joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10080afc
Capabilities:
Access peb ldr_data
Check for peb beingdebugged flag
Get process heap flags

Disassembly:
mov eax, 0x100d90ac
call fcn.100d0210
sub esp, 0x18
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
push str.CREATIONTIME
mov ecx, edi
lea edx, [esi + 4]
call fcn.10080c80
push str.LASTMODIFICATIONTIME
lea edx, [esi + 0xc]
mov ecx, edi
mov byte [esi], al
call fcn.10080c80
mov byte [esi + 1], al
lea eax, [ebp - 0x18]
push str.NAME
push eax
mov ecx, edi
call fcn.10002d90
and dword [ebp - 4], 0
lea edx, [esi + 0x14]
mov ecx, eax
call fcn.10003de1
push dword [ebp - 0x18]
or dword [ebp - 4], 0xffffffff
mov byte [esi + 2], al
call fcn.10003369
lea eax, [ebp - 0x18]
mov dword [esp], str.DIRCOUNT
push eax
mov ecx, edi
call fcn.10002d90
lea edx, [esi + 0x20]
mov ecx, eax
mov dword [ebp - 4], 1
call fcn.10080bfd
push dword [ebp - 0x18]
or dword [ebp - 4], 0xffffffff
call fcn.10003369
lea eax, [ebp - 0x18]
mov dword [esp], str.FILECOUNT
push eax
mov ecx, edi
call fcn.10002d90
lea edx, [esi + 0x28]
mov ecx, eax
mov dword [ebp - 4], 2
call fcn.10080bfd
push dword [ebp - 0x18]
or dword [ebp - 4], 0xffffffff
call fcn.10003369
lea eax, [ebp - 0x24]
mov dword [esp], str.INDEX
push eax
mov ecx, edi
call fcn.10002cbc
lea edx, [esi + 0x30]
mov ecx, eax
mov dword [ebp - 4], 3
call fcn.10080c52
push dword [ebp - 0x24]
mov byte [esi + 3], al
call fcn.10003369
pop ecx
pop edi
mov ecx, dword [ebp - 0xc]
pop esi
mov dword fs:[0], ecx
leave
ret 4

Function at 0x1008112a
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, 0x100d912b
call fcn.100d0210
push ecx
push esi
push edi
mov esi, ecx
xor edi, edi
mov dword [ebp - 0x10], esi
mov dword [esi], edi
mov dword [esi + 4], edi
mov dword [ebp - 4], edi
mov dword [esi + 8], edi
mov dword [esi + 0xc], edi
mov dword [esi + 0x10], edi
or dword [esi + 0x20], 0xffffffff
lea ecx, [esi + 0x24]
mov byte [ebp - 4], 1
call fcn.10002438
mov ecx, dword [ebp - 0xc]
mov dword [esi + 0x30], edi
mov dword [esi + 0x34], edi
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
leave
ret

Function at 0x10085ae7
Capabilities:
Access peb ldr_data
Check for peb beingdebugged flag
Get kernel32 base address

