ืื™ืš ื‘ื™ืŸ ืฉื•ืจืฉ. ืคืืจืฉื˜ืื ื“ ืคื•ืŸ ืœื™ื ื•ืงืก ืึทืก ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœืึทื˜ื™ืึธืŸ

ืื™ืš ืคืืจื‘ืจืื›ื˜ ื“ื™ ืขืจืฉื˜ืขืจ ืคืขืจื˜ืœ ืคื•ืŸ 2020 ืคึผืจื™ืคึผืขืจื™ื ื’ ืคึฟืึทืจ ื“ื™ OSCP ื™ื’ื–ืึทื. ื–ื•ื›ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื•ื™ืฃ Google ืื•ืŸ ืึท ืคึผืœืึทืฅ ืคื•ืŸ "ื‘ืœื™ื ื“" ืคืจื•ื•ื•ืŸ ื’ืขื ื•ืžืขืŸ ืึทืœืข ืžื™ื™ืŸ ืคืจื™ื™ ืฆื™ื™ื˜. ืกืคึผืขืฆื™ืขืœ ืฉื•ื•ืขืจ ืฆื• ืคึฟืึทืจืฉื˜ื™ื™ืŸ ื“ื™ ืžืขืงืึทื ื™ื–ืึทืžื– ืคึฟืึทืจ ื™ื ืงืจื™ืกื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–. ื“ืขืจ PWK ืงื•ืจืก ื’ื™ื˜ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ื•ืคืžืขืจืงื–ืึทืžืงื™ื™ื˜ ืฆื• ื“ืขื ื˜ืขืžืข, ืึธื‘ืขืจ ื“ื™ ืœืขืจื ืขืŸ ืžืึทื˜ืขืจื™ืึทืœืก ื–ืขื ืขืŸ ืงื™ื™ื ืžืึธืœ ื’ืขื ื•ื’. ืขืก ื–ืขื ืขืŸ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืžืึทื ื™ื•ืึทืœื– ืื•ื™ืฃ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ ืžื™ื˜ ื ื•ืฆื™ืง ืงืึทืžืึทื ื“ื–, ืึธื‘ืขืจ ืื™ืš ื‘ื™ืŸ ื ื™ืฉื˜ ืึท ืคืึธื›ืขืจ ืคื•ืŸ ื‘ืœื™ื™ื ื“ืœื™ ื ืึธื›ืคืึธืœื’ืŸ ืจืขืงืึทืžืึทื ื“ื™ื™ืฉืึทื ื– ืึธืŸ ืคืืจืฉื˜ืื ื“ ื•ื•ืึธืก ืขืก ื•ื•ืขื˜ ืคื™ืจืŸ ืฆื•.

ืื™ืš ื•ื•ืึธืœื˜ ื•ื•ื™ ืฆื• ื˜ื™ื™ืœืŸ ืžื™ื˜ ืื™ืจ ื•ื•ืึธืก ืื™ืš ื’ืขืœืขืจื ื˜ ื‘ืขืฉืึทืก ื“ืขืจ ืฆื•ื’ืจื™ื™ื˜ื•ื ื’ ืื•ืŸ ื’ืขืจืึธื˜ืŸ ื“ื•ืจื›ืคืึธืจ ืคื•ืŸ ื“ื™ ื™ื’ื–ืึทื (ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืคึผืขืจื™ืึธื“ื™ืฉ ืคืึธืจื™ื™ื– ืื™ืŸ Hack The Box). ืื™ืš ืคึผืขืœืฅ ืึท ืฉื˜ืึทืจืง ื’ืขืคื™ืœ ืคื•ืŸ ื“ืื ืงื‘ืืจืงื™ื™ื˜ ืคึฟืึทืจ ื™ืขื“ืขืจ ื‘ื™ืกืœ ืคื•ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืึธืก ื’ืขื”ืึธืœืคึฟืŸ ืžื™ืจ ื’ื™ื™ืŸ ื“ื™ ืคึผืจื•ึผื•ื•ื˜ ื”ืึทืจื“ืขืจ ื•ื•ืขื’ ืžืขืจ ืงืึทื ืฉืึทืกืœื™, ืื™ืฆื˜ ืื™ื– ืžื™ื™ืŸ ืฆื™ื™ื˜ ืฆื• ื’ืขื‘ืŸ ืฆื•ืจื™ืง ืฆื• ื“ื™ ืงื”ืœ.

ืื™ืš ื•ื•ื™ืœืŸ ืฆื• ื’ืขื‘ืŸ ืื™ืจ ืึท ืžืึทื ื•ืึทืœ ื•ื•ื™ ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื™ืŸ OS Linux, ื•ื•ืึธืก ื›ื•ืœืœ ืึทืŸ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ื“ื™ ืžืขืจืกื˜ ืคึผืจืึธืกื˜ ื•ื•ืขืงื˜ืึธืจืก ืื•ืŸ ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ืคึฟืขื™ึดืงื™ื™ื˜ืŸ ื•ื•ืึธืก ื•ื•ืขื˜ ื‘ืืฉื˜ื™ืžื˜ ื–ื™ื™ืŸ ื ื•ืฆื™ืง ืคึฟืึทืจ ืื™ืจ. ืึธืคื˜ ื“ื™ ืžืขืงืึทื ื™ื–ืึทืžื– ืคึฟืึทืจ ื™ื ืงืจื™ืกื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื–ื™ืš ื–ืขื ืขืŸ ื’ืึทื ืฅ ืคึผืฉื•ื˜ ืฉื•ื•ืขืจื™ืงื™ื™ื˜ืŸ ื•ื•ืขืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื™ื ื’ ืื•ืŸ ืึทื ืึทืœื™ื™ื–ื™ื ื’ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข. ื“ืขืจื™ื‘ืขืจ, ืื™ืš ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืึธื ื”ื™ื™ื‘ืŸ ืžื™ื˜ ืึท "ืกื™ื™ืฆื™ื™ื ื’ ืจื™ื™ึทื–ืข" ืื•ืŸ ื“ืึทืŸ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื™ืขื“ืขืจ ื•ื•ืขืงื˜ืึธืจ ืื™ืŸ ืึท ื‘ืึทื–ื•ื ื“ืขืจ ืึทืจื˜ื™ืงืœ. ืื™ืš ื”ืึธืคึฟืŸ ืื™ืš ืฉืคึผืึธืจืŸ ืื™ืจ ืขื˜ืœืขื›ืข ืžืึธืœ ืจื™ืกืขืจื˜ืฉื™ื ื’ ื“ื™ ื˜ืขืžืข.

ืื™ืš ื‘ื™ืŸ ืฉื•ืจืฉ. ืคืืจืฉื˜ืื ื“ ืคื•ืŸ ืœื™ื ื•ืงืก ืึทืก ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœืึทื˜ื™ืึธืŸ

ืึทื–ื•ื™ ืคืืจื•ื•ืืก ืื™ื– ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ืืคื™ืœื• ืžืขื’ืœืขืš ืื™ืŸ 2020 ืื•ื™ื‘ ื“ื™ ืžืขื˜ื”ืึธื“ืก ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ื‘ืึทื•ื•ื•ืกื˜ ืคึฟืึทืจ ืึท ื–ื™ื™ืขืจ ืœืึทื ื’ ืฆื™ื™ื˜? ืื™ืŸ ืคืึทืงื˜, ืื•ื™ื‘ ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ื›ืึทื ื“ืึทืœื– ื“ื™ ืกื™ืกื˜ืขื ืจื™ื›ื˜ื™ืง, ืขืก ื•ื•ืขื˜ ื˜ืึทืงืข ื ื™ื˜ ื–ื™ื™ืŸ ืžืขื’ืœืขืš ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื™ืŸ ืขืก. ื“ื™ ื”ื•ื™ืคึผื˜ ื’ืœืื‘ืืœืข ืคึผืจืึธื‘ืœืขื ื•ื•ืึธืก ื’ื™ื˜ ื”ืขื›ืขืจื•ื ื’ ืฆื• ืึทื–ืึท ืึทืคึผืขืจื˜ื•ื ืึทื˜ื™ื– ืื™ื– ื™ื ืกืึทืงื™ืขืจ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ. ื“ื™ ื‘ื™ื™ึทื–ื™ื™ึทืŸ ืคื•ืŸ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ื•ื•ืขืจืกื™ืขืก ืžื™ื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืื™ืŸ ื“ื™ ืกื™ืกื˜ืขื ืื™ื– ืื•ื™ืš ืึท ืกืคึผืขืฆื™ืขืœ ืคืึทืœ ืคื•ืŸ ืึท ืึทื ืกื™ื™ืฃ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ.

ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ื“ื•ืจืš ื™ื ืกืึทืงื™ืขืจ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ

ืขืจืฉื˜ืขืจ, ืœืึธื–ืŸ ืก ื”ืึทื ื“ืœืขืŸ ืžื™ื˜ ื™ื ืกืึทืงื™ืขืจ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ. ื–ืืœ ืก ืึธื ื”ื™ื™ื‘ืŸ ืžื™ื˜ ืขืก ืคึผืจืึธืคืขืกืกื™ืึธื ืึทืœืก ืึธืคื˜ ื ื•ืฆืŸ ืžืึทื ื™ื•ืึทืœื– ืื•ืŸ ืจืขืกื•ืจืกืŸ ื•ื•ื™ ืกื˜ืึทืงืงืึธื•ื•ืขืจืคืœืึธื•ื•, ืคื™ืœืข ืคื•ืŸ โ€‹โ€‹ื•ื•ืึธืก ืึทื ื˜ื”ืึทืœื˜ืŸ ืึทื ืกื™ื™ืฃ ืงืึทืžืึทื ื“ื– ืื•ืŸ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทื ื–. ื ื˜ืจื•ื™ืขืจื™ืง ื‘ื™ื™ืฉืคื™ืœ - ื“ื™ ื ื™ื™ึทืขืก ืึทื– ื“ืขืจ ืงืึธื“ ื•ื•ืึธืก ืื™ื– ืžืขืจืกื˜ ืงืึทืคึผื™ื“ ืคึฟื•ืŸ ืกื˜ืึทืงืงืึธื•ื•ืขืจืคืœืึธื•ื• ืงืึทื ื˜ื™ื™ื ื“ ืึท ื˜ืขื•ืช. ืึท ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ ื•ื•ืขื˜ ื–ืขืŸ ื“ื™ ื“ื–ืฉืึทืžื‘, ืึธื‘ืขืจ ื“ืึธืก ืื™ื– ืื™ืŸ ืึทืŸ ืื™ื“ืขืืœ ื•ื•ืขืœื˜. ืืคื™ืœื• ืงืึธืžืคึผืขื˜ืขื ื˜ ืกืคึผืขืฉืึทืœืึทืกืฅ ื’ืขื•ื•ืืงืกืŸ ื•ื•ืขืจืงืœืึธื•ื“ ื˜ื•ื™ื’ืขื•ื•ื“ื™ืง ืคื•ืŸ ืžืื›ืŸ ื˜ืขื•ืชื™ื. ื™ืžืึทื“ื–ืฉืึทืŸ ืึทื– ืึท ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ ืื™ื– ืคึผืจื™ืคึผืขืจื™ื ื’ ืื•ืŸ ืงืึธื•ืึธืจื“ืึทื ื™ื™ื˜ื™ื ื’ ื“ืึทืงื™ื•ืžืขื ื˜ื™ื™ืฉืึทืŸ ืคึฟืึทืจ ื“ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ื˜ืขื ื“ืขืจ, ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜ ื“ื™ืœื™ื ื’ ืื™ืŸ ื“ื™ ื ื™ื™ึทืข ื˜ืขื›ื ืึธืœืึธื’ื™ืข ื•ื•ืึธืก ืื™ื– ืฆื• ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“ ืื™ืŸ ื“ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ืคืขืจื˜ืœ, ื‘ืฉืขืช ืคึผื™ืจื™ืึทื“ื™ืงืœื™ ืกืึทืœื•ื•ื™ื ื’ ื‘ืึทื ื™ืฆืขืจ ืฉื˜ื™ืฆืŸ ืคึผืจืึธื‘ืœืขืžืก. ืื•ืŸ ื“ืขืจื ืึธืš ืขืจ ืื™ื– ื’ืขื’ืขื‘ืŸ ื“ื™ ืึทืจื‘ืขื˜ ืคื•ืŸ ื’ืขืฉื•ื•ื™ื ื“ ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ืึท ืคึผืึธืจ ืคื•ืŸ ื•ื•ื™ืจื˜ื•ืึทืœ ืžืืฉื™ื ืขืŸ ืื•ืŸ ืจืึธื•ืœื™ื ื’ ืื•ื™ืก ื‘ืึทื“ื™ื ื•ื ื’ืก ืื•ื™ืฃ ื–ื™ื™. ื•ื•ืึธืก ื˜ืึธืŸ ืื™ืจ ื˜ืจืึทื›ื˜ืŸ ืื™ื– ื“ื™ ืžืึทืฉืžืึธืขืก ืึทื– ื“ืขืจ ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ ื•ื•ืขื˜ ืคืฉื•ื˜ ื ื™ืฉื˜ ื‘ืึทืžืขืจืงืŸ ื“ื™ ื“ื–ืฉืึทืžื‘? ื“ืขืžืึธืœื˜ ืกืคึผืขืฉืึทืœืึทืกืฅ ื˜ื•ื™ืฉืŸ, ืึธื‘ืขืจ ื“ื™ ืงืจืึทื˜ืฉื™ื– ื‘ืœื™ื™ึทื‘ืŸ, ื‘ืฉืขืช ืงืึธืžืคึผืึทื ื™ืขืก ืฉื˜ืขื ื“ื™ืง ืฉื˜ืจืขื‘ืŸ ืฆื• ืžื™ื ืึทืžื™ื™ื– ืงืึธืก, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืคึฟืึทืจ IT ืฉื˜ืขืงืŸ.

ืคึผืกืขื•ื•ื“ืึธ-ืฉืึธืœ ืื•ืŸ ื“ื–ืฉืึทื™ืœื‘ืจืขืึทืง

ื“ื™ ืกื™ืกื˜ืขื ืฉืึธืœ ื‘ืืงื•ืžืขืŸ ื‘ืขืฉืึทืก ื“ื™ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ื‘ื™ื ืข ืื™ื– ืึธืคื˜ ืœื™ืžื™ื˜ืขื“, ืกืคึผืขืฆื™ืขืœ ืื•ื™ื‘ ืื™ืจ ื‘ืืงื•ืžืขืŸ ืขืก ื“ื•ืจืš ื›ืึทืงื™ื ื’ ืึท ื‘ืึทื ื™ืฆืขืจ ืคื•ืŸ ื“ื™ ื•ื•ืขื‘ ืกืขืจื•ื•ืขืจ. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืฉืึธืœ ืจื™ืกื˜ืจื™ืงืฉืึทื ื– ืงืขืŸ ืคืึทืจืžื™ื™ื“ืŸ ืื™ืจ ืคื•ืŸ ืœื•ื™ืคืŸ ื“ื™ ืกื•ื“ืึธ ื‘ืึทืคึฟืขืœ, ืคึผืจืึทื“ื•ืกื™ื ื’ ืึท ื˜ืขื•ืช:

sudo: no tty present and no askpass program specified

ืึทืžืึธืœ ืื™ืจ ื”ืึธื‘ืŸ ืึท ืฉืึธืœ, ืื™ืš ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืฆื• ืฉืึทืคึฟืŸ ืึท ืคื•ืœ-ืคืœืขื“ื–ืฉื“ ื•ื•ืึธืงื–ืึทืœ, ืœืžืฉืœ ื ื™ืฆืŸ Python.

python -c 'import pty;pty.spawn("/bin/bash")'

ืื™ืจ ืงืขืŸ ืคืจืขื’ืŸ: "ืคืืจื•ื•ืืก ื˜ืึธืŸ ืื™ืš ื“ืึทืจืคึฟืŸ ืึท ื˜ื•ื™ื–ื ื˜ ืงืึทืžืึทื ื“ื– ืื•ื™ื‘ ืื™ืš ืงืขื ืขืŸ ื ื•ืฆืŸ ืื™ื™ื ืขืจ, ืœืžืฉืœ, ืฆื• ืึทืจื™ื‘ืขืจืคื™ืจืŸ ื˜ืขืงืขืก?" ื“ืขืจ ืคืึทืงื˜ ืื™ื– ืึทื– ืกื™ืกื˜ืขืžืขืŸ ื–ืขื ืขืŸ ืงืึทื ืคื™ื’ื™ืขืจื“ ื“ื™ืคืขืจืขื ื˜ืœื™ ืึท ื’ืขื’ืขื‘ืŸ ื‘ืึทืœืขื‘ืึธืก ืงืขืŸ ื ื™ืฉื˜ ื”ืึธื‘ืŸ Python ืื™ื ืกื˜ืึทืœื™ืจืŸ, ืึธื‘ืขืจ ืงืขืŸ ื”ืึธื‘ืŸ ืคึผืขืจืœ. ื“ื™ ื‘ืงื™ืขืก ืื™ื– ืฆื• ืงืขื ืขืŸ ืฆื• ื˜ืึธืŸ ื‘ืึทืงืึทื ื˜ืข ื˜ื™ื ื’ื– ืื™ืŸ ื“ื™ ืกื™ืกื˜ืขื ืึธืŸ ื‘ืึทืงืึทื ื˜ ืžื›ืฉื™ืจื™ื. ื ื’ืึทื ืฅ ืจืฉื™ืžื” ืคื•ืŸ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขืคึฟื•ื ืขืŸ ื“ืึธ.

ื ื ื™ื“ืขืจื™ืง-ืคึผืจื™ื•ื•ืœื™ื“ื–ืฉื“ ืฉืึธืœ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื‘ืืงื•ืžืขืŸ ื ื™ืฆืŸ ื˜ื™ืžื– 1 ะธ ื˜ื™ืžื– 2 (ืกืึทืคึผืจื™ื™ื–ื™ื ื’ืœื™, ืืคื™ืœื• ื’ื™ืžืคึผ).

