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Auto Assembler problem... (bug???)

 
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Hans Henrik
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Joined: 18 Feb 2007
Posts: 178
PostPosted: Thu Jan 31, 2008 5:33 am    Post subject: Auto Assembler problem... (bug???) Reply with quote
well, it seems to be alot of codes i cant inject with CE... Sad



i was testing somthing with Cheat Engine and packet-editing, trying to make a game (tibia 7.6 OT) send the packet for "UH" 2 times, instead of 1

ive traced the assembly codes to this


Code:

MOV EBX, EAX
XOR EAX, EAX
POP EDX
MOV FS:[EAX], EDX
PUSH 0x02781492
LEA EAX, [EBP-0x0003E868]
MOV EDX, 0x0000000A
CALL -0x0005CB83
LEA EAX, [EBP-0x0003E834]
CALL -0x0005CBB2

blablabla



well, so i simply tried to run those instructions 2 times

Code:
alloc(TestPacketMem,2048) //2kb should be enough
label(returnhere)
label(originalcode)
label(exit)

02781460:
jmp TestPacketMem
returnhere:

TestPacketMem:
MOV EBX, EAX
XOR EAX, EAX
POP EDX
MOV FS:[EAX], EDX
PUSH 0x02781492
LEA EAX, [EBP-0x0003E868]
MOV EDX, 0x0000000A
CALL -0x0005CB83
LEA EAX, [EBP-0x0003E834]
CALL -0x0005CBB2


originalcode:
mov ebx,eax
xor eax,eax
pop edx

exit:
jmp returnhere



And: Error in line 16: PUSH 0x02781492 This instruction can't be compiled

so, removed that line to check if it gave more funny errors, and yea

Error in line 16 (whould be line 17 in ^ code): LEA EAX, [EBP-0x0003E868] This instuction can't be compiled

and removing again... MOV EDX, 0x0000000A cant be compiled.

and again... CALL -0x0005CB83 cant be compiled.

and Again...... LEA EAX, [EBP-0x0003E834] cant be compiled

and then at last, the last "CALL" command cant be compiled

while
Code:
MOV EBX, EAX
XOR EAX, EAX
POP EDX
MOV FS:[EAX], EDX

seems to be added without problems (but ofc wont make it send the winsock 1.1 packet 2 times Sad)

so.... What now????

(just a guess) auto asm isn't compitable with theese "instructions"??
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Zerith
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Posts: 468
PostPosted: Thu Jan 31, 2008 5:49 am    Post subject: Reply with quote
Try removing "0x"
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Hans Henrik
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Posts: 178
PostPosted: Thu Jan 31, 2008 5:57 am    Post subject: Reply with quote
Lol.... it actually worked Shocked

(well, when i think of it, it was only the code that included "0x" that didnt work 2)


Thanks Razz
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Spawnfestis
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Posts: 1746
Location: Pakistan
PostPosted: Thu Jan 31, 2008 7:12 am    Post subject: Reply with quote
Heads up!
0x is used in programming languages to specify if the address is hex or not and is not necessary in AutoAssembly.
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