Line Runner uses a ZIP payload that is automatically extracted with its contents, a LUA script, executed for initial execution via CVE-2024-20359.3
tool
Line Runner S1188
- Type
- malware
- Platform
- Network Devices
- Created
- 6 January 2025
- Last modified
- 15 April 2025
Line Runner is a persistent backdoor and web shell allowing threat actors to upload and execute arbitrary Lua scripts. Line Runner is associated with the ArcaneDoor campaign.[1][2]
8
Techniques38th pct
7
Tactics68th pct
0
Threat groupsNone recorded
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1188
Line Runner utilizes HTTP to retrieve and exfiltrate information staged using Line Dancer.4
Line Runner utilizes Lua scripts for command execution.56
Line Runner removes its initial ZIP delivery archive after processing the enclosed LUA script.7
Line Runner utilizes an HTTP-based Lua backdoor on victim machines.89
Line Runner is a persistent Lua-based web shell.10
Standing S1188
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques838th pct
38th percentile · 62% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics768th pct
68th percentile · 68% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat groups061% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaign185% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique14med29th pct
29th percentile · 71% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique0.5med
Detection coverage S1188
168 distinct rules cover the 8 techniques recorded for this tool. The 170 technique-to-rule mappings resolve to 168 distinct rules, because one rule can cover several techniques. 108 Sigma · 60 Splunk.
6 covered by at least one rule2 with no coverage168 distinct rules in total
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