Jump to content
pyth0n3

[Reverse] Locate memory address

Recommended Posts

Se da urmatorul executabil compilat:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

begin 644 addr.tar.bz2
M0EIH.3%!629363;W0%@`"%Y_________[__[________W_3^[O]_:9KMSVVD
M^'5N?V??X`I_;W`U=P2<=W?;W+X[ITDWSNG6<$@]S-M[/AII$T"IX1HT:::3
M4_5/"9,HTVIFFAJ8GJ>4]&HT-#:)Z1DVB:&F(9&33U,0--`#0TTS0F$,CTC3
M31M33$!H`T;*#0DTQ`:F330FTC2,IM3]32#U`TT:``````-``T#(-````#0&
M@``````!H`:F")*::>H`-!H`:!H`!H!H```!B!H```&@&@```&30````-`&C
M)H"0I$`1(VTFIY(VIHT#U`&)H``-`&@`>H```-!HT``#U````````&@``#L4
M#0`T&@-`TR`-``-`:`,@`````#U#(T:`R:``T#(&31H```,@`&@)$B$)IJ;*
MGZ3$GIJ'IE-/*'I&FFFC0`!IZF@``::#0`#0`!H`T`]0`!H`:``#30``#_JX
M&G85F@4L65B:1&0;$UWJ:NU5+GHO;3%JN0F2+9G<.BRET18&W9X[MZ_7D68L
MO*RG8M7HGZ6HM.>`WYJ$`5=UKT*MRY6&$V-T=&EP+QRNYC*1QW6+0Y?_9[J-
M[XS*\K2W*:;;<318,2E!R(TRO1#C9RZS[91`R9!G9BXS,>:S=S4646)1":\A
M-!*46D[J,`VM!0CY:@2Y40?QCT*?A<7HXG*YO.Y.6RYSN'O>'O.EE*<336J$
MIV$+7D`97-67M-%WQ=HQ$'CD(G68UQ-E"74#*MOA?.$28*M@>M<O'<0ZK56^
MY:!U!@+)T,K([5J2K%N1:D"``>:0$1<^:A^CW4Y[1QN(2$0%*Z>_5[']':\S
M0=!X%W-CQ>BW(2`(0GS$4'.W.LUSD0((Z2HFI/P??PYF6B0#;UU^QITW%E;<
MT72A.ZY5A"3R_Z-DY&B$RZ\Q3#%Q;,B*/)G;C.-=\U!QHH*>()^FDFZ*ED+Z
M&.QQRMH16:LN%+`H&\?1ZOP-2VFLY?)B"PK)!?J2NL7$JIK+571'*LM-?*,.
M._]1BVN7].4Z&Q[]LKM'IL6U;"6=P(F67?\W^WXKV]^=!Q$8,-(&U#0H8@4-
M)8;`+C!)9;21@XA`NK8!<:MUQ!E.C$C9&@1E,"NU#`T5V((+I5$.D"PQ*.PP
M",;!M)NE*5LK*U*ZJ*C?0P*W1HJ=RD&PC`J&6&M&W7%AR8&!I6+8'?>!@7&%
MUJ-%IK"N1(H[32C&VVPK:2O,C"6K]!1FHS<2L-(*F+4.TP56")"DT@H:2F,)
M,`U+`FTE-I"J8&?:0IL0#:0V@W=A?-(DT:%B*S$!)B-.U&&2T$&&_+3TH%3`
MC=Z@,<;HB^T9ML:"C"C(P(8\HU21081C&.[@JJ543LL4@VRK#9*(&A2!2$7C
M)A\MHFIG'F5=!41AW>'[T[?E6<#7*PKAYB!_Q7L+QFC>P\#?OOW[@_#+0;(5
MEZQAIB.T(84`K2@+EC()<0B;,I71Q0X&EX5/.8`_+4*(JAC6JZ9*CVU2QL0O
M:3S`K2]]J+K\.=A>Z^8I>A2VZ#C&RK5-0E@!W%J&T0*"9Z",DT&SR08KOLJ`
M;SV3!K&IS@6;8+A&@*^D3(5]H09+TFR@2G'\YCZK]<_H+2W%BNNZ/6-'%?>:
M:$Y$(E@)V!P)@N+@,9/X('C[X8:B!C&6"#J`D`>.7Z:J1U)8:&TKP``#.(!$
M`Z`0"-(-M+/,T:K$52C]OMUI43X]Y+#;&'>L1:8&H>4&*CQ<;4@@H*SD/ZV\
MCZ=SI^QF^SD)Q,Q4"-.X*(T,477T&<Q3(8Z]_:[S+A>:-.UK>=@L9FUX<$+:
MD#$<K;A#<HV48CW6`9JRHT#"XFK@Z*1M43$VFJQL<8?K^1"T%-%!&1)CGR&Y
M)@Y?-Q0FQ#!;!.8B,8CSR#[0XB9F"&K`S:,P\I!2=``RB>B@@(!318D!A7,#
