20.249.5.100
listedPersistentRegularToolkitCampaign member
Case file
First seen on 2026-10-02T15:39:41Z, most recently active on 2026-10-04T18:03:10Z.
Recorded 1115 attack-shaped requests across 3 separate days.
Its traffic fuzzed a short, random filename looking for a forgotten script that responds; it also probed a WordPress admin/content path used to fingerprint the installation or hunt for an exposed upload/plugin surface; it also fuzzed a common filename under /cgi-bin/, looking for a forgotten legacy CGI script.
Seen from 1 of our sensors: nl4-web.
Scored into the "Persistent" level, carrying the badges Regular, Toolkit, Campaign member.
Routed via AS8075 (Microsoft Corporation), an ASN we classify as cloud.
Publicly listed on this board, but not currently blocked on any of our hosts.
Correlated with other addresses sharing the same signature under campaign "46dbd23844f8e4b7".
Enrichment
| rDNS | none |
|---|---|
| ASN | AS8075 — Microsoft Corporation |
| ASN type | cloud |
| Country | South Korea (KR) |
| Flags | none observed |
Timeline
- 2026-10-02266
- 2026-10-03422
- 2026-10-04427
Evidence (newest first, up to 50)
| Time (UTC) | Vantage | Site | Class | Status | Evidence |
|---|---|---|---|---|---|
| 2026-10-04T18:03:05Z – 2026-10-04T18:03:10Z ×10 | nl4-web | schetio.com | 10 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:10 +0300] "GET /gawean.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (10 distinct paths) |
| 2026-10-04T18:03:04Z | nl4-web | schetio.com | requested wp-login.php to check whether this site runs WordPress | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:04 +0300] "GET /css/wp-login.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:04Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:04 +0300] "GET /css/admin.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:02Z – 2026-10-04T18:03:04Z ×6 | nl4-web | schetio.com | 6 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:04 +0300] "GET /config.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (6 distinct paths) |
| 2026-10-04T18:03:02Z | nl4-web | schetio.com | fuzzed a common filename under /cgi-bin/, looking for a forgotten legacy CGI script | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:02 +0300] "GET /cgi-bin/xmrlpc.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:01Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:01 +0300] "GET /cgi-bin/wp-signup.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:01Z | nl4-web | schetio.com | requested wp-login.php to check whether this site runs WordPress | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:01 +0300] "GET /cgi-bin/wp-login.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:01Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:01 +0300] "GET /cgi-bin/sx.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:01Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:01 +0300] "GET /cgi-bin/install.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:00Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:00 +0300] "GET /cgi-bin/iR7SzrsOUEP.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:03:00Z | nl4-web | schetio.com | fuzzed a common filename under /cgi-bin/, looking for a forgotten legacy CGI script | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:00 +0300] "GET /cgi-bin/admin.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:58Z – 2026-10-04T18:03:00Z ×6 | nl4-web | schetio.com | 6 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:03:00 +0300] "GET /cc.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (6 distinct paths) |
| 2026-10-04T18:02:57Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:57 +0300] "GET /assets/fonts/admin.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:55Z – 2026-10-04T18:02:55Z ×2 | nl4-web | schetio.com | 2 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:55 +0300] "GET /allez.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (2 distinct paths) |
| 2026-10-04T18:02:54Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:54 +0300] "GET /admin-footer.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:54Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:54 +0300] "GET /admin-ajax.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:53Z – 2026-10-04T18:02:54Z ×3 | nl4-web | schetio.com | 3 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:54 +0300] "GET /aa.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (3 distinct paths) |
| 2026-10-04T18:02:53Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:53 +0300] "GET /ALFA_DATA/alfacgiapi/shell.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:52Z – 2026-10-04T18:02:52Z ×4 | nl4-web | schetio.com | 4 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:52 +0300] "GET /1975.php HTTP/1.1" 404 16 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" (4 distinct paths) |
| 2026-10-04T18:02:51Z | nl4-web | schetio.com | requested wp-login.php to check whether this site runs WordPress | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:51 +0300] "GET /.tmb/wp-login.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T18:02:51Z | nl4-web | schetio.com | matched a catalogue rule | 404 | 20.249.5.100 - - [04/Oct/2026:21:02:51 +0300] "GET /.tmb/admin.php HTTP/1.1" 404 236 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" |
| 2026-10-04T14:55:40Z – 2026-10-04T14:55:41Z ×4 | nl4-web | zmey.eu | 4 × fuzzed a short, random filename looking for a forgotten script that responds | 404 | 20.249.5.100 - - [04/Oct/2026:17:55:41 +0300] "GET /gfrbb.php HTTP/1.1" 404 16 "-" "-" (4 distinct paths) |
Report history
No abuse report sent for this address yet.
Campaign membership: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36|/2.php,/a.php,/a (3 addresses correlated) — no standalone campaign page yet.
Dispute or removal: [email protected] — reference 20.249.5.100 (mailbox goes live with phase 3). See /threats/about for the method and the 7-day review window.
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