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。
%$SO9PY OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
HFrwf{J <1>与远程系统建立IPC连接
y8=H+Y <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
<Yy|.=6 D <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
xsdi\
j;n> <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
+HNM$yp <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
ju?D=n@i <6>服务启动后,killsrv.exe运行,杀掉进程
d,caO E8N <7>清场
$|bdeQPr\ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
_+2Jc}Yf /***********************************************************************
5\eM3w'd Module:Killsrv.c
`%S#XJU Date:2001/4/27
O;?Nz:/q Author:ey4s
YB'BAX<lI Http://www.ey4s.org T:(c/> ***********************************************************************/
[}t^+^/ #include
`E2HQA@ #include
E*X-f" #include "function.c"
2io~pk> #define ServiceName "PSKILL"
%6@->c{ -7:_Dy SERVICE_STATUS_HANDLE ssh;
c.eA]m q SERVICE_STATUS ss;
ct![eWsuB /////////////////////////////////////////////////////////////////////////
}IGoPCV| void ServiceStopped(void)
tKKQli4Mn4 {
V+&C_PyC ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
n(tx'&U"R ss.dwCurrentState=SERVICE_STOPPED;
A
2Rp ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
_/`H<@B_U ss.dwWin32ExitCode=NO_ERROR;
6@;
P ss.dwCheckPoint=0;
#1oyRD- ss.dwWaitHint=0;
(N
:vDq' SetServiceStatus(ssh,&ss);
r>ca17 return;
UY$Lqe~ }
U/l3C(bc! /////////////////////////////////////////////////////////////////////////
*$yU|, void ServicePaused(void)
I$w:qS&: {
DA wUG ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
'sT7t&v~ ss.dwCurrentState=SERVICE_PAUSED;
Js}1_K ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
oK#UEn ss.dwWin32ExitCode=NO_ERROR;
hX9vtV5L ss.dwCheckPoint=0;
SM8Wg> ss.dwWaitHint=0;
S@Q4fmH SetServiceStatus(ssh,&ss);
c$#7Kp4 return;
y0_z_S#gO }
3P2x%G p void ServiceRunning(void)
h"$ )[k~ {
iw\yVd^]:k ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
N83c+vs%c ss.dwCurrentState=SERVICE_RUNNING;
BH\!yxK ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
!
n13B ss.dwWin32ExitCode=NO_ERROR;
@Z2^smf ss.dwCheckPoint=0;
"cD MFu ss.dwWaitHint=0;
{DWL 5V#M SetServiceStatus(ssh,&ss);
f6k=ew return;
]wm<$+@ }
!@3"vd{^ /////////////////////////////////////////////////////////////////////////
}^tW's8 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
2D)B%nM[ {
^n~bx*f switch(Opcode)
d`9ofw~3= {
[D_s`'tg case SERVICE_CONTROL_STOP://停止Service
o'J^kd` ServiceStopped();
JBk >|q" break;
JpE7"Z"~MS case SERVICE_CONTROL_INTERROGATE:
T7R,6qt SetServiceStatus(ssh,&ss);
qN\?cW' break;
v+(-\T\i }
t0.71( return;
Xb2.t^
]f }
N.UeuLz
//////////////////////////////////////////////////////////////////////////////
H[2W(q6 //杀进程成功设置服务状态为SERVICE_STOPPED
i[/`9 AK //失败设置服务状态为SERVICE_PAUSED
GUn$IPOM //
K( r@JW void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
-BcnJK0 {
_qa9wK/ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
7Fzj&!>ti if(!ssh)
~CuJ$(9Y {
zS*vKyye> ServicePaused();
&oxHVZJ return;
=A{s,UP }
J_ 7#UjGA, ServiceRunning();
Qo\?(EM Sleep(100);
Y^tUcBm\ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
.<4U2h //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
ek1<9"y if(KillPS(atoi(lpszArgv[5])))
RQYD#4| ServiceStopped();
4^T_" W} else
sB8v: ServicePaused();
ZRj/lQ2D return;
r;_*.|AH }
J
p)I9k,Ez /////////////////////////////////////////////////////////////////////////////
aGNbCm void main(DWORD dwArgc,LPTSTR *lpszArgv)
UM2yv6:/ {
'*D>/hn|:] SERVICE_TABLE_ENTRY ste[2];
gH
yJ~ ste[0].lpServiceName=ServiceName;
_B0C]u3D ste[0].lpServiceProc=ServiceMain;
SZvp%hS0 ste[1].lpServiceName=NULL;
bbT1p:RF ste[1].lpServiceProc=NULL;
A|YiSwyy StartServiceCtrlDispatcher(ste);
fd$nAE return;
t:"%d9]
}
+GncQs
y /////////////////////////////////////////////////////////////////////////////
G=er0(7< 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
nK}-^Ur 下:
|$g} &P8; /***********************************************************************
KW!+Ws Module:function.c
De2$:? Date:2001/4/28
,P%i%YPj Author:ey4s
7{\6EC}d[& Http://www.ey4s.org 3_8W5J3I ***********************************************************************/
kB.CeG]tk #include
Mm;[f'{M) ////////////////////////////////////////////////////////////////////////////
5Q\ hd*+g BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
_2hZGC%&E {
aNBwb9X TOKEN_PRIVILEGES tp;
/>wE[` LUID luid;
md `=2l f@2F! if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
N:;z~` {
A7 6HM@Q printf("\nLookupPrivilegeValue error:%d", GetLastError() );
EQ.K+d*K][ return FALSE;
rv`GOta* }
PS8^= tp.PrivilegeCount = 1;
Xck`"RU<xA tp.Privileges[0].Luid = luid;
eD8e0
D'S if (bEnablePrivilege)
#r/5!*3 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
OZA^L;#> else
E 02Y,C tp.Privileges[0].Attributes = 0;
N<b~,[yCd> // Enable the privilege or disable all privileges.
