joyce8/EMBER2024-capa huggingface dataset:
Function at 0x51ae3b
Capabilities:
Set thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x7a61c0
push 0x7a61b8
push str.FlsSetValue
push 0x22
call fcn.0051ac9a
mov esi, eax
add esp, 0x10
test esi, esi
je 0x51ae75
push dword [ebp + 0xc]
mov ecx, esi
push dword [ebp + 8]
call dword [0x571b6c]
call esi
pop esi
pop ebp
ret 8
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsSetValue]
Function at 0x51cd8e
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
sar ecx, 6
push esi
push edi
imul edi, eax, 0x38
mov eax, dword [ecx*4 + 0x8b9228]
mov dword [ebp - 0xc], ecx
mov ecx, dword [edi + eax + 0x18]
mov dword [ebp - 0x14], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x51cdce
cmp byte [ebx], 0xa
jne 0x51cdce
or byte [edi + eax + 0x28], 4
jmp 0x51cdd3
and byte [edi + eax + 0x28], 0xfb
add ecx, ebx
mov eax, ebx
mov dword [ebp - 0x10], ecx
mov esi, ebx
mov dword [ebp - 8], eax
cmp ebx, ecx
jae 0x51ced2
mov dl, byte [eax]
cmp dl, 0x1a
je 0x51ceb5
inc eax
cmp dl, 0xd
je 0x51cdff
mov dword [ebp - 8], eax
mov byte [esi], dl
jmp 0x51ce25
cmp eax, ecx
jae 0x51ce33
mov cl, byte [eax]
xor eax, eax
cmp cl, 0xa
sete al
inc eax
add dword [ebp - 8], eax
cmp cl, 0xa
sete al
dec al
and al, 3
add al, 0xa
mov byte [esi], al
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 0x10]
xor edx, edx
inc edx
add esi, edx
cmp eax, ecx
jb 0x51cde7
jmp 0x51ced2
push 0
lea eax, [ebp - 0x10]
push eax
push 1
lea eax, [ebp - 1]
push eax
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51ceb0
cmp dword [ebp - 0x10], 0
je 0x51ceb0
mov ecx, dword [ebp - 0xc]
mov eax, dword [ecx*4 + 0x8b9228]
test byte [eax + edi + 0x28], 0x48
je 0x51ce8a
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x51ce75
mov byte [esi], dl
jmp 0x51ce86
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x8b9228]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x51ced2
cmp byte [ebp - 1], 0xa
jne 0x51ce99
cmp esi, ebx
jne 0x51ce99
mov byte [esi], 0xa
jmp 0x51ced1
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0051db16
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x51ced2
mov byte [esi], 0xd
jmp 0x51ced1
mov ecx, dword [ebp - 0xc]
mov ecx, dword [ecx*4 + 0x8b9228]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x51cecf
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x51ced2
mov byte [esi], dl
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x51cedb
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
push esi
sar ecx, 6
push edi
imul edi, eax, 0x38
mov dword [ebp - 8], ecx
mov eax, dword [ecx*4 + 0x8b9228]
push 0xa
pop edx
mov dword [ebp - 0x18], edx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x1c], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x51cf21
cmp word [ebx], dx
jne 0x51cf21
or byte [eax + edi + 0x28], 4
jmp 0x51cf26
and byte [eax + edi + 0x28], 0xfb
lea edx, [ebx + ecx*2]
mov eax, ebx
mov dword [ebp - 0xc], edx
mov esi, ebx
mov dword [ebp - 4], eax
cmp ebx, edx
jae 0x51d089
mov dword [ebp - 0x10], 0xd
movzx ecx, word [eax]
mov edx, ecx
mov dword [ebp - 0x14], edx
mov edx, dword [ebp - 0xc]
cmp ecx, 0x1a
je 0x51d069
add eax, 2
cmp cx, word [ebp - 0x10]
je 0x51cf67
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x51cf9d
cmp eax, edx
jae 0x51cfab
movzx eax, word [eax]
xor ecx, ecx
cmp ax, word [ebp - 0x18]
mov edx, eax
push 0xa
sete cl
xor eax, eax
lea ecx, [ecx*2 + 2]
add dword [ebp - 4], ecx
pop ecx
cmp dx, cx
mov edx, dword [ebp - 0xc]
sete al
dec eax
and eax, 3
add eax, ecx
mov word [esi], ax
mov eax, dword [ebp - 4]
push 2
pop ecx
add esi, ecx
cmp eax, edx
jb 0x51cf42
jmp 0x51d089
push 0
lea eax, [ebp - 0x18]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51d064
cmp dword [ebp - 0x18], 0
je 0x51d064
mov edx, dword [ebp - 8]
push 0xa
mov eax, dword [edx*4 + 0x8b9228]
test byte [eax + edi + 0x28], 0x48
je 0x51d03a
lea eax, [esi + 2]
mov dword [ebp - 0x1c], eax
mov ax, word [ebp - 4]
pop ecx
mov word [ebp - 2], ax
cmp ax, cx
jne 0x51cffe
mov word [esi], cx
jmp 0x51d035
push 0xd
pop ecx
mov word [esi], cx
movzx ecx, ax
mov eax, dword [edx*4 + 0x8b9228]
mov dx, word [ebp - 2]
shr ecx, 8
push 0xa
mov byte [eax + edi + 0x2a], dl
mov edx, dword [ebp - 8]
mov eax, dword [edx*4 + 0x8b9228]
mov byte [eax + edi + 0x2b], cl
mov eax, dword [edx*4 + 0x8b9228]
pop ecx
mov byte [eax + edi + 0x2c], cl
mov esi, dword [ebp - 0x1c]
jmp 0x51d089
pop eax
cmp word [ebp - 4], ax
jne 0x51d04a
cmp esi, ebx
jne 0x51d04a
mov word [esi], ax
jmp 0x51d086
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0051db16
add esp, 0x10
push 0xa
pop eax
cmp word [ebp - 4], ax
je 0x51d089
push 0xd
pop eax
jmp 0x51d045
mov edx, dword [ebp - 8]
mov edx, dword [edx*4 + 0x8b9228]
mov al, byte [edx + edi + 0x28]
test al, 0x40
jne 0x51d083
or al, 2
mov byte [edx + edi + 0x28], al
jmp 0x51d089
mov word [esi], cx
add esi, 2
sub esi, ebx
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x52020c
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
je 0x5202a9
push ebx
push esi
call fcn.005201d5
xor ebx, ebx
sub eax, esi
push ebx
push ebx
push ebx
push ebx
sar eax, 1
push eax
push esi
push ebx
push ebx
mov dword [ebp - 8], eax
call fcn.00520169
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x520256
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x5202a8
