joyce8/EMBER2024-capa huggingface dataset:
Function at 0x497f30
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005349d0
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.004e5560
add esp, 4
cmp eax, 0x72
jne 0x49808d
mov esi, dword [esp + 0x20]
mov eax, dword [esp + 0x14]
push ebp
push edi
mov edi, dword [esp + 0x2c]
mov ebp, eax
push edi
push esi
push dword [esp + 0x2c]
and eax, 1
shr ebp, 1
push dword [esp + 0x2c]
add eax, ebp
push eax
push dword [esp + 0x2c]
mov dword [esp + 0x24], eax
call fcn.00450ee0
push eax
call fcn.00497cc0
add esp, 0x1c
test eax, eax
jne 0x497f92
pop edi
pop ebp
pop esi
pop ecx
ret
push ebx
push 0xf8
push str.cryptokdf_tls1_prf.c
push edi
call fcn.0044a4d0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x497fe7
mov eax, dword [esp + 0x1c]
push edi
push ebx
push dword [esp + 0x30]
add eax, ebp
push dword [esp + 0x30]
push dword [esp + 0x20]
push eax
call fcn.00451140
push eax
call fcn.00497cc0
add esp, 0x1c
test eax, eax
jne 0x497fef
push 0xfd
push str.cryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044a5d0
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x49806e
cmp edi, 0x20
jb 0x49804b
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x49800c
cmp ecx, ebx
jae 0x49804b
mov ecx, edi
mov ebp, ebx
and ecx, 0xffffffe0
mov eax, esi
sub ebp, esi
nop word [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax + ebp - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [ebx + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jb 0x498020
cmp edx, edi
jae 0x49806e
mov ebp, ebx
lea ecx, [edx + esi]
sub ebp, esi
mov esi, edi
sub esi, edx
nop word [eax + eax]
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x498060
push 0x102
push str.cryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044a5d0
add esp, 0x10
mov eax, 1
pop ebx
pop edi
pop ebp
pop esi
pop ecx
ret
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call fcn.00497cc0
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret
Function at 0x4a9a60
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4a9b4c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x4a9add
movzx ecx, byte [edi - 1]
movzx eax, byte [edi]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 1]
shl ecx, 8
or ecx, eax
mov eax, ecx
shr eax, 0x12
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
mov eax, ecx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], al
mov eax, ecx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
and ecx, 0x3f
movzx eax, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
jmp 0x4a9b31
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x4a9af1
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], cl
cmp esi, 1
jne 0x4a9b1b
lea eax, [esi + 0x3c]
jmp 0x4a9b28
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
mov byte [edx], 0x3d
sub esi, 3
add ebx, 4
add edi, 3
inc edx
test esi, esi
jg 0x4a9a80
pop edi
pop esi
mov eax, ebx
mov byte [edx], 0
pop ebx
ret
mov eax, dword [esp + 0xc]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
ret
Function at 0x4a9d10
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
mov eax, 0x6c
call fcn.005349d0
mov eax, dword [0x597004]
xor eax, esp
mov dword [esp + 0x68], eax
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4a9d86
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4a9d7a
mov eax, 8
call fcn.005349d0
movsd xmm0, qword [0x5657d0]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004553c0
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4a9dea
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4a9dde
mov eax, 8
call fcn.005349d0
movsd xmm0, qword [0x5657d0]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004553c0