View ื‘ืึทืคึฟืขืœืŸ ื’ืขืฉื™ื›ื˜ืข

ืœื™ื ื•ืงืก ืงืึทืœืขืงืฅ ืึท ื’ืขืฉื™ื›ื˜ืข ืคื•ืŸ โ€‹โ€‹ืึทืœืข ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืงืึทืžืึทื ื“ื– ืื™ืŸ ืึท ื˜ืขืงืข ~ / .ื‘ืึทืฉ_ื”ื™ืกื˜ืึธืจื™. ืื•ื™ื‘ ื“ืขืจ ืกืขืจื•ื•ืขืจ ืื™ื– ืึทืงื˜ื™ื•ื•ืœื™ ื’ืขื ื™ืฆื˜ ืื•ืŸ ื–ื™ื™ืŸ ื’ืขืฉื™ื›ื˜ืข ืื™ื– ื ื™ืฉื˜ ืงืœื™ืจื“, ืขืก ืื™ื– ืึท ื”ื•ื™ืš ืžืึทืฉืžืึธืขืก ืฆื• ื’ืขืคึฟื™ื ืขืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืื™ืŸ ื“ืขื ื˜ืขืงืข. ืงืœื™ืจื™ื ื’ ื’ืขืฉื™ื›ื˜ืข ืื™ื– ืคืฉื•ื˜ ื•ืžื‘ืึทืงื•ื•ืขื. ืื•ื™ื‘ ื“ืขืจ ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ ืื™ื– ื’ืขืฆื•ื•ื•ื ื’ืขืŸ ืฆื• ืื•ื™ืกืงืœื™ื™ึทื‘ืŸ ืฆืขืŸ-ื’ืขืฉื™ื›ื˜ืข ืงืึทืžืึทื ื“ื– ื“ื•ืจืš, ืคื•ืŸ ืงื•ืจืก, ืขืก ื•ื•ืขื˜ ื–ื™ื™ืŸ ืžืขืจ ื‘ืึทืงื•ื•ืขื ืคึฟืึทืจ ืื™ื ืฆื• ืจื•ืคืŸ ื“ืขื ื‘ืึทืคึฟืขืœ ืคื•ืŸ ื’ืขืฉื™ื›ื˜ืข ื•ื•ื™ ืฆื• ืึทืจื™ื™ึทืŸ ืขืก ื•ื•ื™ื“ืขืจ. ืคึผืœื•ืก, ืคื™ืœืข ืžืขื ื˜ืฉืŸ ื˜ืึธืŸ ื ื™ื˜ ื•ื•ื™ืกืŸ ื•ื•ืขื’ืŸ ื“ืขื "ื›ืึทืง." ืื•ื™ื‘ ืขืก ื–ืขื ืขืŸ ืึธืœื˜ืขืจื ืึทื˜ื™ื•ื• ืฉืขืœื– ื•ื•ื™ ื–ืฉ ืึธื“ืขืจ ืคื™ืฉ ืื™ืŸ ื“ื™ ืกื™ืกื˜ืขื, ื–ื™ื™ ื”ืึธื‘ืŸ ื–ื™ื™ืขืจ ืื™ื™ื’ืŸ ื’ืขืฉื™ื›ื˜ืข. ืฆื• ื•ื•ื™ื™ึทื–ืŸ ื“ื™ ื’ืขืฉื™ื›ื˜ืข ืคื•ืŸ โ€‹โ€‹ืงืึทืžืึทื ื“ื– ืื™ืŸ ืงื™ื™ืŸ ืฉืึธืœ, ื˜ื™ืคึผ ื“ื™ ื‘ืึทืคึฟืขืœ ื’ืขืฉื™ื›ื˜ืข.

cat ~/.bash_history
cat ~/.mysql_history
cat ~/.nano_history
cat ~/.php_history
cat ~/.atftp_history

ืขืก ืื™ื– ืฉืขืจื“ ื”ืึธืกื˜ื™ื ื’, ืื™ืŸ ื•ื•ืึธืก ื“ืขืจ ืกืขืจื•ื•ืขืจ ืื™ื– ื’ืขื ื™ืฆื˜ ืฆื• ื‘ืึทืœืขื‘ืึธืก ืขื˜ืœืขื›ืข ื•ื•ืขื‘ืกื™ื˜ืขืก. ื˜ื™ืคึผื™ืงืึทืœืœื™, ืžื™ื˜ ื“ืขื ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ, ื™ืขื“ืขืจ ืžื™ื˜ืœ ื”ืื˜ ื–ื™ื™ืŸ ืื™ื™ื’ืขื ืข ื‘ืึทื ื™ืฆืขืจ ืžื™ื˜ ืึท ื‘ืึทื–ื•ื ื“ืขืจ ื”ื™ื™ื ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ ืื•ืŸ ืึท ื•ื•ื™ืจื˜ื•ืึทืœ ื‘ืึทืœืขื‘ืึธืก. ืึทื–ื•ื™, ืื•ื™ื‘ ืงืึทื ืคื™ื’ื™ืขืจื“ ืคืึทืœืฉ, ืื™ืจ ืงืขื ืขืŸ ื’ืขืคึฟื™ื ืขืŸ ื“ื™ .bash_history ื˜ืขืงืข ืื™ืŸ ื“ื™ ื•ื•ืึธืจืฆืœ ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ ืคื•ืŸ ื“ื™ ื•ื•ืขื‘ ืžื™ื˜ืœ.

ื–ื•ื›ืŸ ืคึฟืึทืจ ืคึผืึทืกื•ื•ืขืจื“ื– ืื™ืŸ ื“ื™ ื˜ืขืงืข ืกื™ืกื˜ืขื ืื•ืŸ ืื ืคืืœืŸ ืื•ื™ืฃ ืฉื›ื™ื™ื ื™ืฉ ืกื™ืกื˜ืขืžืขืŸ

ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ื˜ืขืงืขืก ืคึฟืึทืจ ืคืึทืจืฉื™ื“ืŸ ื‘ืึทื“ื™ื ื•ื ื’ืก ืงืขืŸ ื–ื™ื™ืŸ ืœื™ื™ื ืขื•ื•ื“ื™ืง ื“ื•ืจืš ื“ื™ื™ืŸ ืงืจืึทื ื˜ ื‘ืึทื ื™ืฆืขืจ. ืื™ืŸ ื–ื™ื™ ืื™ืจ ืงืขื ืขืŸ ื’ืขืคึฟื™ื ืขืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืื™ืŸ ืงืœืึธืจ ื˜ืขืงืกื˜ - ืคึผืึทืกื•ื•ืขืจื“ื– ืคึฟืึทืจ ืึทืงืกืขืก ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก ืึธื“ืขืจ ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ื‘ืึทื“ื™ื ื•ื ื’ืก. ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืคึผืึทืจืึธืœ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ื‘ื™ื™ื“ืข ืฆื• ืึทืงืกืขืก ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก ืื•ืŸ ืฆื• ืึธื˜ืขืจื™ื™ื– ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ (ืงืจืขื“ืขื ืฉืึทืœ ืกื˜ืึทืคืคื™ื ื’).
ืขืก ื›ืึทืคึผืึทื ื– ืึทื– ื“ื™ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ื’ืขืคึฟื•ื ืขืŸ ื’ืขื”ืขืจืŸ ืฆื• ื‘ืึทื“ื™ื ื•ื ื’ืขืŸ ืื•ื™ืฃ ืื ื“ืขืจืข ืžื—ื ื•ืช. ื“ืขื•ื•ืขืœืึธืคึผื™ื ื’ ืึท ื‘ืึทืคืึทืœืŸ ืื•ื™ืฃ ื™ื ืคืจืึทืกื˜ืจืึทืงื˜ืฉืขืจ ื“ื•ืจืš ืึท ืงืึทืžืคึผืจืึทืžื™ื™ื–ื“ ื‘ืึทืœืขื‘ืึธืก ืื™ื– ื ื™ื˜ ืขืจื’ืขืจ ื•ื•ื™ ืขืงืกืคึผืœื•ื™ื˜ื™ื ื’ ืื ื“ืขืจืข ืžื—ื ื•ืช. ืฉื›ื™ื™ื ื™ืฉ ืกื™ืกื˜ืขืžืขืŸ ืงืขื ืขืŸ ืื•ื™ืš ื–ื™ื™ืŸ ื’ืขืคึฟื•ื ืขืŸ ื“ื•ืจืš ื–ื•ื›ืŸ IP ืึทื“ืจืขืกืขืก ืื™ืŸ ื“ื™ ื˜ืขืงืข ืกื™ืกื˜ืขื.

grep -lRi "password" /home /var/www /var/log 2>/dev/null | sort | uniq #Find string password (no cs) in those directories
grep -a -R -o '[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}' /var/log/ 2>/dev/null | sort -u | uniq #IPs inside logs

