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。
ik)|{%!K]H OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
tH!]Z4}u <1>与远程系统建立IPC连接
aC]$k'71 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
/2&c$9=1 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
LQ@"Xe]5 <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
'p^t^=dQ <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
\[;0KV_ <6>服务启动后,killsrv.exe运行,杀掉进程
5?f ^Rz <7>清场
/J]5H 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
0Um2DjTCG /***********************************************************************
d-oMQGOklb Module:Killsrv.c
A @i Date:2001/4/27
tm|ZBM Author:ey4s
z<MsKD0Q Http://www.ey4s.org tR#OjkvX ***********************************************************************/
[*Z;\5&P #include
= }~hWL #include
+Q/R{#O #include "function.c"
=O~_Q- #define ServiceName "PSKILL"
4S7v:1~xe " s,1%Ltt SERVICE_STATUS_HANDLE ssh;
GV1pn) 4 SERVICE_STATUS ss;
.#EFLXs /////////////////////////////////////////////////////////////////////////
v&6-a* <Z void ServiceStopped(void)
8'[~2/ {
,V7nzhA2 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
M`0V~P`^ ss.dwCurrentState=SERVICE_STOPPED;
%aP!hy ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
0-B5`=yU ss.dwWin32ExitCode=NO_ERROR;
9=s<Ld ss.dwCheckPoint=0;
ko!)s ss.dwWaitHint=0;
u2tfF SetServiceStatus(ssh,&ss);
lqy Qf$t return;
y#`tgJ: }
v_yw@ /////////////////////////////////////////////////////////////////////////
m&d|t>3< void ServicePaused(void)
@="Pn5<]C {
F/]2G^- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
\__i ss.dwCurrentState=SERVICE_PAUSED;
kpuz]a7pK ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
:@yEQ#nFp ss.dwWin32ExitCode=NO_ERROR;
Jx:Y-$ ss.dwCheckPoint=0;
A@`}c,G ss.dwWaitHint=0;
L7l
FtX+b SetServiceStatus(ssh,&ss);
kj Jn2c:y return;
=0
#OU }
::`HQ@^ void ServiceRunning(void)
9p]QM)M {
gM&{=WDG6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
wH*-(*N" ss.dwCurrentState=SERVICE_RUNNING;
~-k9%v` ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
jVi) Efy ss.dwWin32ExitCode=NO_ERROR;
td$E/h=3 ss.dwCheckPoint=0;
1Yq!~8 ss.dwWaitHint=0;
X;$+,&M" SetServiceStatus(ssh,&ss);
_T60;ZI+^ return;
5%"V[lDx@ }
F~-(:7j /////////////////////////////////////////////////////////////////////////
u* eV@KK! void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
/l3V3B7 {
7^avpf)> switch(Opcode)
+L$Xv {
hDDn,uzpd case SERVICE_CONTROL_STOP://停止Service
dRYqr}!%n ServiceStopped();
Zpt\p7WQ break;
3<Lx&p~%T case SERVICE_CONTROL_INTERROGATE:
6XxvvMA97 SetServiceStatus(ssh,&ss);
y
RqL9t break;
RbB.q p }
_;"il%l=1 return;
#mxPw }
PI {bmZ //////////////////////////////////////////////////////////////////////////////
}{Pp]*I<A //杀进程成功设置服务状态为SERVICE_STOPPED
./Xz}<($8 //失败设置服务状态为SERVICE_PAUSED
ROI7eU //
1C+13LE$U void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
}J}-//[A {
%UrueMEO ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
g _9C* if(!ssh)
v&\Q8!r_
{
w7L{_aom ServicePaused();
b!t0w{^w return;
kdiM5l70 }
Z-%\
<zT ServiceRunning();
ic:zsuEm Sleep(100);
b`Zx!^ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
lf|FWqqV //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
s S+MqBh&I if(KillPS(atoi(lpszArgv[5])))
'ms-*c&
ServiceStopped();
}rUN_.n4z else
|"}FXaO ServicePaused();