push edi
push eax
call fcn.00518e07
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x520276
call fcn.00518dcd
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x5202a7
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.00520169
add esp, 0x20
test eax, eax
jne 0x520295
push edi
call fcn.00518dcd
jmp 0x52029d
push ebx
call fcn.00518dcd
mov ebx, edi
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, ebx
pop edi
pop ebx
pop esi
leave
ret
Function at 0x5266d5
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
push dword [ebp + 0xc]
push ebx
call fcn.00526651
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x526844
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x526844
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x5267f9
jg 0x526731
test eax, eax
je 0x5267ef
push 1
push 0x1000
call fcn.0051ab24
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x526754
push 0xc
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x5267e6
push 0x8000
push ebx
call fcn.00517b87
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x52677d
jg 0x526778
cmp ecx, 0x1000
jb 0x52677d
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.0051c3a4
add esp, 0x10
cmp eax, 0xffffffff
je 0x5267c2
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0x526778
jl 0x5267a9
test ecx, ecx
jne 0x52676a
push dword [ebp - 0xc]
push ebx
call fcn.00517b87
push esi
call fcn.00518dcd
add esp, 0xc
xor ebx, ebx
jmp 0x526852
cmp byte [edi + 0x24], 0
je 0x5267d9
cmp dword [edi + 0x20], 5
jne 0x5267d9
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x5267e4
mov ebx, dword [edi + 0x18]
jmp 0x5267e6
xor ebx, ebx
push esi
call fcn.00518dcd
pop ecx
jmp 0x526852
test ecx, ecx
jg 0x5267bb
jl 0x5267f9
test eax, eax
jae 0x5267bb
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0051db16
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x526819
cmp byte [edi + 0x1c], 0
je 0x5267bb
jmp 0x52684a
push ebx
call fcn.00520676
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x5267bb
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [edi + 0x24], 1
mov dword [edi + 0x20], eax
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x526852
cmp byte [edi + 0x1c], 0
je 0x52684f
mov ebx, dword [edi + 0x18]
jmp 0x526852
push 0x16
pop ebx
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.0051db16
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret
Function at 0x531bd0
Capabilities:
Compute adler32 checksum

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
movzx ecx, si
shr esi, 0x10
test edi, edi
je 0x531ceb
push ebp
mov ebp, dword [esp + 0x18]
test ebp, ebp
je 0x531cea
push ebx
mov edx, 0x15b0
cmp ebp, edx
cmovb edx, ebp
sub ebp, edx
cmp edx, 0x10
jl 0x531cab
mov ebx, edx
shr ebx, 4
mov eax, ebx
neg eax
shl eax, 4
add edx, eax
nop dword [eax]
movzx eax, byte [edi]
add ecx, eax
movzx eax, byte [edi + 1]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 2]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 3]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 4]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 5]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 6]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 7]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 8]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 9]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xa]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xb]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xc]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xd]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xe]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xf]
add esi, ecx
add edi, 0x10
add ecx, eax
add esi, ecx
sub ebx, 1
jne 0x531c20
test edx, edx
je 0x531cbd
nop
movzx eax, byte [edi]
inc edi
add ecx, eax
add esi, ecx
sub edx, 1
jne 0x531cb0
mov eax, 0x80078071
mul ecx
shr edx, 0xf
imul eax, edx, 0xffff000f
add ecx, eax
mov eax, 0x80078071
mul esi
shr edx, 0xf
imul edx, edx, 0xffff000f
add esi, edx
test ebp, ebp
jne 0x531bf6
pop ebx
pop ebp
shl esi, 0x10
or esi, ecx
pop edi
mov eax, esi
pop esi
ret
Function at 0x56cdf0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov edx, dword [esp + 8]
push esi
mov esi, dword [esp + 0x10]
test edx, edx
jne 0x56ce01
xor eax, eax
pop esi
ret
mov eax, dword [esp + 8]
not eax
cmp esi, 8
jb 0x56cebd
push edi
mov edi, esi
shr edi, 3
movzx ecx, byte [edx]
sub esi, 8
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 1]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 2]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 3]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 4]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 5]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 6]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
movzx ecx, byte [edx + 7]
add edx, 8
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
sub edi, 1
jne 0x56ce16
pop edi
test esi, esi
je 0x56cedb
movzx ecx, byte [edx]
lea edx, [edx + 1]
xor ecx, eax
shr eax, 8
movzx ecx, cl
xor eax, dword [ecx*4 + 0x81a820]
sub esi, 1
jne 0x56cec1
not eax
pop esi
ret

Function at 0x56f2c0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x56f2ed
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x56f2ed
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x41c860