ืื•ื™ื‘ ื“ืขืจ ืงืึทืžืคึผืจืึทืžื™ื™ื–ื“ ื‘ืึทืœืขื‘ืึธืก ื”ืื˜ ืึท ื•ื•ืขื‘ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืฆื•ื˜ืจื™ื˜ืœืขืš ืคึฟื•ืŸ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ, ืขืก ืื™ื– ื‘ืขืกืขืจ ืฆื• ื•ื™ืกืฉืœื™ืกืŸ ื–ื™ื™ึทืŸ ืœืึธื’ืก ืคื•ืŸ ื“ื™ ื–ื•ื›ืŸ ืคึฟืึทืจ IP ืึทื“ืจืขืกืขืก. ื“ื™ ืึทื“ืจืขืกืขืก ืคื•ืŸ ืจื™ืกืึธืจืก ื ื™ืฆืขืจืก ืคึฟื•ืŸ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ ื–ืขื ืขืŸ ืึทื ืœื™ื™ืงืœื™ ืฆื• ื–ื™ื™ืŸ ื ื•ืฆื™ืง ืคึฟืึทืจ ืื•ื ื“ื–, ืึธื‘ืขืจ ื“ื™ ืึทื“ืจืขืกืขืก ืคื•ืŸ ื“ื™ ื™ื ืขืจืœืขืš ื ืขืฅ (172.16.0.0/12, 192.168.0.0/16, 10.0.0.0/8) ืื•ืŸ ื•ื•ื• ื–ื™ื™ ื’ื™ื™ืŸ, ืื•ื™ื‘ ืžืฉืคื˜ืŸ ืœื•ื™ื˜ ื“ื™ ืœืึธื’ืก , ืงืขืŸ ื–ื™ื™ืŸ ืคื•ืŸ ืื™ื ื˜ืขืจืขืก.

ืกื•ื“ืึธ

ื“ืขืจ ืกื•ื“ืึธ ื‘ืึทืคึฟืขืœ ื’ื™ื˜ ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ื•ื™ืกืคื™ืจืŸ ืึท ื‘ืึทืคึฟืขืœ ืื™ืŸ ื“ืขืจ ื•ื•ืึธืจืฆืœ ืงืึธื ื˜ืขืงืกื˜ ืžื™ื˜ ื–ื™ื™ืขืจ ืื™ื™ื’ืขื ืข ืคึผืึทืจืึธืœ ืึธื“ืขืจ ืึธืŸ ืึท ืคึผืึทืจืึธืœ. ืคื™ืœืข ืึทืคึผืขืจื™ื™ืฉืึทื ื– ืื™ืŸ ืœื™ื ื•ืงืก ื“ืึทืจืคืŸ ื•ื•ืึธืจืฆืœ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–, ืึธื‘ืขืจ ืคืœื™ืกื ื“ื™ืง ื•ื•ื™ ื•ื•ืึธืจืฆืœ ืื™ื– ื’ืขื”ืืœื˜ืŸ ืึท ื–ื™ื™ืขืจ ืฉืœืขื›ื˜ ืคื™ืจ. ืึทื ืฉื˜ืึธื˜, ืขืก ืื™ื– ื‘ืขืกืขืจ ืฆื• ืฆื•ืœื™ื™ื’ืŸ ืกืขืœืขืงื˜ื™ื•ื• ื“ืขืจืœื•ื™ื‘ืขื ื™ืฉ ืฆื• ื•ื™ืกืคื™ืจืŸ ืงืึทืžืึทื ื“ื– ืื™ืŸ ื“ื™ ื•ื•ืึธืจืฆืœ ืงืึธื ื˜ืขืงืกื˜. ืึธื‘ืขืจ, ืคื™ืœืข ืœื™ื ื•ืงืก ืžื›ืฉื™ืจื™ื, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื ืึธืจืžืึทืœ ื•ื•ื™ ื•ื•ื™, ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืฆื• ืขืกืงืึทืœื™ื™ื˜ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื™ืŸ ืœืึทื“ื–ืฉื™ื˜ืึทืžืึทื˜ ื•ื•ืขื’ืŸ. ืฆื• ื’ืขืคึฟื™ื ืขืŸ ืึท ืคึผืึทืกื™ืง ืื•ืคึฟืŸ, ืื™ืš ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืฆื• ืงื•ืงืŸ ื“ืึธ.

ื“ืขืจ ืขืจืฉื˜ืขืจ ื–ืึทืš ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื˜ืึธืŸ ื•ื•ืขืŸ ืื™ืจ ื‘ืึทืงื•ืžืขืŸ ืึทืงืกืขืก ืฆื• ื“ื™ ืกื™ืกื˜ืขื ืื™ื– ืฆื• ืœื•ื™ืคืŸ ื“ื™ sudo -l ื‘ืึทืคึฟืขืœ. ืขืก ื•ื•ืขื˜ ื•ื•ื™ื™ึทื–ืŸ ื“ืขืจืœื•ื™ื‘ืขื ื™ืฉ ืฆื• ื ื•ืฆืŸ ื“ื™ ืกื•ื“ืึธ ื‘ืึทืคึฟืขืœ. ืื•ื™ื‘ ืึท ื‘ืึทื ื™ืฆืขืจ ืึธืŸ ืึท ืคึผืึทืจืึธืœ ืื™ื– ื‘ืืงื•ืžืขืŸ (ืึทื–ืึท ื•ื•ื™ ืึทืคึผืึทื˜ืฉื™ ืึธื“ืขืจ www-data), ื“ื™ ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ื•ื•ืขืงื˜ืึธืจ ื“ื•ืจืš ืกื•ื“ืึธ ืื™ื– ืึทื ืœื™ื™ืงืœื™. ื•ื•ืขืŸ ืื™ืจ ื ื•ืฆืŸ ืกื•ื“ืึธ, ื“ื™ ืกื™ืกื˜ืขื ื•ื•ืขื˜ ื‘ืขื˜ืŸ ืึท ืคึผืึทืจืึธืœ. ืื™ืจ ื•ื•ืขื˜ ื ื™ืฉื˜ ืงืขื ืขืŸ ืฆื• ืฉื˜ืขืœืŸ ืึท ืคึผืึทืจืึธืœ ืžื™ื˜ ื“ื™ passwd ื‘ืึทืคึฟืขืœ ืึธื“ืขืจ ืขืก ื•ื•ืขื˜ ืคืจืขื’ืŸ ื“ืขื ื‘ืึทื ื™ืฆืขืจ 'ืก ืงืจืึทื ื˜ ืคึผืึทืจืึธืœ. ืึธื‘ืขืจ ืื•ื™ื‘ ืกื•ื“ืึธ ืื™ื– ื ืึธืš ื‘ื ื™ืžืฆื, ื™ืกืขื ืฉืึทืœื™ ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ืงื•ืงืŸ ืคึฟืึทืจ:

  • ืงื™ื™ืŸ ื™ื ื˜ืขืจืคึผืจืึทื˜ืขืจื–, ื•ื•ืขืจ ืขืก ื™ื– ืงืขื ืขืŸ ืจื•ื™ื’ ืึท ืฉืึธืœ (PHP, Python, Perl);
  • ืงื™ื™ืŸ ื˜ืขืงืกื˜ ืจืขื“ืืงืฆื™ืข (ื•ื•ื™ื, ื•ื•ื™, ื ืึทื ืึธ);
  • ืงื™ื™ืŸ ื•ื•ื™ื•ืขืจื– (ื•ื•ื™ื™ื ื™ืงืขืจ, ืžืขืจ);
  • ืงื™ื™ืŸ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ืึทืจื‘ืขื˜ืŸ ืžื™ื˜ ื“ื™ ื˜ืขืงืข ืกื™ืกื˜ืขื (ืงืคึผ, ืžื•ื•);
  • ืžื›ืฉื™ืจื™ื ื•ื•ืึธืก ื”ืึธื‘ืŸ ืจืขื–ื•ืœื˜ืึทื˜ ืื™ืŸ bash, ื™ื ื˜ืขืจืึทืงื˜ื™ื•ื• ืึธื“ืขืจ ื•ื•ื™ ืึท ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื‘ืึทืคึฟืขืœ (awk, find, nmap, tcpdump, man, vi, vim, ansible).

ืกื•ื™ื“/ืกื’ื™ื“

ืขืก ื–ืขื ืขืŸ ืคื™ืœืข ืžืึทื ื™ื•ืึทืœื– ืื•ื™ืฃ ื“ื™ ืื™ื ื˜ืขืจื ืขื˜ ื•ื•ืึธืก ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืงืึทืœืขืงื˜ื™ื ื’ ืึทืœืข ืกื•ื™ื“ / ืกื’ื™ื“ ืงืึทืžืึทื ื“ื–, ืึธื‘ืขืจ ืึท ื–ืขืœื˜ืŸ ืึทืจื˜ื™ืงืœ ื’ื™ื˜ ืกืคึผืขืกื™ืคื™ืงืก ื•ื•ืขื’ืŸ ื•ื•ืึธืก ืฆื• ื˜ืึธืŸ ืžื™ื˜ ื“ื™ ืžื’ื™ืœื”. ืึธืคึผืฆื™ืขืก ืคึฟืึทืจ ืขืกืงืึทืœื™ื™ื˜ื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื•ื•ืึธืก ื˜ืึธืŸ ื ื™ื˜ ื ืขืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืขืงืกืคึผืœื•ื™ืฅ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขืคึฟื•ื ืขืŸ ื“ืึธ. ืื•ื™ืš, ืึท ื ื•ืžืขืจ ืคื•ืŸ ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืขืก ื”ืึธื‘ืŸ ืกืคึผืขืฆื™ืคื™ืฉ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืคึฟืึทืจ ื“ื™ ืึทืก ื•ื•ืขืจืกื™ืข, ืœืขืžืึธืฉืœ.

