REFERENCEPUBLIC METADATAOct 08, 2026 03:31 UTC

PHP/R57/Backdoor.PHP.R57.a

Publisher repository entry. Git object identifiers identify repository objects; file-content hashes and malware verdicts are not supplied by this listing.

Reference details

Source category: Repository archive references
Reported filename: Backdoor.PHP.R57.a
Size in bytes: 16613
Publisher repository: vxunderground/MalwareSourceCode
Repository path: PHP/R57/Backdoor.PHP.R57.a
Git object identifier: 8f1e728ce50826cf29c2b7cac8dca411ee70c322
Git object hash format: Git blob SHA-1
Git entry mode: 100644
Captured Git tree identifier: 1623926c24245e52378f36a6a8d3bd403166a87d
Source context: PHP/R57/Backdoor.PHP.R57.a
First reported: Not reported
Last reported: Not reported
Catalog updated: Oct 08, 2026 03:31 UTC
Record ID: b1e4365c37abd8ab7caadb5643b4d58ac13ec470311776f208cea1d948762722

Reported filenames

Backdoor.PHP.R57.a

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

No validated file hashes or network indicators are stored for this record.

Source observations

vxug_github_sources

Source-provided label: Not reported
Evidence class: published metadata
Confidence: Not reported
Observed: Not reported
Retrieved: Oct 08, 2026 03:31 UTC

Source filename: Backdoor.PHP.R57.a

Research references

https://github.com/vxunderground/MalwareSourceCode/blob/main/PHP/R57/Backdoor.PHP.R57.a

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 1 paused, 0 unverified.

Review source update dates and status

vxug_github_sourcesCollection pausedLast successful batch: Unverified

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.