M(P\W"!"!*%$(`'!2121`9O1&*!`Q!7I!['"`A'C2[O-'^@6DI\DE3*R7,WN5
M(E`DR$F@.K[.0O](3"2(GI=/(G.5V:"EA8:AV-?T$?/,IR!P!<6CBS.!9#2(
MW21I)L39!HPFB`A-G9$(TZHVN8>/38QJA6V!31`AM2S(4VA%ZPU(P"YG:/O=
MFA(4(>T^Q(1>/][=K16N3V^H*?<6EDCUM>L<()(L,S"!*7,R)K@I_"H8P<HV
M12'9SXZ<0.[9JAI"?2,[\F[<!`Z,K.@L-+&8;PQ4MNFK9)2WR"AW38Z*59T>
M?E2"[G=FLS"K>5;6!-`W0GC,*?AF:"=,[QYRM08=B`L/I8@Q7<9F68#P(4BJ
M(4LBHRVI-HV?2M7@)!?(_LX,WD,`D'+9R2Q,F;#"6L(`-4%3"VV4#.(-EA#"
MVHI/34A3+TL(/&6J(EBY917W0W8U<BK$SY`4#Q_R+$E)F`502=G1:ZQ*=#.W
M+IH)D\JG6!SE1V(AZJ676X/Q,\?8Y@NI:-;5"*FC"H@+'<1?.DZZ9CM]'%D9
MPS,BM.ND#ZZ*'?R&X*/)SI9SUG4VBU7KU"81P.7J9XQW0""K9@\XA*_0GB@J
M(1$$A,)48%(!B=:,7AM+'/F$!LFMJ],S@6XXPFD&H+0"]Z+FN#0I6#/Q7X
MX!GSZZX[Q'I*42F^H='G=#X^#2@:$0T@8M?.&*.>+(9`!UL:4Q'6HY6@TQ].
M<TRV-(;#8;Z_*.MM!B*4+%MW)8ZO^_LA>UR$U2?J[450#R&LCEJ(-P^`Y+
MVSV&G[GSI<F1*L0+`2O/(Y=2L^"Q*&*%L*3@,3@.?T1//J:*9)*;8"6#J2J>
MQ8+*(J^_D7F,]4UHTC!U?WS%O:HRJI_FFL)8S,<&%C25,I1,<6@]7/^!Q$Q1
MMN64$&H"C.B+/#2*`=&_QR+PW<6F$`/Q+=-<^T(P2$-[%QWSFIF:-"51(I*P
M%?!DI>NCDAEI5'&ER3IKIH(NZA$R@OE5=(A%^7;W+K3`@*J8AT0PS>7.W49D
M5RVJ(M1P,.9$8A/"H%-E1S)P%@"(-6'@'"M!&@%$)R;XX*%\1`"\`PEQ9,3P
MH.6,(2^Z-)6LY.[:DD"3&A':,L=*P&``V6V@-)0+<FN?(%$94HYUCH1OS21>
MWW9BF^Y>$5`KO%P7)"["Y60P!S&$=!EG90"EQ4D>6&V4D+S=[Q6!;H<`M#1W
ML%O1I%40NM#PJV*KC$<*%#--A@S#A2=\PF%9(JHOI2B!CI-0I23,.BLIW1U4
MUTY!*`*,$:J)5-%0/"W$,(P!WZ,:>'BE9%P@I#$%07AB%FN14*N1T!+A>O8E
M$SSAN"`K<DA02BD2BLV+#`$"U$%`P(A7)NFQNN$@-D!J$#PT(Y0DJ*$.4'SA
MBW6B(/-U;I7B!5QBORO)JJE+E,RI.$"D;$QKQ'JA"$[41J$0,5U$$%F9,"&G
M,-#$GI;9B*T+U9<W8AF<0&`.1A1@&@S,&$@&REA9FBB<?+$*Q+?JX^X(Y*0_
M':4W.8_(F%0:`\MPW9TY?-"*:9"@R]!*=&>(F<SF9F.7$*K.7J5BZ4KD29YJ
MR*]%9ZP#?3=2-]XG;I.SRM1[A,5BW5O'0;_N3_ZWS-_@`,$-//K^#59NQOFK
M_6$TLO75(5CT<$6"+.3)IICMU:/:O0O]WMD`L*W40P_7)28YPB^PO`80(-W1
M`8/+I7K=7LA`.@GMBWXRE*U\%.*!4*[)K)(FA:UKBA:&-=4MYRF-!J@HG.L"
M*45BAG:EB&--6@&0;%L-12)N9%GO_16<J@OH2?6ULO6K8D9!11I#.RAAHU+P
MX3PICW1UGXEI>N#TT/K*K#&!,=?\BF]OLZ-L^PRZU9A",(@$Q:9GJ#_&WTM>
M]-<0C14?:?##!"8J#$&P8"ZDRS0T+Y_-ZB.`N[A2?&EHP*GY+04/+VZ6]#>I
M-=EAI?T\712SB9>%5:NR\\SYY4[;+&&4HDG457@21(P5:0W<<1B0TD#'^978
M_0>'E3`DK'$H/-%R43:/7=H6H*LM,^%@8@#Y![6]5@!*`4?Y?D,O:"[KAX\Y
/\7UO@_XNY(IPH2!M[H"P
`
end
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)