ืื™ืŸ ืึทืŸ ืื™ื“ืขืืœ ื•ื•ืขืœื˜, ืื™ืจ ื•ื•ืึธืœื˜ ืœื•ื™ืคืŸ ืึทืœืข ืื™ื ืกื˜ืึทืœื™ืจืŸ ืคึผืึทืงืึทื“ื–ืฉืึทื– ื“ื•ืจืš ื‘ื™ื™ึท ืžื™ื ื“ืกื˜ืขืจ ื–ื•ื›ืŸืกืคึผืœืึธื™ื˜. ืื™ืŸ ืคื™ืจ, ื“ืึธืก ื–ืึธืœ ื–ื™ื™ืŸ ื’ืขื˜ืืŸ ืžื™ื˜ ื“ื™ ืžืขืจืกื˜ ืคืึธืœืงืก ืžื’ื™ืœื” ืึทื–ืึท ื•ื•ื™ ืกื•ื“ืึธ. ืขืก ืื™ื– ืื•ื™ืš ืฉื˜ืขื ื“ื™ืง ื“ื™ ืึธืคึผืฆื™ืข ืฆื• ื ื•ืฆืŸ ืื•ืŸ ืฉื˜ื™ืฆืŸ ื“ื™ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ืึธื˜ืึทืžื™ื™ื˜ื™ื“ ืžื›ืฉื™ืจื™ื ื•ื•ืึธืก ื•ื•ืขื˜ ื”ื•ื™ื›ืคึผื•ื ืงื˜ ื˜ืฉื™ืงืึทื•ื•ืข ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืขืก ืคึฟื•ืŸ ื“ื™ ืคื•ื ื˜ ืคื•ืŸ ืžื™ื™ื ื•ื ื’ ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ืžื™ื˜ ื“ื™ ืกื•ื™ื“ / ืกื’ื™ื“ ื‘ื™ื˜ืŸ ืฉื˜ืขืœืŸ. ืื™ืš ื•ื•ืขืœ ืฆื•ืฉื˜ืขืœืŸ ืึท ืจืฉื™ืžื” ืคื•ืŸ ืึทื–ืึท ืžื›ืฉื™ืจื™ื ืื™ืŸ ื“ื™ ืงืึธืจืึทืกืคึผืึทื ื“ื™ื ื’ ืึธืคึผื˜ื™ื™ืœื•ื ื’ ืคื•ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ.

ืฉืจื™ื™ื‘ื˜ืึทื‘ืœืข ืกืงืจื™ืคึผืก ืœื•ื™ืคืŸ ื“ื•ืจืš Cron ืึธื“ืขืจ Init ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื•ื•ืึธืจืฆืœ

Cron ื“ื–ืฉืึธื‘ืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืœื•ื™ืคืŸ ืื•ื ื˜ืขืจ ืคืึทืจืฉื™ื“ืขื ืข ื‘ืึทื ื™ืฆืขืจ ืงืึทื ื˜ืขืงืกืฅ, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื•ื•ืึธืจืฆืœ. ืื•ื™ื‘ ืึท ืงืจืึทืŸ ืึทืจื‘ืขื˜ ืื™ื– ื‘ืึทืฉื˜ื™ืžื˜ ืžื™ื˜ ืึท ืœื™ื ืง ืฆื• ืึท ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืข, ืื•ืŸ ืขืก ืื™ื– ื‘ืืจืขื›ื˜ื™ื’ื˜ ืคึฟืึทืจ ืื™ืจ ืฆื• ืฉืจื™ื™ึทื‘ืŸ, ืขืก ืงืขื ืขืŸ ืœื™ื™ื›ื˜ ื–ื™ื™ืŸ ืจื™ืคึผืœื™ื™ืกื˜ ืžื™ื˜ ืึท ื‘ื™ื™ื–ืข ืื•ืŸ ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’. ืึธื‘ืขืจ, ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, ื˜ืขืงืขืก ืžื™ื˜ Cron ื˜ืึทืกืงืก ื–ืขื ืขืŸ ืœื™ื™ื ืขื•ื•ื“ื™ืง ื“ื•ืจืš ืงื™ื™ืŸ ื‘ืึทื ื™ืฆืขืจ.

ls -la /etc/cron.d  # show cron jobs 

ื“ื™ ืกื™ื˜ื•ืึทืฆื™ืข ืื™ื– ืขื ืœืขืš ืžื™ื˜ ื™ื ื™ื˜. ื“ืขืจ ื—ื™ืœื•ืง ืื™ื– ืึทื– ื˜ืึทืกืงืก ืื™ืŸ Cron ื–ืขื ืขืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืคึผื™ืจื™ืึทื“ื™ืงืœื™, ืื•ืŸ ืื™ืŸ ื™ื ื™ื˜ - ื‘ื™ื™ ืกื™ืกื˜ืขื ืกื˜ืึทืจื˜ืึทืคึผ. ืึธืคึผืขืจืึทืฆื™ืข ื•ื•ืขื˜ ื“ืึทืจืคืŸ ืึท ืกื™ืกื˜ืขื ืจืขื‘ืึธืึธื˜, ืื•ืŸ ืขื˜ืœืขื›ืข ื‘ืึทื“ื™ื ื•ื ื’ืก ืงืขืŸ ื ื™ืฉื˜ ืึธื ื”ื™ื™ื‘ืŸ (ืื•ื™ื‘ ื–ื™ื™ ื–ืขื ืขืŸ ื ื™ืฉื˜ ืจืขื’ื™ืกื˜ืจื™ืจื˜ ืื™ืŸ ืกื˜ืึทืจื˜ืึทืคึผ).

ls -la /etc/init.d/  # show init scripts 

ืื™ืจ ืงืขื ืขืŸ ืื•ื™ืš ื–ื•ื›ืŸ ืคึฟืึทืจ ื˜ืขืงืขืก ื•ื•ืึธืก ื–ืขื ืขืŸ ืจื™ื™ื˜ืึทื‘ืึทืœ ื“ื•ืจืš ืงื™ื™ืŸ ื‘ืึทื ื™ืฆืขืจ.

find / -perm -2 -type f 2>/dev/null # find world writable files

ื“ืขืจ ืื•ืคึฟืŸ ืื™ื– ื’ืึทื ืฅ ื‘ืึทื•ื•ื•ืกื˜, ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ืกื™ืกื˜ืขื ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจืก ื ื•ืฆืŸ ืงืขืจืคืึทืœื™ ื“ื™ chmod ื‘ืึทืคึฟืขืœ. ืึธื‘ืขืจ, ืื•ื™ืฃ ื“ื™ ืื™ื ื˜ืขืจื ืขื˜, ื“ื™ ื•ื•ืึทืกื˜ ืžืขืจื”ื™ื™ึทื˜ ืคื•ืŸ ืžืึทื ื™ื•ืึทืœื– ื‘ืึทืฉืจื™ื™ึทื‘ืŸ ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ืžืึทืงืกื™ืžื•ื ืจืขื›ื˜. ื“ื™ "ืื•ื™ื‘ ื ืึธืจ ืขืก ืึทืจื‘ืขื˜" ืฆื•ื’ืึทื ื’ ืคื•ืŸ ื™ื ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ืกื™ืกื˜ืขื ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจืก ืงืจื™ื™ื™ืฅ ืึทืคึผืขืจื˜ื•ื ืึทื˜ื™ื– ืคึฟืึทืจ ืขืกืงืึทืœื™ืจื•ื ื’ ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื™ืŸ ืคึผืจื™ื ืฆื™ืคึผ. ืื•ื™ื‘ ืžืขื’ืœืขืš, ืขืก ืื™ื– ื‘ืขืกืขืจ ืฆื• ืงื•ืงืŸ ืื™ืŸ ื“ื™ ื‘ืึทืคึฟืขืœ ื’ืขืฉื™ื›ื˜ืข ืคึฟืึทืจ ืึทื ืกื™ื™ืฃ ื ื•ืฆืŸ ืคื•ืŸ chmod.

chmod +w /path 
chmod 777 /path

ื‘ืึทืงื•ืžืขืŸ ืึทืงืกืขืก ืฆื• ืื ื“ืขืจืข ื ื™ืฆืขืจืก

ืžื™ืจ ืงื•ืงืŸ ืื™ืŸ ื“ืขืจ ืจืฉื™ืžื” ืคื•ืŸ ื™ื•ื–ืขืจื– ืื™ืŸ /etc/passwd. ืžื™ืจ ื’ืขื‘ืŸ ื•ืคืžืขืจืงื–ืึทืžืงื™ื™ึทื˜ ืฆื• ื“ื™ ื•ื•ืืก ื”ืึธื‘ืŸ ืึท ืฉืึธืœ. ืื™ืจ ืงืขื ืขืŸ ื‘ืจื•ื˜ ื“ื™ ื™ื•ื–ืขืจื– - ืขืก ืื™ื– ืžืขื’ืœืขืš ืึทื– ื“ื•ืจืš ื“ื™ ืจื™ื–ืึทืœื˜ื™ื ื’ ื‘ืึทื ื™ืฆืขืจ ืขืก ื™ื•ื•ืขื ื˜ืฉืึทื•ื•ืึทืœื™ ื–ื™ื™ืŸ ืžืขื’ืœืขืš ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–.

ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ื–ื™ื›ืขืจื”ื™ื™ื˜, ืื™ืš ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืึทื– ืื™ืจ ืฉื˜ืขื ื“ื™ืง ืึทื“ื›ื™ืจ ืฆื• ื“ืขื ืคึผืจื™ื ืฆื™ืคึผ ืคื•ืŸ ืžื™ื ื“ืกื˜ืขืจ ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข. ืขืก ืื•ื™ืš ืžืื›ื˜ ื–ื™ื ืขืŸ ืฆื• ืคืึทืจื‘ืจืขื ื’ืขืŸ ืฆื™ื™ื˜ ืฆื• ืงืึธื ื˜ืจืึธืœื™ืจืŸ ืึทื ืกื™ื™ืฃ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทื ื– ื•ื•ืึธืก ืงืขืŸ ื‘ืœื™ื™ื‘ืŸ ื ืึธืš ื˜ืจืึธื•ื‘ืœืขืฉืึธืึธื˜ื™ื ื’ - ื“ืึธืก ืื™ื– ื“ื™ "ื˜ืขื›ื ื™ืฉ ืคืœื™ื›ื˜" ืคื•ืŸ ื“ื™ ืกื™ืกื˜ืขื ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ.

ื–ื™ืš-ื’ืขืฉืจื™ื‘ืŸ ืงืึธื“

ืขืก ืื™ื– ื•ื•ืขืจื˜ ืึท ื ืึธืขื ื˜ ืงื•ืง ืื™ืŸ ื“ื™ ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืขืก ืื™ืŸ ื“ื™ ื”ื™ื™ื ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ ืคื•ืŸ ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ืื•ืŸ ื“ื™ ื•ื•ืขื‘ ืกืขืจื•ื•ืขืจ (/var/www/, ืกื™ื™ึทื“ืŸ ืึทื ื“ืขืจืฉ ืกืคึผืขืกื™ืคื™ืขื“). ื“ื™ ื˜ืขืงืขืก ืงืขืŸ ื–ื™ื™ืŸ ืึท ื’ืึธืจ ืึทื ืกื™ื™ืฃ ืœื™ื™ื–ื•ื ื’ ืื•ืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ื’ืœื™ื™ื‘ืŸ ืงืจืึทื˜ืฉื™ื–. ืคื•ืŸ ืงื•ืจืก, ืื•ื™ื‘ ืื™ืจ ื”ืึธื‘ืŸ ืึท ืžื™ืŸ ืคื•ืŸ ืคืจื™ื™ืžื•ื•ืขืจืง ืื™ืŸ ื“ื™ ื•ื•ืขื‘ ืกืขืจื•ื•ืขืจ ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ, ืขืก ืื™ื– ืงื™ื™ืŸ ื–ื™ื ืขืŸ ืฆื• ืงื•ืงืŸ ืคึฟืึทืจ ื ื•ืœ-ื˜ืึธื’ ืื™ืŸ ืขืก ื•ื•ื™ ืึท ื˜ื™ื™ืœ ืคื•ืŸ ืึท ืคึผืขื ื˜ืขืกื˜, ืึธื‘ืขืจ ืขืก ืื™ื– ืจืขืงืึทืžืขื ื“ื™ื“ ืฆื• ื’ืขืคึฟื™ื ืขืŸ ืื•ืŸ ืœืขืจื ืขืŸ ืžื ื”ื’ ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธื ืก, ืคึผืœื•ื’ื™ื ืก ืื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ.

ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ื–ื™ื›ืขืจื”ื™ื™ื˜, ืขืก ืื™ื– ื‘ืขืกืขืจ, ืื•ื™ื‘ ืžืขื’ืœืขืš, ืฆื• ื•ื™ืกืžื™ื™ื“ืŸ ื ื™ืฆืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืื™ืŸ ื–ื™ืš-ื’ืขืฉืจื™ื‘ืŸ ืกืงืจื™ืคึผืก, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ืคึผืึทื˜ืขื ื˜ืฉืึทืœื™ ื’ืขืคืขืจืœืขืš ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™, ืึทื–ืึท ื•ื•ื™ ืœื™ื™ืขื ืขืŸ /etc/shadow ืึธื“ืขืจ ืžืึทื ื™ืคึผื™ืึทืœื™ื™ื˜ื™ื ื’ id_rsa.

ืคืึทืจื’ืจืขืกืขืจืŸ ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื“ื•ืจืš ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–

ืื™ื™ื“ืขืจ ืคึผืจื•ื•ื•ืŸ ืฆื• ืขืกืงืึทืœื™ื™ื˜ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื“ื•ืจืš ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ, ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ืฆื• ืคึฟืึทืจืฉื˜ื™ื™ืŸ ื˜ืจืึทื ืกืคืขืจื™ื ื’ ื˜ืขืงืขืก ืฆื• ื“ื™ ืฆื™ืœ ื‘ืึทืœืขื‘ืึธืก. ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ื™ ื’ืขื•ื•ื™ื™ื ื˜ืœืขืš ืžื›ืฉื™ืจื™ื ื•ื•ื™ ssh, ftp, http (wget, curl) ืขืก ืื™ื– ืึท ื’ืึทื ืฅ "ื–ืึธืึธืœืึธื’ื™ืฉืขืจ ื’ืึธืจื˜ืŸ" ืคื•ืŸ ืคึผืึทืกืึทื‘ื™ืœืึทื˜ื™ื–.

ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ืกื™ืกื˜ืขื ื–ื™ื›ืขืจื”ื™ื™ื˜, ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงืŸ ืขืก ืงืขืกื™ื™ื“ืขืจ ืฆื• ื“ื™ ืœืขืฆื˜ืข ืกื˜ืึทื‘ื™ืœ ื•ื•ืขืจืกื™ืขืก, ืื•ืŸ ืื•ื™ืš ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ื ื•ืฆืŸ ื“ื™ืกื˜ืจื™ื‘ื™ื•ืฉืึทื ื– ื“ื™ื–ื™ื™ื ื“ ืคึฟืึทืจ ืขื ื˜ืขืจืคึผืจื™ื™ื–. ืึทื ื“ืขืจืฉ, ืขืก ืื™ื– ื–ืขืœื˜ืŸ, ืึธื‘ืขืจ ืขืก ื–ืขื ืขืŸ ืกื™ื˜ื•ืึทื˜ื™ืึธื ืก ื•ื•ืขืŸ ื“ื™ ืึทืคึผื’ืจื™ื™ื“ ืคื•ืŸ ื“ื™ ืกื™ืกื˜ืขื ืื™ื– ื™ื ืึทืคึผืขืจืึทื‘ืึทืœ.

ืขืงืกืคึผืœื•ื™ื˜ื™ื ื’ ื‘ืึทื“ื™ื ื•ื ื’ืก ืคืœื™ืกื ื“ื™ืง ืื•ื ื˜ืขืจ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ ืงืึธื ื˜ืขืงืกื˜

ืขื˜ืœืขื›ืข ืœื™ื ื•ืงืก ื‘ืึทื“ื™ื ื•ื ื’ืก ืœื•ื™ืคืŸ ื•ื•ื™ ื•ื•ืึธืจืฆืœ. ื–ื™ื™ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขืคึฟื•ื ืขืŸ ืžื™ื˜ ื“ื™ ื‘ืึทืคึฟืขืœ ps aux | grep ื•ื•ืึธืจืฆืœ. ืื™ืŸ ื“ืขื ืคืึทืœ, ื“ื™ ื“ื™ื ืกื˜ ืงืขืŸ ื ื™ืฉื˜ ื–ื™ื™ืŸ ืึทื“ื•ื•ืขืจื˜ื™ื™ื–ื“ ืื•ื™ืฃ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ ืื•ืŸ ื–ื™ื™ืŸ ื‘ื ื™ืžืฆื ืœืึธื•ืงืึทืœื™. ืื•ื™ื‘ ืขืก ื”ืื˜ ืขืคื ื˜ืœืขืš ืขืงืกืคึผืœื•ื™ืฅ, ื–ื™ื™ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื‘ืขืฉืึธืœืขื ื’ืขื•ื•ื™ื™ื ื˜: ืึท ืกืขืจื•ื•ื™ืก ืงืจืึทืš ืื™ืŸ ืคืึทืœ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ืื™ื– ืคื™ืœ ื•ื•ื™ื™ื ื™ืงืขืจ ืงืจื™ื˜ื™ืฉ ื•ื•ื™ ืึท ืงืจืึทืš ืคื•ืŸ ื“ื™ ืึทืก.

ps -aux | grep root # Linux

ื“ื™ ืžืขืจืกื˜ ืžืฆืœื™ื— ืคืึทืœ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื”ืืœื˜ืŸ ื“ื™ ืึธืคึผืขืจืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ืึท ื›ืึทืงื˜ ื“ื™ื ืกื˜ ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ. ืึธืคึผืขืจืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ SMB ืกืขืจื•ื•ื™ืก ื’ื™ื˜ ืคึผืจื™ื•ื•ืœื™ื“ื–ืฉื“ ืกื™ืกื˜ืขื ืึทืงืกืขืก ืื•ื™ืฃ Windows ืกื™ืกื˜ืขืžืขืŸ (ืœืžืฉืœ ื“ื•ืจืš ms17-010). ืึธื‘ืขืจ, ื“ืึธืก ืื™ื– ื ื™ืฉื˜ ืคึผืจืึธืกื˜ ืื•ื™ืฃ ืœื™ื ื•ืงืก ืกื™ืกื˜ืขืžืขืŸ, ืึทื–ื•ื™ ืื™ืจ ืงืขื ืขืŸ ืคืึทืจื‘ืจืขื ื’ืขืŸ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืฆื™ื™ื˜ ืฆื• ืขืกืงืึทืœื™ื™ื˜ื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–.