`7E;VL^Y1 return;
T=DbBy0- }
^dWa;m]l /////////////////////////////////////////////////////////////////////////////
jVe1b1rt~3 void main(DWORD dwArgc,LPTSTR *lpszArgv)
]h`&&B qt {
LENq_@$ SERVICE_TABLE_ENTRY ste[2];
bIDj[-CDG ste[0].lpServiceName=ServiceName;
P}}* Q7P ste[0].lpServiceProc=ServiceMain;
l:~/<`o ste[1].lpServiceName=NULL;
J3V=
46Yc ste[1].lpServiceProc=NULL;
uo9B9"& StartServiceCtrlDispatcher(ste);
;?Tbnn Wn return;
LVM%"sd? }
%6 zBSje /////////////////////////////////////////////////////////////////////////////
~7w"nIs<c 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
s[>,X#7 y 下:
mthA4sz /***********************************************************************
n&4N[Qlv, Module:function.c
<d Wv?<o Date:2001/4/28
+HpA:]#Y Author:ey4s
'ZF{R3Xu Http://www.ey4s.org 4i;{!sT ***********************************************************************/
Wtd/=gmiI #include
1ba~SHi ////////////////////////////////////////////////////////////////////////////
{
'eC`04E BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
)u&|_&g{}J {
L<cx:Vz TOKEN_PRIVILEGES tp;
k9R4Y\8P LUID luid;
x;KOqfawv AR%4D3Dma if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Tk[ $5u*, {
p$c6<'UqH printf("\nLookupPrivilegeValue error:%d", GetLastError() );
e)k9dOR return FALSE;
_yx>TE2e }
*KF#'wi tp.PrivilegeCount = 1;
\.{$11P# tp.Privileges[0].Luid = luid;
_Ay9p[l if (bEnablePrivilege)
R%WCH?B<} tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
r|8d
4 else
cl3K<'D tp.Privileges[0].Attributes = 0;
B"w?;EeV. // Enable the privilege or disable all privileges.
Z clQ AdjustTokenPrivileges(
<$$yw=ef hToken,
%\#8{g FALSE,
SHxNr(wJ<Q &tp,
wWP}C D sizeof(TOKEN_PRIVILEGES),
&|1<v<I5 (PTOKEN_PRIVILEGES) NULL,
gs[uD5oo< (PDWORD) NULL);
7F7{)L // Call GetLastError to determine whether the function succeeded.
RLXL& if (GetLastError() != ERROR_SUCCESS)
,-LwtePJ0 {
NA`SyKtg_ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Q8tL[>Xt return FALSE;
UgSB>V<? }
O63<AY@ return TRUE;
2wg5#i }
558V_y: ////////////////////////////////////////////////////////////////////////////
8'[7
)I= BOOL KillPS(DWORD id)
~W'{p {
9L?.m& HANDLE hProcess=NULL,hProcessToken=NULL;
YlQ=5u^+ BOOL IsKilled=FALSE,bRet=FALSE;
d"mkL- __try
=o(5_S.u; {
`AtBtjs RV IMFDM."s if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
i>A s;* {
I*{nP)^9 printf("\nOpen Current Process Token failed:%d",GetLastError());
g)[V(yWu __leave;
*%NT~C
q }
/t57!& //printf("\nOpen Current Process Token ok!");
R?|.pq/Ln if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
t9` .bx8 {
#Y`~(K47 __leave;
?
(Oy\ }
AT3cc printf("\nSetPrivilege ok!");
{\"x3;3!6 %lhEM}Sm if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
\ZFGw&yN {
/{l$sBUL printf("\nOpen Process %d failed:%d",id,GetLastError());
,4e:I.b __leave;
G6P?2@ }
H5B:;g@ //printf("\nOpen Process %d ok!",id);
,eW%{[g( if(!TerminateProcess(hProcess,1))
^ogt+6c {
GW@;}m( printf("\nTerminateProcess failed:%d",GetLastError());
YUD`!C __leave;
jXx<`I+] }
Yui3+}Ms IsKilled=TRUE;
rQs)O<jl }
3{64 @s __finally
#4%]o%. {
O,
wJR if(hProcessToken!=NULL) CloseHandle(hProcessToken);
K(rWNO if(hProcess!=NULL) CloseHandle(hProcess);
[wOn|)&
& }
)p0^zv{ return(IsKilled);
l`{\"#4 }
CS5?Ti6 //////////////////////////////////////////////////////////////////////////////////////////////
IB"w&