Disassembly:
mov eax, 0x100d97e3
call fcn.100d0210
push ecx
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov dword [ebp - 0x10], esi
mov ax, word [edi]
lea ecx, [esi + 0x24]
mov word [esi], ax
mov ax, word [edi + 2]
mov word [esi + 2], ax
mov ax, word [edi + 4]
mov word [esi + 4], ax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
mov dword [esi + 0xc], eax
mov eax, dword [edi + 0x10]
mov dword [esi + 0x10], eax
mov eax, dword [edi + 0x14]
mov dword [esi + 0x14], eax
mov eax, dword [edi + 0x18]
mov dword [esi + 0x18], eax
mov eax, dword [edi + 0x1c]
mov dword [esi + 0x1c], eax
mov eax, dword [edi + 0x20]
mov dword [esi + 0x20], eax
lea eax, [edi + 0x24]
push eax
call fcn.10001d2c
and dword [ebp - 4], 0
add edi, 0x30
push edi
lea ecx, [esi + 0x30]
call fcn.10085b6a
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x1008e57e
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, edx
xor ebx, ebx
mov dword [ebp - 4], ecx
mov eax, dword [edi + 0x18]
mov dword [esi + 8], eax
mov eax, dword [edi + 0x1c]
mov dword [esi + 0xc], eax
mov al, byte [edi + 2]
mov word [esi], bx
cmp byte [edi + 1], bl
mov byte [ebp + 0xf], al
je 0x1008e610
lea eax, [edi + 0x20]
lea ecx, [esi + 0x24]
push eax
call fcn.10001de9
lea eax, [edi + 0x2c]
lea ecx, [esi + 0x60]
push eax
call fcn.1002ce09
cmp byte [edi + 4], bl
je 0x1008e5cc
or byte [esi + 1], 8
jmp 0x1008e5d1
and word [esi], 0xf7ff
mov eax, dword [edi + 0x10]
mov dword [esi + 0x44], eax
mov eax, dword [edi + 0x14]
mov dword [esi + 0x18], eax
mov eax, dword [edi + 0x34]
mov dword [esi + 0x70], eax
mov eax, dword [edi + 0x38]
mov dword [esi + 0x74], eax
mov eax, dword [edi + 0x3c]
mov dword [esi + 0x78], eax
mov eax, dword [edi + 0x40]
mov dword [esi + 0x7c], eax
mov eax, dword [edi + 0x44]
mov dword [esi + 0x80], eax
mov eax, dword [edi + 0x48]
mov dword [esi + 0x84], eax
mov al, byte [edi + 3]
mov byte [esi + 0x88], al
cmp byte [ebp + 0xf], bl
mov byte [esi + 0x41], bl
mov byte [esi + 0x40], 0x3f
mov byte [esi + 5], bl
mov word [esi + 0x42], bx
jne 0x1008e630
mov eax, dword [ebp - 4]
cmp byte [eax + 0x6c], bl
je 0x1008e630
or byte [esi], 1
jmp 0x1008e635
and word [esi], 0xfffe
cmp byte [ebp + 8], bl
je 0x1008e63f
or byte [esi], 8
jmp 0x1008e644
and word [esi], 0xfff7
cmp byte [ebp + 0xf], bl
je 0x1008e660
mov dword [esi + 0x10], ebx
mov dword [esi + 8], ebx
mov byte [esi + 4], 0x14
mov word [esi + 2], bx
mov dword [esi + 0x14], ebx
mov dword [esi + 0xc], ebx
mov dword [esi + 0x1c], ebx
lea edi, [esi + 0x30]
mov ecx, edi
call fcn.1003a993
mov byte [edi + 0xe], bl
lea edi, [esi + 0x50]
mov ecx, edi
call fcn.1003a993
cmp byte [ebp + 0xf], bl
mov byte [edi + 0xe], bl
je 0x1008e698
mov dword [esi + 0x10], ebx
mov dword [esi + 8], ebx
mov byte [esi + 4], 0x14
mov word [esi + 2], bx
mov dword [esi + 0x14], ebx
mov dword [esi + 0xc], ebx
mov dword [esi + 0x1c], ebx
jmp 0x1008e6c4
mov eax, dword [ebp - 4]
cmp byte [eax + 0x6c], bl
je 0x1008e6c4
cmp byte [eax + 0x58], bl
je 0x1008e6c4
cmp dword [eax + 0x64], ebx
jne 0x1008e6af
push 8
pop ecx
jmp 0x1008e6b5
mov ecx, dword [eax + 0x60]
movzx ecx, byte [ecx]
mov dl, byte [eax + 0x59]
movzx cx, cl
push ecx
mov ecx, esi
call fcn.1008e6cb
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x1008e6cb
Capabilities:
Check for peb beingdebugged flag

Disassembly:
mov eax, 0x100d9d98
call fcn.100d0210
sub esp, 0x14
mov ax, word [ebp + 8]
push esi
mov esi, ecx
mov word [ebp - 0x10], ax
xor eax, eax
mov word [ebp - 0x14], 2
mov byte [ebp - 0x12], dl
mov word [esi + 2], 0x63
mov dword [esi + 0x1c], eax
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], eax
mov dword [ebp - 4], eax
lea eax, [ebp - 0x20]
push eax
lea ecx, [ebp - 0x14]
call fcn.1008e73c
lea eax, [ebp - 0x20]
lea ecx, [esi + 0x30]
push eax
call fcn.1008b125
lea eax, [ebp - 0x20]
lea ecx, [esi + 0x50]
push eax
call fcn.1008b125
push dword [ebp - 0x1c]
call fcn.10003369
pop ecx
pop esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
leave
ret 4

