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。
oqwW OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
hD5@PeLh <1>与远程系统建立IPC连接
Jzf+"%lv <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
PJB_"?NTTC <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
aZ~e;}w.Zq <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
rwDLBpk <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
N#M>2b<A/T <6>服务启动后,killsrv.exe运行,杀掉进程
EN`JzLjP <7>清场
28^/By:J 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
#6@hVR. /***********************************************************************
|gA@$1+} Module:Killsrv.c
9q?knMt Date:2001/4/27
IA0vSF: Author:ey4s
esSj
3E Http://www.ey4s.org mfZbo#KS#v ***********************************************************************/
|iJz[% #include
(Yj6|` #include
Q)aoc.f!v #include "function.c"
;0WAfu}#H #define ServiceName "PSKILL"
<T7@,_T S<]k0bC SERVICE_STATUS_HANDLE ssh;
Ia](CN*;6 SERVICE_STATUS ss;
c= 2E/x? /////////////////////////////////////////////////////////////////////////
TSFrv8L void ServiceStopped(void)
BMAWjEr {
lJAzG,f ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`P\H{ ss.dwCurrentState=SERVICE_STOPPED;
`{YOl\d_ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
:c]y/lQmV ss.dwWin32ExitCode=NO_ERROR;
g[i;>XyP ss.dwCheckPoint=0;
a)2l9 ss.dwWaitHint=0;
D7pQWlN\ SetServiceStatus(ssh,&ss);
Y_*KAr'{P return;
6T4"m }
'dwsm7Xd /////////////////////////////////////////////////////////////////////////
;
]%fFcy void ServicePaused(void)
9*iVv)jd {
K_U`T;Z\ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
.nIGs'P ss.dwCurrentState=SERVICE_PAUSED;
Q']'KU. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
27gHgz}} ss.dwWin32ExitCode=NO_ERROR;
0*:n<T9 ss.dwCheckPoint=0;
|8}y?kAC ss.dwWaitHint=0;
BpA7
z / SetServiceStatus(ssh,&ss);
N''xdz3Z return;
D`n<!"xg@$ }
d3E N0e+^ void ServiceRunning(void)
WClprSl8 {
dh]Hf,OLF ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
<8%+-[(
ss.dwCurrentState=SERVICE_RUNNING;
GX19GI@k ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
~C
3Y/} ss.dwWin32ExitCode=NO_ERROR;
j*8Ze!^ ss.dwCheckPoint=0;
q:up8-LAr ss.dwWaitHint=0;
!pe[H*Cy SetServiceStatus(ssh,&ss);
XKp(31]) return;
7202N?a
{ }
r8R7@S2V' /////////////////////////////////////////////////////////////////////////
2O(k@M5E? void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
b?=r%D->w {
d<?Zaehe\ switch(Opcode)
:OU(fz] {
T:Q+ Z }v+ case SERVICE_CONTROL_STOP://停止Service
U'b}%[ ServiceStopped();
LkeYzQH/l break;
xg%{p`` case SERVICE_CONTROL_INTERROGATE:
6/QWzw.0c SetServiceStatus(ssh,&ss);
hDJ+Rk@ break;
mq<:^ }
,f>^q" return;
b%F'Ou~ }
fm^tU0DY //////////////////////////////////////////////////////////////////////////////
S%]4['Y //杀进程成功设置服务状态为SERVICE_STOPPED
4myikeUR_ //失败设置服务状态为SERVICE_PAUSED
M2:3k //
l+(B~v void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
5FJ%"5n& {
!pa7]cZ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
.}R'(gN\6 if(!ssh)
WZA1nzRc {
+7"UF)
~k ServicePaused();
T8LvdzS return;
\8Ewl|"N:u }
S]ndnxy"b ServiceRunning();
HU
+271A8 Sleep(100);
zxv y& //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
k?pNmKVJM //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
"}uu-5]3 if(KillPS(atoi(lpszArgv[5])))
T?n [1%K ServiceStopped();
P'5Lu else
DS|x*w'I ServicePaused();
7}=MVp] )S return;
/$8& r }
w0>5#jq#r /////////////////////////////////////////////////////////////////////////////
f:t5`c. void main(DWORD dwArgc,LPTSTR *lpszArgv)
6(Cjak+~! {
fb8xs< SERVICE_TABLE_ENTRY ste[2];
K/(Z\lL ste[0].lpServiceName=ServiceName;
kad$Fp39 ste[0].lpServiceProc=ServiceMain;
^y&2N ste[1].lpServiceName=NULL;
kYS\TMt,C ste[1].lpServiceProc=NULL;
u 8~5e StartServiceCtrlDispatcher(ste);
UBwYwm0 return;
BhyLcUBuB }
PwAmnk ! /////////////////////////////////////////////////////////////////////////////
W.7u6F` 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
h1j1PRE 下:
aIfB^M*c5 /***********************************************************************
}
F*=+n Module:function.c
IxlPpS9Wx Date:2001/4/28
huin?,eGz Author:ey4s
2zjY|g/ Http://www.ey4s.org \<=.J`o{ ***********************************************************************/
HRd02tah #include
:OaGdL ////////////////////////////////////////////////////////////////////////////
v<} $d.&* BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
&M\qVL%w {
Wu?[1L:x TOKEN_PRIVILEGES tp;
wzI*QXV2s LUID luid;
d D^?%,a K8iQ? if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
n
u>6UjV {
{6*UtG printf("\nLookupPrivilegeValue error:%d", GetLastError() );
n*=Tm
KQ return FALSE;
H#`&!p }
~bjT,i tp.PrivilegeCount = 1;
\y/0)NL\ tp.Privileges[0].Luid = luid;
U%2{PbL
if (bEnablePrivilege)
xl,?Hh%# tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
SkXx:@ else
i;+<5_ tp.Privileges[0].Attributes = 0;
i\L7z)u // Enable the privilege or disable all privileges.
