0x6ac610
mov ax, word [esp + 0x2c]
cmp ax, word [esi + 0x54]
jne 0x6ac606
mov eax, dword [esi + 0x6c]
test eax, eax
je 0x6ac51b
push eax
call fcn.006b02a0
mov edi, eax
test ebp, ebp
je 0x6ac57e
test edi, edi
je 0x6ac57e
cmp dword [edi + 0x10], 1
jne 0x6ac57e
cmp byte [esp + 0x13], 0xfa
jae 0x6ac57e
mov al, byte [esp + 0x44]
test al, al
jne 0x6ac55d
test byte [edi + 0x28], 0x80
jne 0x6ac55d
push dword [edi + 0x34]
mov eax, dword [esi + 0x64]
push dword [edi + 0x2c]
add eax, dword [esi + 0x60]
push eax
push esi
call fcn.006ac2b0
test eax, eax
je 0x6ac610
mov al, byte [esp + 0x44]
movzx eax, al
xor ecx, ecx
test eax, eax
mov dword [edi + 0x14], eax
mov dword [edi + 0x10], 2
sete cl
mov dword [edi + 0x18], ecx
mov dword [esi + 0x6c], 0
mov dword [ebp], edi
mov edx, dword [esp + 0x58]
test edx, edx
je 0x6ac5ec
mov edi, dword [esi + 0x3c]
xor ecx, ecx
mov ebx, dword [esi + 0x44]
cmp edi, ebx
jbe 0x6ac5a6
mov eax, dword [esi + 0x40]
cmp eax, dword [esi + 0x38]
jbe 0x6ac5aa
mov ecx, ebx
sub ecx, edi
add ecx, 0xa8c0
jmp 0x6ac5aa
mov ecx, ebx
sub ecx, edi
lea eax, [ecx + ecx]
xor ecx, ecx
test eax, eax
cmovns ecx, eax
mov eax, 0xffff
cmp ecx, 0xffff
jg 0x6ac5c4
movzx eax, cx
cmp eax, edx
jae 0x6ac5e5
sub edx, eax
mov eax, edx
xor edx, edx
div dword [esi + 0x34]
mov dword [esi + 0x14], eax
cmp eax, 1
jbe 0x6ac5ec
mov dword [0x76d6d4], 0x63
jmp 0x6ac610
mov dword [esi + 0x14], 0
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.006dd760
add esp, 0x40
ret 0xc
mov dword [0x76d6d4], 0x67
mov ecx, dword [esp + 0x4c]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 0x40
ret 0xc
Function at 0x6adbc0
Capabilities:
Write file on windows

Disassembly:
sub esp, 8
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 4], eax
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
push 0
push 0
push dword [esp + 0x20]
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test eax, eax
jne 0x6adc0a
pop edi
mov dword [0x76d6d4], 0x65
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 0x10
push esi
mov esi, dword [esp + 0x24]
lea eax, [esp + 0xc]
push 0
push eax
push esi
push ebx
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x6adc44
cmp dword [esp + 0xc], esi
jne 0x6adc44
pop esi
pop edi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.006dd760
add esp, 8
ret 0x10
mov ecx, dword [esp + 0x10]
xor eax, eax
pop esi
pop edi
pop ebx
xor ecx, esp
mov dword [0x76d6d4], 0x61
call fcn.006dd760
add esp, 8
ret 0x10

Function at 0x6adc70
Capabilities:
Encode data using xor
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push esi
push 0x100
xor ebx, ebx
lea eax, [esp + 0x10]
push ebx
push eax
call fcn.006f4190
add esp, 0xc
lea eax, [esp + 0xc]
push 0xff
push eax
push 0x57258c
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x6addeb
cmp esi, 0x20
jae 0x6addeb
mov ecx, 0x572598
lea eax, [esp + 0xc]
nop dword [eax]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x6adcf0
test dl, dl
je 0x6adcec
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x6adcf0
add eax, 2
add ecx, 2
test dl, dl
jne 0x6adcd0
xor eax, eax
jmp 0x6adcf5
sbb eax, eax
or eax, 1
test eax, eax
je 0x6addeb
mov ecx, 0x5725a0
lea eax, [esp + 0xc]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x6add26
test dl, dl
je 0x6add22
