Detection rules › Splunk

BITSadmin Execution (Sysmon)

Group by
_time, host
Source
github.com/anvilogic-forge/armory

BITSAdmin is a command line tool used to create and for managing background intelligent transfer

MITRE ATT&CK coverage

References

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 1: Process creation

Rule body

id: '6149.15955'
title: BITSadmin Execution
description: 'BITSAdmin is a command line tool used to create and for managing background
  intelligent transfer. Living Off the Land Binary and Scripts (LOLBAS) (LOLBIN) Threat
  Actor Association: Andariel, APT31, APT41, BlackMatter, Darkside, FIN12, Flax Typhoon
  Software Association: ALPHV/BlackCat, Astaroth, Clop, MINEBRIDGE, Nefilim, Sodinokibi/REvil,
  Ransom Cartel Atomics T1105 Test#9 Atomics T1197 Test#1 Atomics T1197 Test#2 Atomics
  T1197 Test#3'
logic_format: Splunk
logic: '`get_endpoint_data` `get_endpoint_data_sysmon` (TERM(EventCode=1) OR "<EventID>1<")
  ("bitsadmin" OR "BITS") | table _time, host, user, signature_id, process, process_*,
  parent_* | bin span=1s | stats values(*) as * by _time, host '
techniques:
- persistence:bits jobs
- defense-evasion:bits jobs
- lateral-movement:lateral tool transfer
- command-and-control:ingress tool transfer
- exfiltration:exfiltration over alternative protocol:exfiltration over unencrypted
  non-c2 protocol
technique_id:
- T1197
- T1048.003
- T1570
- T1105
data_category:
- Windows Sysmon
references:
- https://www.fireeye.com/blog/threat-research/2020/03/apt41-initiates-global-intrusion-campaign-using-multiple-exploits.html
- https://www.trendmicro.com/en_us/research/18/c/tropic-trooper-new-strategy.html
- https://www.fireeye.com/blog/threat-research/2018/03/suspected-chinese-espionage-group-targeting-maritime-and-engineering-industries.html

Stages and Predicates

Stage 1: search

`get_endpoint_data` `get_endpoint_data_sysmon` (TERM(EventCode=1) OR "<EventID>1<") ("bitsadmin" OR "BITS")

Stage 2: table

| table _time, host, user, signature_id, process, process_*, parent_*

Stage 3: bucket

| bin span=1s

Stage 4: stats

| stats values(*) as * by _time, host

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
EventCodeeq
  • 1 corpus 241 (splunk 225, kusto 15, elastic 1)
field:"EventID" kind:eq value:"1"

Search terms

These SPL tokens match against raw event text.

StageTerm
1"<EventID>1<"
1"bitsadmin"
1"BITS"