M
w+4atO4[ AdjustTokenPrivileges(
G>^ _&(c@2 hToken,
L!W5H2Mc FALSE,
'Ya- ;5Y] &tp,
KU0;}GSNX} sizeof(TOKEN_PRIVILEGES),
Yceex}X*5 (PTOKEN_PRIVILEGES) NULL,
x A ZRl (PDWORD) NULL);
0vz!) // Call GetLastError to determine whether the function succeeded.
H%Sx*| if (GetLastError() != ERROR_SUCCESS)
.V^h< d{ {
'^t(=02J printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
2f0_Xw_V_ return FALSE;
| i'w"Tz4 }
Uv3Fe%> return TRUE;
~!dO2\X+ }
^W,x ////////////////////////////////////////////////////////////////////////////
Fc"+L+h@W BOOL KillPS(DWORD id)
nqujT8 {
D|5Fo'O^AV HANDLE hProcess=NULL,hProcessToken=NULL;
MW.,}f BOOL IsKilled=FALSE,bRet=FALSE;
{$-\)K __try
^$\#aTyFK {
(<5&<JC{ oO,"B8a if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
kv3V| {
E@ !~q printf("\nOpen Current Process Token failed:%d",GetLastError());
Q%RI;;YyA __leave;
UXV>#U? }
FkIT/H //printf("\nOpen Current Process Token ok!");
A
v%'#1w<" if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
rexy*Xv`2p {
X1~ B __leave;
>!2d77I }
p[gq^5WuC printf("\nSetPrivilege ok!");
Uv/?/;si \wo'XF3: if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
h7W<$\P {
aruT eJF printf("\nOpen Process %d failed:%d",id,GetLastError());
<D M:YWNa __leave;
0_-NE4SM/ }
0Fm,F&12 //printf("\nOpen Process %d ok!",id);
G-Ju`. if(!TerminateProcess(hProcess,1))
;*EPAC+ {
5 l(Q#pSX printf("\nTerminateProcess failed:%d",GetLastError());
*6%r2l'kZ __leave;
~w9ZSSb4 }
(!`]S>_w9 IsKilled=TRUE;
Nl `8Kcv }
k%?A=h __finally
$3MYr5
{
q!zsGf{ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
0FD+iID if(hProcess!=NULL) CloseHandle(hProcess);
;X3bgA'] }
Syj7K*,%bZ return(IsKilled);
Z}'"c9oB }
+'!vm6 //////////////////////////////////////////////////////////////////////////////////////////////
pI|H9 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
j8ebVq /*********************************************************************************************
D#,P-0+% ModulesKill.c
0if~qGm=! Create:2001/4/28
_~E&?zR2>" Modify:2001/6/23
.AgD`wba Author:ey4s
q9&d24| Http://www.ey4s.org ~?)ST?& PsKill ==>Local and Remote process killer for windows 2k
pP6pn~} **************************************************************************/
(7g1eEK% #include "ps.h"
\;G 97o
#define EXE "killsrv.exe"
UE9r1g`z #define ServiceName "PSKILL"
|F 18j9 mmj6YQ0a #pragma comment(lib,"mpr.lib")
h[O!kwE //////////////////////////////////////////////////////////////////////////
A[6$'IJ //定义全局变量
e/<Og\}P/ SERVICE_STATUS ssStatus;
tCdgtZm SC_HANDLE hSCManager=NULL,hSCService=NULL;
8HyK;+ZkVd BOOL bKilled=FALSE;
`_;VD?")*l char szTarget[52]=;
An e.sS //////////////////////////////////////////////////////////////////////////
7QlA/iKqK BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Uv06f+P( BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
`" E | BOOL WaitServiceStop();//等待服务停止函数
IYy2EK[s BOOL RemoveService();//删除服务函数
|'2E'?\/x /////////////////////////////////////////////////////////////////////////
