File Server Access Log Analysis
Filtered view showing access to the /files/invoices/ directory on November 15, 2024
Filter Applied: Path contains "/invoices/" | Time range: 09:00-11:00 AM | Sorted by timestamp
INTERNAL DOCUMENT - SERVER ACCESS LOG
Suspicious Activity Summary
| Suspicious IP Address: | 203.0.113.45 |
| Time Period: | 10:01:23 AM - 10:15:47 AM (14 minutes 24 seconds) |
| Files Accessed: | 23 invoice PDF files |
| Total Data Downloaded: | ~18.4 MB |
| User Agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/119.0.0.0 |
| Authentication: | Valid credentials for: sarah.mitchell@technova.example |
Access Log Extract
|
192.168.1.45 |
GET
/files/invoices/ |
200 OK |
User: john.doe@technova.example
|
192.168.1.45 |
GET
/files/invoices/INV-4481.pdf |
200 OK |
User: john.doe@technova.example
|
192.168.1.67 |
GET
/files/invoices/ |
200 OK |
User: admin@technova.example
|
203.0.113.45 |
GET
/files/invoices/ |
200 OK |
User: sarah.mitchell@technova.example
|
203.0.113.45 |
GET
/files/invoices/INV-4471.pdf |
200 OK |
Size: 782KB
|
203.0.113.45 |
GET
/files/invoices/INV-4472.pdf |
200 OK |
Size: 791KB
|
203.0.113.45 |
GET
/files/invoices/INV-4473.pdf |
200 OK |
Size: 798KB
|
203.0.113.45 |
GET
/files/invoices/INV-4474.pdf |
200 OK |
Size: 805KB
|
203.0.113.45 |
GET
/files/invoices/INV-4475.pdf |
200 OK |
Size: 812KB
|
203.0.113.45 |
GET
/files/invoices/INV-4476.pdf |
200 OK |
Size: 799KB
|
203.0.113.45 |
GET
/files/invoices/INV-4477.pdf |
200 OK |
Size: 787KB
|
203.0.113.45 |
GET
/files/invoices/INV-4478.pdf |
200 OK |
Size: 823KB
|
203.0.113.45 |
GET
/files/invoices/INV-4479.pdf |
200 OK |
Size: 795KB
|
203.0.113.45 |
GET
/files/invoices/INV-4480.pdf |
200 OK |
Size: 801KB
... [13 more similar entries] ...
|
203.0.113.45 |
GET
/files/invoices/INV-4492.pdf |
200 OK |
Size: 789KB
|
203.0.113.45 |
GET
/files/invoices/INV-4493.pdf |
200 OK |
Size: 816KB
|
203.0.113.45 |
POST
/logout |
302 REDIRECT |
Session terminated
|
192.168.1.89 |
GET
/files/invoices/ |
200 OK |
User: accounts@technova.example
|
192.168.1.12 |
GET
/files/invoices/INV-4494.pdf |
200 OK |
User: billing@technova.example
IP Address Analysis
| IP Address | Location | ISP | Risk Level |
|---|---|---|---|
| 192.168.1.x | Internal Network | TechNova LAN | Normal |
| 203.0.113.45 | Eastern Europe (VPN) | Anonymous Proxy Service | HIGH RISK |
Attack Pattern Analysis
- Automated Download: Files were accessed at regular ~18-second intervals, suggesting automated script
- Sequential Access: Invoice numbers accessed in order (4471-4493), indicating systematic exfiltration
- No Errors: All requests successful, suggesting valid credentials were used
- Clean Exit: Proper logout performed to avoid suspicion
- Time Gap: 46-minute delay between credential theft (9:12 AM) and data access (10:01 AM)
Affected Customers
The following invoice numbers were compromised and may have been sent to customers with altered payment details:
- INV-4471 - Acme Corp
- INV-4472 - Blue Sky Ltd
- INV-4473 - Crystal Tech
- INV-4474 - Delta Systems
- INV-4475 - Echo Solutions
- INV-4476 - Falcon Industries
- INV-4477 - Green Energy Co
- INV-4478 - Horizon Tech
- INV-4479 - Innovate Plus
- INV-4480 - Jupiter Corp
- INV-4481 - Kappa Systems
- INV-4482 - Lambda Tech
- INV-4483 - Metro Solutions
- INV-4484 - Nova Industries
- INV-4485 - Omega Corp
- INV-4486 - Phoenix Ltd
- INV-4487 - Quantum Tech
- INV-4488 - Rapid Systems
- INV-4489 - Sigma Corp
- INV-4490 - Titan Industries
- INV-4491 - Unity Solutions
- INV-4492 - Vertex Tech
- INV-4493 - Wave Systems