Function at 0x10095150
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov esi, ecx
push 0x31
call fcn.10094800
push 0x41
mov ecx, esi
call fcn.10094800
push 0x59
mov ecx, esi
call fcn.10094800
push 0x26
mov ecx, esi
call fcn.10094800
push 0x53
mov ecx, esi
call fcn.10094800
push 0x59
mov ecx, esi
call fcn.10094800
mov ecx, dword [esp + 0x1c]
or eax, 0xffffffff
xor edi, edi
xor ebp, ebp
mov bl, byte [ecx]
mov byte [esp + 0x10], bl
mov edx, dword [esp + 0x1c]
cmp edi, 4
mov cl, byte [edx + ebp]
mov byte [esp + 0x14], cl
jne 0x100951e0
test cl, cl
jbe 0x100951dc
mov edx, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
and edx, 0xff
and ecx, 0xff
mov edi, eax
shr edi, 0x18
xor edi, edx
shl eax, 8
mov edi, dword [edi*4 + 0x100f9c2c]
xor eax, edi
dec ecx
jne 0x100951c6
xor edi, edi
jmp 0x1009520f
cmp bl, cl
jne 0x100951e7
inc edi
jmp 0x100951f2
mov bl, cl
mov edi, 1
mov byte [esp + 0x10], bl
mov edx, dword [esp + 0x14]
mov ecx, eax
shr ecx, 0x18
and edx, 0xff
xor ecx, edx
shl eax, 8
mov ecx, dword [ecx*4 + 0x100f9c2c]
xor eax, ecx
mov ecx, dword [esp + 0x20]
inc ebp
cmp ebp, ecx
jb 0x1009519e
not eax
mov edi, eax
mov ecx, esi
push edi
call fcn.10094840
mov edx, dword [esp + 0x20]
mov eax, dword [esp + 0x1c]
push edx
push eax
mov ecx, esi
call fcn.10094960
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
Function at 0x10095420
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x18
push ebx
push ebp
push esi
mov esi, ecx
xor ebx, ebx
lea ecx, [esp + 0x14]
mov eax, dword [esi + 8]
mov edx, dword [esi + 0x8ce0]
mov dword [esp + 0x20], eax
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], 8
mov byte [esp + 0x1c], bl
mov dword [esi + 0x10], ecx
mov ecx, dword [esp + 0x28]
mov dword [esi + 0x8cd4], ebx
mov eax, dword [edx + 0x174]
mov edx, dword [esi]
push edi
push eax
push ecx
push edx
mov ecx, esi
call fcn.10095250
mov ecx, dword [esi + 0x8ce0]
cmp byte [ecx + 0x1a0], bl
je 0x1009549c
mov eax, dword [esi + 0x8cd8]
lea edx, [eax + eax*8]
shl edx, 3
sub edx, eax
mov eax, dword [ecx + 0x17c]
shl edx, 9
mov ecx, dword [edx + eax + 0x8cf0]
call fcn.100c8910
mov eax, dword [esi + 0x8cd4]
xor edx, edx
cmp eax, ebx
jbe 0x100954d9
lea edi, [esi + 0x7cd4]
mov eax, dword [esi + 0x8ce0]
add edi, 4
add eax, 0x178
mov ecx, dword [eax]
mov ebp, ecx
add ecx, ecx
shr ebp, 0x1f
or ebp, ecx
mov ecx, dword [edi - 4]
xor ebp, ecx
inc edx
mov dword [eax], ebp
mov eax, dword [esi + 0x8cd4]
cmp edx, eax
jb 0x100954ae
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x20]
mov edi, dword [esp + 0x1c]
push edx
mov edx, dword [esi + 8]
lea ecx, [eax*8 + 8]
sub ecx, edi
push ecx
mov ecx, dword [esi + 0x8ce0]
push edx
call fcn.100955b0
mov edi, dword [esi + 0x8ce0]
cmp byte [edi + 0x1a0], bl
je 0x10095599
mov ebp, dword [esi + 0x8cd8]
mov eax, dword [edi + 0x19c]
inc ebp
cmp ebp, eax
jne 0x10095524
xor ebp, ebp
cmp dword [edi + 0x1b4], ebx
je 0x10095575
lea ecx, [edi + 0x148]
call fcn.100084ab
mov ebx, dword [edi + 0x140]
mov ecx, 0xf
sub ecx, ebx
xor edi, edi
shr ecx, 3
add eax, ecx
adc edx, edi
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], edx
mov edx, dword [esi + 0x8ce0]
mov eax, dword [edx + 0x1b4]
lea edx, [esp + 0x10]
push edx
lea edx, [esi + 0x8cf8]
mov ecx, dword [eax]
push edx
push eax
call dword [ecx + 0xc]
mov ebx, eax
mov eax, dword [esi + 0x8ce0]
lea ecx, [ebp + ebp*8]
shl ecx, 3
mov edx, dword [eax + 0x17c]
sub ecx, ebp
shl ecx, 9
lea ecx, [edx + ecx + 0x8cf0]
call fcn.100c89c0
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret 4
Function at 0x100aad10
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 8]
push ebx
push esi
mov esi, ecx
xor bl, bl
xor cl, cl
xor eax, eax
push edi
mov edi, dword [esp + 0x10]
mov byte [esi + 4], 0
test edx, edx
mov dword [esi], 0xffffffff
jbe 0x100aad3d
xor cl, byte [eax + edi]
inc eax
cmp eax, edx
jb 0x100aad31
test cl, cl
jne 0x100aad57
test edx, edx
je 0x100aad57
mov bl, 1
mov ecx, edi
mov byte [esi + 4], bl
call fcn.100aad60
test eax, eax
mov dword [esi], eax
jge 0x100aad57
mov byte [esi + 4], 0
pop edi
mov al, bl
pop esi
pop ebx
ret 8
Function at 0x100b17b0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x40
xor eax, eax
push ebx
push esi
mov esi, dword [esp + 0x50]
mov ebx, ecx
push edi
mov ecx, 0x10
lea edi, [esp + 0xc]
cmp esi, 0x40
rep stosd dword es:[edi], eax
jbe 0x100b17ee
mov ecx, ebx
call fcn.100cf070
mov edx, dword [esp + 0x50]
push esi
mov ecx, ebx
call fcn.100d0020
lea edx, [esp + 0xc]
mov ecx, ebx
call fcn.100cf7f0
jmp 0x100b1806
mov ecx, esi
mov esi, dword [esp + 0x50]
mov eax, ecx
lea edi, [esp + 0xc]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0xc]
mov ecx, 0x10
mov edi, dword [eax]
add eax, 4
xor edi, 0x36363636
dec ecx
mov dword [eax - 4], edi
jne 0x100b180f
mov ecx, ebx
call fcn.100cf070
push 0x40
lea edx, [esp + 0x10]
mov ecx, ebx
call fcn.100d0020
lea eax, [esp + 0xc]
mov ecx, 0x10
mov edi, dword [eax]
add eax, 4
xor edi, 0x6a6a6a6a
dec ecx
mov dword [eax - 4], edi
jne 0x100b183d
lea esi, [ebx + 0x80]
mov ecx, esi
call fcn.100cf070
push 0x40
lea edx, [esp + 0x10]
mov ecx, esi
call fcn.100d0020
pop edi
pop esi
pop ebx
add esp, 0x40
ret 8