iF4EAREIAAYFAk+7fsEACgkQ7qSRZzZm+uAZpQD9FJYfNCm0eZ6ini/FuUxhrOPx
Te40REn3xLmaH83JKdUBAKRj2cQEouVJpbmUnIhzbT7F1gt7dnO0rxkrdveNalH7
=vX0e
-----END PGP SIGNATURE-----

Se cere:

1.Identificati care sunt variabilele definite

2.Specificati adresa de memorie pentru fiecare variabila

3.Pentru fiecare variabila in parte identificati segmentul adresei de memorie in care a fost stocata variabila

Edited by pyth0n3
Link to comment
Share on other sites

Daca prezint imaginea de mai sus la clasa de copiii imi vor spune ca este un gandac , daca este un curs de engleza imi vor spune ca este un bug ,iar daca facem cateva jocuri de cuvinte cu prefixe vom ajunge la debug si daca il aruncam pe google vom obtine alte informatii.Prin logica coreland aceste informatii la ceea ce am scris in primul post se poate ajunge la o concluzie.

Link to comment
Share on other sites

Rezolvarea a fost deja postata pe forum impreuna si codul sursa trebuia doar facut copy && paste , probabil memory addressing e un lucru neinteresant si plictisitor.(ar fi trebuit sa postez ceva mai cool ,spre exemplu cum sa obtii mai multe like-uri pe un portal de social network avand in vedere faptul ca nu exista o pagina pe acest forum in care sa nu existe un topic despre asa ceva) Solved && Closed!

Link to comment
Share on other sites

Guest
This topic is now closed to further replies.


×
×
  • Create New...