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4c696b
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.004b7a0f
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41c8e2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004b4c1f
mov eax, dword [eax]
push 0x521d80
push eax
call fcn.004a6674
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004b7c9a
test bl, bl
je 0x41c8e2
push 0x521d80
lea ecx, [esp + 0xc]
call fcn.004b802a
push 0x521d8c
lea ecx, [esp + 0xc]
call fcn.004b802a
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 0x41c91e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004b7c9a
jmp 0x41c9e9
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 0x41c9a2
lea edx, [esp + 0x7c]
push 0x521d88
push edx
call fcn.004a6674
add esp, 8
test eax, eax
je 0x41c9a2
lea eax, [esp + 0x7c]
push 0x521d84
push eax
call fcn.004a6674
add esp, 8
test eax, eax
je 0x41c9a2
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 0x41c932
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.004b7c9a
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 0x41d1e0
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 0x41d242
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 0x41d250
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4c69eb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x52ee68]
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 0x41d388
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41d2b6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004b7c9a
xor eax, eax
jmp 0x41d3ff
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004b7dd7
push esi
lea ecx, [esp + 0xc]
call fcn.004b8066
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 0x41d3dd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0041d1e0
test eax, eax
jne 0x41d3dd
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.0041d1e0
test eax, eax
jne 0x41d3dd
lea eax, [esp + 0x14]
push 0x521d9c
push eax
call fcn.004a7860
mov esi, eax
add esp, 8
test esi, esi
jne 0x41d3bc
lea ecx, [esp + 0x14]
push 0x521d98
push ecx
call fcn.004a77e0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41d3bc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41d3bf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004b7d87
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41d2ce
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004b7c9a
xor eax, eax
jmp 0x41d3ff
mov byte [esi], 0
push 0x521d94
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.004b7c9a
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 0x430810
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 0x43087e
cmp si, 0x69
ja 0x43087e
add esi, 0xffd0
cmp si, 0x11
je 0x43084e
push 0x11
call edi
test ax, ax
jge 0x43084e
or esi, 0x2000
cmp si, 0x10
je 0x430863
push 0x10
call edi
test ax, ax
jge 0x430863
or esi, 0x4000
cmp si, 0x12
je 0x430878
push 0x12
call edi
test ax, ax
jge 0x430878
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x43088b
mov esi, 0xbd
jmp 0x43083f
cmp si, 0x6e
jne 0x430898
mov esi, 0xbe
jmp 0x43083f
cmp si, 0x6f
jne 0x430839
mov esi, 0xbf
jmp 0x43083f

Function at 0x432190
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x540400]
xor edx, edx
cmp eax, edx
jne 0x4321b6
xor eax, eax
mov byte [eax + 0x540300], al
inc eax
cmp eax, 0x100
jl 0x43219e
mov dword [0x540400], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x540300
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x432247
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 0x43221a
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 0x4321e8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4322c0
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 0x432313
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 0x4322fa
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 0x4392f0
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 0x439488
cmp ebp, ebx
jle 0x439488
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 0x43934e
dec eax
or eax, 0xfffffff8
inc eax
je 0x439355
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x439364
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x43936b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004b79db
add esp, 4
cmp eax, ebx
je 0x43938c
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.004b79db
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 0x43947e
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 0x439465
mov al, byte [edx]
cmp al, 0xc0
jbe 0x439451
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x439446
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 0x439454
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x439454
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4393f0
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 0x4393e1
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 0x43d080
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4c83c8
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 0x43d0b9
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.004bfc1b
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004bfca3
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.0043d140
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004bfce0
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24