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。
( et W4p OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
[?hvx} <1>与远程系统建立IPC连接
<W>A }}q <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
][b|^V <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
MV??S{^4 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
a]Pw:lT <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Faa>bc~E <6>服务启动后,killsrv.exe运行,杀掉进程
e(N},s:_ <7>清场
S>>wf:\ c 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
e&2,cQRFV /***********************************************************************
FZW`ADq] Module:Killsrv.c
1C<d^D_!p Date:2001/4/27
PO8Z2"WI Author:ey4s
-EE'xh-zD Http://www.ey4s.org kG{};Vm ***********************************************************************/
3tCTPZy #include
tjwnFqI #include
D(;+my2 #include "function.c"
C
#iZAR #define ServiceName "PSKILL"
2Wu`Dp;&l [\#ANA" SERVICE_STATUS_HANDLE ssh;
Vfga%K%l F SERVICE_STATUS ss;
y631;dU /////////////////////////////////////////////////////////////////////////
934j5D void ServiceStopped(void)
+7o1&D*v {
39hep8+ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
^N[ Cip}8 ss.dwCurrentState=SERVICE_STOPPED;
LT
Pr8^ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
hRRxOr#*$ ss.dwWin32ExitCode=NO_ERROR;
,(a~vqNQW3 ss.dwCheckPoint=0;
]{q=9DczG( ss.dwWaitHint=0;
Nf<f}` SetServiceStatus(ssh,&ss);
Lui6;NY return;
1Ml<> }
+uSp3gE" /////////////////////////////////////////////////////////////////////////
CQNMCYjg(R void ServicePaused(void)
<tBT?#C9+ {
9 " t;6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
_@y uaMoW= ss.dwCurrentState=SERVICE_PAUSED;
||Owdw|{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
X'<RqvDc5 ss.dwWin32ExitCode=NO_ERROR;
VBQAkl?(}4 ss.dwCheckPoint=0;
l"(PP3 ss.dwWaitHint=0;
Gp
\-AwE SetServiceStatus(ssh,&ss);
MZ&.{SY7 return;
MH#"dGGu }
1;1;-4k7I void ServiceRunning(void)
A$N%deb {
6IV):S~ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&Z[+V)6,, ss.dwCurrentState=SERVICE_RUNNING;
#h^nvRmON ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
0 K#|11r ss.dwWin32ExitCode=NO_ERROR;
p<(a);<L ss.dwCheckPoint=0;
@'}2xw[eU ss.dwWaitHint=0;
]7cciob SetServiceStatus(ssh,&ss);
.%{B=_7 return;
Y,v9o }
S*=^I2; /////////////////////////////////////////////////////////////////////////
LdH1sHy*d` void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
3o[(pfcU {
eOiH7{OA, switch(Opcode)
wW p7N {
W{.:Cf9 case SERVICE_CONTROL_STOP://停止Service
yna!L@ *@, ServiceStopped();
,hu@V\SKv break;
HZ%V>88 case SERVICE_CONTROL_INTERROGATE:
wkGr} SetServiceStatus(ssh,&ss);
Iy49o! break;
%6 Av1cv }
]|eMEN[' return;
"i(f+N,) }
\t1#5 //////////////////////////////////////////////////////////////////////////////
kJJiDDL0;* //杀进程成功设置服务状态为SERVICE_STOPPED
G-2~$ u //失败设置服务状态为SERVICE_PAUSED
nvf5a-C+q //
AV2Jl"1)z void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
$)"T9$>$ {
p@%Pdx ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
$3l#eKZA if(!ssh)
.z_nW1id {
{Kr}RR*{X ServicePaused();
~`&4?c3p return;
;"0bVs`.^e }
*X$qgSW ServiceRunning();
>QvqH 2 Sleep(100);
1Z)P.9c //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
hWbu
Z% //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
#*.4Jv<R if(KillPS(atoi(lpszArgv[5])))