Function at 0x100b18b0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0xc8
push ebx
push ebp
push esi
push edi
mov edi, ecx
push 0x14
lea edx, [esp + 0x1c]
call fcn.100cf850
push 0x14
lea edx, [esp + 0x9c]
lea ecx, [edi + 0x80]
call fcn.100cf850
mov esi, dword [esp + 0xdc]
mov eax, dword [esi + 8]
mov ebx, dword [esi]
mov ebp, dword [esi + 4]
mov ecx, dword [esi + 0xc]
mov edx, dword [esi + 0x10]
mov dword [esp + 0x20], eax
mov dword [esp + 0x60], eax
mov eax, dword [esp + 0xe0]
test eax, eax
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x24], ecx
mov dword [esp + 0x28], edx
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], edx
jbe 0x100b1991
lea ecx, [edi + 0x20]
add edi, 0xa0
mov dword [esp + 0x14], edi
mov dword [esp + 0x10], ecx
mov edi, eax
mov ecx, dword [esp + 0x10]
lea edx, [esp + 0x98]
push edx
lea edx, [esp + 0x1c]
call fcn.100cf8b0
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x18]
push eax
lea edx, [esp + 0x9c]
call fcn.100cf8b0
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x60]
mov eax, dword [esp + 0x1c]
xor ebx, ecx
mov ecx, dword [esp + 0x20]
xor ebp, eax
mov eax, dword [esp + 0x64]
xor edx, ecx
mov ecx, dword [esp + 0x68]
mov dword [esp + 0x60], edx
mov edx, dword [esp + 0x24]
xor eax, edx
mov dword [esp + 0x64], eax
mov eax, dword [esp + 0x28]
xor ecx, eax
dec edi
mov dword [esp + 0x68], ecx
jne 0x100b192e
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x64]
mov eax, dword [esp + 0x68]
mov dword [esi], ebx
mov dword [esi + 4], ebp
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
mov dword [esi + 0x10], eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc8
ret 8
Function at 0x100b19c0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x40
xor eax, eax
push ebx
push esi
mov esi, dword [esp + 0x50]
mov ebx, ecx
push edi
mov ecx, 0x10
lea edi, [esp + 0xc]
cmp esi, 0x40
rep stosd dword es:[edi], eax
jbe 0x100b19fe
mov ecx, ebx
call fcn.100cfa00
mov edx, dword [esp + 0x50]
push esi
mov ecx, ebx
call fcn.100d0020
lea edx, [esp + 0xc]
mov ecx, ebx
call fcn.100d00b0
jmp 0x100b1a16
mov ecx, esi
mov esi, dword [esp + 0x50]
mov eax, ecx
lea edi, [esp + 0xc]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0xc]
mov ecx, 0x10
mov edi, dword [eax]
add eax, 4
xor edi, 0x36363636
dec ecx
mov dword [eax - 4], edi
jne 0x100b1a1f
mov ecx, ebx
call fcn.100cfa00
push 0x40
lea edx, [esp + 0x10]
mov ecx, ebx
call fcn.100d0020
lea eax, [esp + 0xc]
mov ecx, 0x10
mov edi, dword [eax]
add eax, 4
xor edi, 0x6a6a6a6a
dec ecx
mov dword [eax - 4], edi
jne 0x100b1a4d
lea esi, [ebx + 0x80]
mov ecx, esi
call fcn.100cfa00
push 0x40
lea edx, [esp + 0x10]
mov ecx, esi
call fcn.100d0020
pop edi
pop esi
pop ebx
add esp, 0x40
ret 8