%j/pln& AdjustTokenPrivileges(
AiB]A} hToken,
b
+Z/nfS FALSE,
&*745,e &tp,
U }AIOtUw sizeof(TOKEN_PRIVILEGES),
F]fXS-@ c (PTOKEN_PRIVILEGES) NULL,
B*t1Y<>x (PDWORD) NULL);
HYL['B?Wid // Call GetLastError to determine whether the function succeeded.
FmhAUe if (GetLastError() != ERROR_SUCCESS)
4Y1dkg1y {
o+.ySSBl+ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
r`\@Fv, return FALSE;
\C>+ubF }
TV#>x!5!d return TRUE;
fzA Fn$[ }
[%O f ////////////////////////////////////////////////////////////////////////////
*Q)-"]O(k BOOL KillPS(DWORD id)
4j8$&~/ {
wWSo+40 HANDLE hProcess=NULL,hProcessToken=NULL;
kBxEp/y BOOL IsKilled=FALSE,bRet=FALSE;
#kh:GAp] __try
)0DgFA6k_ {
)8oN$20 wph8ln"C- if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
vCNq2l^CW {
Fq_>}k@fI printf("\nOpen Current Process Token failed:%d",GetLastError());
axDa&7% __leave;
^B%c3U$o }
<*WGvCh%w //printf("\nOpen Current Process Token ok!");
a
9{:ot8, if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
8};kNW^2m {
_RUL$Ds __leave;
l~w^I|M^C }
4HR36=E6 printf("\nSetPrivilege ok!");
`<g6^ P S;jD@j\t& if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
N/ ' {
cTS.yN({G printf("\nOpen Process %d failed:%d",id,GetLastError());
N{~P}Sw __leave;
0kNKt(_ }
Bs` {qmbC //printf("\nOpen Process %d ok!",id);
ck%YEMs if(!TerminateProcess(hProcess,1))
KeRC8mYp {
r>7+&s*yk printf("\nTerminateProcess failed:%d",GetLastError());
u|T]Ne __leave;
wu><a!3`=o }
^)I}# IsKilled=TRUE;
)QRT/, ;c }
Xdo\DQn __finally
`/'p1?Z" {
{I0U 4] if(hProcessToken!=NULL) CloseHandle(hProcessToken);
qp/1tC` if(hProcess!=NULL) CloseHandle(hProcess);
+/l@ou' }
U#]J5'i return(IsKilled);
&M@c50&% }
WJu(,zM?G //////////////////////////////////////////////////////////////////////////////////////////////
*9uNM@7&0 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
rMHh!)^#W /*********************************************************************************************
:o8|P ModulesKill.c
]jC{o,?s Create:2001/4/28
cm_5,wB(w Modify:2001/6/23
KvEv0L<ky Author:ey4s
aL*MC gb' Http://www.ey4s.org Maq`Or|4 PsKill ==>Local and Remote process killer for windows 2k
6W{Nw< **************************************************************************/
(,jsZ!sl #include "ps.h"
Du65>O #define EXE "killsrv.exe"
F'OO{nF #define ServiceName "PSKILL"
mXyN{`q= y<w_>O #pragma comment(lib,"mpr.lib")
?jUgDwc(w //////////////////////////////////////////////////////////////////////////
VFx[{Hy //定义全局变量
M2p|&Z% SERVICE_STATUS ssStatus;
ib#rT{e SC_HANDLE hSCManager=NULL,hSCService=NULL;
j6RV{Lkr_ BOOL bKilled=FALSE;
2>o^@4PnZ char szTarget[52]=;
8/(}Wet //////////////////////////////////////////////////////////////////////////
gd]S;<Jh BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
)W>$_QxbN BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
A[^#8evaK BOOL WaitServiceStop();//等待服务停止函数
yP"}(!~m BOOL RemoveService();//删除服务函数
