杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
W(gOidKKz OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
iE6?Px9] <1>与远程系统建立IPC连接
8M<\?JD~_f <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
b.N$eJlQ& <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
u~]O #v <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
6Z}8"VJr { <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
o_i N(K <6>服务启动后,killsrv.exe运行,杀掉进程
fTq/9=Rq4 <7>清场
4X}.aZO&b 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Wb1?>q /***********************************************************************
M:PEY*4H Module:Killsrv.c
V*Q!J{lj^# Date:2001/4/27
D&dh>Pe1; Author:ey4s
Rj'Tu0l Http://www.ey4s.org QC,LHt?6 ***********************************************************************/
D8rg:,'6 #include
b] 5i` #include
D\4pLm"!v #include "function.c"
]jB`"to*} #define ServiceName "PSKILL"
(:9=M5d #n_ gry!5 SERVICE_STATUS_HANDLE ssh;
)8Q;u8jm1 SERVICE_STATUS ss;
~LfFLC /////////////////////////////////////////////////////////////////////////
P9W!xvV`w void ServiceStopped(void)
Ib&]1ger#= {
X$Y\/|!z ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
u6t%*'' ss.dwCurrentState=SERVICE_STOPPED;
] >4CBm$ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
]YciLc( ss.dwWin32ExitCode=NO_ERROR;
<Od5} ss.dwCheckPoint=0;
<K:L.c! ss.dwWaitHint=0;
\z8j6 h SetServiceStatus(ssh,&ss);
3nbTK3, return;
CZzgPId%x }
GzN /0:b /////////////////////////////////////////////////////////////////////////
.gJv})Vi void ServicePaused(void)
r .`&z {
v[b|J7k ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
N?{.}-Q ss.dwCurrentState=SERVICE_PAUSED;
PiVp(; rtQ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
]}Jb'(gMO4 ss.dwWin32ExitCode=NO_ERROR;
cD5N'3 ss.dwCheckPoint=0;
TB%NHq-! ss.dwWaitHint=0;
Q>yO,H| SetServiceStatus(ssh,&ss);
?X'l&k> return;
H?4t\pSS }
bCg)PJuB void ServiceRunning(void)
MFtC2* {
Htm;N2$d ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
S] R.:T_% ss.dwCurrentState=SERVICE_RUNNING;
3n)\D<f]# ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
[KW9J}] ss.dwWin32ExitCode=NO_ERROR;
V2B:
DIpr ss.dwCheckPoint=0;
i$g6C ss.dwWaitHint=0;
vPSY1NC5 SetServiceStatus(ssh,&ss);
VD90JU]X< return;
%%{f-\-7Ig }
A5IW[Gu! /////////////////////////////////////////////////////////////////////////
_x]q`[Dih void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
1uJpn {
q71V]! switch(Opcode)
WxJV
zHtR {
A2%RcKY7 case SERVICE_CONTROL_STOP://停止Service
9!,f4&G` ServiceStopped();
Z&6*8#wn break;
XNr8,[c case SERVICE_CONTROL_INTERROGATE:
_X~xfmU SetServiceStatus(ssh,&ss);
{O_`eS break;
A(1WQUu j }
e8U6D+jY return;
G7YBo4v }
Kwo0%2Onkd //////////////////////////////////////////////////////////////////////////////
.F]"%RK[ //杀进程成功设置服务状态为SERVICE_STOPPED
:OD-L)Or //失败设置服务状态为SERVICE_PAUSED
l:14uWu| //
\Z^Tk void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
.|/VD'xV" {
a\xf\$Ym ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
_m#P\f'p if(!ssh)
|!xqkmX {
.GiQC{@9w ServicePaused();
Vy+kq_9 return;
N 8pzs" }
yUX<W'-Hev ServiceRunning();
P] Xl Sleep(100);
)vD|VLV //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