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x6add26
add eax, 2
add ecx, 2
test dl, dl
jne 0x6add06
xor eax, eax
jmp 0x6add2b
sbb eax, eax
or eax, 1
test eax, eax
je 0x6addeb
push 8
lea eax, [esp + 0x10]
push 0x5725b0
push eax
call fcn.00611b60
add esp, 0xc
test eax, eax
jne 0x6adda8
lea eax, [esp + 8]
mov dword [esp + 8], ebx
push eax
lea eax, [esp + 0x10]
push 0x5725bc
push eax
call fcn.00657c00
add esp, 0xc
cmp eax, 1
jne 0x6add87
mov eax, dword [esp + 8]
inc eax
and eax, 0x800000ff
jns 0x6add7e
dec eax
or eax, 0xffffff00
inc eax
movzx ebx, byte [eax + 0x76d750]
jmp 0x6addc6
xor edx, edx
test esi, esi
je 0x6addcd
nop dword [eax]
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x76d750]
cmp edx, esi
jb 0x6add90
jmp 0x6addc6
xor edx, edx
test esi, esi
je 0x6addcd
nop
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x76d750]
cmp edx, esi
jb 0x6addb0
xor eax, eax
cmp ax, bx
jne 0x6addd2
mov ebx, 0xff
pop esi
mov al, bl
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.006dd760
add esp, 0x108
ret
mov ecx, dword [esp + 0x10c]
xor al, al
pop esi
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 0x108
ret
Function at 0x6ade10
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x220
mov eax, dword [0x76e964]
xor eax, esp
mov dword [esp + 0x21c], eax
push ebx
push esi
mov esi, dword [esp + 0x22c]
lea eax, [esp + 0x124]
push 0x100
push eax
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
je 0x6ade91
lea eax, [esp + 0x124]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x6ade91
mov eax, dword [eax + 0xc]
push 1
mov eax, dword [eax]
mov ebx, dword [eax]
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x20]
mov dword [esp + 0x1c], 0x10c
push eax
call fcn.006b19d0
test eax, eax
jne 0x6ade91
mov edx, dword [esp + 0x18]
test edx, edx
jle 0x6ade91
lea ecx, [esp + 0x1c]
cmp dword [ecx], ebx
je 0x6ade98
inc eax
add ecx, 0x18
cmp eax, edx
jl 0x6ade85
xor al, al
jmp 0x6adf5c
lea eax, [eax + eax*2]
mov edx, dword [esp + eax*8 + 0x24]
test edx, edx
je 0x6ade91
mov ecx, dword [esi + 4]
mov eax, ebx
shr eax, 0x18
and ecx, edx
mov byte [esp + 0x14], al
not edx
mov eax, ebx
mov byte [esp + 0xf], cl
shr eax, 0x10
mov byte [esp + 0x15], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x16], al
movzx eax, byte [esi + 7]
mov byte [esp + 0x10], al
movzx eax, byte [esi + 6]
mov byte [esp + 0x11], al
movzx eax, byte [esi + 5]
mov byte [esp + 0x12], al
movzx eax, byte [esi + 4]
mov byte [esp + 0x13], al
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0xd], al
mov eax, ecx
mov ecx, dword [esp + 0x10]
shr eax, 8
mov byte [esp + 0xe], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 8], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 9], al
mov eax, edx
shr eax, 8
mov byte [esp + 0xa], al
mov byte [esp + 0xb], dl
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
or eax, edi
mov byte [esp + 0x1b], bl
cmp ecx, edi
jbe 0x6adf4c
cmp ecx, eax
jae 0x6adf4a
mov edx, dword [esp + 0x18]
cmp edx, edi
jbe 0x6adf4a
cmp edx, eax
jb 0x6adf52
cmp ecx, edi
je 0x6adf75
cmp ecx, eax
je 0x6adf75
mov dword [esi + 8], 1
mov al, 1
pop edi
mov ecx, dword [esp + 0x224]
pop esi
pop ebx
xor ecx, esp
call fcn.006dd760
add esp, 0x220
ret 4
mov dword [esi + 8], 0
xor al, al
jmp 0x6adf5b