ื ื™ืฆืŸ ืœื™ื ื•ืงืก ืงืขืจืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–

ื“ืึธืก ืื™ื– ื“ืขืจ ื•ื•ืขื’ ืื™ืจ ื–ืึธืœ ื ืขืžืขืŸ ืœืขืฆื˜ืข. ื ื™ื˜ ื’ืขืจืึธื˜ืŸ ืึธืคึผืขืจืึทืฆื™ืข ืงืขื ืขืŸ ืคื™ืจืŸ ืฆื• ืึท ืกื™ืกื˜ืขื ืงืจืึทืš, ืื•ืŸ ืื™ืŸ ื“ื™ ื’ืขืฉืขืขื ื™ืฉ ืคื•ืŸ ืึท ืจืขื‘ืึธืึธื˜, ืขื˜ืœืขื›ืข ืกืขืจื•ื•ื™ืกืขืก (ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื“ื™ ื“ื•ืจืš ื•ื•ืึธืก ื“ื™ ืึธืจื™ื’ื™ื ืขืœ ืฉืึธืœ ืื™ื– ื‘ืืงื•ืžืขืŸ) ืงืขืŸ ื ื™ืฉื˜ ืึธื ื”ื™ื™ื‘ืŸ. ืขืก ื›ืึทืคึผืึทื ื– ืึทื– ื“ืขืจ ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจ ืคืฉื•ื˜ ืคืืจื’ืขืกืŸ ืฆื• ื ื•ืฆืŸ ื“ื™ systemctl enable ื‘ืึทืคึฟืขืœ. ืคึผืœื•ืก ืขืก ื•ื•ืขื˜ ืคืึทืจืฉืึทืคืŸ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืื•ืžืฆื•ืคืจื™ื“ื ืงื™ื™ื˜ ืžื™ื˜ ื“ื™ื™ืŸ ืึทืจื‘ืขื˜ ืื•ื™ื‘ ื“ื™ ืึธืคึผืขืจืึทืฆื™ืข ืื™ื– ื ื™ืฉื˜ ืžืกื›ื™ื ืื•ื™ืฃ.
ืื•ื™ื‘ ืื™ืจ ื‘ืึทืฉืœื™ืกืŸ ืฆื• ื ื•ืฆืŸ ื“ื™ ืžืงื•ืจ ืงืึธื•ื“ื– ืคึฟื•ืŸ Exploitdb, ื–ื™ื™ืŸ ื–ื™ื›ืขืจ ืฆื• ืœื™ื™ืขื ืขืŸ ื“ื™ ื‘ืึทืžืขืจืงื•ื ื’ืขืŸ ืื™ืŸ ื“ื™ ืึธื ื”ื™ื™ื‘ ืคื•ืŸ ื“ื™ ืฉืจื™ืคื˜. ืฆื•ื•ื™ืฉืŸ ืื ื“ืขืจืข ื–ืื›ืŸ, ืขืก ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื–ืื’ื˜ ื•ื•ื™ ืฆื• ืจื™ื›ื˜ื™ืง ืฆื•ื ื•ื™ืคื ืขืžืขืŸ ืึท ื’ืขื’ืขื‘ืŸ ืขืงืกืคึผืœื•ื™ื˜. ืื•ื™ื‘ ืื™ืจ ื–ืขื ื˜ ืฆื• ืคื•ื™ืœ ืึธื“ืขืจ ื”ืึธื‘ืŸ ืฆื• ื˜ืึธืŸ ื“ืึธืก "ื ืขื›ื˜ืŸ" ืจืขื›ื˜ ืฆื• ื“ืขื“ืœื™ื™ื ื–, ืื™ืจ ืงืขื ื˜ ื–ื•ื›ืŸ ืจื™ืคึผืึทื–ืึทื˜ืึธืจื™ื– ืžื™ื˜ ืฉื•ื™ืŸ ืงืึทืžืคึผื™ื™ืœื“ ืขืงืกืคึผืœื•ื™ืฅ, ืœืขืžืึธืฉืœ. ืึธื‘ืขืจ, ืื™ืจ ื–ืึธืœ ืคึฟืึทืจืฉื˜ื™ื™ืŸ ืึทื– ืื™ืŸ ื“ืขื ืคืึทืœ ืื™ืจ ื•ื•ืขื˜ ื‘ืึทืงื•ืžืขืŸ ืึท ื—ื–ื™ืจ ืื™ืŸ ืึท ืฉื˜ื•ืจื›ืขืŸ. ืื•ื™ืฃ ื“ื™ ืื ื“ืขืจืข ื–ื™ื™ื˜, ืื•ื™ื‘ ืึท ืคึผืจืึธื’ืจืึทืžื™ืกื˜ ื•ื•ืึธืœื˜ ืคึฟืึทืจืฉื˜ื™ื™ืŸ ื‘ื™ื– ื“ื™ ื‘ื™ื™ื˜ ื•ื•ื™ ืึท ืงืึธืžืคึผื™ื•ื˜ืขืจ ืึทืจื‘ืขื˜ ืื•ืŸ ื“ื™ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ื•ื•ืึธืก ืขืจ ื ื™ืฆื˜, ืขืจ ื•ื•ืึธืœื˜ ื ื™ืฉื˜ ืฉืจื™ื™ึทื‘ืŸ ืึท ืื™ื™ืŸ ืฉื•ืจื” ืคื•ืŸ ืงืึธื“ ืื™ืŸ ื–ื™ื™ืŸ ื’ืึทื ืฅ ืœืขื‘ืŸ.

cat /proc/version
uname -a
searchsploit "Linux Kernel" 

ืžืขื˜ืึทืกืคึผืœืึธื™ื˜

ืื™ืŸ ืกื“ืจ ืฆื• ื›ืึทืคึผืŸ ืื•ืŸ ืฉืขืคึผืŸ ื“ื™ ืงืฉืจ, ืขืก ืื™ื– ืฉื˜ืขื ื“ื™ืง ื‘ืขืกืขืจ ืฆื• ื ื•ืฆืŸ ื“ื™ ื’ื•ื•ื•ืจืข / ืžื•ืœื˜ื™ / ื”ืึทื ื“ืœืขืจ ืžืึธื“ื•ืœืข. ื“ื™ ื”ื•ื™ืคึผื˜ ื–ืึทืš ืื™ื– ืฆื• ืฉื˜ืขืœืŸ ื“ื™ ืจื™ื›ื˜ื™ืง ืคึผื™ื™ืœืึธื•ื“, ืœืžืฉืœ, generic/shell/reverse_tcp ืึธื“ืขืจ generic/shell/bind_tcp. ื“ื™ ืฉืึธืœ ื’ืขืฉืืคืŸ ื“ื•ืจืš Metasploit ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึทืคึผื’ืจื™ื™ื“ื™ื“ ืฆื• Meterpreter ืžื™ื˜ ื“ื™ ืคึผืึธืกื˜/ืžื•ืœื˜ื™/ืžืึทื ืึทื’ืข/ืฉืขืœ_ื˜ืึธ_ืžืขื˜ืขืจืคึผืจืขื˜ืขืจ ืžืึธื“ื•ืœืข. ืžื™ื˜ Meterpreter, ืื™ืจ ืงืขื ืขืŸ ืึธื˜ืึทืžื™ื™ื˜ ื“ื™ ืคึผืึธืกื˜ืŸ-ืขืงืกืคึผืœืึธื™ื˜ืึทื˜ื™ืึธืŸ ืคึผืจืึธืฆืขืก. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื“ื™ ืคึผืึธืกื˜ / ืžื•ืœื˜ื™ / ืจืขืงืึธืŸ / ืœืึธืงืึทืœ_ืขืงืกืคึผืœืึธื™ื˜_ืกื•ื’ืกื˜ืขืจ ืžืึธื“ื•ืœืข ื˜ืฉืขืงืก ื“ื™ ืคึผืœืึทื˜ืคืึธืจืžืข, ืึทืจืงืึทื˜ืขืงื˜ืฉืขืจ ืื•ืŸ ืขื ื˜ื™ื˜ื™ื– ืคืืจืœืื ื’ื˜ ืคึฟืึทืจ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ืื•ืŸ ืกืึทื’ื“ื–ืฉืขืกืฅ ืžืขื˜ืึทืกืคึผืœืึธื™ื˜ ืžืึทื“ื–ืฉื•ืœื– ืฆื• ืขืกืงืึทืœื™ื™ื˜ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื•ื™ืฃ ื“ื™ ืฆื™ืœ ืกื™ืกื˜ืขื. ื“ืึทื ืง ืฆื• Meterpreter, ืขืกืงืึทืœื™ื™ื˜ื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืžืืœ ืงื•ืžื˜ ืึทืจืึธืคึผ ืฆื• ืœืึธื ื˜ืฉื™ื ื’ ื“ื™ ืคืืจืœืื ื’ื˜ ืžืึธื“ื•ืœืข, ืึธื‘ืขืจ ื›ืึทืงื™ื ื’ ืึธืŸ ืคืืจืฉื˜ืื ื“ ื•ื•ืึธืก ืื™ื– ื’ืขืฉืขืขื ื™ืฉ ืื•ื ื˜ืขืจ ื“ื™ ืงืึทืคึผื˜ืขืจ ืื™ื– ื ื™ืฉื˜ "ืืžืช" (ืื™ืจ ื ืึธืš ื”ืึธื‘ืŸ ืฆื• ืฉืจื™ื™ึทื‘ืŸ ืึท ื‘ืึทืจื™ื›ื˜).

