zeek/policy/frameworks/signatures/detect-windows-shells.sig
2011-06-01 10:07:53 -04:00

13 lines
476 B
Standard ML

signature windows_reverse_shell {
ip-proto == tcp
tcp-state established,originator
event "ATTACK-RESPONSES Microsoft cmd.exe banner (reverse-shell originator)"
payload /.*Microsoft Windows.*\x28C\x29 Copyright 1985-.*Microsoft Corp/
}
signature windows_shell {
ip-proto == tcp
tcp-state established,responder
event "ATTACK-RESPONSES Microsoft cmd.exe banner (normal-shell responder)"
payload /.*Microsoft Windows.*\x28C\x29 Copyright 1985-.*Microsoft Corp/
}