m"!!) int main(DWORD dwArgc,LPTSTR *lpszArgv)
,&sBa{0 {
j/R BOOL bRet=FALSE,bFile=FALSE;
Q
b5AQf30 char tmp[52]=,RemoteFilePath[128]=,
'lU9*e9 szUser[52]=,szPass[52]=;
By8C-jD HANDLE hFile=NULL;
\7}X^]UV x DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
QMzBx*g( Pv`^#BX' //杀本地进程
PF1m :Iz`d if(dwArgc==2)
V$wf;v0d( {
J0}OmNTzD if(KillPS(atoi(lpszArgv[1])))
=J,aB p printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
!m$OI:rr else
FxC@KZG printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
)ll`F7B- lpszArgv[1],GetLastError());
IiACr@[?e return 0;
i8nCTW }
4b8!LzKS //用户输入错误
#{ M$%l> else if(dwArgc!=5)
'Z-jj2t} {
Gt[!q\^? printf("\nPSKILL ==>Local and Remote Process Killer"
aIk%$M at "\nPower by ey4s"
.h^."+TJ "\nhttp://www.ey4s.org 2001/6/23"
GP uAIoBo "\n\nUsage:%s <==Killed Local Process"
#`/KF_a3\> "\n %s <==Killed Remote Process\n",
nVoPTr lpszArgv[0],lpszArgv[0]);
u|\Lb2Kb: return 1;
{vAq08 }
#zXkg[J6d //杀远程机器进程
pd,5.d strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
"!gd)^<e strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
gQ*0Mk strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
O~B
iqm 8p7Uvn+m* //将在目标机器上创建的exe文件的路径
&|H?J,> sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
A%u-6" __try
AFl]w'= {
~xu<xy@E //与目标建立IPC连接
TC3xrE:U<m if(!ConnIPC(szTarget,szUser,szPass))
y1/$dn {
l.lXto.6) printf("\nConnect to %s failed:%d",szTarget,GetLastError());
0W9,uC2:N return 1;
IyYC).wU} }
!tFs(![ printf("\nConnect to %s success!",szTarget);
+is;$1rq //在目标机器上创建exe文件
3t(nV4uDF NZ'S~Lr hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
AU$W=Z* E,
I*
\o NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
29pIO]8; if(hFile==INVALID_HANDLE_VALUE)
"W|Sh#JF {
8\`]T%h printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
3*3WO,9
__leave;
-d6|D?}S }
R|ViLt y //写文件内容
Txfu%'2)e while(dwSize>dwIndex)
gc7S_D~; {
"o`N6@[w^ $k V^[ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
I)]wi% {
0CQ\e1S,# printf("\nWrite file %s
<u*~RYA2 failed:%d",RemoteFilePath,GetLastError());
]k_@F6 A __leave;
ITRv^IlF }
q*\#HC dwIndex+=dwWrite;
$985q@pV0 }
~a4htj //关闭文件句柄
"CB* CloseHandle(hFile);
Y>{K2#k bFile=TRUE;
#]oVVf_ //安装服务
vL`wn= if(InstallService(dwArgc,lpszArgv))
c</d1x T {
{%'(IJ|5z //等待服务结束
/,f*IdB if(WaitServiceStop())
ce/Rzid {
C#`eN{%.YT //printf("\nService was stoped!");
cnXIE{9M }
zJOjc/\
else
jmmm0,#D {
n@mWBUM //printf("\nService can't be stoped.Try to delete it.");
} '. l'% }
KRf$VbuL Sleep(500);
F"#bCnS //删除服务
"~9 !o" RemoveService();
ec[S?- }
G%
}
E5UI __finally
PCH&eTKN {
O7I:Y85i#O //删除留下的文件
d,CtlWp if(bFile) DeleteFile(RemoteFilePath);
lplEQ]J| //如果文件句柄没有关闭,关闭之~
v9(->X' if(hFile!=NULL) CloseHandle(hFile);
z*. 4Y //Close Service handle
(n05MwKu\ if(hSCService!=NULL) CloseServiceHandle(hSCService);
%kS +n_* //Close the Service Control Manager handle
x1W<r)A )r if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
<->Nex //断开ipc连接
2i;G3"\ wsprintf(tmp,"\\%s\ipc$",szTarget);
k, &