Detection rules › Sigma
Suspicious Download From Direct IP Via Bitsadmin
Detects usage of bitsadmin downloading a file using an URL that contains an IP
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1197 BITS Jobs |
| Defense Evasion | T1036.003 Masquerading: Rename Legitimate Utilities, T1197 BITS Jobs |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_img
or:
Image|endswith: '\bitsadmin.exe'
OriginalFileName: bitsadmin.exe
Stage 2: all of selection_flags
or:
CommandLine|contains: ' /addfile '
CommandLine|contains: ' /create '
CommandLine|contains: ' /transfer '
Stage 3: all of selection_extension
or:
CommandLine|contains: '://1'
CommandLine|contains: '://2'
CommandLine|contains: '://3'
CommandLine|contains: '://4'
CommandLine|contains: '://5'
CommandLine|contains: '://6'
CommandLine|contains: '://7'
CommandLine|contains: '://8'
CommandLine|contains: '://9'
Stage 4: not 1 of filter_seven_zip
CommandLine|contains: '://7-'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|