Detection rules › Elastic

First Occurrence of Personal Access Token (PAT) Use For a GitHub User

Status
production
Kind
building block (feeds higher-level correlation rules; not a standalone alert)
Severity
low
Time window
9m
Group by
github.hashed_token, user.name
Author
Elastic
Source
github.com/elastic/detection-rules

A new PAT was used for a GitHub user not previously seen in the last 14 days.

MITRE ATT&CK coverage

Rule body elastic

[metadata]
bypass_bbr_timing = true
creation_date = "2023/10/11"
integration = ["github"]
maturity = "production"
updated_date = "2026/03/24"

[rule]
author = ["Elastic"]
building_block_type = "default"
description = "A new PAT was used for a GitHub user not previously seen in the last 14 days.\n"
from = "now-9m"
index = ["logs-github.audit-*"]
language = "kuery"
license = "Elastic License v2"
name = "First Occurrence of Personal Access Token (PAT) Use For a GitHub User"
risk_score = 21
rule_id = "f94e898e-94f1-4545-8923-03e4b2866211"
severity = "low"
tags = [
    "Domain: Cloud",
    "Use Case: Threat Detection",
    "Use Case: UEBA",
    "Tactic: Persistence",
    "Rule Type: BBR",
    "Data Source: Github",
]
timestamp_override = "event.ingested"
type = "new_terms"

query = '''
event.dataset:"github.audit" and event.category:"configuration" and
github.hashed_token:* and user.name:* and
github.programmatic_access_type:("OAuth access token" or "Fine-grained personal access token")
'''


[[rule.threat]]
framework = "MITRE ATT&CK"

[[rule.threat.technique]]
id = "T1098"
name = "Account Manipulation"
reference = "https://attack.mitre.org/techniques/T1098/"

[[rule.threat.technique.subtechnique]]
id = "T1098.001"
name = "Additional Cloud Credentials"
reference = "https://attack.mitre.org/techniques/T1098/001/"

[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"

[[rule.threat]]
framework = "MITRE ATT&CK"

[[rule.threat.technique]]
id = "T1078"
name = "Valid Accounts"
reference = "https://attack.mitre.org/techniques/T1078/"

[[rule.threat.technique.subtechnique]]
id = "T1078.004"
name = "Cloud Accounts"
reference = "https://attack.mitre.org/techniques/T1078/004/"

[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"
[rule.new_terms]
field = "new_terms_fields"
value = ["user.name", "github.hashed_token"]
[[rule.new_terms.history_window_start]]
field = "history_window_start"
value = "now-5d"


Stages and Predicates

Stage 1: new_terms

event.dataset:"github.audit" and event.category:"configuration" and
github.hashed_token:* and user.name:* and
github.programmatic_access_type:("OAuth access token" or "Fine-grained personal access token")
New terms
user.name, github.hashed_token
History since
now-5d

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.

FieldKindValues
event.categoryeq
  • configuration
event.dataseteq
  • github.audit
github.hashed_tokenis_not_null
  • (no value, null check)
github.programmatic_access_typein
  • Fine-grained personal access token
  • OAuth access token
user.nameis_not_null
  • (no value, null check)