+58^{_k+% ServiceStopped();
.<>t2,Af else
;"Qq/knVL ServicePaused();
_g/d/{-{Q return;
'l<$H=ZUVG }
0ZDm[#7z /////////////////////////////////////////////////////////////////////////////
}v2p]D5n. void main(DWORD dwArgc,LPTSTR *lpszArgv)
YToG'#qs {
d*Su
c SERVICE_TABLE_ENTRY ste[2];
9&=%shOc+x ste[0].lpServiceName=ServiceName;
AZhI~QWo ste[0].lpServiceProc=ServiceMain;
{'A
15 ste[1].lpServiceName=NULL;
yN{**?b ste[1].lpServiceProc=NULL;
jZqa+nG51 StartServiceCtrlDispatcher(ste);
[dP<A?s return;
]Xnar:5 }
;kZD>G8 /////////////////////////////////////////////////////////////////////////////
8A]8yX = function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
0'r}]Mws 下:
>S`=~4 /***********************************************************************
@HMH>;haE Module:function.c
*(q{k%/M Date:2001/4/28
5OGwOZAj52 Author:ey4s
hs;|,r Http://www.ey4s.org d7b`X<=@s ***********************************************************************/
NiVLx_<Pr' #include
X%-hTl ////////////////////////////////////////////////////////////////////////////
CPNV\qCY BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
.O0eSp|e {
j -o TOKEN_PRIVILEGES tp;
KYB3n85 1 LUID luid;
,?j!c* k7*-v/*S if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
.aa7*e {
DL~!
^fx printf("\nLookupPrivilegeValue error:%d", GetLastError() );
0K.$C~C return FALSE;
"gI-S[ }
@(a~p tp.PrivilegeCount = 1;
E#m^.B-} tp.Privileges[0].Luid = luid;
YK8l#8K if (bEnablePrivilege)
gM1:*YK tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
A ;`[va else
CpN*1s})d tp.Privileges[0].Attributes = 0;
XU}i<5 // Enable the privilege or disable all privileges.
\)\n5F:Zu AdjustTokenPrivileges(
E5P.x^ hToken,
bupW*fD: FALSE,
sOWP0xY &tp,
wd|^m% sizeof(TOKEN_PRIVILEGES),
5?>Q[a.Ne (PTOKEN_PRIVILEGES) NULL,
"N%W5[C{ (PDWORD) NULL);
j^ 8Hjg // Call GetLastError to determine whether the function succeeded.
7SkW!5 if (GetLastError() != ERROR_SUCCESS)
,:}VbQ:3I {
MJe/ \ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
cqh1,h$sG return FALSE;
=u9e5n }
8sDw:wTC return TRUE;
X%*BiI }
fvTp9T\f3 ////////////////////////////////////////////////////////////////////////////
~rOvVi&4 BOOL KillPS(DWORD id)
e'npa*.e {
)06. dZq\ HANDLE hProcess=NULL,hProcessToken=NULL;
C;ha2UV0H BOOL IsKilled=FALSE,bRet=FALSE;
O>rz+8 T __try
&JLKHwi/ {
Sb?v5 K~UT@,CS60 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
?j!/Hc/b4 {
!JDyv\i} printf("\nOpen Current Process Token failed:%d",GetLastError());
I
%1P:- __leave;
CD?b.Cxai }
6S%KUFB+e //printf("\nOpen Current Process Token ok!");
65&+Fv if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
=}0>S3a.7 {
\@ZD.d# __leave;
q,Nqv[va }
P6^\*xkMr printf("\nSetPrivilege ok!");
='eQh\T) wjID*s[ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
|9CPT%A# {
G7-.d/8|^ printf("\nOpen Process %d failed:%d",id,GetLastError());
W}(xE?9& __leave;
xWQQX }
M _Lj5` //printf("\nOpen Process %d ok!",id);
W7V#G(cpU if(!TerminateProcess(hProcess,1))
sDHFZ:W {
`kOp9(Q{ printf("\nTerminateProcess failed:%d",GetLastError());
i}:^<jDv? __leave;
,+n{xI2 }
]tK<[8Y IsKilled=TRUE;
gavf$be
}
V,tYqhQ3 __finally
:VRQd}$Pi {
Q;2kbVWY if(hProcessToken!=NULL) CloseHandle(hProcessToken);
J0@#xw=+ if(hProcess!=NULL) CloseHandle(hProcess);
<