Function at 0x100b20a0
Capabilities:
Generate random numbers via rtlgenrandom

Disassembly:
sub esp, 0xac
push ebx
push ebp
push esi
mov esi, ecx
push edi
lea ecx, [esp + 0x1c]
call fcn.100cfa00
mov ebp, 0x3e8
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push 4
lea edx, [esp + 0x14]
lea ecx, [esp + 0x20]
mov dword [esp + 0x14], eax
call fcn.100d0020
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push 4
lea edx, [esp + 0x14]
lea ecx, [esp + 0x20]
mov dword [esp + 0x14], eax
call fcn.100d0020
push str.Advapi32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
test edi, edi
je 0x100b213b
push str.SystemFunction036
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x100b2134
lea ecx, [esp + 0x9c]
push 0x20
push ecx
call eax
test al, al
je 0x100b2134
push 0x20
lea edx, [esp + 0xa0]
lea ecx, [esp + 0x20]
mov ebp, 0x64
call fcn.100d0020
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov ebx, dword [sym.imp.KERNEL32.dll_GetTickCount]
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
test eax, eax
je 0x100b215f
push 8
lea edx, [esp + 0x18]
lea ecx, [esp + 0x20]
call fcn.100d0020
call ebx
push 4
lea edx, [esp + 0x14]
lea ecx, [esp + 0x20]
mov dword [esp + 0x14], eax
call fcn.100d0020
mov edi, 0x64
mov edx, esi
lea ecx, [esp + 0x1c]
call fcn.100d00b0
lea ecx, [esp + 0x1c]
call fcn.100cfa00
push 0x20
mov edx, esi
lea ecx, [esp + 0x20]
call fcn.100d0020
dec edi
jne 0x100b2179
dec ebp
jne 0x100b2141
mov edx, esi
lea ecx, [esp + 0x1c]
call fcn.100d00b0
mov byte [esi + 0x20], 0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xac
ret
Function at 0x100b2320
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
push esi
mov ebp, ecx
mov ecx, dword [esp + 0x10]
push edi
xor edi, edi
xor eax, eax
lea edx, [ebp + 0x100]
lea esi, [edi + ecx]
xor ebx, ebx
add edx, 4
mov bl, byte [esi + eax]
mov ebx, dword [ebx*4 + 0x100ff5e0]
xor dword [edx - 4], ebx
inc eax
cmp eax, 4
jb 0x100b2337
add edi, 4
cmp edi, 0x10
jb 0x100b232c
pop edi
pop esi
pop ebp
pop ebx
ret 4