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
call fcn.004a9e70
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.005349d0
movsd xmm0, qword [0x542698]
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.004553c0
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 4], eax
mov eax, 8
call fcn.005349d0
movsd xmm0, qword [0x542698]
lea eax, [esp + 0xc]
movsd qword [esp], xmm0
push 4
push eax
call fcn.004553c0
mov ecx, dword [esp + 0x78]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.004058df
add esp, 0x6c
ret
Function at 0x4aee50
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.005349d0
mov eax, dword [0x597004]
xor eax, esp
mov dword [esp + 0x88], eax
mov edx, dword [esp + 0xa0]
xor eax, eax
push ebx
mov ebx, dword [esp + 0x9c]
push ebp
mov ebp, dword [esp + 0x9c]
push esi
mov esi, dword [esp + 0x9c]
push edi
mov edi, dword [esp + 0xac]
mov dword [esp + 0x10], edx
test edi, edi
je 0x4aeeb6
cmp edi, dword [esi]
je 0x4aeead
test ebp, ebp
je 0x4aef30
test ebx, ebx
js 0x4aef30
mov eax, 1
mov dword [esi], edi
jmp 0x4aeebc
mov edi, dword [esi]
test edi, edi
je 0x4aef30
test ebp, ebp
je 0x4af04a
push edi
call fcn.0046bec0
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4aeef0
push 0x28
push str.cryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.00461690
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4aef4b
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.00450a60
add esp, 0xc
test eax, eax
je 0x4aef30
push ebx
push ebp
push dword [esi + 4]
call fcn.00450c10
add esp, 0xc
test eax, eax
je 0x4aef30
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004509c0
add esp, 0xc
test eax, eax
jne 0x4aef67
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004058df
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4aef30
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.00518100
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4aef8a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.00517fa0
add esp, 0xc
mov edx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x14]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4aef90
push edx
push edi
push dword [esi + 8]
call fcn.00450a60
add esp, 0xc
test eax, eax
je 0x4aef30
push edi
call fcn.0046bec0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.00450c10
add esp, 0x10
test eax, eax
je 0x4aef30
xor ecx, ecx
nop dword [eax]
mov al, byte [esi + ecx + 0x14]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4aefe0
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.00450a60
add esp, 0xc
test eax, eax
je 0x4aef30
push edi
call fcn.0046bec0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.00450c10
add esp, 0x10
test eax, eax
je 0x4aef30
push dword [esi + 8]
push dword [esi + 4]
call fcn.00450c40
add esp, 8
test eax, eax
je 0x4aef30
mov eax, 1
jmp 0x4aef32
test eax, eax
je 0x4af02a
jmp 0x4aef8e
Function at 0x4c9290
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0x10]
mov edx, 0x400
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
mov edi, 0x80
mov esi, edx
mov ecx, edi
mov byte [ebp], 0
cmp dword [esp + 0x18], ecx
cmovle ecx, dword [esp + 0x18]
test eax, eax
cmovg esi, eax
cmp esi, edx
cmovg esi, edx
mov dword [esp + 0x14], esi
test ecx, ecx
jle 0x4c92e5
mov ebx, dword [esp + 0x1c]
mov edx, ebp
sub ebx, ebp
mov esi, ecx
mov al, byte [ebx + edx]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub esi, 1
jne 0x4c92d3
mov esi, dword [esp + 0x14]
movzx ebx, byte [ecx + ebp - 1]
cmp ecx, edi
jge 0x4c930a
mov edx, ebp
movzx eax, byte [edx]
lea edx, [edx + 1]
add eax, ebx
movzx eax, al
movzx ebx, byte [eax + 0x57b9b0]
mov byte [ecx + ebp], bl
inc ecx
cmp ecx, edi
jl 0x4c92f0
mov ecx, dword [esp + 0x14]