G+Z ,ic /////////////////////////////////////////////////////////////////////////
&9)/" int main(DWORD dwArgc,LPTSTR *lpszArgv)
/<n7iIK) {
F-rhxJd BOOL bRet=FALSE,bFile=FALSE;
%&&)[ char tmp[52]=,RemoteFilePath[128]=,
)^ZC'[93 szUser[52]=,szPass[52]=;
UkpTK8>& HANDLE hFile=NULL;
@s
cn ?t DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
3@\/5I xn 0m]QQGvJ{ //杀本地进程
ar\|D\0V if(dwArgc==2)
WZn;u3,R {
%(p9AE if(KillPS(atoi(lpszArgv[1])))
{6 h 1
printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
l7jen=(Zb; else
2wB*c9~ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
}|2A6^FH. lpszArgv[1],GetLastError());
]r3/hDRDL@ return 0;
|v8hg])I+ }
KYw7Jx`l //用户输入错误
1E
/G+pm else if(dwArgc!=5)
IB|6\uKn {
MnqT?Cc4$j printf("\nPSKILL ==>Local and Remote Process Killer"
Z8FgxR "\nPower by ey4s"
HVoPJ!K3 "\nhttp://www.ey4s.org 2001/6/23"
ZCj1Cz]"l< "\n\nUsage:%s <==Killed Local Process"
><D2of| "\n %s <==Killed Remote Process\n",
mY/"rm lpszArgv[0],lpszArgv[0]);
Y)F(-H) return 1;
5NUaXQ }
)Cj1VjAg
//杀远程机器进程
3{|~'5* strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
}:c~5whN strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
; 8DtnnE strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
`<d.I%} Z;a)P.l.> //将在目标机器上创建的exe文件的路径
,LxZbo! sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
M^Z=~512g __try
x$` lQ% {
Vf~-v$YI //与目标建立IPC连接
Be@g|'r if(!ConnIPC(szTarget,szUser,szPass))
\3^V-/SJf {
1c#\CO1l printf("\nConnect to %s failed:%d",szTarget,GetLastError());
9#P~cW? return 1;
zEO~mJzo }
![ce } printf("\nConnect to %s success!",szTarget);
j>;1jzr2} //在目标机器上创建exe文件
(0Br`%!F syg{qtBz^ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
%i3[x.M E,
DoFe:+_U3 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
\
[OB. if(hFile==INVALID_HANDLE_VALUE)
2IW!EUR {
^`lrKk printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
y
`FZ 0FI __leave;
2e1%L,y{W }
eL"'-d+] //写文件内容
mMXDzAllB while(dwSize>dwIndex)
2HBey {
eq%cRd]u Io JI|lP if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
zLe(#8G {
+u=VO#IA# printf("\nWrite file %s
d9S?dx failed:%d",RemoteFilePath,GetLastError());
M0lJyzJ __leave;
H.XyNtJ }
tlD^"eq4: dwIndex+=dwWrite;
j*|0#q;e6 }
/v<Gt%3X //关闭文件句柄
h>*3i# CloseHandle(hFile);
;%
KS?;%[ bFile=TRUE;
K]B`&ih //安装服务
ZDzG8E0Sq if(InstallService(dwArgc,lpszArgv))
. G25D {
>f Hu //等待服务结束
!:5'MI@ if(WaitServiceStop())
l
lcq~*zz {
^
op0"
#B //printf("\nService was stoped!");
Q~ Ad{yC }
D`[@7$t else
:}fA98S {
w/ZP.B //printf("\nService can't be stoped.Try to delete it.");
:d35?[ }
p|nPu*R-\ Sleep(500);
<5j%!6zo //删除服务
Ws0)B8y,| RemoveService();
!mqIq}h }
DVwB}W~ }
ji4bz#/B0 __finally
G#` {
V\L%*6O //删除留下的文件
cy?#LS if(bFile) DeleteFile(RemoteFilePath);
G?b*e|@S //如果文件句柄没有关闭,关闭之~
n05GM.|*s if(hFile!=NULL) CloseHandle(hFile);
vJi<PQ6 //Close Service handle
JBq6Qg if(hSCService!=NULL) CloseServiceHandle(hSCService);
>h~ik/|* //Close the Service Control Manager handle
/CyFe<