Function at 0x100b2b50
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x124
push esi
add ecx, 0x7c
push 0x20
push ecx
lea ecx, [esp + 0x30]
call fcn.100b19c0
mov eax, dword [esp + 0x12c]
push 4
lea edx, [esp + 8]
lea ecx, [esp + 0x2c]
mov dword [esp + 8], eax
call fcn.100d0020
lea ecx, [esp + 8]
push ecx
lea ecx, [esp + 0x2c]
call fcn.100b1a90
xor eax, eax
lea ecx, [esp + 8]
mov edx, 8
mov esi, dword [ecx]
add ecx, 4
xor eax, esi
dec edx
jne 0x100b2b99
pop esi
add esp, 0x124
ret 4
Function at 0x100b3b20
Capabilities:
Encode data using xor

Disassembly:
mov eax, edx
sub esp, 0xc0
and eax, 0xff
mov dl, al
push ebx
mov dh, dl
push esi
mov eax, edx
mov esi, ecx
shl eax, 0x10
push edi
mov ecx, 0x10
lea edi, [esp + 0xc]
mov ax, dx
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
xor ecx, ecx
sub esi, eax
mov bl, byte [esp + ecx + 0xc]
lea eax, [esp + ecx + 0xc]
mov dl, byte [esi + eax]
xor bl, dl
inc ecx
cmp ecx, 0x14
mov byte [eax], bl
jb 0x100b3b51
lea ecx, [esp + 0x4c]
call fcn.100cf070
lea edx, [esp + 0xc]
lea ecx, [esp + 0x4c]
push 0x40
call fcn.100d0020
lea ecx, [esp + 0x4c]
mov edx, dword [esp + 0xd0]
call fcn.100cf7f0
pop edi
pop esi
pop ebx
add esp, 0xc0
ret 4
Function at 0x100b5010
Capabilities:
Encode data using xor
Hash data using sha256

Disassembly:
push ecx
mov eax, ecx
push esi
xor esi, esi
mov dword [esp + 4], eax
mov dword [eax + 0x400], esi
xor edx, edx
add eax, 0x10
mov ecx, 0x1f83d9ab
lea ebx, [ebx]
mov dword [eax - 0x10], 0x6a09e667
mov dword [eax - 0xc], 0xbb67ae85
mov dword [eax - 8], 0x3c6ef372
mov dword [eax - 4], 0xa54ff53a
mov dword [eax], 0x510e527f
mov dword [eax + 4], 0x9b05688c
mov dword [eax + 8], ecx
mov dword [eax + 0xc], 0x5be0cd19
xor dword [eax - 8], edx
xor dword [eax - 0x10], 0x2080020
xor dword [eax - 4], 0x20000000
mov dword [eax + 0x10], esi
mov dword [eax + 0x14], esi
mov dword [eax + 0x18], esi
mov dword [eax + 0x1c], esi
mov dword [eax + 0x60], esi
mov dword [eax + 0x64], esi
inc edx
sub eax, 0xffffff80
cmp edx, 8
jb 0x100b5030
mov eax, dword [esp + 4]
mov dword [eax + 0x3f4], 0xffffffff
pop esi
pop ecx
ret

