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。
p}O[A` OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
S
0L"5B@ <1>与远程系统建立IPC连接
X*Cvh| <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
R`!'c(V <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
^Y-
S"Ks <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
vK~tgZ& <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
JN:EcVuy <6>服务启动后,killsrv.exe运行,杀掉进程
e!JC5Al7 <7>清场
c6Z\ecH9 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
m(?ZNtBQt /***********************************************************************
{|ChwM\x Module:Killsrv.c
OVgx2_F Date:2001/4/27
4J6,_8`U Author:ey4s
%$H~ Http://www.ey4s.org ~AbTbQ3 ***********************************************************************/
2P4$^G[ #include
}Gg:y? #include
tX *}l|;( #include "function.c"
S,%BhQ[ #define ServiceName "PSKILL"
=%+o4\N, etkKVr;Kv SERVICE_STATUS_HANDLE ssh;
+1Ua`3dWN_ SERVICE_STATUS ss;
pX v@QD#! /////////////////////////////////////////////////////////////////////////
t
(>} void ServiceStopped(void)
&S|%>C{P.w {
hAv.rjhw_ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
_k2*2db ss.dwCurrentState=SERVICE_STOPPED;
nFY6K%[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
VQ((c:+! ss.dwWin32ExitCode=NO_ERROR;
oD>j26Q ss.dwCheckPoint=0;
VLO!hA# ss.dwWaitHint=0;
+9d]([Lx SetServiceStatus(ssh,&ss);
Y] "_} return;
ZAcH`r* }
@ATJ|5.gr /////////////////////////////////////////////////////////////////////////
)`B
n"= void ServicePaused(void)
[>N`)]fP {
"o.g}Pv ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
p{BBqKv ss.dwCurrentState=SERVICE_PAUSED;
FqT2+VO~ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2N$yn ss.dwWin32ExitCode=NO_ERROR;
Zn]njf1x ss.dwCheckPoint=0;
fF*{\ ss.dwWaitHint=0;
6I`Lszs SetServiceStatus(ssh,&ss);
leSR2os return;
{D9m>B3"{ }
~KF>Jow?Y void ServiceRunning(void)
BQTibd {
;Q&|-`NK ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Y4.t :Uzr ss.dwCurrentState=SERVICE_RUNNING;
zPKx: I3 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
}g\1JSJ%H ss.dwWin32ExitCode=NO_ERROR;
drc]"6 k ss.dwCheckPoint=0;
7-u['nFJ ss.dwWaitHint=0;
q!+&|F SetServiceStatus(ssh,&ss);
L 2k?Pl return;
<5wk~|@t }
<B%s9Zy /////////////////////////////////////////////////////////////////////////
=Pu;wx9 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
xOAA1# {
~$\9T.tre2 switch(Opcode)
;5(ptXX1W {
8vL2<VT; case SERVICE_CONTROL_STOP://停止Service
/PuN+M ServiceStopped();
SlRQi: break;
cB ,l=/? case SERVICE_CONTROL_INTERROGATE:
vm
y?8E6+ SetServiceStatus(ssh,&ss);
bb]r break;
qB0F9[U }
B<p -.tv return;
WzwH;! }
2a3RRP //////////////////////////////////////////////////////////////////////////////
WFTXSHcG //杀进程成功设置服务状态为SERVICE_STOPPED
yaD_c; //失败设置服务状态为SERVICE_PAUSED
X/l{E4Ex //
3r]:k)J void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
~Os1ir. {
^[]@dk9 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
>m-VBo if(!ssh)
g} /efE {
V{yP/X
ServicePaused();
/P>t3E2c return;
ZgP~VB0)$ }
1'G&PX ServiceRunning();