[W8?ww%qT //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
|Li9Y"5 if(KillPS(atoi(lpszArgv[5])))
-"x25~k!?F ServiceStopped();
Wo,fHY else
"64D.c(r$ ServicePaused();
g]PC6xr38 return;
6G;t:[H G }
8C5*: x9l /////////////////////////////////////////////////////////////////////////////
t}2M8ue(& void main(DWORD dwArgc,LPTSTR *lpszArgv)
Ht7v+lY90^ {
L r9z~T:ED SERVICE_TABLE_ENTRY ste[2];
_MzdbUb5, ste[0].lpServiceName=ServiceName;
wQrD(Dv(yA ste[0].lpServiceProc=ServiceMain;
*/ok]kX' ste[1].lpServiceName=NULL;
FK,Jk04on ste[1].lpServiceProc=NULL;
3bR 6Y[ StartServiceCtrlDispatcher(ste);
fK5iOj'Q return;
JA
" }
FfibR\dhY /////////////////////////////////////////////////////////////////////////////
T#=&oy7 function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
d^G5Pq 下:
)"&\S6*! /***********************************************************************
5`f\[oA Module:function.c
G~19Vv*; Date:2001/4/28
skBzwVW I Author:ey4s
jHM}({)- Http://www.ey4s.org |&\cr\T\r ***********************************************************************/
c3|/8 #include
oU)HxV ////////////////////////////////////////////////////////////////////////////
\:_!! BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Q) Y&h'.( {
F!&_ TOKEN_PRIVILEGES tp;
4d )Q LUID luid;
Yf[GpSej br7_P1ep if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
<UBB&}R0 {
L`0}wR?+ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
XFcIBWS return FALSE;
nISfRXU; }
Bt1&C?_$T tp.PrivilegeCount = 1;
/rmm@ tp.Privileges[0].Luid = luid;
=y1/V'2E if (bEnablePrivilege)
Y)9]I6n7 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
5wGc"JHm else
rR3(yy0L tp.Privileges[0].Attributes = 0;
>Wr // Enable the privilege or disable all privileges.
UZ3oc[#D=] AdjustTokenPrivileges(
'/K-i.8F hToken,
5ofsJ!b' FALSE,
.5YIf~!59 &tp,
CsW*E,|xyP sizeof(TOKEN_PRIVILEGES),
7d'gG[Z^^ (PTOKEN_PRIVILEGES) NULL,
'X1fb:8m8 (PDWORD) NULL);
U{~R39 // Call GetLastError to determine whether the function succeeded.
AHtLkfr(r if (GetLastError() != ERROR_SUCCESS)
8A3!XA {
E/N*n!sV printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
*WX,bN6Ot return FALSE;
o 2sOf }
R'{BkC}. return TRUE;
RB `<Zw }
OBJk\j+Wi ////////////////////////////////////////////////////////////////////////////
LG3:V'| BOOL KillPS(DWORD id)
=_Y#uE$ {
~LuR)T=%es HANDLE hProcess=NULL,hProcessToken=NULL;
CkA
~'&C BOOL IsKilled=FALSE,bRet=FALSE;
YJEL'k<l __try
^GN |}W {
om'DaG`A f MDM\&f if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
|XdkJv] {
@I$; printf("\nOpen Current Process Token failed:%d",GetLastError());
d)X6x-( __leave;
_N&]w*ce }
6su^yt //printf("\nOpen Current Process Token ok!");
|6}:n,KA. if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
0/Wo":R: {
*K1GX __leave;
1Ev#[FOc }
drZ1D s printf("\nSetPrivilege ok!");
PgY q=|]` qf2;yRc& if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
C/L+:b&x~ {
dJ0qg_ U& printf("\nOpen Process %d failed:%d",id,GetLastError());
h#iFp9N __leave;
,/ P)c*at5 }
<M4Qc12jP //printf("\nOpen Process %d ok!",id);
Lp?JSMe if(!TerminateProcess(hProcess,1))
!@<>S>uGG {
^%qhE8 printf("\nTerminateProcess failed:%d",GetLastError());
^,.G<2Kx& __leave;
/6%<