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。
/8cfdP Ba OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
??]b,f4CNa <1>与远程系统建立IPC连接
n_ 3g <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
=<BPoGs5 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
S9
p*rk~ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
' ?4\ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
dmB
_`R <6>服务启动后,killsrv.exe运行,杀掉进程
KUV(vAY, <7>清场
Wr j<}L| 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
b41f7t= /***********************************************************************
x(]Um! Module:Killsrv.c
Kggc9^ 7 Date:2001/4/27
_c z$w5` Author:ey4s
9} *Pb6 Http://www.ey4s.org lH%%iYBM ***********************************************************************/
tM:%{az #include
S5+W<Qs #include
7hzd. #include "function.c"
c,yjsxETW #define ServiceName "PSKILL"
J4) ?hS v1R t$[ SERVICE_STATUS_HANDLE ssh;
VYo2m SERVICE_STATUS ss;
FjU
-t/ /////////////////////////////////////////////////////////////////////////
a>o]garB+ void ServiceStopped(void)
WC7ltw2 {
MnPk+eNJm ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
yq=rv$.s ss.dwCurrentState=SERVICE_STOPPED;
JS!`eO/8 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-"CXBKHb
ss.dwWin32ExitCode=NO_ERROR;
CMiE$yC ss.dwCheckPoint=0;
Tlar@lC|u ss.dwWaitHint=0;
n:8<Ijrh SetServiceStatus(ssh,&ss);
{<P{uH\l return;
b(HbwOt~3 }
H
%bXx- /////////////////////////////////////////////////////////////////////////
(i.7\$4 void ServicePaused(void)
/5wIbmz@I {
)azK&f@tR| ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
W<c95QD. ss.dwCurrentState=SERVICE_PAUSED;
|?gO@?KDZ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
F*4zC@; ss.dwWin32ExitCode=NO_ERROR;
Ivx]DXR| ss.dwCheckPoint=0;
9Qb6ek ss.dwWaitHint=0;
l+r3|b SetServiceStatus(ssh,&ss);
7Eo;TNbb return;
%7v!aJ40 }
lzbAx void ServiceRunning(void)
bSkr:|A7 {
!+)5?o ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
v.!e1ke8D* ss.dwCurrentState=SERVICE_RUNNING;
-)%gMD~z1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
x4N*P ss.dwWin32ExitCode=NO_ERROR;
=J GL~t? ss.dwCheckPoint=0;
qa>H@`P ss.dwWaitHint=0;
~(x"Y\PEu SetServiceStatus(ssh,&ss);
dcH@$D@~S return;
^Z>Nbzr{ }
kQ99{lH,5 /////////////////////////////////////////////////////////////////////////
&~&oB;uR void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
2EC<8}CG {
B1k;!@@14 switch(Opcode)
}8Yu"P${Y {
..fbRt case SERVICE_CONTROL_STOP://停止Service
`L
m9!? ServiceStopped();
%0_}usrsk break;
#JYH5:* case SERVICE_CONTROL_INTERROGATE:
:>*0./hG SetServiceStatus(ssh,&ss);
08qM?{zo^ break;
-%ftPfm }
,382O$C return;
9YvK<i&I }
^JY,K //////////////////////////////////////////////////////////////////////////////
pmuT7*<19 //杀进程成功设置服务状态为SERVICE_STOPPED
DmiZ"A //失败设置服务状态为SERVICE_PAUSED
)1E#'v12" //
Ca}V5O void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
l_i&8*=Px {
^US ol/ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
>* h3u7t if(!ssh)
'&!:5R5 9 {
c2Yrg@) [ ServicePaused();
v
8B4%1NE return;
-+z8bZ }
zF@/8# ServiceRunning();
uhvn1" Sleep(100);
uWkn}P //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
@ruWnwb //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
y41~ if(KillPS(atoi(lpszArgv[5])))
h1+y.4
ServiceStopped();
NRMEZ\*L else
!%(PN3* ServicePaused();
Ya29t98Pk return;
sI5S)^'IQ }
0gsRBy /////////////////////////////////////////////////////////////////////////////
.c]@xoC void main(DWORD dwArgc,LPTSTR *lpszArgv)
I\<)9`O {
$6~t|[7:%Y SERVICE_TABLE_ENTRY ste[2];
6^sH3=# ste[0].lpServiceName=ServiceName;
i'3)5 ste[0].lpServiceProc=ServiceMain;
b6d}<b9# ste[1].lpServiceName=NULL;
G<>h>c1>z ste[1].lpServiceProc=NULL;
I#:Dk?"O2 StartServiceCtrlDispatcher(ste);
S#b)RpY return;
'B;n&tJ
}
Wg=q lux- /////////////////////////////////////////////////////////////////////////////
a49t/ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
ay,"MJ2 下:
3a0% J' /***********************************************************************
K6 c[W%Va Module:function.c
?D+H2[n\a
Date:2001/4/28
_BI[F
m Author:ey4s
srryVqgS Http://www.ey4s.org 30bdcDm, ***********************************************************************/
l9z{pZ\KM #include
[8'^" ////////////////////////////////////////////////////////////////////////////
NL-V",gI-~ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Y'Yu1mH) {
5Bp>*MR/". TOKEN_PRIVILEGES tp;
9dFo_a*? LUID luid;
*YP:- 8 Y))/]R if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
|4!G@-2V:I {
Bej k^V~ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
/Q2HN(Y return FALSE;
V)c.AX5 }
#F#M<d3-2
tp.PrivilegeCount = 1;
i>
dLp tp.Privileges[0].Luid = luid;
"""pe+Y if (bEnablePrivilege)
KvumU>c#A tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
N=j$~,yG else
a,eEP43dn tp.Privileges[0].Attributes = 0;
h|.{dv // Enable the privilege or disable all privileges.
!X\aZ{}Q AdjustTokenPrivileges(
kd OIL2T hToken,
N>IkK*v FALSE,
v+W4wD &tp,
sMcN[r sizeof(TOKEN_PRIVILEGES),
wPvYnhr|G- (PTOKEN_PRIVILEGES) NULL,
`S|T&|ad0 (PDWORD) NULL);
.>NPgdI // Call GetLastError to determine whether the function succeeded.
{yM@3v~ if (GetLastError() != ERROR_SUCCESS)
p7Z/%~0v: {
5zPn-1uW printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
z{nd4qOsD return FALSE;
7!JBF{,= }
g^)) return TRUE;
Lj1>X2.gD }
/%AA\`:6 ////////////////////////////////////////////////////////////////////////////
"QmlW2ysi BOOL KillPS(DWORD id)
f@ .s(i=z {
=D
Tbz3< HANDLE hProcess=NULL,hProcessToken=NULL;
&%4A3.qE BOOL IsKilled=FALSE,bRet=FALSE;
p/gf __try
&R3#? 1, {
p:xVi0 w|:ev_c| if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
.xe+cK {
%UB+N8x`a printf("\nOpen Current Process Token failed:%d",GetLastError());
3K%_wCZ __leave;
7)*QX,4C }
COcS
w //printf("\nOpen Current Process Token ok!");
mW1T4rR' if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Hlz$@[$ {
;FnS=Z __leave;
OE2r2ad }
)D"2Q: printf("\nSetPrivilege ok!");
)PvB^n _ .xicov if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
toel!+ {
8@]vvZ2/gj printf("\nOpen Process %d failed:%d",id,GetLastError());
XhmUtbs __leave;
Y{<SD-ibZ$ }
6*s:I&