Date: Wed, 28 Mar 2001 02:40:51 -0800 From: Tani Hosokawa <unknown@riverstyx.net> To: Rahul Siddharthan <rsidd@physics.iisc.ernet.in> Cc: chat@freebsd.org Subject: Re: Virus targetting both Windows and Linux? Message-ID: <20010328024051.A17641@riverstyx.net> In-Reply-To: <20010328114017.B96090@lpt.ens.fr>; from rsidd@physics.iisc.ernet.in on Wed, Mar 28, 2001 at 11:40:17AM %2B0200 References: <20010328114017.B96090@lpt.ens.fr>
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Of course it is. Fundamentally this is no different from a virus that can, for example, infect PE and DOS executables. Different file formats, different system calls, and that's all there is to it. On Wed, Mar 28, 2001 at 11:40:17AM +0200, Rahul Siddharthan wrote: > Is this at all possible? > http://dailynews.yahoo.com/h/nm/20010327/wr/virus_winux_dc_1.html > > > -- > /* efdtt.c Author: Charles M. Hannum <root@ihack.net> */ > /* */ > /* Usage is: cat title-key scrambled.vob | efdtt >clear.vob */ > > #define K(i)(x[i]^s[i+84])<< > unsigned char x[5],y,z,s[2048];main(n){for(read(0,x,5);read(0,s,n=2048);write(1 > ,s,n))if(s[y=s[13]%8+20]/16%4==1){int i=K(1)17^256+K(0)8,k=K(2)0,j=K(4)17^K(3)9 > ^k*2-k%8^8,a=0,b=0,c=26;for(s[y]-=16;--c;i/=2,j/=2)a=a*2^i&1,b=b*2^j&1;for(j= > 127;++j<n;c=z+c>y)a^=a>>14,a=a>>8^(y=a^a*8^a<<6)<<9,b=b>>8^(z=b^b/8^b>>4^b>>12) > <<17,i=s[j],i="7Wo~'G_\216"[i&7]+2^"cr3sfw6v;*k+>/n."[i>>4]*2^i*257/8,s[j]=i^(i > &i*2&34)*6^z+c+~y;}} > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-chat" in the body of the message -- tani hosokawa river styx internet To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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