diff --git a/Tactics/Impact.md b/Tactics/Impact.md index bf8369e..859a22a 100644 --- a/Tactics/Impact.md +++ b/Tactics/Impact.md @@ -12,7 +12,7 @@ SrcProcCmdline RegExp "net\s+user(?:(?!\s+/delete)(?:.|\n))*\s+/delete" OR TgtPr ### T1485 Data Destruction Atomics: [T1485](https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1485/T1485.md) -Detection of SDelete (by display name) and execution of DD command on *nix operating systems. +Detection of SDelete (by display name) and execution of DD command on *nix operating systems. Alternatively, DV 3.0 with 4.4 Agents will support `TgtFileDeletionCount > "100"` query for detection of over 100 files deleted, which can be combined with *FileType* for filtering. ``` (AgentOS In ("linux","osx") AND TgtProcName = "dd" AND TgtProcCmdLine ContainsCIS "of=") OR TgtProcDisplayName = "Secure file delete" @@ -21,6 +21,11 @@ Detection of SDelete (by display name) and execution of DD command on *nix opera ### T1490 Inhibit System Recovery Atomics: [T1490](https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1490/T1490.md) +Detects the use of vssadmin, wbadmin, bcdedit and powershell deletion of shadowcopy content and disabling of system recovery. + +``` +TgtProcCmdLine In Contains Anycase ("delete shadows","shadowcopy delete","delete catalog","recoveryenabled no") OR (TgtProcCmdLine ContainsCIS "Win32_ShadowCopy" AND TgtProcCmdLine ContainsCIS "Delete()") OR (SrcProcCmdScript ContainsCIS "Win32_ShadowCopy" AND SrcProcCmdScript ContainsCIS "Delete()") +``` ### T1489 Service Stop Atomics: [T1489](https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1489/T1489.md)