n8dJ6"L<" Sleep(100);
qij<XNZU"& //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
I\DH //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
XFiP8aX< if(KillPS(atoi(lpszArgv[5])))
&=-ZNWNo ServiceStopped();
qlJzXq{|` else
(WISf}[l; ServicePaused();
z9B""ws return;
bkvm-$/ }
^-&BGQM /////////////////////////////////////////////////////////////////////////////
PS=N]e7k' void main(DWORD dwArgc,LPTSTR *lpszArgv)
4|#@41\ B {
jrKRXS SERVICE_TABLE_ENTRY ste[2];
UbnX%2TW ste[0].lpServiceName=ServiceName;
Hido[ ste[0].lpServiceProc=ServiceMain;
1YrIcovi- ste[1].lpServiceName=NULL;
ZVin+ z ste[1].lpServiceProc=NULL;
+6$ |No StartServiceCtrlDispatcher(ste);
ls928 return;
|v6kZ0B< }
3m#/1=@o /////////////////////////////////////////////////////////////////////////////
^z%ShmM&LZ 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
b,tf]Z- 下:
KDX1_r=Y /***********************************************************************
P,}cH;w6Ck Module:function.c
fUg<+|v* Date:2001/4/28
5>e#SW Author:ey4s
DQ86(4e*g# Http://www.ey4s.org S1Nwm?z ***********************************************************************/
7%Q?BH7{ #include
,_$}>MY; ////////////////////////////////////////////////////////////////////////////
4.7 PL BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
y_7lSo8< {
QQPT=_P] TOKEN_PRIVILEGES tp;
Mkj` LUID luid;
|K(2_Wp |g@n'^] if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
5C|Y-G {
T.}wcQf&* printf("\nLookupPrivilegeValue error:%d", GetLastError() );
e@ mjh, return FALSE;
`u't }
~fV\
X* tp.PrivilegeCount = 1;
^]cl:m=* tp.Privileges[0].Luid = luid;
=,])xzG% if (bEnablePrivilege)
T{"[Ih3Mbl tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
KqD]GS#( else
(T9Q6\sa tp.Privileges[0].Attributes = 0;
hT0[O // Enable the privilege or disable all privileges.
<*/IV< AdjustTokenPrivileges(
%wDE+&M hToken,
>STAPrBp+ FALSE,
5uidi &tp,
JoCZ{MhM sizeof(TOKEN_PRIVILEGES),
KmYSYNr@, (PTOKEN_PRIVILEGES) NULL,
v/m} {&K (PDWORD) NULL);
R_7[7/a // Call GetLastError to determine whether the function succeeded.
.S{FEV if (GetLastError() != ERROR_SUCCESS)
QCD
MRh n {
J_|LGrt}) printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
F+m%PVW: return FALSE;
2YbI."ob }
D"z3SLFW{ return TRUE;
"?X,);5S }
A5\00O~ ////////////////////////////////////////////////////////////////////////////
X9-WU\?UC BOOL KillPS(DWORD id)
nqFJNK]a {
){I0 HANDLE hProcess=NULL,hProcessToken=NULL;
7'~Oai~r BOOL IsKilled=FALSE,bRet=FALSE;
I""zg^Rq __try
'
a>YcOw {
$0mR_pA\fW z]%c6ty if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
I,lX;~xb {
u^4$<fd printf("\nOpen Current Process Token failed:%d",GetLastError());
(2J\o __leave;
JqmxS*_P }
n6xJ //printf("\nOpen Current Process Token ok!");
HVHd@#pDZ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
V'q?+p]
a {
_u{z$; __leave;
{O=PVW2S }
#aua6V!" printf("\nSetPrivilege ok!");
TlEd#XQgf& j%`%
DQ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
4F`&W*x {
z|$M,?r' printf("\nOpen Process %d failed:%d",id,GetLastError());
WR<?_X_ __leave;
?]AF?