lea ebx, [esi + 7]
sar ebx, 3
neg ecx
sub edi, ebx
and ecx, 7
movzx eax, byte [edi + ebp]
lea esi, [edi + ebp]
mov edx, 0xff
sar edx, cl
and edx, eax
movzx ecx, byte [edx + 0x57b9b0]
mov byte [esi], cl
test edi, edi
je 0x4c9358
nop dword [eax + eax]
movzx eax, byte [esi + ebx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x57b9b0]
mov byte [esi], cl
sub edi, 1
jne 0x4c9340
lea esi, [ebp + 0xfc]
mov edi, 0x40
lea edx, [ebp + 0x7e]
movzx ecx, byte [edx + 1]
lea esi, [esi - 4]
movzx eax, byte [edx]
lea edx, [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [esi + 4], ecx
sub edi, 1
jne 0x4c9366
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4cb000
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005349d0
mov eax, dword [0x597004]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov dword [esp], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x18], eax
push ebx
push ebp
movzx ebx, byte [eax]
lea ebp, [eax + 1]
mov edx, ebp
shl ebx, 0x18
push esi
push edi
mov edi, dword [esp + 0x54]
movzx eax, byte [edx]
movzx ecx, byte [edx + 3]
shl eax, 0x10
or ebx, eax
shl ecx, 0x18
movzx eax, byte [edx + 1]
shl eax, 8
or ebx, eax
mov esi, dword [edi]
movzx eax, byte [edx + 2]
or ebx, eax
mov dword [esp + 0x1c], edi
movzx eax, byte [edx + 4]
shl eax, 0x10
or ecx, eax
mov dword [esp + 0x24], ebp
movzx eax, byte [edx + 6]
mov dword [esp + 0x14], ecx
movzx ecx, byte [edx + 5]
mov edx, dword [esp + 0x14]
shl ecx, 8
or ecx, eax
mov dword [esp + 0x14], ebx
mov eax, ebx
mov byte [esp + 0x2f], bl
shr eax, 0x18
or edx, ecx
mov byte [esp + 0x2c], al
mov eax, ebx
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, dword [esp + 0x48]
mov dword [esp + 0x18], edx
mov byte [esp + 0x33], dl
test eax, eax
je 0x4cb1c5
mov ecx, dword [esp + 0x10]
mov edi, dword [esp + 0x40]
sub ecx, edi
mov dword [esp + 0x10], ecx
xor ebp, ebp
nop dword [eax]
dec eax
mov dword [esp + 0x48], eax
test esi, esi
jne 0x4cb155
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.004caa10
mov ebx, dword [esp + 0x1c]
add esp, 8
mov edx, dword [esp + 0x18]
mov eax, ebx
shr eax, 0x18
mov byte [esp + 0x2c], al
mov eax, ebx
mov ecx, dword [esp + 0x10]
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
inc ebp
mov byte [esp + 0x2f], bl
mov byte [esp + 0x32], al
mov byte [esp + 0x33], dl
mov al, byte [esp + esi + 0x2c]
inc esi
xor al, byte [edi]
and esi, 7
mov byte [ecx + edi], al
inc edi
mov eax, dword [esp + 0x48]
test eax, eax
jne 0x4cb0f0
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x4cb1ac
mov ecx, dword [esp + 0x28]
mov eax, ebx
shr eax, 0x18
mov byte [ecx], al
mov eax, ebx
shr eax, 0x10
mov byte [ebp], al
mov eax, ebx
shr eax, 8
mov byte [ebp + 1], al
mov eax, edx
shr eax, 0x18
mov byte [ebp + 2], bl
mov byte [ebp + 3], al
mov eax, edx
shr eax, 0x10
mov byte [ebp + 4], al
mov eax, edx
shr eax, 8
mov byte [ebp + 5], al
mov byte [ebp + 6], dl
mov eax, dword [esp + 0x1c]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.004058df
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
mov dword [edi], esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004058df
add esp, 0x2c
ret
Function at 0x4cecd0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.005349d0
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x4ced1d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4ced1d
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x4ced00
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x4cedd7
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4ced67
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x4cedb9
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x4ceda3
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x4ced50
