PipeMon can switch to an alternate C2 domain when a particular date has been reached.2
tool
PipeMon S0501
- Type
- malware
- Platform
- Windows
- Created
- 24 August 2020
- Last modified
- 11 April 2024
PipeMon is a multi-stage modular backdoor used by Winnti Group.[1]
23
TechniquesTop 15%
7
Tactics68th pct
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0501
PipeMon can collect and send the local IP address, RDP information, and the network adapter physical address as a part of its C2 beacon.3
PipeMon has stored its encrypted payload in the Registry under HKLM\SOFTWARE\Microsoft\Print\Components\.4
PipeMon modules are stored on disk with seemingly benign names including use of a file extension associated with a popular word processor.6
PipeMon can inject its modules into various processes using reflective DLL loading.7
Standing S0501
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
Techniques23Top 15%
85th percentile · 85% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics768th pct
68th percentile · 68% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat group161% 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.
Campaigns085% 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 / technique10medBottom 15%
15th percentile · 85% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique5med
Detection coverage S0501
645 distinct rules cover the 23 techniques recorded for this tool. The 673 technique-to-rule mappings resolve to 645 distinct rules, because one rule can cover several techniques. 424 Sigma · 221 Splunk.
22 covered by at least one rule1 with no coverage645 distinct rules in total
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