0/ }
gr^TL1( //printf("\nOpen Process %d ok!",id);
JE*d- if(!TerminateProcess(hProcess,1))
bl3?C {
f|'0FI printf("\nTerminateProcess failed:%d",GetLastError());
1VR|z __leave;
DuMzK%
}
(k^o[H F IsKilled=TRUE;
,6 IKkyD }
+Zg@X.z __finally
cFZcBiw {
*8I"7'xh if(hProcessToken!=NULL) CloseHandle(hProcessToken);
'nT#c[x[0 if(hProcess!=NULL) CloseHandle(hProcess);
QG=K^g }
II'"Nkxd return(IsKilled);
9Rm\@E
[ }
I !J' //////////////////////////////////////////////////////////////////////////////////////////////
jf^BEz5 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
a_3w/9L4r /*********************************************************************************************
(uVL!%61k ModulesKill.c
FTQNS8 Create:2001/4/28
mz|p=[lR| Modify:2001/6/23
!kS/Ei Author:ey4s
|pG%]?A Http://www.ey4s.org .nzN5FB
U PsKill ==>Local and Remote process killer for windows 2k
G`Df'Yy **************************************************************************/
,(A
$WT@e #include "ps.h"
YvG=P<_xw #define EXE "killsrv.exe"
TYKs2+S6 #define ServiceName "PSKILL"
9Wv}g"KY0 (2ZkfN #pragma comment(lib,"mpr.lib")
[Qqomm.[\w //////////////////////////////////////////////////////////////////////////
6E-AfY'< //定义全局变量
RuGG3"| SERVICE_STATUS ssStatus;
fgoLN\ SC_HANDLE hSCManager=NULL,hSCService=NULL;
ictV7) BOOL bKilled=FALSE;
`k6ZAOQtX char szTarget[52]=;
.Im=-#EN //////////////////////////////////////////////////////////////////////////
"U-dw%b}b BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
}0IeKpu5 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
B#G:aBCM BOOL WaitServiceStop();//等待服务停止函数
mt]^d;E BOOL RemoveService();//删除服务函数
|[)n.N65= /////////////////////////////////////////////////////////////////////////
Y:R*AOx int main(DWORD dwArgc,LPTSTR *lpszArgv)
ni85Ne$ {
=<%[P9y BOOL bRet=FALSE,bFile=FALSE;
4nrn
Npf`b char tmp[52]=,RemoteFilePath[128]=,
EO`eg] szUser[52]=,szPass[52]=;
?2%;VKN4 HANDLE hFile=NULL;
U,K=(I7OBX DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
&/n*>%2 1Ror1%Q"? //杀本地进程
i }_" if(dwArgc==2)
L|L;< {
Sh2BU3 if(KillPS(atoi(lpszArgv[1])))
akFT 0@9 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
7^7Jh&b)/ else
#U(kK(uO printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
`&9iC 4P lpszArgv[1],GetLastError());
63i&< return 0;
3$_JNF` }
dmWCNeja. //用户输入错误
T#<Q[h= else if(dwArgc!=5)
(6Ciqf8 {
I^Dm 3yz printf("\nPSKILL ==>Local and Remote Process Killer"
N8iLI` "\nPower by ey4s"
"~mY4WVG "\nhttp://www.ey4s.org 2001/6/23"
a4[t3U "\n\nUsage:%s <==Killed Local Process"
Q5b9q$L$ "\n %s <==Killed Remote Process\n",
>xXC=z+g] lpszArgv[0],lpszArgv[0]);
KM+[1Ze$ return 1;
Z(t7QFd }
!FwNq'Q8$ //杀远程机器进程
4f&"1: strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
? G`6}NP strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
)$ h!lAo strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
J&iSS9c #aQQd8 //将在目标机器上创建的exe文件的路径
l8khu)\n4R sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
la}cGZ; p. __try
f^ja2.*%? {
a^8PB|G //与目标建立IPC连接
' 55G:r39 if(!ConnIPC(szTarget,szUser,szPass))
I~;w Q {
{
V)`6 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
+0?1"2 return 1;
ve+bR }
r1TdjnP,2^ printf("\nConnect to %s success!",szTarget);
H,c`=Ii3 //在目标机器上创建exe文件
Gr 4v&Mz: K9-9 c"cz hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Cv@)tb E,
n.rn+nuwv NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
nEUUD3a if(hFile==INVALID_HANDLE_VALUE)
ps;d bY*s6 {
%E5b}E# printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
16>D?;2o( __leave;
P2@Z7DhQ }
q^:VF()d_z //写文件内容
2]<.m] while(dwSize>dwIndex)
y Vp,)T9 {
yM `u]p1 rvlvk" if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
9;'#,b*( {
IJ~j(.W printf("\nWrite file %s
|RXQ_| failed:%d",RemoteFilePath,GetLastError());
_ !E&