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4cee45
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x4cee22
push ebx
call fcn.004cee90
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x4cee33
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4cf4a0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4cf4b4
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x4cf569
jb 0x4cf4d9
test eax, eax
jne 0x4cf569
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x4cf519
nop
test esi, esi
je 0x4cf505
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4cf4f0
jmp 0x4cf509
test edi, edi
jne 0x4cf55c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d07c0
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4cf53e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d0580
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4cf55c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4cf55c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4cf550
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret
Function at 0x4d07c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x14
call fcn.005349d0
mov eax, dword [esp + 0x18]
push ebx
push ebp
push esi
movzx ecx, byte [eax + 0xf]
mov esi, dword [esp + 0x28]
mov ebp, ecx
and ecx, 0xf
mov dword [esp + 0x24], 0
add ecx, ecx
and ebp, 0xfffffff0
push edi
mov ebx, dword [esi + ecx*8]
mov edi, dword [esi + ecx*8 + 4]
mov edx, dword [esi + ecx*8 + 8]
mov ecx, dword [esi + ecx*8 + 0xc]
mov esi, edx
shrd edx, ecx, 4
and esi, 0xf
mov dword [esp + 0x14], ebx
or dword [esp + 0x28], edx
shl dword [esp + 0x14], 0x1c
shrd ebx, edi, 4
mov edx, dword [esi*4 + 0x580c20]
mov esi, dword [esp + 0x2c]
shr ecx, 4
or dword [esp + 0x14], ecx
xor ecx, ecx
shr edi, 4
xor ecx, ebx
xor ecx, dword [esi + ebp]
xor edx, edi
xor edx, dword [esi + ebp + 4]
mov edi, dword [esp + 0x28]
mov ebx, dword [esp + 0x14]
xor edi, dword [esi + ebp + 8]
xor ebx, dword [esi + ebp + 0xc]
mov dword [esp + 0x18], edx
mov edx, 0xe
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edx
nop dword [eax + eax]
movzx edx, byte [edx + eax]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, edx
shr ecx, 4
and edx, 0xf
mov dword [esp + 0x20], ecx
add edx, edx
mov ecx, edi
shl ebp, 0x1c
shrd edi, ebx, 4
and ecx, 0xf
mov dword [esp + 0x28], 0
shr ebx, 4
or esi, edi
or ebp, ebx
xor edi, edi
mov ebx, dword [ecx*4 + 0x580c20]
mov ecx, dword [esp + 0x18]
shrd dword [esp + 0x10], ecx, 4
xor edi, dword [esp + 0x10]
shr ecx, 4
xor ebx, ecx
mov ecx, dword [esp + 0x2c]
xor ebx, dword [ecx + edx*8 + 4]
xor ebp, dword [ecx + edx*8 + 0xc]
xor edi, dword [ecx + edx*8]
xor esi, dword [ecx + edx*8 + 8]
mov edx, edi
shrd edi, ebx, 4
mov ecx, esi
shl edx, 0x1c
shrd esi, ebp, 4
and ecx, 0xf
shr ebx, 4
or dword [esp + 0x28], esi
shr ebp, 4
or edx, ebp
xor ebp, ebp
mov ecx, dword [ecx*4 + 0x580c20]
xor ebp, edi
xor ecx, ebx
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x20]
mov ebx, ebp
add edx, edx
mov dword [esp + 0x10], ebp
mov ebp, dword [esp + 0x2c]
xor ebx, dword [ebp + edx*8]
xor ecx, dword [ebp + edx*8 + 4]
mov dword [esp + 0x10], ebx
mov ebx, dword [esp + 0x28]
xor ebx, dword [ebp + edx*8 + 8]
mov dword [esp + 0x28], ebx
mov ebx, dword [esp + 0x14]
xor ebx, dword [ebp + edx*8 + 0xc]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x28]
sub edx, 1
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], edx
jns 0x4d0860
mov edx, dword [esp + 0x18]
shr ecx, 0x18
mov byte [eax], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov byte [eax + 3], dl
mov edx, dword [esp + 0x10]
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 5], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 6], cl
mov ecx, ebx