ืžื›ืฉื™ืจื™ื

ืžื›ืฉื™ืจื™ื ืคึฟืึทืจ ืึธื˜ืึทืžื™ื™ื˜ื™ื ื’ ื”ื™ื’ืข ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื–ืึทืžืœื•ื ื’ ื•ื•ืขื˜ ืจืึทื˜ืขื•ื•ืขืŸ ืื™ืจ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืžื™ ืื•ืŸ ืฆื™ื™ื˜, ืึธื‘ืขืจ ื“ื•ืจืš ื–ื™ืš ื–ื™ื™ ื–ืขื ืขืŸ ื ื™ืฉื˜ ื‘ื™ื›ื•ืœืช ืฆื• ื’ืึธืจ ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ื“ื™ ื•ื•ืขื’ ืฆื• ืขืกืงืึทืœื™ืจื•ื ื’ ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–, ืกืคึผืขืฆื™ืขืœ ืื™ืŸ ื“ื™ ืคืึทืœ ืคื•ืŸ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ืงืขืจืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–. ืึธื˜ืึทืžื™ื™ืฉืึทืŸ ืžื›ืฉื™ืจื™ื ื•ื•ืขื˜ ื“ื•ืจื›ืคื™ืจืŸ ืึทืœืข ื“ื™ ื ื•ื™ื˜ื™ืง ืงืึทืžืึทื ื“ื– ืคึฟืึทืจ ืื™ืจ ืฆื• ื–ืึทืžืœืขืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ืขื ืกื™ืกื˜ืขื, ืึธื‘ืขืจ ืขืก ืื™ื– ืื•ื™ืš ื•ื•ื™ื›ื˜ื™ืง ืฆื• ืงืขื ืขืŸ ืฆื• ืฆื• ืคื•ื ืึทื ื“ืขืจืงืœื™ื™ึทื‘ืŸ ื‘ืืงื•ืžืขืŸ ื“ืึทื˜ืŸ. ืื™ืš ื”ืึธืคึฟืŸ ืึทื– ืžื™ื™ืŸ ืึทืจื˜ื™ืงืœ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื ื•ืฆื™ืง ืคึฟืึทืจ ืื™ืจ ืื™ืŸ ื“ืขื ืึทื›ื˜ื•ื ื’. ืคื•ืŸ ืงื•ืจืก, ืขืก ื–ืขื ืขืŸ ืคื™ืœืข ืžืขืจ ืžื›ืฉื™ืจื™ื ื•ื•ื™ ืื™ืš ื•ื•ืขืœ ืจืฉื™ืžื” ืื•ื ื˜ืŸ, ืึธื‘ืขืจ ื–ื™ื™ ืึทืœืข ื˜ืึธืŸ ื‘ืขืขืจืขืš ื“ื™ ื–ืขืœื‘ืข ื–ืึทืš - ื“ืึธืก ืื™ื– ื’ืึทื ืฅ ืึท ืขื ื™ืŸ ืคื•ืŸ ื’ืขืฉืžืึทืง.

Linpeas

ื’ืึทื ืฅ ืึท ืคืจื™ืฉ ื˜ื•ืœืึท, ื“ืขืจ ืขืจืฉื˜ืขืจ ื™ื‘ืขืจื’ืขื‘ืŸ ื“ืึทื˜ืขืก ืฆื•ืจื™ืง ืฆื• ื™ืื ื•ืืจ 2019. ืžื™ื™ึทืŸ ื‘ืึทืœื™ื‘ืกื˜ืข ื’ืขืฆื™ื™ึทื’ ืื™ืŸ ื“ืขื ืžืึธืžืขื ื˜. ื“ื™ ืคื•ื ื˜ ืื™ื– ืึทื– ืขืก ื›ื™ื™ืœื™ื™ืฅ ื“ื™ ืžืขืจืกื˜ ื˜ืฉื™ืงืึทื•ื•ืข ื•ื•ืขืงื˜ืึธืจืก ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’. ืฉื˜ื™ืžืขืŸ, ืขืก ืื™ื– ืžืขืจ ื‘ืึทืงื•ื•ืขื ืฆื• ื‘ืึทืงื•ืžืขืŸ ืึทืŸ ืขืงืกืคึผืขืจื˜ ืึทืกืขืกืžืึทื ื˜ ืื•ื™ืฃ ื“ืขื ืžื“ืจื’ื” ื•ื•ื™ ืฆื• ืคึผืึทืจืกื™ืจืŸ ืžืึทื ืึทืœื™ื˜ื™ืง ืจื•ื™ ื“ืึทื˜ืŸ.

LinEnum

ืžื™ื™ึทืŸ ืฆื•ื•ื™ื™ื˜ ื‘ืึทืœื™ื‘ืกื˜ืข ื’ืขืฆื™ื™ึทื’, ืขืก ืื•ื™ืš ืงืึทืœืขืงืฅ ืื•ืŸ ืึธืจื’ืึทื ื™ื–ื™ืจื˜ ื“ืึทื˜ืŸ ื‘ืืงื•ืžืขืŸ ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜ ืคื•ืŸ ื”ื™ื’ืข ื™ื ื•ืžืขืจื™ื™ืฉืึทืŸ.

Linux-exploit-suggester (1,2)

ื“ืขื ื’ื•ื•ื•ืจืข ื•ื•ืขื˜ ืึทื ืึทืœื™ื™ื– ื“ื™ ืกื™ืกื˜ืขื ืคึฟืึทืจ ืคึผืึทืกื™ืง ื’ื•ื•ื•ืจืข ื˜ื ืึธื™ื. ืื™ืŸ ืคืึทืงื˜, ืขืก ื•ื•ืขื˜ ื˜ืึธืŸ ื“ื™ ืึทืจื‘ืขื˜ ื™ื™ื“ืขื ื™ืงืึทืœ ืฆื• ื“ื™ Metasploit ืžืึธื“ื•ืœืข local_exploit_suggester, ืึธื‘ืขืจ ื•ื•ืขื˜ ืคืึธืจืฉืœืึธื’ืŸ ืœื™ื ืงืก ืฆื• ืขืงืกืคึผืœื•ื™ื˜-ื“ื‘ ืžืงื•ืจ ืงืึธื•ื“ื– ืืœื ื•ื•ื™ Metasploit ืžืึทื“ื–ืฉื•ืœื–.

Linuxprivchecker

ื“ืขืจ ืฉืจื™ืคื˜ ื•ื•ืขื˜ ื–ืึทืžืœืขืŸ ืื•ืŸ ืึธืจื’ืึทื ื™ื–ื™ืจืŸ ืึท ื’ืจื•ื™ืก ืกื•ืžืข ืคื•ืŸ โ€‹โ€‹ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื™ืŸ ืกืขืงืฉืึทื ื– ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื ื•ืฆื™ืง ืคึฟืึทืจ ืคืึธืจืžื™ื ื’ ืึท ื•ื•ืขืงื˜ืึธืจ ืคึฟืึทืจ ื™ื ืงืจื™ืกื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–.

ืืŸ ืื ื“ืขืจ ืžืึธืœ ืื™ืš ื•ื•ืขื˜ ื’ื™ื™ืŸ ืื™ืŸ ื“ืขื˜ืึทืœ ื”ื™ื™ืš ืคื•ืŸ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื™ืŸ ืœื™ื ื•ืงืก ืึทืก ื“ื•ืจืš suid / sgid.

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’