lief malware family
lief is a malware family tracked by MalwareAnalyzer by Cyble across 2 publicly analyzed samples. First seen 2026-07-23, most recently 2026-07-24. Observed ATT&CK techniques include T1112.
Corpus statistics
- Publicly analyzed samples: 2
- First seen: 2026-07-23
- Last seen: 2026-07-24
- Verdicts: clean 1, suspicious 1
- File types: pe 2
ATT&CK techniques used by lief
- T1112 - 1 sample
Extracted command-and-control infrastructure
- 5.1.0.0 - 1 sample
- http://ocsp.sectigo.com0 - 1 sample
- http://ocsp.usertrust.com0 - 1 sample
- https://www.chiark.greenend.org.uk/~sgtatham/putty/ host/ :/ 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/ Pageant - 1 sample
Recent lief samples
- 8efe93c999d02af334c90b87c0b4141acaa82171e88141067e13b8fe9ac1d9bf - clean (2026-07-24)
- putty_fresh.exe - suspicious (2026-07-23)
Frequently asked about lief
- What is lief?
- lief is a malware family tracked by MalwareAnalyzer by Cyble across 2 publicly analyzed samples. First seen 2026-07-23, most recently 2026-07-24. Observed ATT&CK techniques include T1112.
- How many lief samples have been analyzed?
- MalwareAnalyzer by Cyble holds 2 publicly analyzed samples attributed to lief, first seen 2026-07-23 and most recently 2026-07-24. This counts public submissions to this platform only, so it is a measure of what we have seen rather than of the family's total prevalence.
- What MITRE ATT&CK techniques does lief use?
- Across our lief samples the most frequently observed techniques are T1112 (1). Counts are the number of analyzed samples in which each technique was observed.
- What file types does lief use?
- lief samples in this corpus are distributed as pe (2).
- Does lief use command-and-control infrastructure?
- Yes. 4 distinct command-and-control indicators have been extracted from lief samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
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