shr ecx, 0x18
mov byte [eax + 8], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 9], cl
mov ecx, ebx
shr ecx, 8
mov byte [eax + 0xa], cl
mov byte [eax + 7], dl
mov edx, edi
mov ecx, edx
mov byte [eax + 0xb], bl
shr ecx, 0x18
mov byte [eax + 0xc], cl
mov ecx, edx
shr ecx, 0x10
pop edi
mov byte [eax + 0xd], cl
mov ecx, edx
pop esi
shr ecx, 8
pop ebp
mov byte [eax + 0xe], cl
mov byte [eax + 0xf], dl
pop ebx
add esp, 0x14
ret
Function at 0x4d3220
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Encrypt data using salsa20 or chacha

Disassembly:
mov eax, 0x98
call fcn.005349d0
mov eax, dword [0x597004]
xor eax, esp
mov dword [esp + 0x94], eax
mov ecx, dword [esp + 0xa8]
push edi
mov edi, dword [esp + 0xa0]
mov dword [esp + 4], edi
mov eax, dword [ecx]
mov dword [esp + 0x68], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x6c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x70], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x74], eax
mov eax, dword [ecx + 0x10]
mov dword [esp + 0x78], eax
mov eax, dword [ecx + 0x14]
mov dword [esp + 0x7c], eax
mov eax, dword [ecx + 0x18]
mov dword [esp + 0x80], eax
mov eax, dword [ecx + 0x1c]
mov ecx, dword [esp + 0xb0]
mov dword [esp + 0x84], eax
mov dword [esp + 0x58], 0x61707865
mov dword [esp + 0x5c], 0x3320646e
mov eax, dword [ecx]
mov dword [esp + 0x88], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x8c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x90], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x94], eax
mov eax, dword [esp + 0xa8]
mov dword [esp + 0x60], 0x79622d32
mov dword [esp + 0x64], 0x6b206574
test eax, eax
je 0x4d341d
push ebx
mov ebx, dword [esp + 0xa8]
push ebp
push esi
nop
mov esi, 0x40
cmp eax, esi
cmovb esi, eax
lea eax, [esp + 0x64]
push eax
lea eax, [esp + 0x28]
mov dword [esp + 0x24], esi
push eax
call fcn.004d3440
add esp, 8
xor eax, eax
test esi, esi
je 0x4d33ec
cmp esi, 0x20
jb 0x4d33c4
lea edx, [edi - 1]
lea ecx, [esp + esi + 0x23]
add edx, esi
cmp edi, ecx
ja 0x4d333c
lea ecx, [esp + 0x24]
cmp edx, ecx
jae 0x4d33c4
lea ecx, [ebx - 1]
add ecx, esi
cmp edi, ecx
ja 0x4d3349
cmp edx, ebx
jae 0x4d33c4
mov ebp, esi
lea edx, [edi + 0x10]
lea esi, [esp + 0x24]
mov ecx, ebx
sub ecx, esi
and ebp, 0xffffffe0
mov dword [esp + 0x14], ecx
mov ecx, edi
sub ecx, esi
mov dword [esp + 0x18], ecx
mov ecx, ebx
mov ebx, dword [esp + 0x14]
sub ecx, edi
mov esi, dword [esp + 0x18]
mov edi, ecx
mov dword [esp + 0x1c], ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + eax + 0x24]
lea ecx, [ebx + eax]
movups xmm1, xmmword [esp + ecx + 0x24]
lea ecx, [esi + eax]
lea edx, [edx + 0x20]
pxor xmm1, xmm0
movups xmm0, xmmword [esp + eax + 0x34]
add eax, 0x20
movups xmmword [esp + ecx + 0x24], xmm1
movups xmm1, xmmword [edi + edx - 0x20]
pxor xmm1, xmm0
movups xmmword [edx - 0x20], xmm1
cmp eax, ebp
jb 0x4d3380
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x10]
mov ebx, dword [esp + 0xb0]
cmp eax, esi
jae 0x4d33ec
lea ecx, [esp + 0x24]
mov ebp, edi
sub ebx, ecx
sub ebp, ecx
lea edx, [esp + 0x24]
add edx, eax
inc eax
mov cl, byte [ebx + edx]
xor cl, byte [edx]
mov byte [edx + ebp], cl
cmp eax, esi
jb 0x4d33d2
mov ebx, dword [esp + 0xb0]
mov eax, dword [esp + 0xb4]
add edi, esi
inc dword [esp + 0x94]
sub eax, esi
add ebx, esi
mov dword [esp + 0x10], edi
mov dword [esp + 0xb0], ebx
mov dword [esp + 0xb4], eax
test eax, eax
jne 0x4d32f0
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x98]
pop edi
xor ecx, esp
call fcn.004058df
add esp, 0x98
ret
Function at 0x4d6520
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x4d6534
mov dword [esp + 0x18], fcn.004d4d00
jmp fcn.004cea20
mov dword [esp + 0x18], fcn.004d3fa0
jmp fcn.004ce760