Function at 0x100b55d0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x10]
push ebp
push esi
mov esi, dword [eax]
push edi
mov ebp, ecx
xor edi, edi
and esi, 7
mov dword [esp + 0xc], ebp
cmp edx, 5
jae 0x100b55f7
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 8
ret 0xc
add dword [esp + 0x18], 5
push ebx
lea ebx, [edx - 4]
add ebx, ebp
mov dword [esp + 0x14], ebx
lea edx, [edi + ebp]
cmp edx, ebx
jae 0x100b561f
lea ecx, [ecx]
mov cl, byte [edx]
and cl, 0xfe
cmp cl, 0xe8
je 0x100b561f
inc edx
cmp edx, ebx
jb 0x100b5610
mov ecx, edx
sub ecx, edi
mov edi, edx
sub ecx, ebp
sub edi, ebp
cmp edx, ebx
jae 0x100b570b
cmp ecx, 2
jbe 0x100b5677
xor esi, esi
movzx ecx, byte [edx + 4]
lea eax, [ecx + 1]
test al, 0xfe
jne 0x100b56fc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx + 2]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx + 1]
shl ecx, 8
or eax, ecx
mov ecx, dword [esp + 0x1c]
lea ebp, [edi + ecx]
add edi, 5
cmp dword [esp + 0x24], 0
je 0x100b56a0
add eax, ebp
jmp 0x100b56a2
shr esi, cl
test esi, esi
je 0x100b5638
cmp esi, 4
ja 0x100b5695
cmp esi, 3
je 0x100b5695
mov ecx, esi
shr ecx, 1
movzx eax, byte [ecx + edx + 1]
inc eax
test al, 0xfe
jne 0x100b5638
or esi, 8
shr esi, 1
inc edi
jmp 0x100b5606
sub eax, ebp
test esi, esi
je 0x100b56d6
and esi, 6
add esi, esi
add esi, esi
mov ebx, eax
mov ecx, esi
shr ebx, cl
inc ebx
test bl, 0xfe
jne 0x100b56d0
mov ebx, 0x100
shl ebx, cl
dec ebx
xor eax, ebx
cmp dword [esp + 0x24], 0
je 0x100b56ce
add eax, ebp
jmp 0x100b56d0
sub eax, ebp
mov ebx, dword [esp + 0x14]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, eax
shr ecx, 8
mov byte [edx + 1], al
mov byte [edx + 2], cl
mov ecx, eax
shr eax, 0x18
shr ecx, 0x10
and al, 1
neg al
mov byte [edx + 3], cl
mov byte [edx + 4], al
jmp 0x100b5606
mov ebp, dword [esp + 0x10]
or esi, 8
shr esi, 1
inc edi
jmp 0x100b5606
pop ebx
cmp ecx, 2
jbe 0x100b5724
mov edx, dword [esp + 0x1c]
xor esi, esi
mov eax, edi
pop edi
mov dword [edx], esi
pop esi
pop ebp
add esp, 8
ret 0xc
mov edx, dword [esp + 0x1c]
shr esi, cl
mov eax, edi
pop edi
mov dword [edx], esi
pop esi
pop ebp
add esp, 8
ret 0xc
Function at 0x100b62a0
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x100b62c7
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x100b62d6
xor eax, eax
shr eax, 0x19
and eax, 1
add esp, 0x134
ret
lea ecx, [esp]
call fcn.100b6100
neg eax
sbb eax, eax
and eax, dword [esp + 0x18]
shr eax, 0x19
and eax, 1
add esp, 0x134
ret

Function at 0x100b63e0
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x100b6407
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x100b6410
xor eax, eax
add esp, 0x134
ret
lea ecx, [esp]
call fcn.100b6100
test eax, eax
je 0x100b6407
mov ecx, 7
xor eax, eax
cmp dword [esp], ecx
jb 0x100b645c
lea edx, [esp + 0xc]
push edx
mov dword [esp + 8], eax
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], eax
lea eax, [esp + 0xc]
push eax
lea edx, [esp + 0xc]
push edx
lea edx, [esp + 0xc]
call fcn.100b60a0
mov eax, dword [esp + 4]
mov ecx, dword [esp + 8]
shr eax, 0x1f
shr ecx, 9
and eax, ecx
add esp, 0x134
ret

Function at 0x100b6b00
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
or eax, 0xffffffff
push esi
mov dword [ecx + 0x34], edx
mov byte [ecx + 0x1f], dl
mov dword [ecx + 0x24], edx
mov dword [ecx + 0x468], eax
mov dword [ecx + 0x46c], eax
mov dword [ecx + 0x30], 0x20
mov dword [ecx + 0x48], 4
mov word [ecx + 0x1d], 1
lea esi, [ecx + 0x60]
mov eax, edx
and eax, 1
neg eax
and eax, 0xedb88320
mov ecx, edx
shr ecx, 1
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov dword [esi], ecx
inc edx
add esi, 4
cmp edx, 0x100
jb 0x100b6b32
pop esi
ret