title: Suspicious Commandline Escape author: juju4 date: 2018/12/11 description: Detects suspicious process that use escape characters detection: SELECTION_1: EventID: 1 SELECTION_2: CommandLine: - '*h^t^t^p*' - '*h"t"t"p*' condition: (SELECTION_1 and SELECTION_2) falsepositives: - False positives depend on scripts and administrative tools used in the monitored environment id: f0cdd048-82dc-4f7a-8a7a-b87a52b6d0fd level: low logsource: category: process_creation product: windows modified: 2020/03/14 references: - https://twitter.com/vysecurity/status/885545634958385153 - https://twitter.com/Hexacorn/status/885553465417756673 - https://twitter.com/Hexacorn/status/885570278637678592 - https://www.fireeye.com/blog/threat-research/2017/06/obfuscation-in-the-wild.html - http://www.windowsinspired.com/understanding-the-command-line-string-and-arguments-received-by-a-windows-program/ status: experimental tags: - attack.defense_evasion - attack.t1140 ruletype: SIGMA